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User Manual - SUNNY CENTRAL 2200

1. SR BIDS We tI Ts Aaa meee DO 0000 0000 0000 0000 0000 0000 0000 0000 ks EE B e e mono Leer Figure 18 Position of protective covers Position Designation A Protective cover User Manual S C1850 2200 US BA Q4 en 1 2 67 9 Periodic Actions SMA Solar Technology America LLC DANGER Danger to life due to applied voltages High voltages are present in the live components of the product Touching live components results in death or serious injury due to electric shock Always disconnect the inverter from the power transmission path and from the control path if no voltage is required for working on the product see Section 5 3 page 42 After switching off the inverter wait at least 15 minutes before opening it to allow the capacitors to discharge completely see Section 5 3 page 42 Wear suitable personal protective equipment of the corresponding hazard risk category for all work when the power transmission path is connected The hazard risk category of the various areas of the inverter are different The areas are identified with warning labels Wear suitable personal protective equipment for all work when the control path is connected Always perform
2. 0000 0000 0000 0000 90000 0000 0000 BIG IE e Te Ts ET 5 Hehe her IT 2 t d Figure 29 Position of the insulation monitoring device Position Designation A Insulation monitoring device The insulation monitoring device is connected between the PV voltage and the grounding conductor If the insulation resistance falls below the threshold specified in the parameter PvGnd RislsoWarnLim warning is generated The measuring circuit closes and the LED ALARM1 on the insulation monitoring device glows The inverter displays the disturbance message 3601 and continues feeding in The orange light repeater at the inverter s control panel flashes If the insulation resistance falls below the threshold specified in the parameter PvGnd RislsoErrLim an insulation error is generated The measuring circuit closes and the LEDs ALARM1 and ALARMQ on the insulation monitoring device glow The inverter displays the disturbance message 3501 and switches to the operating state Error The red light repeater at the inverter s control panel is lit Type of insulation monitoring device used The insulation monitoring device used is the AISOMETER iso PV 1685 device supplied by Bender GmbH
3. Backbone ring Cluster ring Figure 39 Communication network with backbone ring and cluster ring The inverters at the coupling points must each contain two managed switches one switch for the cluster ring in communication network A and one switch for the backbone ring in communication network B These two managed switches have been connected internally ex works with a splice box to which two optical fibers can be connected for each communication network In addition a customer communication system can be connected to terminal LAN 2 Port 4 of the managed switch of the cluster ring User Manual SC1850 2200 US BA Q4 en 1 2 97 10 Function Description SMA Solar Technology America LLC Communication system A B SPLICE BOX SPLICE BOX LAN 2 Port 4 LAN 2 Port 1 LAN 2 Port 2 LAN 2 Port 1 LAN 2 Port 2 MANAGED MANAGED SWITCH SWITCH Copper Optical fiber Cluster Ring Optical fiber Backbone Ring Figure 40 Inverter with two managed switches In order to guarantee the implementation of control commands the network that manages the control should be kept free from applications with a high network load e g webcams Using a separate network is recommended to implement data heavy applications For a stable transmission of Modbus protocols the frequency of the Modbus requests may not exceed 1 100 ms 10 5 3 Communication Network in the Customer Communication System If
4. ened 17 24 17 the ai ang etek ehh been ese 17 18 3 3 1 enaren comete tien sever tiet ende nitet ni Ue enne enu 18 Start Stop Switch z9 T aided m Ricci a e p IR RR RH RU UAR 18 3 3 1 2 FastStop Key Switch 52 ueteri et e eed aep tabe lead edet ee teal eie eus 18 3 3 1 3 Load Break Switch for DC Disconnection Unit 6 1 2 18 3 3 1 4 Load Break Switch for Supply Voltage Q62 seen teettenteetenttenens 19 3 3 1 5 Load Break Switch for AC Switchgear and Precharge Unit Q63 sse 3 3 1 6 Load Break Switch Q64 for Auxiliary Energy Supply 3 3 2 Light Repeaters oe eee tte teret 3 3 2 1 Light repeater at the control sis 3 9 3 ToucliDisplayic ide ae 3 Symbolondhe E Al Designofthe Us r uos ET Oo SEU A2 Explanation of Symone tenir eene 43 AA 4 4 1 Structure of the Analysis Pages 4 4 2 Diagrams on the Analysis Pages 4 4 3 DC Sid c 4 4 4 4 4 5 D
5. No Name Value range Default value 6926 WCllloHz RefMod w w WNom VANom 6928 WCilLoHz Hz1 0 00 Hz to 65 00 Hz 59 96 Hz 6930 WCilLoHz Hz2 0 00 Hz to 65 00 Hz 59 96 Hz 6932 WCilLoHz Hz3 0 00 Hz to 65 00 Hz 0 00 Hz 6934 WCrilLoHz Hz4 0 00 Hz to 65 00 Hz 0 00 Hz 6936 WCtlloHz HzGral 0 00 to 10 00 0 34 6938 WCilLoHz HzGra2 0 00 to 10 00 0 00 6940 WCilLoHz HzGra3 0 00 to 10 00 0 00 6942 WCilLoHz HzStopMin 0 00 Hz to 65 00 Hz 59 96 Hz 6944 WCilLoHz HzStopMax 0 00 Hz to 100 00 Hz 65 00 Hz 6946 WCilLoHz HzStopTm ms to 1 000 000 ms O ms 6948 WCitlLoHz WGraPosEna Oto 1 6950 WCtlLoHz WGraNegEna Oto 1 1 6952 WCrilLoHz WGraPos 0 00 to 10 00 1 00 6954 WCtlLoHz WGraNeg 0 00 to 10 00 1 00 6956 WCilLoHz HzQillntv 0 00 Hz to 1 00 Hz 0 00 Hz 6958 WCtlLoHz CfgMod HzGra HzGra W 6960 WCilLoHz W2 1 00 to 100 00 10 00 6962 WCtlLoHz W3 1 00 to 100 00 10 00 6964 WCtlLoHz WA 1 00 to 100 00 10 00 6989 VCtl OvVolConMod Oto 1 0 6991 VCtl OvVolConLim 0 00 to 2 00 1 20 6993 VCtl OvVolConOpnTm ms to 100 000 ms O ms 6995 VCtl OvVolConClsTm ms to 100 000 ms 500 ms 7024 UtlznHght Custom 1000 m 2000 3000 4000 7048 PvGnd AclsoMonTm 0 1 sto 86 400 0 s 60 0 s 108 5 1850 2200 05 4 12 User Manual SMA Solar Technology America LLC 12 Appendix 12 Appendix 12 1 Measurement accuracy The inverter is not equipped with a calibrated meter The display values may deviate from the actual values and must not be us
6. e HzCtl Lo 1 Lim 160 t ms 60 5 HzCtl Hil Lim HzCtl Hi LimTm pe HzRtg 60 0 HzCtl Lo 1 Lim HzCtl Lo2Lim HzCtl Lo1 LimTm HzCtl Lo2LimTm 160 t ms 57 0 Figure 23 Parameters for monitoring the power frequency in accordance with IEEE 1547 Parameters Explanation Default value HzCtl Hi Lim First threshold for overfrequency 60 5 Hz HzCtl Hi 1LimTm Time lapse for the first threshold for overfrequency 160 ms HzCtl Lo1 Lim First threshold for underfrequency 57 0 Hz HzCtl Lo1 LimTm Time lapse for the first threshold for underfrequency 160 ms 10 2 2 2 Monitoring the Grid Voltage The inverter continuously checks the grid voltage This enables the inverter to disconnect from the utility grid in case or overvoltage or undervoltage If the grid voltage rises above or falls below the configured thresholds the inverter waits for the time defined in the corresponding parameter and disconnects from the utility grid You can set the thresholds and the delay time in the parameters For voltage monitoring you can set five limits for overvoltage and five limits for undervoltage 78 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description Ead VCHLHi5Lim 7 VCH Hi4lim VCIL Hi3Lim VCIl Hi2Lim Lim 1 0 e VCtl OpMinNom VCtl Lo1 Li
7. 2 L Select your login role from the drop down list in the field Login If you want to log in as installer select the field Login in the status info line and select Installer from the drop down list 3 Enter the password in the field Password A Select Login 9 4 Accessing the Parameter Overview 1 If you are not yet logged into the user interface log in as installer 2 In the main navigation select and select Parameter from the drop down list 9 5 Calling Up the Overview for Instantaneous Values 1 If you are not yet logged into the user interface log in 2 In the main navigation select ES 3 Select Instantaneous values in the Analysis menu 9 6 Calling Up the Event Overview 1 If you are not yet logged into the user interface log in as installer 2 In the main navigation select A table opens containing all events that have occurred User Manual C1850 2200 US BA Q4 en 12 71 10 Function Description SMA Solar Technology America LLC 10 Function Description 10 1 Operating States 10 1 1 Overview of the Operating States The inverter cycles through various states during operation RampDown ShutDown WaitAC ConnectAC FA d GridFeed eman i FRT E Selftest Standby Figure 20 General overview of the operating states of the inverter This overview shows the names of the operating states as they are displayed 10 1 2 Stop The inverter is sw
8. bte Peta 76 10 2 2 27 Monitoring the Grid 78 10 2 2 3 Transformer Protection eter tritt e RI ene LH RE HERRERA Ue eb eae Red 81 10 2 2 4 Active Islanding Detection an 82 10 2 2 5 Passive Islanding Detection 10 2 2 6 External Islanding Detection C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC Table of Contents 10 227 Low Temperature Shutdown otim pP e GR HR CR ER ON d 10 2 2 8 Reducing the feed in power when there are high temperatures in the inverter 10 2 3 Grounding and IInsulation Monitoring ecrire tore rte e re ere re leere tege 10 2 3 1 Modeof Operations ierit tiii tiet toe eti E ge REI ve E dee Reed 10 2 3 2 GED etai e e Te i SAU UG ERROR QUERER EEUU 10 2 3 3 Remote ttr tremere bep a ten pd em Rer ib ELE LEY Ie ER epe HEURE 10 234 Insulation Monitoring Device recto eere tete etd tet EORR EI 10 2 3 5 and Insulation Monitoring Device tentent 10 2 4 Oring uren rro ro dp die ER n cbe be bed gt enim Ve E uda td 10 3 1 Power Control in the PV Power Platt 10 3 2 Active Power Limitation 10 3 2 1 Principle of Active Power Limitation 10 3 2 2 Acti
9. 70 40 F 158 F User Manual C1850 2200 US BA Q4 en 12 15 2 Safe SMA Solar Technology America LLC ty gy Damage to electronic components due to electrostatic discharge Electrostatic discharge can damage or destroy electronic components Observe the ESD safety regulations when working on the product Wear suitable personal protective equipment for all work on the product Discharge electrostatic charge by touching grounded enclosure parts or other grounded elements Only then is it safe to touch electronic components 2 3 Personal Protective Equipment i Always wear suitable protective equipment When working on the product always wear the appropriate personal protective equipment for the specific job All clothing should be in accordance with NFPA 7OE Section 130 7 Appropriately insulated gloves for shock protection in accordance with NFPA 7OE Section 130 7 C rated at least 1 000 V shall be worn as required Any other prescribed protective equipment must also be used When carrying out work on live parts of the inverter wear protective equipment of the respective Hazard Risk Category in accordance with NEMA NFPA 70 E table 130 7 C 16 The hazard risk category of the various areas of the inverter are different The areas are identified with warning labels i Personal protective equipment required Appropriate arc flash hazard labels stating the required personal pr
10. pU nad 41 5 9 Disconnectingihe peter eer ee 42 5 3 1 Switching off the Inverter 42 5 3 2 Disconnecting the Inverter from the Power Transmission Path on the AC 42 5 3 3 Disconnecting the Inverter from the Power Transmission Path on the DC 5 43 5 3 4 Disconnecting the Supply Voltage and External Voltages sse 44 54 Switching Oft the MV oN Pen R Ir ER DE bana P EpL ERU 55 Reconnecung the MV eb MUR RUE EL 5 6 Reconnecting ihe VST ase borea ueber UM DECRE HIE pP SO E Re ce runc pU S 5 6 1 Reconnecting the Supply Voltage and External Voltages 5 6 2 Reconnecting ihe DG Side ine te iere in a pite ter ident ret Prage dde 5 6 3 Reconnecting the AC Side seen tette treten tentent tette tren tete 5 6 4 Restarting the Inverter nte tee unie m dre de deba i ar ie te iei ie EUR eise e 48 Gl Safety DL pes o ne C 48 02 localization ol the User iterate i egi atia 48 Gd the language mL 49 OA the System TINB ura a tton IE QE DIAM 49 6 5 Setting the Brightness on the Touch Display nente tnnt tentent 49 6 6 Changing the Pas
11. 10 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 1 5 Typographies Typographies bold 1 Information on this Document Example Display messages Set parameter WGra to 0 2 Elements on a user interface Terminals Slots Elements to be selected Elements to be entered Connects several elements to be selected Select PV system gt Detect Button Key Button or key to be selected or Select Start detection pressed 1 6 Nomenclature Complete designation Sunny Central 2200 US Designation in this document Sunny Central or inverter Sunny Central 1850 US Sunny Central or inverter SMA Solar Technology America LLC SMA SMA Solar Technology Canada Inc SMA User Manual C1850 2200 US BA Q4 en 12 1 2 Safety SMA Solar Technology America LLC 2 Safety 2 1 Intended Use The Sunny Central is a PV inverter which converts the direct current generated in the PV modules into grid compliant alternating current An external MV transformer fitted downstream feeds the generated alternating current into the utility grid The product is designed for outdoor use only The inverter is classified under Class 4C2 as per IEC 60721 3 4 1995 and is suitable for operation in a chemically active environment The enclosure corresponds to UL 1741 Type 3R and can also be operated in rain sleet and snow It is only permitted to use the product in a PV power
12. Display of grouped parameters The parameters are grouped by default under various headings It is possible that certain pa rameters are allocated to several groups User Manual C1850 2200 US BA Q4 en 12 35 A User Interface SMA Solar Technology America LLC Position Explanation D Sorting of the parameters according to their long and short names as designated in this docu ment and by number Sorting takes place by lines the columns always remain in the same order The sort function is not available for the grouped parameters E Parameter overview Depending on the display type selected a list with parameters or the categories of grouped parameters organized in a tree structure will appear For each parameter the short name number set value unit possible configuration range long name and favorite status are displayed You can activate a parameter by clicking on the line If you possess write privileges for the given parameter an input field or drop down list will open In the entry field of an activated parameter the favorite identifier can be activated LJ At the end of the line a star appears by activated parameters By clicking on the star you can mark this parameter to include it in Favorites Once the parameter change is saved a check mark appears in the line This check mark is displayed until the next logout If a parameter change has not been saved a red X appears in the line and an error mes sag
13. All All parameters and settings are exported Selection The specific parameters to be exported can be selected from a list System log files Export of operating system specific data In the first step of the export process an export file is generated from the selected data The export file is written to the internal cache and the size of the generated file is displayed on the user interface In the second step the export file can be downloaded from the internal cache or deleted If you do not delete the file it will be retained in the internal memory and can be used as a backup copy 4 7 4 2 Structure of the Export Page On the page Export the data types that can be exported are displayed Once you have selected the type of file to be exported a page opens in which you can select the file to be exported User Manual C1850 2200 US BA Q4 en 12 37 4 User Interface SMA Solar Technology America LLC 4 7 5 File Manager The saved files from the inverter are listed on the File manager page The following information is shown to you for each file Designation Explanation Source Event information that was saved in the file The following events are possible WEBLOG Log file of the web server SYSLOG LINUX system log file TRANSFER Uploaded files in the internal cache EVENTLOG Protocol of the events that have occurred INVERTERLOG Recorded measuring data LICENSE License file MODBUS Modbus profile of the individual devices UPD
14. Missing active power setpoint The behavior of the inverter in case of failure of the active power setpoint is configured in the parameter GriMng FItFlbWMod Standby The inverter switches to the operating state Standby and discontinues grid feed in e W The inverter feeds in a fixed active power value based on a substitute value The substitute value for active power is configured in parameter WSptFlb Last setpoint The inverter uses the last known setpoint Missing reactive power setpoint The behavior of the inverter in case of failure of the reactive power setpoint is configured in the parameter GriMng FItFlbVArMod Standby The inverter switches to the operating state Standby and discontinues grid feed in e PF inverter feeds with a substitute value for the displacement power factor The substitute value for the displacement power factor is configured in parameter PFSptFlb e VAr The inverter feeds in using a substitute value for a fixed reactive power The substitute value for the displacement power factor is configured in parameter VArSptFlb Last setpoint The inverter uses the last known setpoint 10 4 Grid Management Services 10 4 1 Start Up Behavior 10 4 1 1 Start Up in Normal Operation It can be defined in the WGraMod and VArGraMod parameters whether the inverter gradually ramps up to the set active power and reactive power after a parameter change This means that the inverter increas
15. Inverter with temperature range 25 C to 60 C If the outside temperature falls below 25 the inverter switches to the operating state Stop in order to protect the electronic components As soon as the outside temperature increases to 20 C the inverter will resume feed in operation 82 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description Inverter with temperature range 40 C to 60 C If the temperature in the interior of the inverter falls below 25 C the supplementary heating element is switched on As soon as the temperature in the interior of the inverter increases to 15 C the supplementary heating element is switched off If the outside temperature falls below 40 C the inverter switches to the operating state Stop in order to protect the electronic components As soon as the outside temperature increases to 35 the inverter resumes feed in operation 10 2 2 8 Reducing the feed in power when there are high temperatures in the inverter The temperature inside the inverter is continuously monitored The inverter reduces the feed in power when a fan in the inverter fails and the temperature in the inverter increases Disturbance 7501 7502 or 7503 is displayed The DrtCabTmp instantaneous value displays whether the inverter is reducing the feed in power due to excessive temperature inside the inverter If the temperature in the inverter exceeds the value set in the
16. f 1 1 IVCtl Lo2LimTm 1 1 160 300 1000 2000 t ms Figure 26 Parameters for monitoring the grid voltage in accordance with IEEE 1547 Parameters Explanation Default value Lim First threshold for overvoltage 1 1 LimTm Time lapse for the first threshold for overvoltage 1 000 ms VCtl Hi2Lim Second threshold for overvoltage 1 2 VCtl Hi2LimTm Time lapse for the second threshold for overvoltage 160 ms VCtl Lo 1 Lim First threshold for undervoltage 0 88 80 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description Parameters Explanation Default value VCtl Lo 1 LimTm Time lapse for the first threshold for undervoltage 2 000 ms VCil Lo2Lim Second threshold for undervoltage 0 5 VCtl Lo2LimTm Time lapse for the second threshold for undervoltage 160 ms 10 2 2 3 Transformer Protection Via a plug protective devices of the MV transformer can be connected to the inverter The transformer protection is implemented by individual signal generators If the signal generators are properly connected to the inverter the inverter is switched off in the event of an MV transformer error The transformer protection is usually enabled by means of protective devices with change over contact The inverter provides a 24 V signal This signal can be used to supply the analog sensor and the change over contact The temperatu
17. 6 12 Exporting Files For better management of data and settings you have the following options for exporting different types of information transfer via an FTP program export to an external storage medium SD memory card USB flash drive or export to a file in the local directory of a computer To do this a storage medium must be connected to the communication interface or the computer must be connected to the inverter First the files to be exported must be generated and uploaded to the internal cache In the second step the export file can be exported from the internal cache to the corresponding storage location This enables several files of the same data type to be exported from the cache at the same time After exporting you can delete the exported files from the internal cache Procedure 1 Log into the user interface as an installer see Section 9 3 page 70 In the main navigation select and select Export from the drop down list Select the desired data type for export from the list In order to generate a file for export select Generate new parameter file na R Co N If you want to export parameters and settings select the desired export mode Cloning All parameters and settings are exported with the IP address of the inverter All The parameters and settings are exported without the IP address of the inverter Selection The specific parameters to be exported can be selected from a list 6 Sel
18. 6 7 2 Displaying Measured Values in the Detail Analysis On the page Detail analysis instantaneous value can be displayed in a diagram It is possible to have data with two different units displayed on two Y axes Depending on the selected time period you can select different measured values for display Procedure 1 E O ND Log into the user interface see Section 9 3 page 70 In the main navigation select Select the page Detail analysis Select the desired time period for the display in the upper part of the content area For reasons of better comparison all months are displayed with 31 days Useful hint You can also change the display time period after selection of the instantaneous values for display To select the instantaneous values for the diagram select Select instantaneous values for left Y axis 6 To select the instantaneous values for the left Y axis select the corresponding instantaneous values in the left 50 column of the drop down box To select the instantaneous values for the right Y axis select the corresponding instantaneous values in the right column of the drop down box Useful hint If the same unit is assigned to both axes all instantaneous values with another unit are grayed out Select OK to create the diagram To delete data from the display select the instantaneous value in the legend The corresponding curve will be removed from the diagram To display d
19. If there are several switches between the individual components a closed switch is displayed as soon as at least one of the switches is closed If you select the button of a particular component e g DC side the corresponding analysis page opens see Section 4 4 page 26 Depending on the user role of the person logged in differing information will be displayed in the bottom section of the user interface User Manual SC1850 2200 US BA Q4 en 1 2 25 A User Interface SMA Solar Technology America LLC User view In addition to the instantaneous values relevant to the components of the PV system the AC power of the inverter over the last 24 hours is depicted in a diagram The diagram can be enlarged to full screen view Installer view Apart from the instantaneous values of the PV system components a list of the last eight events is displayed To open the event list select Latest events see Section 4 6 page 33 4 4 Analysis 4 4 1 Structure of the Analysis Pages The Analysis pages consist of an analysis menu and the menu dependent content area Analysis m External devices Events Inverters AC side Utility grid Instantaneous values Detailed analysis Figure 5 Menu of the page Analysis on the user interface The menu items Instantaneous values and Detail analysis are only available to the Installer and will not be visible to the User 4 4 2 Diagrams on the Analysis Pages On the analysis pages
20. Position Description A Overview of the status of the PV array the inverter and the MV transformer as well as the switch positions of the DC and AC sides as detail of the block diagram on the Home page The inverter is highlighted B Display of the energy fed in on the current day the total energy fed in and the operating state of the inverter Display of the current temperature inside the inverter and of the environment D Diagram with instantaneous values for ambient temperature and interior temperature of the inverter 4 4 5 AC Side The content ion the page AC side is subdivided into four sections 28 S C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC A User Interface SMA Sunny Central P Engis 5012 In CHANGES AC side Utility Instantaneous values Block diagram Instantaneous values per line conductor Instantaneous values gt AC voltage current AC active power 559 3 V 153 Phase currents AC reactive power 559 1 V 151 Phase currents AC cos Phi 560 3 V 152 Phase currents AC frequency Temperature ACC DM Month vear 4 26 03 2015 900 0 kW 900 0 Phase currents 800 0 kw 800 0 Phase currents 700 0 kW 700 0 Phase currents 600 0 kw 600 0 Phase currents 500 0 kW A 500 0 Phase currents 400 0 kw ot 400 0 Phase currents 300 0 kw 300 0 Phase currents 200 0 kw 200 0 Phase currents 100 0 kw 100 0 Phase currents 0 0 kw 0 0 Phase currents
21. User Manual SUNNY CENTRAL 1850 US SUNNY CENTRAL 2200 US C1850 2200 US BA Q4 en 12 98 132300 03 Version 1 2 ENGLISH Legal Provisions SMA Solar Technology America LLC Legal Provisions Copyright 2015 SMA Solar Technology America LLC All rights reserved No part of this document may be reproduced stored in a retrieval system or transmitted in any form or by any means be it electronic mechanical photographic magnetic or otherwise without the prior written permission of SMA Solar Technology America LLC Neither SMA Solar Technology America LLC nor SMA Solar Technology Canada Inc makes representations express or implied with respect to this documentation or any of the equipment and or software it may describe including with no limitation any implied warranties of utility merchantability or fitness for any particular purpose All such warranties are expressly disclaimed Neither SMA Solar Technology America LLC nor its distributors or dealers nor SMA Solar Technology Canada Inc nor its distributors or dealers shall be liable for any indirect incidental or consequential damages under any circumstances The exclusion of implied warranties may not apply in all cases under some statutes and thus the above exclusion may not apply Specifications are subject to change without notice Every attempt has been made to make this document complete accurate and up to date Readers are cautioned
22. B Section 5 4 page 45 Section 5 4 page 45 C Section 5 3 2 page 42 Section 5 3 4 page 44 D There is no power transmission path in this Section 5 3 4 page 44 area E Section 5 3 2 page 42 Section 5 3 4 page 44 F Section 5 3 3 page 43 Section 5 3 4 page 44 G Section 5 3 3 page 43 There is no control path in this area H Section 5 4 page 45 Section 5 4 page 45 i Hazard risk category after disconnecting the power transmission path After disconnecting the power transmission path the hazard risk category decreases for the respective area in the inverter The hazard risk category is O after proper disconnection User Manual C1850 2200 US BA Q4 en 12 41 5 Disconnecting and Reconnecting SMA Solar Technology America LLC 5 3 Disconnecting the Inverter 5 3 1 Switching off the Inverter 1 Turn the key switch S1 to Stop 2 Remove the key This will protect the inverter from inadvertent reconnection 5 3 2 Disconnecting the Inverter from the Power Transmission Path on the AC Side Additionally required material not included in the scope of delivery 1 padlock Diameter of the shackle 5 mm to 8 mm 0 2 in to 0 3 in Procedure 1 Make sure that the panels on the inverter are mounted correctly see Section 9 1 1 page 65 Make sure that the protective cover of the AC connection busbars is mounted correctly Switch off the inverter see Section 5 3 1 page 42 Turn the load break switch of the AC disconnection unit
23. Explanation Inverter behavior 7 Troubleshooting Corrective measures 51 52 R 9024 Fast stop tripped by GFDI Re 5min Q Check the fast stop cabling mote GFDI Eliminate error and switch fast stop back on 9025 Fast stop manually tripped atkey 5min Q Eliminate error and switch fast stop back switch 52 on 9026 Fast stop tripped by the external 5min Q Eliminate error and switch fast stop back fast stop on 9027 Fast stop tripped by AC overcur 5min Q Eliminate error and switch fast stop back rent on 9029 Fast stop has tripped 5min Q Eliminate error and switch fast stop back on 9030 Fast stop tripped by redundant 5min Q Eliminate error and switch fast stop back monitoring of the processor assem bly on User Manual C1850 2200 US BA Q4 en 12 63 8 Disposal SMA Solar Technology America LLC 8 Disposal i Proper disassembly and disposal When the inverter has reached the end of its service life it becomes electronic waste Electronic waste contains on the one hand valuable materials which can be recycled as secondary raw materials and on the other substances which are hazardous to the environment Contact your local commercial disposal services for information on optimum material utilization Prior to disassembly perform a visual inspection to ensure that the supporting elements of the inverter are not rusted or unstable 64 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Te
24. enter the IP address of the standard gateway via which the inverter can be accessed Enter the IP address of the DNS server in the parameter Netw Dns SrvlpAdr If you want to use the proxy server for Sunny Portal activate the parameter Netw Proxy SunnyPortalEna If you want to use a proxy authentication activate the parameter Netw Proxy AuthEna Enter the port of the proxy server in the parameter Netw Proxy Port The default setting is 8080 If you would like to use the Modbus protocol activate the box Use Modbus Enter the address of the proxy server in the parameter Netw Proxy Adr DAN AO aA OQO Enter the user names and password of your proxy server in the parameters Netw Proxy Usr and Netw Proxy Pwd 6 14 Registering the Inverter in Sunny Portal Requirement There must be a user created in Sunny Portal The system network must be configured Procedure 1 Call up the parameter overview see Section 9 4 page 71 Enter the name of the system in the parameter Portald PInt Nam Enter the ID number of the system in the parameter Portald Plnt ID Select the connection type in the parameter Portald Upld Mod A Co N To change the e mail address to which messages are to be sent enter the desired address in the parameter Partald Usr Mail To register the system in Sunny Portal select the button Execute action in the parameter Portald Act Rgst Plnt Oo 7 To register the inverte
25. however that product improvements and field usage experience may cause SMA Solar Technology America LLC and or SMA Solar Technology Canada Inc to make changes to these specifications without advance notice or per contract provisions in those cases where a supply agreement requires advance notice SMA shall not be responsible for any damages including indirect incidental or consequential damages caused by reliance on the material presented including but not limited to omissions typographical errors arithmetical errors or listing errors in the content material All trademarks are recognized even if not explicitly identified as such Missing designations do not mean that a product or brand is not a registered trademark The BLUETOOTH word mark and logos are registered trademarks of Bluetooth SIG Inc and any use of such marks by SMA America LLC and SMA Solar Technology Canada Inc is under license Modbus is registered trademark of Schneider Electric and is licensed by Modbus Organization Inc QR Code is a registered trademark of DENSO WAVE INCORPORATED Phillips and Pozidriv are registered trademarks of Phillips Screw Company Torx is a registered trademark of Acument Global Technologies Inc SMA Solar Technology America LLC 6020 West Oaks Blvd Suite 300 Rocklin CA 95765 U S A SMA Solar Technology Canada Inc 2425 Matheson Blvd E 7th Floor Mississauga ON LAW 5 4 Canada 2 C1850 2200 US BA G4 en 12 User Manual SM
26. state via the Modbus protocol 56 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 7 Troubleshooting Operating state Possible causes and remedies WaitAC Check the amplitude of the AC voltage Check the frequency of the AC voltage Check the phase of the AC voltage The entered grid limits in the VCtl xxx or HzCtl xxx parameters were violated and the inverter has disconnected from the utility grid Check the waiting time for the grid reconnection in the WaitGriTm instantaneous value WaitDC Check the DC voltage Standby View the cause for the Standby operating state in the StandbyReas instantaneous value No Standby Reason There is no reason for the Standby operating state SCADA or PPC Modbus The inverter was put into the Standby operating state via the Modbus protocol Low PV Power or Grid Synchronization The created PV power is below the connection power of the inverter or the grid synchronization was not successful Power Monitoring Modul The inverter was put into the Standby operating state due to missing default values for the power regulation and the corresponding configuration in the GriMng ComFltFlbVArMod and GriMng ComFltFlbWMod parameters see Section 10 3 4 page 89 Parameter RemRdy The inverter was put into the Standby operating state via the RemRdy in den parameter Stop External X440 7 The inverter was put into the Standby operating state via th
27. 00 00 02 00 E E E E E 22 00 00 00 Bl VMsTotVA InvMs TotVAr InvMs PF GriMs V PhsAB GrMs V PhsBC GriMs V PhsCA InvMs TotA Phsa InvMs TotA PhsB f InvMs TotA PhsC Serial number 252 ES User Installer Firmware version 1 00 04 Date 27 03 2015 10 26 44 Figure 8 Page AC side of the user interface example Position Description A Overview of the status of the inverter and the MV transformer as well as the switch positions of the AC side as detail of the block diagram on the Home page B Display of the current voltage and electrical current strength on the AC side for each line con ductor Display of the current active power reactive power apparent power and frequency of the utility grid D Diagram with instantaneous values Here you can choose data groups with two physical units from the instantaneous values for voltage and current strength of each line conductor the instantaneous active reactive and apparent power and the power frequency 4 4 6 Utility Grid The content area of the page Utility grid is subdivided into four sections User Manual SC1850 2200 US BA Q4 en 12 29 4 User Interface SMA Solar Technology America LLC ft ENERGY SMAS Central 9 Engish xn x unny Central 3 CHANGES p Block diagram Current setpoints Instantaneous values AN Analysis external devices Events Inverters Utility grid Instantaneous values Setpoint a
28. 1850 US 10 QA 1 02 13 R Sunny Central 1850 05 The production version of the inverter is indicated on the type label The firmware version can be read off from the user interface Illustrations in this document are reduced to the essential and may deviate from the real product 1 2 Target Group The tasks described in this document must only be performed by qualified persons Qualified persons must have the following skills Knowledge of how the product works and is operated Training in how to deal with the dangers and risks associated with installing and using electrical devices and installations Training in the installation and commissioning of electrical devices and installations Knowledge of and adherence to this manual and all safety information Training in dealing with dangers and risks in electrical installations according to 29 CFR Chapter XVII Part 1910 OSHA NEC and NFPA 7OE Training in risk prevention when working with electrical installations 1 3 Additional Information Links to additional information can be found at www SMA Solar com 1 4 Symbols Symbol Explanation Information that is important for a specific topic or goal but is not safety relevant Indicates a requirement for meeting a specific goal Desired result A problem that might occur The description is applicable for use on the touch display The description is applicable for use via Internet access D El
29. B Selection of the displayed time period Day Display of the selected day from 00 00 a m to 11 59 p m e Month Display of the selected month Dates are always displayed from 1 to 31 to avoid any confusion e Year Display of the selected year 32 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 4 User Interface Position Explanation Selecting the period to be displayed You can select the date or the time period either by using the arrow buttons next to the date field or by making a direct entry in the date field Enlarging the diagram to full screen L If you move the mouse pointer over the diagram the detail values of each curve are shown in a legend window As soon as you take the mouse pointer or your finger off the con tent area of the diagram the legend window is hidden Representation of the selected instantaneous values in the diagram You can see which instantaneous value is allocated to which curve by the legend The dis played instantaneous values can be deactivated by clicking the instantaneous values in the legend 4 5 External Devices On the page External devices all connected external devices are shown in a list The IP address SuSYID and device name are displayed for each external device Select an external device to display the corresponding parameters and instantaneous values When this is done the parameters and instantaneous values can be filtered by the
30. DC side Inverter AC side and Utility grid there is a diagram in the bottom half of the content area In the diagrams you can select and display the relevant data Here it is possible to select different display periods In each diagram there are two Y axes available for the representation of the data This enables instantaneous values with two different physical units to be displayed in the same diagram You can allocate any number of instantaneous values with the same physical unit to each of the Y axes In this case the horizontal grid lines in the diagram are always drawn corresponding to the labelling of the two Y axes You can see which instantaneous value is allocated to which curve by the legend LJ If you move the mouse pointer over the diagram the detail values of each curve are shown in a legend window As soon as you take the mouse pointer off the content area of the diagram the legend window is hidden 4 4 3 DC Side The content area of the page DC side is subdivided into four sections 26 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC A User Interface SMA Sunny Central 9 cc 25010 ENERGY THA CHANGES Inverters AC side Utility Instantaneous values Detailed analysis Instantaneous values DC voltage 1023 1 V DC current 471A Insulation resistance 6553 5 kOhm Temperature DCC 14 1 C 2000 0 V TmpCab Dcc ii Serial number 180 8 User Installer Firmwar
31. Events Display of all saved events see Section 4 6 page 33 The events can be filtered Configuration X Configuration options for Instantaneous values see Section 4 4 7 page 30 Parameters see Section 4 7 1 page 34 Import and export of parameters settings and measured values In addition the setup assistant can be used here to carry out the parameter configuration for specific applications in a step by step process Information Important data for identification of the system Contents Area Symbol Designation DC Side WA Inverter MV transformer Utility grid Switch closed Switch open 24 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC A User Interface Symbol Designation Switching status unknown Device running status OK Device is not running fault Device status unknown 43 The Home page gives you a first overview of the status of the system This includes DC side the inverter the AC side and the utility grid SMA Si Central 9 05 aco ENERGY uy Analysis External devices Events DC side Inverters AC side Utility grid DC power 485 kw Today s power 524 56 kWh Active power 474 kw Setpoint active power 2474 kW DC voltage 1030 9 V Yesterday s power E Reactive power 42 kvar Reactive power control 41 kvar Sum of all
32. HzCtl Lo3LimTm O ms to 1 000 000 ms 10 000 ms 489 HzCtl Lo4LimTm O ms to 1 000 000 ms 10 000 ms 490 HzCtl Lo5LimTm O ms to 1 000 000 ms 10 000 ms 491 HzCtl Lo LimTm ms to 1 000 000 ms 10 000 ms 492 0 00 to 2 00 1 30 493 VCtl PkLimTm 1 000 6 494 VCtl Hyst 0 10 to 0 10 0 002 A95 HzCtl DifMax 0 00 Hz to 50 00 Hz 50 00 Hz 496 HzCtl DifMaxTm O ms to 1 000 000 ms 10 000 ms 497 GriErrTm O sto 3 600 30s 512 Mpp PvVolStrGain 0 20 to 1 00 0 80 733 ErrClr True False False 718 Frt Mod Disable Disable Full Partial 645 DrtCabTmp Mod 0 t0 2 1 725 WGraMod Oto 1 1 726 WGra 0 00 to 100 00 0 20 727 VArGraMod Otol 1 728 VArGra 0 00 to 100 00 0 10 6003 WSptMan kW to 2 500 kw 2 000 kW 6004 WSptFlb O kW to 2 500 kW 2 000 kW User Manual C1850 2200 US BA Q4 en 12 103 11 Instantaneous Values and Parameters SMA Solar Technology America LLC No Name Value range Default value 6005 VArSptMan 2 500 kVAr to 2 500 kVAr kVAr 6006 VArSptFlb 2 500 kVAr to 2 500 kVAr kVAr 6007 PFSptMan 1 00 to 1 00 1 00 6008 PFSptFlb 1 00 to 1 00 1 00 6009 GriMng ComFltFlbVArMod Error Error Standby PF PFMeas VAr Last setpoint 6029 PFCHW WRef1 0 00 to 1 00 0 00 6030 PFCHW WRef2 0 00 to 1 00 1 00 6031 PFCIIW WRef3 0 00 to 1 00 1 00 6032 PFCHW WRef4 0 00 to 1 00 1 00 6033 PFCHlW WRef5 0 00 to 1 00 1 00 6034 PFCtlW PFRef 1 1 00 1 00 0 90 60
33. TmpCab Lim parameter the inverter switches off and the fault 6515 is displayed 10 2 3 Grounding and Insulation Monitoring 10 2 3 1 Mode of Operation In grounded PV arrays The ground fault monitoring is implemented by means of a residual current monitoring device If a ground fault occurs the residual currents are detected and interrupted Ground fault on the ungrounded terminal If a ground fault occurs on the ungrounded terminal of the PV array the normally ungrounded terminal of the PV array is grounded non specifically by the ground fault and a residual current flows to the grounded terminal This residual current flows through the ground fault monitoring device e g the GFDI and triggers it Ground fault on the grounded terminal The GFDI is bypassed when a ground fault occurs on the grounded terminal of the PV array A ground fault on the grounded terminal cannot be reliably detected If an undetected ground fault occurs on the grounded terminal this will pose a safety risk A further ground fault occurring on the ungrounded terminal will lead to high residual currents that cannot be interrupted by the ground fault monitoring unit i Residual current monitoring in grounded systems In order to ensure the residual current monitoring function in grounded systems the PV array insulation must be checked at regular intervals It is therefore advisable to use an additional insulation monitoring device in grounded systems This w
34. all work on the product Wear hearing protection 40 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 5 Disconnecting and Reconnecting Risk of burns due to hot components Some components of the product can get very hot during operation Touching these components can cause burns Observe the warnings on all components During operation do not touch any components marked with such warnings After switching off the product wait until any hot components have cooled down sufficiently Wear suitable personal protective equipment for all work on the product 5 2 Disconnecting Procedures Components that are in contact with the voltage of the PV array or with the AC voltage generated by the inverter up to the medium voltage grid are called power transmission path Components that are in contact with supply voltages and control signals are called control path Areas on the inverter D sx F B C G Lr sp d s of b Figure 15 Areas on the inverter Areas on the in Disconnecting the power transmission Disconnecting the control path see Sec verter path see Section tion A Section 5 3 2 page 42 Section 5 3 4 page 44
35. amp Co KG User Manual C1850 2200 US BA G4 en 12 85 10 Function Description SMA Solar Technology America LLC 10 2 3 5 and Insulation Monitoring Device 10 2 4 String Current Monitoring 10 3 Power Control 10 3 1 Power Control in the PV Power Plant The PV power plant supports the stability of the utility grid by controlling the power fed in The inverter can process various specifications for the control Parameters that are entered via the user interface Specifications of the electric utility company that are transmitted per Modbus protocol Output values calculated in the inverter for controlling the inverter Adjusted substitute values for further operation in the event of a communication error Using these values the inverter can calculate setpoints for the active power and the reactive power to be fed in and the inverter can then feed in the appropriate power These values are constantly being compared with the nominal values set in the inverter for active power reactive power and apparent power and limited to them Figure 30 Principle of Power Control In order to meet the requirements of the electric utility company it can be adjusted in the parameter VArDrtPrioMod whether the reduction of the active power or the control of the reactive power should have priority 10 3 2 Active Power Limitation 10 3 2 1 Principle of Active Power Limitation The output value for the active power limitation is calculated
36. fans Clean clogged fan inlets and ventilation plates 6506 Warning temperature ofthe 30s 30 Check the MV transformer transformer is too high 6508 Outside temperature is too high 30s 30s 1 min 6512 Outside temperature is too low 30s 30s 1 min 6515 Temperature inside the inverteris 30s 30s too high Tin 6516 Warning temperature at the sine 5 Q wave filter choke is too high Tmi 6517 Error temperature at the sine wave 305 1 e Contact SMA Service Line filter choke is too high Disconnec tion limit exceeded Inverter stops feed in operation 6605 An internal fast stop has tripped Contact SMA Service Line 7002 Cable break or short circuit atin 30s 30 Check the wiring of the temperature verter temperature sensor sensor 7004 30s 30s Contact SMA Service line 7005 30s 30s 7016 30s 30s User Manual C1850 2200 US BA Q4 en 12 61 7 Troubleshooting Error no Explanation Inverter behavior SMA Solar Technology America LLC Corrective measures rent 1 2 R 7501 Interior fan is defective 30 30 Check function of the fans 7502 30 30s E e Clean the fans e Contact SMA Service Line 7503 Inverter bridge fan is defective 30s 30s 7512 Cable break or short circuitatin 30s 305 Contact SMA Service Line ternal fan 7513 Filter of internal fan is soiled 30s 30s Check function of the fans Cl
37. fast stop is deactivated The terminals of the active fast stop are bridged The fast stop function is thus deactivated The terminals were bridged during production External fast stop is operated with internal or external 24 V supply An external switch break contact is connected to the inverter terminals via the internal supply voltage or the external 24 V supply of the inverter When the switch is closed the relay is activated and the inverter feeds into the grid If the fast stop is tripped the switch opens and the relay is deactivated The inverter is stopped and no longer feeds into the utility grid If the external fast stop is tripped the AC disconnection and the DC switchgear are opened The external fast stop does not result in rapid discharge of the capacitors User Manual C1850 2200 US BA Q4 en 12 75 10 Function Description SMA Solar Technology America LLC i Tripping the fast stop The fast stop should only be tripped in case of imminent danger Tripping of the fast stop does not entail fast discharge of the capacitors If the inverter is to be switched off and properly shut down via an external signal the remote shutdown input is to be used 10 2 1 3 of Operation of the External Standby The inverter comes equipped with an external standby input at terminal X440 5 7 This function lets you switch the inverter to the Standby operating state from a control room for example The AC disconnection unit and the DC sw
38. feed in opera tion The cause of the warning must be remedied An error has occurred in the inverter Feed in operation of the inverter is interrupted The cause of the error must be remedied and the error acknowledged 9 9 o Po Incoming event the cause is still present Going event the cause is no longer present 4 7 4 1 Configuration Options Parameters The Parameter page can only be viewed if you are logged in as an installer On the Parameters page those parameters can be changed which are accessible to the currently logged in user The parameters are displayed in various constellations 34 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC SMA Sunny Central c fe external devices Events All parameters favorites top 50 Favorites 0 0 gt All parameters 455 455 Top 50 49 49 306 GriCod 361 WctlHzMod WCtlHz HzStopMin WCtlHz HzStopMax WCtlHz HzStopTm WGraReconMod VCtl OpMaxNom VCtl OpMinNom HzCtl OpMaxNom HzCtl OpMinNom Serial number 252 Firmware version 1 00 04 R 0 00 Hz 50 05 Hz 0 001667 pu 1 15 pu 0 95 pu 50 05 Hz 49 95 Hz 0 100000 pu 1 05 pu 0 95 pu 50 05 Hz 49 95 Hz 4 Sort parameters by FRT voltage adjustment Frequency dependent active power control in case of overfrequency negative gradient for the active power setpoint activation Freque
39. interface it is possible to display and configure parameters instantaneous values and diagrams Any disturbances which have occurred can be displayed on the user interface and measures for their elimination can be initiated Tapping the symbols on the touch display activates the respective functions The user interface is divided into several areas SMA Sunny Central h Analysis m External devices Events AC side Utility grid DC power 485 kw Today s power 524 56 kWh Active power Setpoint active power DC voltage 1030 9 V Yesterday s power Reactive power Reactive power control Sum of all DC currents 470 Total power 177065 23 kWh Apparent power Power factor Insulation resistance 6553 5 kohm Power frequency Latest events Source 252 252 252 Event Time Login via Web browser IP 10 12 8 53 user level Installer id 78644 27 03 2015 09 43 11 339 Sunny Portal upload successful 27 03 2015 09 24 00 677 Connection test to Sunny Portal successful 27 03 2015 09 16 33 448 252 Sunny Central has been registered in Sunny Portal 27 03 2015 09 14 49 533 Login via Web browser IP 10 22 8 121 user level Service id 76729 27 03 2015 09 11 29 765 General communication status Ok 27 03 2015 08 30 04 861 252 252 252 252 General communication status Fault 27 03 2015 08 30 01 871 Login via Web browser IP 10 22 8 41 user level Service partner id 72534 27 03 2015 08 01 22 231 oocococcoos Serial number 252
40. mail will be sent to the specified e mail address X No test e mail received Check whether the test e mail is in the spam folder Make sure that the network settings of the communication unit are correct Ensure that the settings of the SMTP server are correct 7 3 Displaying Disturbance Messages In the event overview disturbance messages are displayed detailing the events that have occurred Procedure 1 To display all disturbance messages call up the event overview see Section 9 6 page 71 All events will be displayed in chronological order 2 To find warnings and error messages faster select This will filter the events User Manual SC1850 2200 US BA Q4 en 1 2 55 7 Troubleshooting SMA Solar Technology America LLC 7 4 Acknowledging Disturbance Messages 7 4 1 Acknowledging Disturbance Messages via the User Interface i Dealing with disturbances Disturbance messages should only be acknowledged once the underlying causes have been eliminated If the causes of the disturbance have not been eliminated the disturbance will still be detected after acknowledgment and the disturbance message will reappear Procedure 1 Call up the parameter overview see Section 9 4 page 71 2 To acknowledge all current errors set the parameter ErrClr to True for each error one after the other 3 To acknowledge any further error set the parameter ErrClr to True again 4 Adopt changes of the parameter with Save 7 4 2
41. plant which is designed as a closed electrical operating area as per IEC 61936 1 The switching capacity of the AC disconnection unit with steady short circuit current is l 6 4 kA The maximum DC short circuit current is 85 kA The specified minimum clearances must be observed The required fresh air supply must be assured Ensure that no exhaust air of other devices is sucked in The maximum permissible DC input voltage of the inverter must not be exceeded The category of the pollution degree is PD3 An overvoltage test according to IEEE C62 41 2 at a voltage of up to 6 kV was carried out for the inputs in the power transmission path An overvoltage test according to IEEE C37 90 1 at a voltage of up to 2 5 kV was carried out for the inputs in the control path The inverter must only be operated in conjunction with a suitable MV transformer The transformer must be designed for the voltages that arise during the pulsed mode of the inverter Do not switch off or adjust settings that affect grid management services without first obtaining approval from the grid operator Use this product only in accordance with the information provided in the enclosed documentation and with the locally applicable standards and directives Any other application may cause personal injury or property damage Alterations to the product e g changes or modifications are only permitted with the express written permission of SMA Unauthorized alteration
42. product in compliance with the regulations specified in 29 CFR Chapter XVII Part 1910 OSHA NEC and NFPA 70 Do not touch any live components Observe all warning messages on the product and in the documentation Observe all safety information of the module manufacturer The product must not be operated with open covers or doors Danger to life due to electric arc if there are tools inside the product When reconnecting or during operation an electric arc can occur if there are tools in the product creating a conductive connection between the live components This can result in death or serious injury Before commissioning or reconnection verify that no tools are inside the product User Manual C1850 2200 US BA Q4 en 12 69 9 Periodic Actions SMA Solar Technology America LLC Danger of crushing and collision when carelessly working on the product Carelessly working on the product could result in crushing injuries or collisions with edges Wear personal protective equipment for all work on the product Risk of injury when using unsuitable tools Using unsuitable tools can result in injuries Ensure that the tools are suitable for the work to be carried out Wear personal protective equipment for all work on the product Opening hatches 1 Open the hatch locks with a square key wrench Push gently against the hatch and note that the hatches are automatically pushed upwards b
43. product when it is in a flawless technical condition and safe to operate Check the product regularly for visible damage Make sure that all external safety equipment is freely accessible at all times Make sure that all safety equipment is in good working order Wear suitable personal protective equipment of the corresponding hazard risk category for all work when the power transmission path is connected The hazard risk category of the various areas of the inverter are different The areas are identified with warning labels Wear suitable personal protective equipment for all work when the control path is connected Always perform all work on the product in compliance with the regulations specified in 29 CFR Chapter XVII Part 1910 OSHA NEC and NFPA 7OE Danger to life from electric shock if the product is not locked If the product is not locked unauthorized persons will have access to live components carrying lethal voltages Touching live components can result in death or serious injury due to electric shock Always close and lock the product Ensure that no unauthorized person has access to the closed electrical operating area Risk of fire due to failure to observe torque specifications on live bolted connections Failure to follow the specified torques reduces the ampacity of live bolted connections so that the contact resistances increase This can cause components to overheat and catch fire
44. protective equipment for all work when the control path is connected Always perform all work on the product in compliance with the regulations specified in 29 CFR Chapter XVII Part 1910 OSHA NEC and NFPA 7OE Do not touch any live components Observe all warning messages on the product and in the documentation Observe all safety information of the module manufacturer The product must not be operated with open covers or doors Danger to life due to electric arcs if measuring device is not connected correctly If the measurement points are incorrectly contacted this can cause an electric arc Electric arcs can result in death or serious injury Select the appropriate measurement range on the measuring device Wear suitable personal protective equipment for all work on the device Select correct measurement points Danger to life due to electric arc if there are tools inside the product When reconnecting or during operation an electric arc can occur if there are tools in the product creating a conductive connection between the live components This can result in death or serious injury Before commissioning or reconnection verify that no tools are inside the product Hearing impairment due to high frequency noises of the inverter The inverter generates high frequency noises when in operation This can result in hearing impairment Wear personal protective equipment for
45. saved on the computer File imports are performed from a storage medium connected to the communication interface e g a USB flash drive 36 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC A User Interface In the first step of the import function the selected import file is uploaded to the internal cache In the second step the import file can be imported from the internal cache to the given application or deleted from the internal cache If you do not delete the file it will be retained in the internal memory and can be used as a backup copy 4 7 3 2 Structure of the Import Page On the page import the data types that can be imported are displayed Once you have selected the type of file to be imported a page opens in which you can select the file to be imported 4 7 4 Export 4 7 4 1 Export Concept You have the option of exporting various data sets Data type Explanation Picture recordings of the lo Export of the screenshots created on the touch display cal UI Event log files Export of the user role specific events for a selected time period Favorites Export of the list of favorites The settings assigned to the favorites are not exported Modbus profiles Export of Modbus profiles Parameters and settings Export of parameters and their assigned settings Here different formats can be se lected Cloning The parameters and settings are exported without the IP address of the inverter
46. switch is turned to Stop while the inverter is in the GridFeed operating state the inverter switches to the RampDown operating state Once shutdown is complete the AC disconnection unit and the DC switchgear are switched off automatically and the inverter switches to the operating state Stop 3 3 1 2 Fast Stop Key Switch S2 When the key switch is actuated the inverter disconnects from the utility grid in under 100 ms The supply voltage and the optional additional auxiliary power supply remain connected so that the inverter can continue to be accessed i Actuation of the fast stop key switch S2 The faststop key switch S2 should only be tripped in case of imminent danger Tripping of the fast stop does not entail fast discharge of the capacitors If the inverter is to be switched off and properly shut down via an external signal the external start stop function X433 should be used 3 3 1 3 Load Break Switch for DC Disconnection Unit Q61 The load break switch switches the motor drive of the DC switchgears Q21 to Q23 on or off In addition the following devices are switched on or off Switch cabinet heater E1 Heaters for low temperature option E2 to E4 Inverter bridge fans G1 18 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC Switch cabinet fans G10 and G11 3 3 1 4 Load Break Switch for Supply Voltage Q62 3 Product Overview The load break switch switches the supply vo
47. the Auxiliary Energy Supply 1 Turn the optional load break switch of the auxiliary energy supply Q64 to the OFF position Note that the cable to the load break switch is still energized Pull the bracket out of the switch lever Hook a suitable padlock into the bracket and lock it This will ensure that the switch lever cannot reconnect inadvertently Switching Off the Precharge Unit und AC Disconnection Unit I 2 Switch off the inverter see Section 5 3 1 page 42 Turn the load break switch of the AC disconnection unit Q63 to the OFF position Note that the cable to the load break switch is still energized Pull the bracket out of the switch lever Hook a suitable padlock into the bracket and lock it This will ensure that the switch lever cannot reconnect inadvertently Switching off the Fans Heating Elements String Monitoring and DC Switchgear 1 2 Switch off the inverter see Section 5 3 1 page 42 Turn the load break switch of the DC switchgear Q61 the OFF position Note that the cable to the load break switch is still energized 3 Pull the bracket out of the switch lever Hook a suitable padlock into the bracket and lock it This will ensure that the switch lever cannot reconnect inadvertently 5 4 Switching Off the MV Transformer i Connecting and disconnecting the AC voltage Only a duly authorized person trained in electrical safety is allowed to connect and disconnect
48. the ON position 46 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 5 Disconnecting and Reconnecting 5 6 2 Reconnecting the DC Side 5 6 3 Reconnecting the AC Side A DANGER Danger to life due to applied voltages High voltages are present in the live components of the product Touching live components results in death or serious injury due to electric shock Before reconnecting make sure that the panels are mounted see Section 9 1 1 page 65 Before reconnecting make sure that the protective covers are mounted see Section 9 1 2 page 67 Before reconnecting make sure that the hatches are closed see Section 9 2 page 69 Procedure 1 Make sure that the panels of the AC connection are mounted correctly 2 Remove the padlock from the bracket of the load break switch Q63 3 Turn the DC load break switch Q63 to the ON position 5 6 4 Restarting the Inverter DANGER Danger to life due to applied voltages High voltages are present in the live components of the product Touching live components results in death or serious injury due to electric shock Before reconnecting make sure that the panels are mounted see Section 9 1 1 page 65 Before reconnecting make sure that the protective covers are mounted see Section 9 1 2 page 67 Before reconnecting make sure that the hatches are closed see Section 9 2 page 69 Procedure Turn the ke
49. the inverter is in the operating state GridFeed it switches to the operating state FRT and supports the utility grid through dynamic grid support There are two types of grid support Mode Explanation Complete dynamic grid support inverter feeds in reactive current during the grid failure Limited dynamic grid support The inverter interrupts feed in operation during the grid failure If a disturbance occurs in the utility grid while in Q on Demand operation the inverter switches to the operating state FRT and discontinues feeding in Once the grid error is no longer present reactive power is supplied immediately 74 SC1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description 10 2 Safety Functions 10 2 1 Manual Shutdown Functions 10 2 1 1 Overview of Manual Shutdown Functions The inverter can be shut down via various functions As soon as one of the functions is activated the inverter remains in the given mode Only when all functions have been switched to operation can the inverter switch over to feed in operation Function Inverter behavior Key switch After actuating the key switch the inverter switches to the operating state Stop In this case the inverter disconnects from the utility grid opens the AC disconnec tion unit and the DC switchgear and discharges the capacitors Faststop key switch After actuating the key switch of the fast stop the inverter switches
50. 1 00 V 0 90 V 429 Frt LoVolRef3 0 00 V to 1 00 V 0 00 V 430 Frt LoGral 0 00 to 10 00 0 00 43 Frt LoGra2 0 00 to 10 00 2 00 432 Frt LoGra3 0 00 to 10 00 0 00 433 Frt HiVolRef1 1 00 V to 2 00 V 1 00 V 434 Frt HiVolRef2 1 00 V to 2 00 V 1 10 V 435 Frt HiVolRef3 1 00 V to 2 00 V 2 00 V 436 Frt HiGral 0 00 to 10 00 0 00 437 Frt HiGra2 0 00 to 10 00 2 00 438 Frt HiGra3 0 00 to 10 00 0 00 441 Frt AmpDGra 0 0 to 100 0 2 0 444 0 00 to 2 00 1 05 445 0 00 2 00 0 95 446 Lim 0 00 2 00 1 15 447 VCtl Hi2Lim 0 00 to 2 00 1 30 User Manual 5 1850 2200 05 4 12 101 11 Instantaneous Values and Parameters SMA Solar Technology America LLC No Name Value range Default value 448 VCtl Hi3Lim 0 00 to 2 00 2 00 449 VCtl Hi4Lim 0 00 to 2 00 2 00 450 VCil Hi5lim 0 00 to 2 00 2 00 451 LimTm O ms to 1 000 000 ms 1 000 ms 452 VCtl Hi2LimTm ms to 1 000 000 ms 100 ms 453 VCtl Hi3LimTm ms to 1 000 000 ms 10 000 ms 454 VCtl Hi4LimTm ms to 1 000 000 ms 10 000 ms 455 VCtl Hi5 ms to 1 000 000 ms 10 000 ms 456 VCil Lo 1 Lim 0 00 to 2 00 0 80 457 VCtl Lo2Lim 0 00 to 2 00 0 45 458 VCtl Lo3 Lim 0 00 to 2 00 0 00 459 VCil LoALim 0 00 to 2 00 0 00 460 VCtl Lo5 Lim 0 00 to 2 00 0 00 46 VCtl Lo1 LimTm ms to 1 000 000 ms 1 000 ms 462 VCtl Lo2LimTm O ms to 1 000 000 ms 300 ms 46
51. 3 VCtl Lo3LimTm ms to 1 000 000 ms 10 000 ms 464 VCil Lo4LimTm O ms to 1 000 000 ms 10 000 ms 465 VCtl Lo5 LimTm ms to 1 000 000 ms 10 000 ms 466 HzCtl OpMaxNom 45 00 Hz to 65 00 Hz 50 05 Hz 467 45 00 Hz to 65 00 Hz 49 95 Hz 468 Lim 45 00 Hz to 65 00 Hz 51 00 Hz 469 HzCtl Hi2Lim 45 00 Hz to 65 00 Hz 55 00 Hz 470 HzCtl Hi3Lim 45 00 Hz to 65 00 Hz 55 00 Hz 471 HzCtl Hi4Lim 45 00 Hz to 65 00 Hz 55 00 Hz 472 HzCtl Hi5Lim 45 00 Hz to 65 00 Hz 55 00 Hz 473 HzCtl Hi Lim 45 00 Hz to 65 00 Hz 55 00 Hz 474 HzCtl HillimTm O ms to 1 000 000 ms 1 000 ms 475 HzCtl Hi2LimTm ms to 1 000 000 ms 10 000 ms 476 HzCtl Hi3LimTm ms to 1 000 000 ms 10 000 ms 477 HzCtl Hi4LimTm ms to 1 000 000 ms 10 000 ms 478 HzCtl Hi5LimTm ms to 1 000 000 ms 10 000 ms 102 5 1850 2200 05 4 12 User Manual SMA Solar Technology America LLC 11 Instantaneous Values and Parameters No Name Value range Default value 479 HzCtl Hi LimTm O ms to 1 000 000 ms 10 000 ms 480 HzCtl Lo 1 Lim 45 00 Hz to 65 00 Hz 49 00 Hz 481 HzCtl Lo2Lim 45 00 Hz to 65 00 Hz 45 00 Hz 574 HzCtl Lo3Lim 45 00 Hz to 65 00 Hz 45 00 Hz 483 HzCtl LoALim 45 00 Hz to 65 00 Hz 45 00 Hz 484 HzCtl Lo5Lim 45 00 Hz to 65 00 Hz 45 00 Hz 485 HzCtl Lo Lim 45 00 Hz to 65 00 Hz 45 00 Hz 486 HzCtl Lo1LimTm ms to 1 000 000 ms 1 000 ms 487 HzCtl Lo2LimTm O ms to 1 000 000 ms 10 000 ms 488
52. 35 PFCIW PFRef2 1 00 to 1 00 0 90 6036 PFCIIW PFRef3 1 00 to 1 00 1 00 6037 PFCIIW PFRefA 1 00 to 1 00 1 00 6038 PFCIIW PFRef5 1 00 to 1 00 1 00 6040 PFCIIW VolMod Oto 1 0 6041 PFCIIW VolDsaPF 1 00 to 1 00 1 00 6042 PFCHW VolEnaVol 0 00 to 2 00 1 050 6043 PFCHW VolDsaVol 2 1 6044 PFCHW VolEnaTm ms to 1 000 000 ms 1 000 ms 6045 PFCHW VolDsaTm ms to 1 000 000 ms 1 000 ms 6047 VArCilVol VolOfs 10 00 to 10 00 0 00 6048 VArCIlVol LoVolRef 1 HiVolRef1 0 00 to 2 00 1 00 6050 VArCilVol LoVolRef2 0 00 to 2 00 0 92 6051 VArCtlVol LoVolRef3 0 00 to 2 00 0 00 6052 VArCtlVol HiVolRef2 0 00 to 2 00 1 08 6053 VArCIlVol HiVolRef3 0 00 to 2 00 2 00 104 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 11 Instantaneous Values and Parameters No Name Value range Default value 6054 VArCilVol LoGral 0 00 to 100 00 0 00 6055 VArCilVol HiGra 1 0 00 to 100 00 0 00 6056 VArCIlVol LoGra2 0 00 to 100 00 15 00 6057 VArCIlVol HiGra2 0 00 to 100 00 15 00 6058 VArCtlVol LoGra3 0 00 to 100 00 0 00 6059 VArCtlVol HiGra3 0 00 to 100 00 0 00 6060 VArCIlVol VArSptFilTm 0 00 ms to 1 000 00 ms 0 50 ms 6061 VArCtlVol WMod 1 0 6062 VArCtlVol WEnaW 0 00 to 1 00 0 50 6063 VArCtlVol WDsaW 0 00 to 1 00 0 50 6064 VArCtlVol WEnaTm O ms to 1 000 000 ms 1 000 ms 6065 VArCilVol WDsaTm O ms to 1 000 000 ms 1 000 ms 6074 GriMng ComFltTmLim O s to 86 400 s 300 s 6073 GriMng ComFltFl
53. 4 en 1 2 51 6 Operation SMA Solar Technology America LLC 6 11 Importing Files For importing files you have the following options transfer via an FTP program reading from a medium SD memory card USB flash drive connected to the communication interface or reading from a file in the local directory of the computer used The files to be imported must be uploaded to the internal cache In the second step the import file can be imported from the internal cache to the given application This enables several files to be uploaded to the cache before performing the second step The uploaded files can be deleted from the internal cache after importing Procedure 1 Log into the user interface as an installer see Section 9 3 page 70 Select in the main navigation and select Import from the drop down list Select the required data type for import from the list To import a file to the cache select Copy file from external device A Co N If the file can be imported from a connected medium select the desired file from the list The file source is indicated in the first column of the list 6 LJ If the file is to be read from a local directory of the computer used select Browse and then select the desired file in the directory In order to upload the file to the internal cache select the desired file from the list 7 To execute the file in the appropriate application select the desired file from the list
54. 8 User Installer Firmware version 1 00 04 R Date 27 03 2015 09 43 45 Figure 3 Design of the user interface example Internet access Position Designation Explanation A Status info line Settings for language as well as quick navigation and password input Settings for brightness and the time B Main navigation Navigation area The main navigation bar is located on the right mar gin of the user interface LJ The main navigation bar is located on the upper mar gin of the user interface Content area Data overview depending on the selected menu 22 SC1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 4 2 Explanation of Symbols Status info line Symbol Designation ae German v Language selection 4 User Interface Description In addition to the language selection a dialog for lo calization of the user interface is available Brightness setting The brightness settings can only be made on the touch display Time display 24 06 2014 04 40 22 PM The time settings can only be made on the touch dis play ffnen v Navigation aid Each view parameter and instantaneous value is as signed a unique number Using the quick navigation you can enter the desired number The user interface then switches direct to the corresponding page Navigation via these numbers is mainly used for the coor dination of several users working simultaneously on the inverter Using
55. 84 WGilHz W 2 0 00 to 1 00 0 00 6586 WCtlHz W3 0 00 to 1 00 0 00 6588 WCIlHz WA 0 00 to 1 00 0 00 6640 PvGnd RislsoWarnlim 0 1 kO to 6 553 0 kO 50 0 kO 6642 PvGnd RislsoErrlim 0 1 kO to 6 553 0 kO 1 0 kQ 6645 ImpAdpt Mod Oto 1 0 6647 ImpAdpt VARIgMVTrf O kVA to 100 000 kVA 2 200 kVA 6649 ImpAdpt VolNomMVTrf 0 00 to 1 00 0 060 6651 ImpAdpt ImpRisFacMVTrf O to 1 000 5 106 5 1850 2200 05 4 12 User Manual SMA Solar Technology America LLC No Name 6653 ImpAdpt VARtgHVTrf Value range kVA to 1 000 000 kVA 11 Instantaneous Values and Parameters Default value 31 500 kVA 6655 ImpAdpt VolNomHVTrf 0 00 to 1 00 0 161 6657 ImpAdpt ImpRisFacHVTrf O to 10 000 26 6659 ImpAdpt VArTotCapacHV to 1 000 000 0 6661 ImpAdpt Numlnv O to 10 000 1 6672 PFCIW VArSptFilTm 6710 Pld Mod 0 00 ms to 1 000 00 ms Enable Disable 1 00 ms Disable 6817 Cnt Rs Select counter to reset All counter TotWhOut WhOut Watthln TotVArOvExt TotVArUnExt TotOpTm TotFeedTm FanStkTm FanCab1Tm FanCab2Tm HtCabTm HtLoExlTmpTm AcSw DcSw DcSw2 DcSw3 PrChrgSw CapacSw GfdiTr GfdiSw TotWatthln DwnTm UpTm Select counter to re set 6922 WCtlLoHzMod Oto 6924 WCtlLoHz DrglndEna Oto User Manual C1850 2200 US BA Q4 en 12 107 11 Instantaneous Values and Parameters SMA Solar Technology America LLC
56. 9 Light repeater of the insulation moni 30s 1 min toring is defective User Manual C1850 2200 US BA Q4 en 12 59 7 Troubleshooting SMA Solar Technology America LLC Error no Explanation Inverter behavior Corrective measures 1 2 R 3601 Leakage current to ground has oc W e Check the grounding and curred in the PV array or the thresh equipotential bonding old defined n parameter Check the module wiring PvGnd RislsoErrLim has been and system design reached Check parameter PvGnd RislsoErrLim 4003 Reverse currents detected in the PV Q Q Check the PV modules for array or DC connection polarity re short circuits versed Check the module wiring and system design Check the DC terminals for correct polarity Check the functionality of the entire string 7 5 6 Error Numbers 6xx to 9xx Disturbance on the Inverter Error no Explanation Inverter behavior Corrective measures S1 2 R 6013 Calibration data of DC measure 1 Contact SMA Service Line ment cannot be loaded n 6014 Calibration data of DC voltage 1 Contact SMA Service Line measurement cannot be loaded n 6119 Disturbance in internal communica 15 5 Contact SMA Service Line tion of the processor assembly min 6120 Watchdog has tripped min 1 x Contact SMA Service Line 6318 Missing internal connection ofan 30s lmin Contact SMA Service Line assembly 6319 Incorrect in
57. A Solar Technology America LLC Important Safety Information Important Safety Information SAVE THESE INSTRUCTIONS This manual contains important instructions for the following products e SC 2200 US 10 Sunny Central 2200 US SC 1850 US 10 Sunny Central 1850 US This manual must be followed during installation and maintenance The product is designed and tested in accordance with international safety requirements but as with all electrical and electronic equipment certain precautions must be observed when installing and or operating the product To reduce the risk of personal injury and to ensure the safe installation and operation of the product you must carefully read and follow all instructions cautions and warnings in this manual Warnings in this Document A warning describes a hazard to equipment or personnel It calls attention to a procedure or practice which if not correctly performed or adhered to could result in damage to or destruction of part or all of the SMA equipment and or other equipment connected to the SMA equipment or personal injury Description Symbol DANGER indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a hazardous situation which if not avoided could result in death or se rious injury _ ACAUON CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NO
58. ATE Update file FAVORITES List of the saved favorites PARIMEX Imported and exported parameter lists File name Name of the file Date changed Time point of the last change to the file File size Size of the created file You can save or delete individual files When saving you have the possibility to save the files on an external storage medium or to download them onto the computer Deletion is recommended so that the inverter s internal storage will always have enough space for the files to be saved When deleting it is ensured that system relevant files are not deleted 4 7 6 Setup Assistant 4 7 6 1 Concept of the Setup Assistants The setup assistants support the user in performing certain procedures e g commissioning They enable you to make the necessary configurations in a step by step process This ensures that all the parameters required for the given procedure can be set You can choose the required assistant from a list of available setup assistants Once you have chosen the appropriate setup assistant the overview page opens You need to perform each consecutive step given in the setup assistant It is also possible to return to previously executed steps without canceling the entries you have already made On the last page of the setup assistant all entries are again displayed in a summary The entries can only be saved when all steps have been executed It is possible to exit the setup assistant after each step
59. Acknowledging Disturbance Messages via the Start Stop Key Switch S1 i Dealing with disturbances Disturbance messages should only be acknowledged once the underlying causes have been eliminated If the causes of the disturbance have not been eliminated the disturbance will still be detected after acknowledgment and the disturbance message will reappear Procedure Turn the Start Stop key switch S1 to Stop and then back to Start after five seconds 7 5 Remedial Action in Case of Disturbances 7 5 1 Troubleshooting for non feeding of the inverter It can occur under certain circumstances that the inverter does not feed into the utility grid The OpStt instantaneous value displays the current operating state of the inverter see Section 10 1 page 72 Only when all error causes have been corrected can the inverter change back over to feed in operation Operating state Possible causes and remedies Stop View the cause for the Stop operating state in the StopReas instantaneous value No Stop Reason There is no reason for the Stop operating state Key Switch The inverter was switched to the Stop operating state with the S1 start stop key switch Parameter InvOpMod The inverter was put into the Stop operating state via the InvOpMod parameter Stop External X440 3 The inverter was put into the Stop operating state via the external fast stop function SCADA or PPC Modbus The inverter was put into the Stop operating
60. Any entries made up to this point will not be implemented 4 7 6 2 General Setup Assistant In the General Setup Assistant you can enter the system time and the network addresses and make localization settings The overview page of the General Setup Assistant provides a summary of the steps to be performed 1 Time Input of time date and time zone After this step the entries are immediately saved and the inverter operates with the configured time 38 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC A User Interface 2 Name Input of a name for the inverter 3 Localization Definition of display formats for time date thousands separator decimal separator and the first day of the week 4 Network setting LAN 2 Input of the network configuration for the LAN 2 interface and the optional managed switch Note On the LAN 1 the network parameters are permanently set and cannot be configured 5 Network setting LAN 3 Input of the network configuration for the LAN 3 interface 6 Summary Display of all entries made Any fields in which changes have been made are color highlighted Apart from the settings in Step 1 it is possible to change all entries 4 8 Information In the dialog box Information the key data for identification of the inverter is displayed This includes inverter relevant and network relevant information C The license texts of the Open Source Elements used for this product can be dow
61. CAISO US PGE CAISO Custom 310 HzRtg 45 00 Hz to 65 00 Hz 50 00 Hz 709 Aid Mod Enable Disable Disable 318 WhRtg kW to 5 000 kW 2 200 kW 319 VArRtg O kVAr to 5 000 kVAr 1 320 kVAr 323 VARtg kVA to 5 000 kVA 2 200 kVA 730 VADrtPriMod Oto 1 0 331 RemRdy Enabled Enabled Disabled 36 WGilHzMod Oto 1 1 362 WCIlHz DrglndEna Oto 1 1 363 WCIlHz RefMod W W WNom VANom 364 WCiHHz Hz 1 0 00 Hz to 65 00 Hz 50 20 Hz 365 WCIlHz Hz2 0 00 Hz to 65 00 Hz 65 00 Hz 366 WCIlHz Hz3 0 00 Hz to 65 00 Hz 65 00 Hz 708 WCIlHz Hz4 0 00 Hz to 65 00 Hz 65 00 Hz 367 WCIlHz HzGral 0 00 to 10 00 0 40 368 WCIlHz HzGra2 0 00 to 10 00 0 00 100 S C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 11 Instantaneous Values and Parameters No Name Value range Default value 369 WCIlHz HzGra3 0 00 to 10 00 0 00 370 WCtlHz HzStopMin 0 00 Hz to 65 00 Hz 0 00 Hz 371 WCtlHz HzStopMax 0 00 Hz to 65 00 Hz 50 05 Hz 372 WCtlHz HzStopTm O ms to 1 000 000 ms O ms 373 WCtlHz WGraPosEna Oto 1 0 374 WCtlHz WGraNegEna Oto 1 0 375 WCtlHz WGraPos 0 00 to 10 00 1 00 376 WCtlHz WGraNeg 0 00 to 10 00 1 00 377 WCtlHz HzGtllntv 0 00 Hz to 0 10 Hz 0 00 Hz 398 WGraReconMod Oto 1 0 399 WGraRecon 0 00 to 1 00 0 10 424 Frt LoDb 0 00 to 1 00 0 90 425 Frt HiDb 1 00 to 1 50 1 10 426 Frt WaitTm 0 0 sto 20 0 s 0 5 427 Frt LoVolRef1 0 00 V to 1 00 V 1 00 V 428 Frt LoVolRef2 0 00 V to
62. D He Ee em bs 2x um e ele emoj E t Figure 27 Position of the GFDI Position Designation A GFDI 10 2 3 3 Remote GFDI Depending on the order option ground fault monitoring in the inverter may be carried out via ground fault detection and interruption with motor drive in short Remote GFDI This grounds one terminal of the PV array Remote GFDI also enables automatic error processing This reduces downtimes and avoids service calls due to temporary insulation errors such as when condensation occurs on the PV modules Remote GFDI is performed via a high performance K type circuit breaker with an operating current of 5 A The remote GFDI is integrated in the inverter and connected between an input busbar and the grounding busbar A m e e imi o CE D 1 ERN coe E eco re sis One one cmm cm SJ Rs Re He Ie Bey SEEE bova ooo i EI IS in t Figur
63. DC currents 470 Total power 177065 23 kWh Apparent power 475 kVA Power factor 1 0000 Insulation resistance 6553 5 kOhm Power frequency 50 03 Hz Latest events Source Type Category Code Event Time 252 SMGR 98110 Login via Web browser IP 10 12 8 53 user level Installer id 78644 27 03 2015 09 43 11 339 252 PRTL 98152 Sunny Portal upload successful 27 03 2015 09 24 00 677 252 PRTL 98154 Connection test to Sunny Portal successful 27 03 2015 09 16 33 448 252 PRTL 98150 Sunny Central has been registered in Sunny Portal 27 03 2015 09 14 49 533 252 e SMGR 98110 Login via Web browser IP 10 22 8 121 user level Service id 76729 27 03 2015 09 11 29 765 252 sttM 98138 General communication status Ok 27 03 2015 08 30 04 861 252 sttM 98138 General communication status Fault 27 03 2015 08 30 01 871 252 o SMGR 98110 Login via Web browser IP 10 22 8 41 user level Service partner id 72534 27 03 2015 08 01 22 231 Serial number 252 E User Installer Firmware version 1 00 04 R Date 27 03 2015 09 43 45 Figure 4 Page Home of the user interface Each component of the PV system is displayed by a symbol in the block circuit diagram The status of each component of the PV system is indicated by a symbol Under each symbol the key instantaneous values of that system component are displayed The status of the switches between the components of the PV system is indicated by the corresponding switch symbols see Section 4 2 page 23
64. Ensure that live bolted connections are always tightened with the exact torque specified in this document When working on the device use suitable tools only Avoid repeated tightening of live bolted connections as this may result in inadmissibly high torques Danger to life from electric shock when entering the PV field The ground fault monitoring with GFDI Remote GFDI does not provide protection from personal injury when the ground fault monitoring is activated PV modules which are grounded with ground fault monitoring discharge voltage to ground Entering the PV field can result in lethal electric shocks Ensure that the insulation resistance of the PV field exceeds the minimum value The minimum value of the insulation resistance is 550 Before entering the PV field switch the PV modules to insulated operation Configure the PV power plant as a closed electrical operating area 14 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 2 Safety Hearing impairment due to high frequency noises of the inverter The inverter generates high frequency noises when in operation This can result in hearing impairment Wear personal protective equipment for all work on the product Wear hearing protection Risk of burns due to hot components Some components of the product can get very hot during operation Touching these components can cause burns Observe the warnings on all compo
65. FDI light repeater The inverter has detected a ground fault 3 3 3 Touch Display On the touch display you can display and configure parameters instantaneous values diagrams and maintenance intervals via the user interface Any disturbances which have occurred can be displayed on the user interface and measures for their elimination can be initiated The user interface is basically structured in the same way for both touch display and Internet access 3 4 Symbols on the Product The following gives an explanation of all the symbols found on the inverter and on the type label Symbol Designation DC Direct current Explanation Alternating current Protection class All electrical equipment is connected to the grounding conductor sys tem of the product Center of gravity marking 20 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC Symbol Designation Onsetting of the AC dis connection unit Explanation 3 Product Overview Offsetting of the AC dis connection unit User Manual C1850 2200 US BA Q4 en 12 21 A User Interface SMA Solar Technology America LLC 4 User Interface 4 1 Design of the User Interface The user interface can be controlled via the touch display on the inverter or via Internet access The user interface is basically structured in the same way for both touch display and Internet access On the user
66. Modbus protocol Ripple control signals via the analog inputs of the inverter A reactive power value or the displacement power factor can each be transmitted The inverter processes the external setpoints when the intervals between data transmissions are greater than 50 ms The inverter can feed the specified reactive power into the utility grid using a ramp This means that the inverter gradually increases the reactive power by the value set in the VArGra parameter The ramp is activated and deactivated in the VArGraMod parameter At the same time the inverter processes the specifications set up right on the inverter for reactive power control via the parameter GriMng InvVarMod The following specifications can be set via this parameter e Off The inverter does not provide reactive power e VArCIlVol The inverter controls the reactive power as a function of the voltage see Section 10 4 4 page 94 PFCHW The inverter controls the reactive power via the displacement power factor as a function of the active power The inverter control adds up both reactive power setpoints and feeds the sum of the reactive power into the utility grid 10 3 3 2 Reactive Power Control via Parameters The reactive power setpoint is set via the parameter VArSpnMan The parameter VArSpnMan is permitted to be within the range from VArRtg to VArRtg The reactive power setpoint is set via the parameter PFSpnMan Here you need to enter the value of the displa
67. ONI E Ade Men 4 4 7 Instantaneous Values 4 4 8 Detailed Analysis 4 5 Ext trial eese eie ardere iii etre tb bati ees Ip ET VERRE NES IESU MN T 4 7 1 ienna na aive T e b o pene ase 4 7 2 p M 4 7 3 rm modem a AZSA Import Conceptus oues oe dett Rae C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC Table of Contents 7 447 392 Structure Gk the mporn PAGS de 37 4 7 4 EX DOME PU 37 AZAT Concept m 37 474 Structure ot the Export Pageant cott titur 37 4 7 5 File Ip 38 4 7 6 SUCH PPP 38 4 7 6 1 Concept of the Setup 5 tentent nter ttt entree enttent 38 4 76 2 General Setup Assistant sis cnet tiene pre Rd reel re 38 E ain 39 Disconmechng and Reconmechnges 40 5 1 Safety When Disconnecting and Reconnecting Voltage Sources eee 40 5 2 Diconnecing
68. TICE NOTICE is used to address practices not related to personal injury Warnings on this Product The following symbols are used as product markings with the following meanings Beware of dangerous voltage The product operates at high voltages All work on the product must only be performed as de scribed in the documentation of the product Electric arc hazards The product has large electrical potential differences between its conductors Arc flashes can occur through air when high voltage current flows Do not work on the product during opera tion A Improper installation of the product may cause a fire Beware of hot surface The product can get hot during operation Do not touch the product during operation User Manual C1850 2200 US BA Q4 en 12 3 Important Safety Information SMA Solar Technology America LLC Use hearing protection The product generates loud noises When working on the product wear hearing protection Observe the operating instructions 3 Read the documentation of the product before working on it Follow all safety precautions and instructions as described in the documentation 4 C1850 2200 US BA GQ4 en 12 User Manual SMA Solar Technology America LLC General Warnings General Warnings General Warnings All electrical installations must be carried out in accordance with the local standards and the National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 T
69. all work on the product in compliance with the regulations specified in 29 CFR Chapter XVII Part 1910 OSHA NEC and NFPA 7OE Do not touch any live components Observe all warning messages on the product and in the documentation Observe all safety information of the module manufacturer The product must not be operated with open covers or doors Danger to life due to electric arc if there are tools inside the product When reconnecting or during operation an electric arc can occur if there are tools in the product creating a conductive connection between the live components This can result in death or serious injury Before commissioning or reconnection verify that no tools are inside the product Danger of crushing and collision when carelessly working on the product Carelessly working on the product could result in crushing injuries or collisions with edges Wear personal protective equipment for all work on the product Disassembling the protective covers 1 Ensure that no voltage is present 2 Open the clamping brackets 3 Remove the protective cover forwards The clamping brackets remain in the protective cover 68 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 9 Periodic Actions Mounting the protective covers 1 Mount the protective cover to the bracket The clamping brackets must be located over the holes in the bracket 2 Close the clamping
70. alysis J external devices Favorites 0 0 Utility grid All Instantaneous values favorites top 50 All instantaneous values 167 167 Top 50 47 47 320 321 322 332 400 401 402 403 404 Serial number Firmware versi WSpt VArSpt Opstt Brkctistt InvMs TotVA InvMs Totw InvMs TotVAr InvMs PF GriMs V PhsAB GriMs V PhsBC GriMs V PhsCA InvMs TotA PhsA 252 ion 1 00 04 2474 kW Active power gradient activation 42 kvar Reactive power gradient activation 1 0000 Active power dependent reactive power control reference i point 3 OPERATION Open phase detection limitation of the escalation value 0000 0000 0000 0000 0000 0000 Control state of the AC circuit breaker 0001 1001 bits 234 AC current L2 total 231 KW Efficiency total 42 kvar AC current L3 total 0 98 DC voltage of the inverter bridge 2 560 0 V Grid synchronous pulses state 5598V Phase Locked Loop state 560 9 V Direction of the rotating magnetic field Phas ecu 267 5 DC voltage of the inverter bridge 3 8 User Installer Date 27 03 2015 10 33 45 Figure 10 Page Instantaneous values of the user interface example Position A Description Search field for targeted search of instantaneous values The search function refers to the long and short names You can search for the numbers of the instantaneous values in the sta tus info line Display of instanta
71. and of the precharge unit Q63 to the OFF position Pull the brackets out of the switch levers O aA R C DN Hook a suitable padlock into the bracket and lock it This will ensure that the switch lever cannot reconnect inadvertently 7 Disassemble the outer panel of the AC switch module see Section 9 1 1 page 65 8 Verify that the switch state display of the AC disconnection unit is in the OPEN position 9 Mount the outer panel of the AC switch module see Section 9 1 1 page 65 10 Open the hatch see Section 9 2 page 69 11 Remove the protective cover situated above the X9510 terminals see Section 9 1 2 page 67 12 Ensure that no voltage is present on the X9510 terminals 42 SC1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 5 Disconnecting and Reconnecting 5 3 3 Disconnecting the Inverter from the Power Transmission Path on the DC Side For inverters without DC switch in front of the input fuses Select this procedure if the inverter is equipped with one of the following options DC input configuration none busbar DC input configuration 9 fused inputs DC input configuration 12 fused inputs DC input configuration 18 fused inputs e DC input configuration 21 fused inputs DC input configuration 24 fused inputs Additionally required material not included in the scope of delivery 1 padlock Diameter of the shackle 5 mm to 8 mm 0 2 in to 0 3 i
72. ansformer the protective device of the MV transformer sends a signal The inverter switches to operating state Error via the operating state RampDown 10 2 2 4 Active Islanding Detection The islanding detection function detects the formation of stand alone grids and disconnects the inverter from the utility grid Islanding can occur when at the time of utility grid failure the load in the shut down sub grid is roughly equivalent to the current feed in power of the PV power plant With active islanding detection the inverter continuously checks the stability of the utility grid If the utility grid is intact this has no impact on the utility grid Only if a stand alone grid has formed will the inverter disconnect from the utility grid The active islanding detection function is not ULcertified To enable the active islanding detection function contact us see Section 13 Contact page 111 10 2 2 5 Passive Islanding Detection Depending on the order option the inverter may be equipped with passive islanding detection The islanding detection function detects the formation of stand alone grids and disconnects the inverter from the utility grid Islanding can occur when at the time of utility grid failure the load in the shut down sub grid is roughly equivalent to the current feed in power of the PV power plant Unlike active islanding detection with passive islanding detection the utility grid is not actively influenced but si
73. ata with other units select Select instantaneous values for left Y axis again and select the data of the Y axis again The curves will be deleted from the diagram and you can select other data C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 6 Operation 6 8 Search Function 6 8 1 Search based on the ID Number Parameters instantaneous values and the pages of the user interface have unique ID numbers By means of these numbers parameters instantaneous values or pages can be found quickly Procedure 1 Log into the user interface see Section 9 3 page 70 2 Enter the required ID number of the page parameter or instantaneous value in the status info line in the field 6 8 2 Targeted Search It is possible to narrow the search down to obtain faster results when searching for parameters and instantaneous values The search will be carried out in the favorites in the Top 50 and in all parameters and instantaneous values Procedure 1 Call up the parameter overview see Section 9 4 page 71 or Call up the overview of instantaneous values see Section 9 5 page 71 2 In the field Search parameter or Search instantaneous value enter the first signs of the parameter or instantaneous value You can search for long names short names or numbers M As you make your entry in the search field the list of parameters or instantaneous values will be reduced to the matching entries In the tab
74. ation mE 10 5 1 Communication Network in Cluster Ring with One Managed Switch sss 10 5 2 Communication Network in Backbone Ring with Two Managed Switches sss 10 5 3 Communication Network in the Customer Communication System 11 Instantaneous Values and Parameters eese esee te teen tn tn netto to tata Instantaneous Valte MR THE 11 2 Parameters re pt RU EUER t aen eee 12 12 1 Pe HERE HR EE EE EEE E E chess 12 2 Requirement the overall system 12 3 Structure of names for parameters and instantaneous values see 12 4 Information on Dota 12 5 Reaction Speed of ihe Modbus Control Jodie ict n treu bci sss 13 M 111 User Manual SC1850 2200 US BA Q4 en 1 2 9 1 Information on this Document SMA Solar Technology America LLC 1 Information on this Document 1 Validity This document is valid for the following device types Device type Production version Firmware version SC 2200 US 10 QA 1 02 13 R Sunny Central 2200 US SC
75. auga User Manual C1850 2200 US BA Q4 en 12 11 SMA Solar Technology www SMA Solar com
76. bTmLim O s to 86 400 s 3 600 s 6071 GriMng ComFltFlbWMod Error Error Standby W Last setpoint 6078 GriMng W Mod WCtlMan WCtlCom WCIlDig WCtlMan Off 6080 GriMng VArMod VArCtlAnIn VArCtlMan AutoCom VArCtlMan Off 6088 GriMng InvVArMod Off Off VArCIlVol PFCIW 6091 AmpGraMod 1 0 User Manual C1850 2200 US BA Q4 en 12 105 11 Instantaneous Values and Parameters SMA Solar Technology America LLC No Name Value range Default value 6092 AmpRtg O Ato 10 000 A 3 350 6093 0 00 to 100 00 0 20 6095 VolRtg OV to 1 000 V 385 V 6109 Frt VolFilMod Oto 1 1 6204 HzCtl PRCO24Mod Oto 1 0 6205 HzCtl PRCO24 Hi1 Lim 60 00 Hz to 63 00 Hz 60 50 Hz 6207 HzCtl PRCO24 Hi2Lim 60 00 Hz to 63 00 Hz 62 20 Hz 6209 HzCtl PRCO24 Lo 1 Lim 57 00 Hz to 60 00 Hz 59 50 Hz 6211 HzCtl PRCO24 Lo2Lim 57 00 Hz to 60 00 Hz 57 80 Hz 6213 HzCtl PRCO24 GainHi 10 00 Hz to 0 00 Hz 1 46 Hz 6215 HzCtl PRCO24 OfsHi 0 00 Hz to 1 000 00 Hz 91 1132 Hz 6217 HzCtl PRCO24 GainLo 0 00 Hz to 10 00 Hz 1 7373 Hz 6219 HzCtl PRCO24 OfsLo 1 000 00 Hz to 0 00 Hz 100 116 Hz 6310 PvGnd Mod Gfdi Remote Gfdi Gfdi and Bender Remote Gfdi Remote Gfdi and Bender Bender Float Controller and Bender Float Controller Disable 6335 DclVolLim O V to 2 000 V 1 150 V 6582 WCtlHz CfgMod HzGra HzGra W 65
77. be set via the parameter Frt Mod Parameter Description Disable Dynamic grid support is deactivated Full Complete dynamic grid support is activated Partial Limited dynamic grid support is activated The grid limits and deactivation delays vary depending on the country standard and can be set via parameters 10 4 2 2 Complete Dynamic Grid Support The inverter can support the utility grid during a brief grid voltage dip by injecting reactive current If the grid voltage is outside a defined range for a certain time the inverter feeds in reactive current both in case of undervoltage and in case of overvoltage 90 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description LVRT active Normal HVRT active M M LoDb HiDb HiGra2 LoVolRef1 VIN HiVolRef1 HiVolRef2 HiVolRef3 9 Figure 33 Characteristic curve of full dynamic grid support Two ranges each with different gradients can be defined for undervoltage and overvoltage in the characteristic curve Parameters Description Frt LoDb Lower threshold for the voltage band in which dynamic grid support is not required Frt HiDb Upper threshold for the voltage band in which dynamic grid support is not required Frt WaitTm Duration for which grid support is active once grid voltage has returned to the voltage band Frt LoVolRe
78. brackets 9 2 Opening and Closing the Hatches a e _ T o 1 o Kj pa o 1 o D xj pa Figure 19 Overview of the hatches Position Designation A Hatch with gas springs B Door A DANGER Danger to life due to applied voltages High voltages are present in the live components of the product Touching live components results in death or serious injury due to electric shock Always disconnect the inverter from the power transmission path and from the control path if no voltage is required for working on the product see Section 5 3 page 42 After switching off the inverter wait at least 15 minutes before opening it to allow the capacitors to discharge completely see Section 5 3 page 42 Wear suitable personal protective equipment of the corresponding hazard risk category for all work when the power transmission path is connected The hazard risk category of the various areas of the inverter are different The areas are identified with warning labels Wear suitable personal protective equipment for all work when the control path is connected Always perform all work on the
79. ca LLC Procedure 1 In the main navigation select BR W N Log into the user interface see Section 9 3 page 70 Select the page with the desired component Select the desired time period for the display in the lower part of the content area For reasons of better comparison all months are displayed with 31 days Useful hint You can also change the display time period after selection of the instantaneous values for display Lal Select Select data To select instantaneous values for one of the two Y axes select the instantaneous values in the appropriate column of the drop down box Useful hint If the same unit is assigned to both axes all instantaneous values with another unit are grayed out To adopt the selection select Load LJ Select the instantaneous values to be displayed from the instantaneous values below the diagram Data with the same units are automatically assigned to one Y axis and the horizontal gridlines are adjusted to fit the data Select the instantaneous values to be displayed from the list which now appears The instantaneous values can be assigned to the left or right Y axis To delete data from the display select the instantaneous value again The corresponding curve will be removed from the diagram To display data with other units select the data on the left or right Y axis again The curves will be deleted from the diagram and you can select other data
80. cause the inverter to shut down In this case the instantaneous value WaitGriTm indicates the time for which the inverter monitors the utility grid before reconnecting This grid monitoring time can be defined in parameter GdErrTm Error no Explanation Inverter behavior Corrective measures S1 S2 0104 Grid voltage is too high Overvolt 305 305 Check the grid voltage age detected by standard monitor Check grid connections 28 Check stability of the utility 0204 Grid voltage is too low Undervolt 305 30s grid age detected by standard monitor Makes re the external fises ing work properly Make sure the AC cable 0205 One line conductor of the utility grid 30s 30s connections are tight has failed Check the configured grid limits 0502 Power frequency is too low Power 30s 30 Check power frequency frequency disturbance detected by Check the display of the grid standard monitoring monitoring relay 0503 Power frequency is too high Power 30 305 Make sure the fuses in the frequency disturbance detected by load circuit function standard monitoring properly Check the configured grid limits 7 5 5 Error Numbers 34xx to 40xx Disturbance on the PV Array Error no Explanation Inverter behavior Corrective measures S1 S2 3501 The insulation monitoring device has 30 30 min Check the PV array for measured a too low grounding resis ground faults tance 3502 The GFDI has tripped 30 min 30 min 351
81. cement power factor and the type of excitation 88 S C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description 10 3 4 Inverter Behavior in Case of Communication Disturbances In the parameters GriMng WMod and GriMng VArMod you can make the configuration for the inverter to receive the control setpoints via Modbus protocol If these setpoints for active and reactive power control fail the inverter waits for the time set in the parameter GriMng ComFltTmLim after which the failure is classified as a communication error The behavior of the inverter can be individually defined for the failure of active power and reactive power setpoints As long as the inverter does not receive any updated default values it will feed power to the grid according to the settings made for missing active and reactive power setpoints In this case different substitute values can be configured for feed in operation and grid monitoring Once the time set in the parameter GriMng ComFltFlbTmLim has expired the inverter switches to the operating state Standby and discontinues grid feed in If the parameter GriMng ComFltFlbTmLim is set to O and the use of substitute values is configured the inverter will operate permanently using the substitute values and will not switch to the operating state Standby Only when the inverter receives a signal canceling the communication error will the inverter switch back to the operating state GridFeed
82. chnology America LLC 9 Periodic Actions 9 Periodic Actions 9 1 Mounting and Disassembly Work 9 1 1 Disassembling and Mounting the Panels a a A A o 1 o T a o 1 I o a Figure 17 Overview of the panels Position Designation A DANGER Danger to life due to applied voltages High voltages are present in the live components of the product Touching live components results in death or serious injury due to electric shock Always disconnect the inverter from the power transmission path and from the control path if no voltage is required for working on the product see Section 5 3 page 42 After switching off the inverter wait at least 15 minutes before opening it to allow the capacitors to discharge completely see Section 5 3 page 42 Wear suitable personal protective equipment of the corresponding hazard risk category for all work when the power transmission path is connected The hazard risk category of the various areas of the inverter are different The areas are identified with warning labels Wear suitable personal protective equipment for all work when the control path is connected Al
83. cket of the load break switch Q63 Turn the DC load break switch Q63 to the ON position Restart the inverter see Section 5 6 4 page 47 O aA R C 5 6 Reconnecting the Inverter 5 6 1 Reconnecting the Supply Voltage and External Voltages A DANGER Danger to life due to applied voltages High voltages are present in the live components of the product Touching live components results in death or serious injury due to electric shock Before reconnecting make sure that the panels are mounted see Section 9 1 1 page 65 Before reconnecting make sure that the protective covers are mounted see Section 9 1 2 page 67 Before reconnecting make sure that the hatches are closed see Section 9 2 page 69 Switching On the Supply Voltage 1 Remove the padlock from the bracket of the load break switch Q62 2 Turn the DC load break switch Q62 to the ON position Switching On the Auxiliary Energy Supply 1 Remove the padlock from the bracket of the load break switch Q64 2 Turn the DC load break switch Q64 to the ON position Switching On the Precharge Unit and the AC Circuit Breaker 1 Remove the padlock from the bracket of the load break switch Q63 2 Turn the DC load break switch Q63 to the ON position Switching on the Fans Heating Elements String Monitoring and DC Load Break Switch 1 Remove the padlock from the bracket of the load break switch Q61 2 Turn the DC load break switch Q61 to
84. ctive power Active power Setpoint apparent power Reactive power Setpoint cos Phi cos phi Apparent power Ea Month Year 26 03 2015 gt e wow Serial number 252 User Installer Firmware version 1 00 04 R 60 0 Hz 50 0 Hz 40 0 Hz 30 0 Hz 20 0 Hz 10 0 Hz 0 0 Hz 00V 00 00 02 00 E 22 00 00 00 Bc NSpt VArSpt PFSpt TmpTrf GriMs v PhsAB fl GriMs V PhsBC ll GriMs V PhsCA f Date 27 03 2015 10 31 11 Figure 9 Page Utility grid of the user interface example Position Description Overview of the status of the MV transformer and the utility grid as well as the switch posi tions of connections to the utility grid as detail of the block diagram on the Home page B Display of the current setpoints for active and reactive power Display of the current active power reactive power and apparent power D Diagram with instantaneous values Here you can choose data groups with two physical units from the instantaneous values for voltage and current strength of each line conductor the instantaneous active reactive and apparent power and the power frequency 4 4 7 Instantaneous Values The number of available instantaneous values depends on the role for which you are logged in 30 SC1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC A User Interface SMA Sunny Central 2 4 Eno ENERGY i 5014 Inst 29 An
85. ctly configured Ensure that a connection test to Sunny Portal is performed successfully 6 2 Localization of the User Interface You have the option of localizing the user interface so that it differs from the country settings You can localize the date format time format decimal and thousand separators and the first day of the week The localization settings will be active until the next change The localization settings can be changed at login and will be active until the next logout E EI Procedure 1 Lal In the status info line select Semon and select the option Localization LJ Select Localize in the drop down menu 2 Adjust the desired localizations 3 Lal Select OK Select Log in 48 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 6 Operation 6 3 Selecting the Language You have the option of setting the language of the user interface so that it differs from the country settings The setting always applies locally The localization settings will be active until the next change The localization settings can be changed at login and will be active until the next logout E EI Procedure 1 Log into the user interface see Section 9 3 page 70 2 In the status info line select 7 6 and select the desired language from the drop down list 6 4 Setting the System Time 1 Log into the user interface as an installer see Section 9 3 page 70 2 Select the area with
86. date and time in the status info line 3 Enter the current time 4 Select Save to save the time change 6 5 Setting the Brightness on the Touch Display 1 Select in the status info line 2 Adjust brightness via the arrow keys on a scale of ten The selected brightness is shown on a test screen 3 Select Save to save the change to the brightness setting 6 6 Changing the Password for the User Groups To change the password for the installer user group you must be logged in as an installer The password of the user group User can only be changed by the user group Installer To change the password for the user group User you be logged as a user or an in staller Procedure 1 Log into the user interface see Section 9 3 page 70 2 Select the role of the user group for which the password is to be changed 3 Enter the new password 4 To confirm enter the new password again 5 Select Save 6 7 Display of Measured Values 6 7 1 Displaying Measured Values in the Components View On the Analysis pages DC side Inverters AC side and Utility grid you can have the corresponding instantaneous values displayed in a diagram It is possible to have data with two different units displayed on two Y axes Depending on the selected time period you can select different measured values for display User Manual C1850 2200 US BA Q4 en 12 49 6 Operation SMA Solar Technology Ameri
87. display A60 Load break switch Q63 for AC disconnection unit User Manual C1850 2200 US BA Q4 en 12 3 Product Overview SMA Solar Technology America LLC Position Designation D Load break switch Q64 for auxiliary energy supply Load break switch Q62 for supply voltage F Load break switch Q61 for DC switchgear Key switch 52 for fast stop IQ Key switch S1 for start stop Service interface X500 only for option Auxiliary supply for external loads 2 5 kVA 230 V or Auxiliary supply for external loads 2 5 kVA 120 V 3 3 Operating and Display Elements 3 3 1 Function of the Switches 3 3 1 1 Start Stop Key Switch S1 Start switch position If the key switch is set to Start the inverter switches from the Stop operating state to the WaitAC operating state If the utility grid is valid the inverter switches on the AC disconnection unit and changes the inverter to the WaitDC operating state If the irradiation is sufficient the inverter connects the DCV switchgear and changes to the GridFeed operating state If the irradiation is insufficient and the input voltage is therefore too low the DC switchgear remains open and the inverter remains in the WaitDC state Stop switch position If the key switch is turned to Stop while the inverter is in the WaitDC operating state the inverter switches to the Stop operating state and the AC disconnection unit is switched off If the key
88. e 10 3 2 2 Active Power Limitation via Parameters The active power limitation is entered as an absolute value via the parameter WSptMan The parameter WSptMan defines the amount of active power to be fed in and can be changed during feed in operation The parameter WSptMan must not be greater than the parameter WRtg 10 3 3 Reactive Power Control 10 3 3 1 Principle of Reactive Power Control The output value for the reactive power control is calculated using two output values User Manual 5 1850 2200 05 4 1 2 87 10 Function Description SMA Solar Technology America LLC T Figure 32 Principle of Reactive Power Control The inverter receives external specifications for the reactive power in the parameter GriMng VarMod The following specifications can be set via this parameter Off The inverter does not provide reactive power Specifications of the electric utility company for the reactive power values transmitted via Modbus protocol Specifications of the electric utility company for the displacement power factor transmitted via Modbus protocol VArCtlMan Entry of reactive power via fixed specification defined in parameter VArSptMan Entry of displacement power factor via fixed specification defined in parameter PFSptMan Parameters that are entered via the user interface Specifications of the electric utility company that are transmitted via
89. e configured and the gradients of the reactive power adjustment for decreasing or increasing grid voltage can be defined individually for each threshold Overview of the relevant parameters Parameter Description VArCIlVol LoVolRef1HiVolRef1 Voltage quotient at which reactive power feed in is zero VArCIlVol HiVolRef2 HiVolRef3 Threshold of the voltage quotient at increased grid voltage VArCtlVol HiGral HiGra2 HiGra3 Gradient of reactive power adjustment of the given voltage band at in creased grid voltage VArCtlVol LoVolRef2 LoVolRef3 Threshold of the voltage quotient at reduced grid voltage VArCtlVol LoGral LoGra2 LoGra3 Gradient of reactive power adjustment of the given voltage band at in creased grid voltage VArCIlVol VArSptFilTm Filter constant by which the measured values of the grid voltage are filtered This enables more stable control 94 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description 10 4 5 Reactive Power Control as a Function of Active Power PFCHW Mode In the PFCTLW mode the displacement power factor is set as a function of feed in power This dependency is depicted by a freely configurable cos P characteristic curve overexcited 0 9 WhRefl WRef2 WhRef3 underexcited PFRefl 0 9 Figure 36 Reactive power control as a function of active power example WRef5 1 on an To implement the requirements of the grid
90. e 28 Position of the remote GFDI Position Designation A Remote GFDI 84 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description If the Remote GFDI trips initially a temporary error will be assumed and a motor drive will close the Remote GFDI after a defined waiting time No external switch command is required to close the tripped Remote GFDI The inverter can switch back to feed in operation after a waiting time In the default setting of the inverter the software will attempt to start the Remote GFDI up to three times per day If the Remote GFDI is tripped on several consecutive days the software assumes a permanent insulation error and the inverter will no longer switch back on In this case a qualified person will need to check and if necessary repair the insulation and then acknowledge the error 10 2 3 4 Insulation Monitoring Device Depending on the order option an insulation monitoring device can monitor the insulation resistance of the PV power plant in ungrounded PV arrays In the operating state GridFeed the insulation resistance of the entire system from the PV array to the MV transformer will be measured If the inverter is in the operating states Stop or WaitAC only the insulation resistance from the PV array to the inverter will be measured
91. e appears above the input field In this case the parameter is still highlighted The param eter will only revert fo an inactive state when the parameter has been changed successfully or the change has been canceled 4 7 2 Update One update package each is brought to the inverter for a firmware update This update package contains updates for the individual assemblies of the inverter When updating there is not a new version for the individual assemblies in every update so that the assemblies can have different version statuses The currently installed firmware version is displayed for the Installer user group on the update page For this the version number of the installed update package is specified in the Update version column and the firmware version of the respective assembly is in the Current version column 4 7 3 Import 4 7 3 1 Import Concept If you are logged in as the installer you have the option of importing various data sets Data type Explanation Favorites Import of favorite lists of instantaneous values and parameters Modbus profile Import of Modbus profiles Parameters and settings Import of parameters The parameter file can contain the entire parameter list in cluding IP addresses of the inverter the entire parameter list excluding IP ad dresses of the inverter or individual parameters File imports are performed via a menu dialog in the web browser via which you can select a file
92. e external standby function Error View the cause of the error in the ErrNo instantaneous value 7 5 2 Inverter Behavior in Case of Disturbances If a disturbance occurs during operation this may be caused by a warning or an error In case of an error inverter operation will be interrupted There are two levels assigned to each disturbance which influence the display and system behavior Only in the case of certain disturbances will the inverter behavior differ depending on the level The level is increased from 1 to 2 if the disturbance occurs five times within two hours or without interruption for two hours If a disturbance occurs an incoming disturbance entry is generated in the event overview This entry includes the device in which the disturbance was detected a warning symbol the exact location of the error source within the assembly an error number a description of the disturbance and the time when the disturbance occurred The cause of the disturbance must be determined and remedied before you acknowledge the disturbance Once the disturbance has been acknowledged the inverter checks whether the cause of the disturbance is eliminated If the cause of the disturbance still exists after the disturbance has been acknowledged the inverter remains in the operating state Disturbance If the disturbance is no longer present the disturbance is entered in the event list as outgoing Inverter behavior in the disturbance le
93. e version 1 00 04 Date 27 03 2014 10 18 37 Figure 6 Page DC side of the user interface example Position Description A Overview of the status of the PV array and the inverter as well as the switch positions of the DC side as detail of the block diagram on the Home page B Depiction of the current DC power Display of current voltage electrical current strength and insulation resistance on the DC side of the inverter Diagram with display of instantaneous values for DC voltage DC power DC current strength and interior temperature of the inverter 4 4 4 Inverter The content area of the page Inverter is subdivided into four sections User Manual 5 1850 2200 05 4 1 2 27 4 Use r Interface SMA Solar Technology America LLC SMA Sunny Central 9 c 5011 Instal og o ENTRAT CHANGES P Inverters Utility Instantaneous values Detailed analysis Yield operating state Instantaneous values E today 709 61 kWh Outside temperature E total 177250 33 kWh Temperature RIO Inverter operation OPERATION Max board temperature of all inverter bridges Inverter operation detail CPU2 OPSTT GRIFEED Max lgbt temperature of all inverter bridges 00 00 02 00 B tmpcab dec 88 tmocab rcc Bl tmocab rio Serial number 252 User Installer Firmware version 1 00 04 R Date 27 03 2015 10 20 49 Figure 7 Inverter page of the user interface example
94. ead this section carefully and observe all safety information at all times DANGER Danger to life due to applied voltages High voltages are present in the live components of the product Touching live components results in death or serious injury due to electric shock Always disconnect the inverter from the power transmission path and from the control path if no voltage is required for working on the product see Section 5 3 page 42 After switching off the inverter wait at least 15 minutes before opening it to allow the capacitors to discharge completely see Section 5 3 page 42 Wear suitable personal protective equipment of the corresponding hazard risk category for all work when the power transmission path is connected The hazard risk category of the various areas of the inverter are different The areas are identified with warning labels Wear suitable personal protective equipment for all work when the control path is connected Always perform all work on the product in compliance with the regulations specified in 29 CFR Chapter XVII Part 1910 OSHA NEC and NFPA 70E Do not touch any live components Observe all warning messages on the product and in the documentation Observe all safety information of the module manufacturer The product must not be operated with open covers or doors DANGER Danger to life from electric shock due to live DC cables DC cables connected to PV modu
95. eakers of the String Combiners Check whether the switch between the DC side and the inverter is open on the touch display If the switch between the DC side and the inverter is closed ensure that all switch points upstream the String Combiners have been activated Remove the fuses from the String Combiners or switch off the circuit breakers of the String Combiners Ensure that no voltage is present for each DC input Use the measuring points on the bottom of the fuse holders Tip There are drill holes in the protective covers over the fuse holders Through these drill holes you can determine the voltage free status with suitable test probes without having to disassemble the protective covers 5 3 4 Disconnecting the Supply Voltage and External Voltages Additionally required material not included in the scope of delivery 4 padlocks Diameter of the shackle 5 mm to 8 mm 0 2 in to 0 3 in 44 SC1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 5 Disconnecting and Reconnecting Switching Off the Supply Voltage 1 2 Switch off the inverter see Section 5 3 1 page 42 Turn the load break switch for the supply voltage Q62 to the OFF position Note that the cable to the load break switch is still energized 3 Pull the bracket out of the switch lever Hook a suitable padlock into the bracket and lock it This will ensure that the switch lever cannot reconnect inadvertently Switching Off
96. ean the fans 7600 Internal communication error has 30s 15 Contact SMA Service Line occurred min 7601 Internal inverter error 30s 30s Contact SMA Service Line 7602 Internal communication errorhas 30s 30s Contact SMA Service Line occurred or communication is inter 7620 305 180 Contact SMA Service Line rupted min 7621 30s 15 Contact SMA Service Line min 7708 Faulty switching status of Re 5 15 Contact SMA Service Line mote GFDI min 7801 The surge arrester is defective or W e Check the surge arrester the back up fuse of the surge ar Check the back up fuse of the surge rester has tripped 7901 Reverse current has occurred in PV 1 D x in Contact SMA Service Line array 2 8712 Warning failure of active power 1 1 min Contact SMA Service Line specifications transmitted via com munication The last valid value or after a day change Pmax is used Once valid setpoints are available again these will be used 8713 Error failure of active power speci 1 1 min Contact SMA Service Line fications transmitted via communi cation Inverter stops feed in oper ation 9009 Fast stop tripped by processoras 5min Q Eliminate error and switch fast stop back sembly on 9023 Fast stop tripped by DC overcu 5 Eliminate error and switch fast stop back on 62 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC Error no
97. ect the file to be exported from the list 7 Select the target location for the export Delete file The selected file will be deleted from the cache Copy file to external device The file will be saved to an external storage medium 52 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 6 Operation Download The file will be downloaded to the computer used 8 Complete the file export with OK 6 13 Adjusting Network Ports If you want the inverter to be accessible via the Internet so that for instance you have direct access from Sunny Portal you may have to configure port forwarding in your router This may require adjustment of the network ports i Adjusting the network ports Check your access to the user interface before you change the setting Public virtual HTTP port on the user interface In most cases the settings do not have to be changed manually as the router automatically forwards the queries to the correct ports via the network Before adjusting the ports contact your network administrator i Unauthorized access to the inverter If you activate the Modbus protocol unauthorized access to the inverter will be possible In this case users without a password will be able to view the instantaneous values of supported devices or even change parameters Using a VPN is recommended Procedure 1 Call up the parameter overview see Section 9 4 page 71 2 In the parameter Netw StdGw IpAdr
98. ed as a basis for invoicing The inverter s measured values are required for the system management and to control the current to be fed to the grid Deviation Voltage measurement 5 V Frequency measurement 0 06 Hz Disconnect time 0 1 12 2 Requirement on the overall system When designing the components of the PV system you should take account of the maximum inrush current O During configuration you should take account of the fact that the closed loop control of the compensation plant on the MV side does not affect the closed loop control of the inverter During configuration of the PV system the scale times of the various MV switchgear must be coordinated with each other This means that only PV systems in which a disturbance has occurred are disconnected from the utility grid 12 3 Structure of names for parameters and instantaneous values The names of parameters and instantaneous values are allocated over the entire system according to a standardized concept Accordingly the names are made up of acronyms as defined in the standard IEC61 850 In general a name looks like this Modulecode Namepart1 Namepart2 name can consist of several parts each separated by a period A name can consist of up to three parts Parameters and instantaneous values made up of just one part pertain to the entire inverter The name begins with the module code to which the parameter or instantaneous value refers As a re
99. emperature thresholds depend on the MV transformer used and must be set on the MV transformer for each individual project With analog temperature measurement The inverter provides the option to record the temperature of the MV transformer using an analog sensor The inverter converts the measured values to temperatures and sends them to the communication interface The temperature signals can be called up via Modbus protocol at the communication interface The analog temperature measurement is for informational purposes only The inverter will not disconnect due to this analog temperature measurement Monitoring of boiler pressure If the pressure in the MV transformer boiler reaches the minimum or the maximum value the signal at terminal X4 4 is interrupted by the protective device of the MV transformer The inverter switches immediately to operating state Error and switches off The pressure thresholds depend on the MV transformer used and must be set for each individual project User Manual C1850 2200 US BA Q4 en 12 81 10 Function Description SMA Solar Technology America LLC Monitoring the oil level If the MV transformer loses oil and the oil level falls below a threshold the protective device sends the signal to terminal X4 5 on the inverter Depending on the type of the MV transformer and the protective device gas formation in the MV transformer can also be detected If the oil level is too low or if gases appear in the MV tr
100. en acknowledged on the user interface an event report is saved on the SD memory card The event report logs the time and type of disturbance The event report can also be displayed on the user interface Depending on the type of disturbance a reset may be performed When this happens the relays are checked and the supply voltage of the control system is switched off This process takes less than one minute While the control system is booting the regular waiting times for grid monitoring are complied with 7 5 3 Explanation of the Error Tables You will find the following information in the error tables in the following sections Errorno Explanation S1 2 Corrective measures 9009 Fast stop tripped manually 5 Q Release switch again once danger is eliminated Figure 16 Explanation of the error table example Position Explanation A Behavior of the inverter disturbance level S1 disturbance level S2 s min waiting time D day change e Q waiting for acknowledgement W warning B Reset 7 5 4 Error Numbers 01xx to 13xx Disturbance on the Utility Grid After a grid failure the inverter monitors the utility grid for a specific period before reconnecting 58 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 7 Troubleshooting When the inverter monitors the utility grid after a grid error the grid monitoring time is complied with Certain errors such as grid errors
101. er VARtg WCtlHz CfgMod Selection of the reference values for the reduction e HzGra Active power reduction takes place according to a reduction gradient e W Active power reduction takes place based on power values which the inverter should attain at the end of each frequency band WCtlHz DrglndMod Selection of inverter behavior when power frequency drops Disable The inverter increases its active power fed in along the characteristic curve Enable The inverter still feeds in using the value of active power last fed in even when the power frequency is dropping Only when the frequency defined in the parameter WCtlHz HzStopMax is not met may the power fed in be increased again WCIlHz Hz1 Hz2 Hz3 Frequency threshold of the given frequency band for frequency dependent active power reduction WCIlHz HzGral HzGra2 Gradient of the active power limitation for the given frequency band HzGra3 WCIHz W2 W3 WA Active power setpoint to be attained at the end of the given frequency band WCtlHz HzStopMax Upper frequency threshold of the rebound zone from which active power limita tion is suspended WCtlHz HzStopMin Lower frequency threshold of the rebound zone from which active power limita tion is suspended WCIlHz HzStopTm Minimum time interval for which the power frequency must be stable in the re bound zone before active power limitation is suspended WCIlHz WGraPosEna Selection of behavior during restart of
102. es the power per second in steps according to the parameter settings Parameters Description WGra The maximum feed in power is increased by the configured amount per second VarGra The configured reactive power is increased by the configured amount per second User Manual C1850 2200 US BA Q4 en 12 89 10 Function Description SMA Solar Technology America LLC 10 4 1 2 Start Up after Grid Fault In parameter WGraReconMod you can define how the inverter is to begin with active power feed in after a grid fault Parameters Description Disable The inverter reverts to maximum power within one second Enable The inverter restarts using a ramp of max 1076 of nominal power per minute The gradient of this ramp is defined in parameter WGraRecon 10 4 2 Dynamic Grid Support FRT 10 4 2 1 Principle of Dynamic Grid Support With dynamic grid support Fault Ride Through FRT the inverter supports the utility grid during a brief grid voltage dip Low Voltage Ride Through LVRT or during a short period of overvoltage High Voltage Ride Through HVRT With full dynamic grid support grid support is ensured by feeding in reactive current With limited dynamic grid support the inverter interrupts grid feed in during a grid instability without disconnecting from the utility grid i Q on Demand and dynamic grid support In the operating state on Demand limited dynamic grid support is available The inverter behavior can
103. f1 First reference value of undervoltage up to which the corresponding gradient is effective Frt LoVolRef2 Second reference value of undervoltage up to which the corresponding gradient is effective Frt LoVolRef3 Third reference value of undervoltage up to which the corresponding gradient is effective Frt LoGral First gradient of current change which is effective up to the corresponding reference value Frt LoGra2 Second gradient of current change which is effective up to the corresponding reference value Frt LoGra3 Third gradient of current change which is effective up to the corresponding reference value Frt HiVolRef1 First reference value of overvoltage from which the corresponding gradient is effective Frt HiVolRef2 Second reference value of overvoltage from which the corresponding gradient is effective Frt HiVolRef3 Third reference value of overvoltage from which the corresponding gradient is effective Frt HiGral First gradient of current change which is effective from the corresponding reference value Frt HiGra2 Second gradient of current change which is effective from the corresponding reference value Frt HiGra3 Third gradient of current change which is effective up to the corresponding reference value User Manual C1850 2200 US BA Q4 en 12 91 10 Function Description SMA Solar Technology America LLC Parameters Description Frt AmpDGra Rate of current increase with which the active power feed in continues after grid support ends Frt VolFi
104. full active power e O The inverter rapidly reverts to maximum active power The inverter gradually ramps up to the active power WCIlHz WGraPos Gradient for the ramp by which the inverter ramps up to the maximum active power User Manual C1850 2200 US BA Q4 en 12 93 10 Function Description SMA Solar Technology America LLC 10 4 4 Reactive Power Control as a Function of Grid Voltage VArCtlVol Mode The reactive power is controlled as a function of the grid voltage By supplying reactive power the inverter performs voltage stabilizing measures in the event of overvoltage or undervoltage The parameterization is carried out by means of a reactive power voltage characteristic curve The characteristic curve can be flexibly configured by parameterizing the slope and a type of deadband through two voltage points Qro Shon HiVolRef2 HiVolRef3 2 V V nom LoVolRef2 LoVolRef3 LoVolRef1 HiVolRef1 Figure 35 Characteristic curve of the voltage dependent reactive power control A quotient is derived from the ratio of grid voltage to nominal voltage When the grid voltage is equal to the defined nominal voltage the reactive power feed in is zero If the grid voltage changes and exceeds or falls short of a defined threshold the inverter reacts according to the voltage reactive power characteristic curve by adjusting its reactive power feed in For each voltage quotient three thresholds can b
105. g options DC input configuration 24 fused inputs disco DC input configuration 28 fused inputs disco DC input configuration 32 fused inputs disco Additionally required material not included in the scope of delivery 17 padlocks Diameter of the shackle 5 mm to 8 mm 0 2 in to 0 3 in Procedure 1 Switch off the inverter see Section 5 3 1 page 42 2 Turn the DC load break switch Q61 to the OFF position Note that the cable to the load break switch is still energized User Manual C1850 2200 US BA Q4 en 12 43 5 Disconnecting and Reconnecting SMA Solar Technology America LLC 3 Pull the bracket out of the switch lever Hook a suitable padlock into the bracket and lock it This will ensure that the switch lever cannot reconnect inadvertently 5 Open the hatch see Section 9 2 page 69 6 Switch all switch levers of the DC switches Q111 to Q114 7 8 Q121 to Q124 Q211 to Q214 Q221 to Q224 to the OFF position Pull the brackets out of the switch levers Hook the padlocks in the brackets and lock them This will ensure that the switch levers cannot reconnect inadvertently The ungrounded pole of the DC inputs is activated starting at the DC switches If the ungrounded pole the DC switches and the DC connection area should also be activated operate the switch point positioned in front Remove the fuses from the String Combiners or switch off the circuit br
106. glowing Green glowing Feed in operation with warning The inverter continues to feed into the utility grid but a warning is pending User Manual C1850 2200 US BA Q4 en 12 19 3 Product Overview Light repeater status 1 Red off Yellow off IN Green flashing Designation Grid limit monitoring SMA Solar Technology America LLC Explanation The inverter is monitoring the utility grid and the required delay time has not yet expired O e Oo Red off Warning The inverter is currently not feeding power Yellow glowing into the grid and has detected a warning As soon as warning is no longer pending it will be automatically reset eR Red off Limited feed in opera The inverter could feed into the utility grid at ui Yellow flashing tion possible reduced power but external or temperature G derating is active reen o Red glowing Disturbance The inverter has detected a disturbance and Yellow off switched off Green off O O Red off Waiting for DC volt inverter waits until the DC voltage Yellow off age reaches set thresholds so that it can start grid of feed in The inverter is in the operating state Green o Shutdown e Red flashing Light repeater test The inverter is in the state Test mode and Yellow flashing Green flashing the test for the light repeaters has been se lected Orange flashing G
107. his document does not replace and is not intended to replace any local state provincial federal or national laws regulations or codes applicable to the installation and use of the product including without limitation applicable electrical safety codes All installations must conform with the laws regulations codes and standards applicable in the jurisdiction of installation SMA assumes no responsibility for the compliance or non compliance with such laws or codes in connection with the installation of the product Before installing or using the product read all of the instructions cautions and warnings in this manual Before connecting the product to the electrical utility grid contact the local utility company This connection must be made only by qualified personnel Wiring of the product must be made by qualified personnel only User Manual SC1850 2200 US BA Q4 en 1 2 5 Table of Contents SMA Solar Technology America LLC Table of Contents 1 6 Information on this Document 10 10 1 2 Target Group IR 10 12 10 LUE 10 FOND o 0 11 eeiam meu aT UT ect 11 I rir reo 12 21 Intended E 12 2 2 M 13 23 Personal Protective bip Pase pM 16 Product
108. ill enable the insulation to be checked at regular intervals In ungrounded PV arrays An insulation monitoring device constantly determines the insulation resistance using an active measurement procedure As soon as the insulation resistance falls below the warning threshold specified in the insulation monitoring device an insulation warning will be displayed As a result preventative measures can be taken before errors such as personal injury due to leakage currents or system failure occur If the insulation resistance falls below the configured warning threshold the inverter switches off 10 2 3 2 Depending on order option ground fault monitoring inverter may be carried out via ground fault detection and interruption GFDI This grounds one terminal of the PV array GFDI is performed via a high performance K type circuit breaker with an operating current of 5 The GFDI is integrated in the inverter and connected between an input busbar and the grounding busbar User Manual SC1850 2200 US BA Q4 en 1 2 83 10 Function Description SMA Solar Technology America LLC ERU Lee e BIS e We Re T GUTES e FT ooo D Lee ee BI
109. in accordance with IEEE 1547 only the parameters relevant for IEEE 1547 must be left unchanged In accordance with IEEE 1547 the grid voltage is monitored for over and undervoltage User Manual C1850 2200 US BA Q4 en 12 79 10 Function Description SMA Solar Technology America LLC If the grid voltage exceeds or falls short of a defined voltage threshold the inverter must disconnect from the utility grid within a defined time interval In this case the voltage thresholds as defined by relevant standards and the disconnection times form a window in which the individual parameters of the inverter must be located V ron 1 30 Overvoltage 1 04 0 96 Undervoltage 0 40 Figure 25 Range of grid voltage monitoring in accordance with IEEE 1547 Implementation of voltage monitoring is two tiered there are two thresholds each for over and undervoltage with corresponding monitoring times for each level This means that at low voltage variation the grid voltage can be monitored over a longer period before the inverter disconnects from the utility grid In the event of severe infringement of the upper or lower voltage thresholds a shorter monitoring time can be configured so that the inverter disconnects from the utility grid faster N s 2 Lim VCtl Hi2LimTm Lim 1 LimTm VRtg 1 0 0 88 VCtl Lo 1 Lim Sa eee ee VCtl Lo 1 LimTm B5 VCH Lo2Lim
110. itched off The DC switchgear and the AC disconnection unit are switched off If the start stop key switch S1 is set to Start the inverter switches to the operating state WaitAC 10 1 3 Init The inverter is prepared for operation and the functioning of all components is tested 72 SC1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description 10 1 4 WaitAC In the operating state WaitAC the inverter monitors the grid limits for the time defined in the parameter WaitGriTm If no grid error occurs during the grid monitoring time the inverter switches to the operating state ConnectAC If the grid limits are exceeded during the grid monitoring time the inverter remains in the operating state WaitAC and will restart grid monitoring 10 1 5 ConnectAC A valid AC grid is present in the operating state ConnectAC and the inverter connects to the utility grid The inverter switches the AC disconnection unit on 10 1 6 WaitDC In the operating state WaitDC the inverter monitors the applied input voltage U py and compares it with the DC voltage necessary for operation When the input voltage exceeds the required DC voltage the inverter switches to the operating state ConnectDC 10 1 7 ConnectDC When in the operating state Connect DC the inverter changes to the operating state GridFeed or on Demand operation For the operating state GridFeed the inverter connects the DC swi
111. itchgear of the inverter remain closed This makes a fast switch to the operating state GridFeed possible if the standby signal has been reset The external standby is designed as an open circuit failsafe function and must be connected to an external 24 V supply voltage If 24 V is present at the external standby the inverter continues to operate in the current operating state If the external standby is tripped or if a wire break occurs O V is present at terminal X440 5 7 and the inverter switches from the current operating state to the operating state Standby 10 2 2 Automatic Shutdown Functions 10 2 2 1 Monitoring the Power Frequency The inverter continuously checks the power frequency This enables the inverter to disconnect from the utility grid in case of overfrequency or underfrequency If the power frequency rises above or falls below the configured thresholds the inverter waits for the time defined in the corresponding parameter and disconnects from the utility grid You can set the thresholds and the delay time in the parameters For frequency monitoring six limits for overfrequency and six limits for underfrequency can be configured Hz HzCtl Hi5 Lim HzCIl Hi4Lim HzCtl Hi3Lim HzCtl Hi2Lim Lim ponies chsh Gel PASAST dual N HzRtg po HzGl OpMinNom HzCil LoTlim HzCil Lo2lim HzCiHl Lo3lim HzCil Lo4Lim gt t ms Figure 21 Monitoring of
112. jury due to electric shock Observe all safety information when working on the product Wear suitable personal protective equipment for all work on the product e f you cannot remedy the disturbance with the help of this document contact the Service see Section 13 Contact page 111 7 2 Activating Alert in the Event of a Fault You can be notified by e mail of events that have occurred This allows a rapid response to failures in the PV power plant and minimizes downtimes The alert is deactivated upon delivery Procedure 1 Call up the parameter overview see Section 9 4 page 71 To activate the alarm via e mail set the parameter Alrm Mail Ena to On Enter the address or IP address of the relevant SMTP server in the parameter Alrm Smtp Adr Enter the port of the relevant SMTP server in the parameter Alrm Smtp Port Enter the user name for the SMTP authentication in the parameter Alrm Smtp Usr Enter the password for the SMTP authentication in the parameter Alrm Smtp Pwd Enter the required encryption in the parameter Alrm Smtp Cry Enter the e mail address to which e mails are to be sent in the parameter Alrm Smtp Recp O09 A KR C DN If you do not wish the sender of the e mail to contain the address of the SMTP server enter the desired address the parameter Alrm Smtp TxAdr To create a test e mail select the parameter Alrm Smtp Tst and click the button test V A test e
113. lMod Definition of the reference value during grid support The voltage refers to the nominal voltage The voltage refers to a filtered value of the measured voltage 10 4 2 3 Limited Dynamic Grid Support With limited dynamic grid support the inverter interrupts grid feed in during grid instability for a configurable time without disconnecting from the utility grid The duration for which the inverter interrupts feed in can be set in the parameter Frt WaitTm 10 4 3 Active Power Limitation Depending on Power Frequency Procedure WCtlHz In the case of active power limitation depending on power frequency the inverter constantly checks the connected power frequency and if necessary regulates the active power feed in Pu Sus 7 2 HzGra2 1 A DrglndEna _ HzGra3 __ Hz Hz2 Hz3 24 Figure 34 Active Power Limitation Depending on Power Frequency If the power frequency exceeds a defined threshold the inverter reduces the active power feed in It can be selected whether the active power should be reduced by a gradient or a set power This reduction of active power depending on power frequency can be defined for three frequency bands The active power reduction can be configured individually for each frequency band This fulfills the requirements of the electric utility company If the power frequency exceeds the grid limit the inverter will shut down and switch to the operating state WaitAC The inverte
114. les that are exposed to light are live Touching live cables results in death or serious injury due to electric shock Wear suitable personal protective equipment of the corresponding hazard risk category for all work when the power transmission path is connected The hazard risk category of the various areas of the inverter are different The areas are identified with warning labels Always perform all work on the product in compliance with the regulations specified in 29 CFR Chapter XVII Part 1910 OSHA NEC NFPA 70E Prior to connecting the DC cables ensure that the DC cables are voltage free DANGER Danger to life from electric shock due to ground fault If a ground fault has occurred parts of the PV power plant that are supposedly grounded may in fact be live Touching incorrectly grounded parts of the PV power plant results in death or serious injuries from electric shock Before working on the system ensure that no ground fault is present Always perform all work on the product in compliance with the regulations specified in 29 CFR Chapter XVII Part 1910 OSHA NEC NFPA 70E User Manual C1850 2200 US BA Q4 en 12 13 2 Safe SMA Solar Technology America LLC ty gy DANGER Danger to life from electric shock due to damaged product Operating a damaged product can lead to hazardous situations that result in death or serious injuries due to electric shock Only operate the
115. ltage for the following devices on or off 3 3 1 5 Switch cabinet heater E1 Heaters for low temperature option E2 to E4 Inverter bridge fans G1 Switch cabinet fans G10 and G11 Power metering A41 Service interface 500 Customer slot X310 Assemblies A50 and A1 Communication unit A3 Touch display A60 The load break switch switches the following devices on or off precharge unit Q50 AC switchgear Q1 3 3 1 6 3 3 2 3 3 2 1 Light repeater status Light Repeaters Red glowing Yellow glowing Green glowing Light repeater at the control panel Designation Initialization Load Break Switch for AC Switchgear and Precharge Unit Q63 Load Break Switch Q64 for Auxiliary Energy Supply Explanation The inverter is now in the initialization phase A light repeater test is performed O O 6 Red off Feed in operation The inverter is feeding into the utility grid Yellow off Green glowing O 2 e Red off Restricted feed in op Due to external derating or temperature der Q Yellow flashing Green glowing Red off Yellow flashing Green flashing eration Grid limit monitoring with restricted feed in operation ating the inverter is feeding into the utility grid at reduced power The inverter is monitoring the utility grid and the required delay time has not yet expired Currently external or temperature derating is active Key Red off Yellow
116. m VCtl Lo2Lim VCtl Lo3 Lim VCil LoALim L VCIl Lo5Lim t ms Figure 24 Monitoring of the grid voltage Parameters Explanation Default value VCil OpMaxNom Voltage threshold for the upper connection limit of voltage monitoring 1 10 VCtl OpMinNom Voltage threshold for the lower connection limit of voltage monitoring 0 88 Lim First threshold for overvoltage 1 10 LimTm Time lapse for the first threshold for overvoltage 1 000 ms VCIl Hi2Lim Threshold of the second level for overvoltage 1 2 VCtl Hi2LimTm Time lapse for the second threshold for overvoltage 160 ms VCIl Hi Lim Threshold of the third to fifth level for overvoltage 2 00 VCtl Hi LimTm Time lapse for the third to fifth threshold for overvoltage 10 000 ms VCIl Lo 1 Lim First threshold for undervoltage 0 88 VCtl Lo 1 LimTm Time lapse for the first threshold for undervoltage 2 000 ms VCtl Lo 1 Lim Threshold of the second level for undervoltage 0 50 VCtl Lo 1 LimTm Time lapse for the second threshold for undervoltage 160ms VCtl Lo Lim Threshold of the third to fifth level for undervoltage 0 00 VCtl Lo LimTm Time lapse for the third to fifth threshold of undervoltage 10 000 ms Monitoring the grid voltage in accordance with IEEE 1547 i Termination of the operating license if setting values are changed The thresholds for the grid voltage are configured in accordance with IEEE 1547 If inverter grid monitoring is to be performed
117. mply passively monitored This involves monitoring the speed of the frequency change If the power frequency changes by a certain amount in a certain time a stand alone grid is detected and the inverter disconnects from the utility grid The magnitude of the frequency change and the time lapse in which this change must take place can be configured via parameters on the inverter The passive islanding detection function is not UL certified 10 2 2 6 External Islanding Detection If the PV power plant is equipped with an external anti islanding detection system with trip transfer the formation of stand alone grids can be detected at the farm level If a stand alone grid has formed a signal is transmitted to the fast stop input of the inverter A suitable cable must be connected at the fast stop input at terminal X440 1 3 of the inverter during installation During normal operation conditions a 24 V signal is transmitted to the fast stop input of the inverter If a stand alone grid has formed the signal switches to O V and the inverter switches to Error and is disconnected from the utility grid In order to switch back the inverter to the operating state GridFeed ensure that the external antiislanding detection system generates the 24 V signal 10 2 2 7 Low Temperature Shutdown The internal temperature and the outside temperature are monitored in the inverter so that it can be shut down if the operating temperature range is infringed
118. n Procedure 1 Switch off the inverter see Section 5 3 1 page 42 2 Turn the load break switch of the DC switchgear Q61 to the OFF position Note that the cable to the load break switch is still energized 3 Pull the bracket out of the switch lever 4 Hook a suitable padlock into the bracket and lock it This will ensure that the switch lever cannot reconnect inadvertently 5 Actuate upstream switchpoint Remove the fuses from the String Combiners or switch off the circuit breakers of the String Combiners 6 Check whether the switch on the touch display between the DC side and the inverter is open and the voltage display shows V If the switch between the DC side and the inverter is closed or the voltage display does not show O V make sure that all switch points upstream the String Combiners have been activated Remove the fuses from the String Combiners or switch off the circuit breakers of the String Combiners 7 Open the hatch see Section 9 2 page 69 8 Ensure that no voltage is present for each DC input Use the measuring points on the bottom of the fuse holders Tip There are drill holes in the protective covers over the fuse holders Through these drill holes you can determine the voltage free status with suitable test probes without having to disassemble the protective covers For inverters with DC switch in front of the input fuses Select this procedure if the inverter is equipped with one of the followin
119. ncy dependent active power control in case of overfrequency increase of the 3rd radio spectrum Frequency dependent active power control in case of coverfrequency increase of the 2nd radio spectrum Frequency dependent active power control in case of overfrequency quantization interval of the frequency measured value Frequency dependent active power control in case of underfrequency activation Frequency dependent active power control in case of underfrequency positive gradient for the active power setpoint activation User Interface ENERGY THAT gt lt i Long name D Monitoring the grid voltage waiting time lower switch off limit 4 Monitoring the grid voltage lower switch off limit 5 Monitoring the power frequency waiting time lower switch off limit 5 Monitoring the power frequency lower switch off limit 6 Monitoring the arid voltage waitina time lower switch off User Installer Date 27 03 2015 10 51 00 Figure 13 Page Parameters of the user interface Position A Explanation Display of parameter lists All parameters a list with user defined Favorites or a pre defined list of the Top 50 pa rameters can be displayed Search field for the targeted search of parameters The search function refers to the long and short names You can search for the numbers of the parameters in the status info line The search function is not available for the grouped parameters
120. nents During operation do not touch any components marked with such warnings After switching off the product wait until any hot components have cooled down sufficiently Wear suitable personal protective equipment for all work on the product Danger of crushing and collision when carelessly working on the product Carelessly working on the product could result in crushing injuries or collisions with edges Wear personal protective equipment for all work on the product Risk of injury when using unsuitable tools Using unsuitable tools can result in injuries Ensure that the tools are suitable for the work to be carried out Wear personal protective equipment for all work on the product NOTICE Property damage due to dust intrusion and moisture penetration Dust or moisture intrusion can damage the product and impair its functionality Do not open the enclosure during rainfall or when humidity exceeds the specified thresholds The humidity thresholds are O 95 76 Only perform maintenance work when the environment is dry and free of dust Only operate the product when it is closed If the installation or commissioning process is interrupted mount all panels Close and lock the enclosure The product must always be closed for storage Store the product in a dry and covered location Temperature at the storage location must be in the specified range The temperature range is 40
121. neous values All instantaneous values a list with user defined Favorites or a pre defined list of the Top 50 instantaneous values can be displayed Display of grouped instantaneous values and parameters Instantaneous values and parameters are grouped under various headings It is possible that certain instantaneous values are allocated to several groups Sorting of the instantaneous values and parameters according to the long and short names by which they are designated in this document and by their number Sorting takes place by lines the columns always remain in the same order Overview of instantaneous values Depending on your selection a list with instantaneous values or the categories of grouped data organized in a tree structure will appear LJ If you hover the cursor over the list a star appears at the end of the line By clicking on the star you can mark this instantaneous value for inclusion in Favorites If you select a line in the list a star appears at the end of the line Click the star to mark this instantaneous value for inclusion in Favorites At the lowest navigation level the instantaneous values are represented in a table Values which have changed since the last page update are highlighted User Manual S C1850 2200 US BA Q4 en 1 2 31 A User Interface SMA Solar Technology America LLC If you select a particular instantaneous value a detailed view for that value opens Detailed View of Ins
122. nloaded via 9 a link Information Kodiak 1500V SC KODI 21 System Network Device type KVA2500 V550 IEC V1500 LAN 1 IP 192 168 100 1 Serial number 11111111 LAN 2 IP MAC 10 177 1 137 00 40 ad 93 31 8e Software package 01 02 07 5 SWITCH IP MAC 10 177 1 138 ec e5 55 91 a3 08 System runtime 5 Day s 02 51 47 LAN 3 IP MAC 172 16 1 51 00 40 ad 93 31 8f Figure 14 Dialog box Information example User Manual SC1850 2200 US BA Q4 en 1 2 39 5 Disconnecting and Reconnecting SMA Solar Technology America LLC 5 Disconnecting and Reconnecting 5 1 Safety When Disconnecting and Reconnecting Voltage Sources A DANGER Danger to life due to applied voltages High voltages are present in the live components of the product Touching live components results in death or serious injury due to electric shock Always disconnect the inverter from the power transmission path and from the control path if no voltage is required for working on the product see Section 5 3 page 42 After switching off the inverter wait at least 15 minutes before opening it to allow the capacitors to discharge completely see Section 5 3 page 42 Wear suitable personal protective equipment of the corresponding hazard risk category for all work when the power transmission path is connected The hazard risk category of the various areas of the inverter are different The areas are identified with warning labels Wear suitable personal
123. operator as exactly as possible the characteristic curve can be divided into four sectors each with an individual gradient based on five reference value pairs The characteristic curve should be defined as monotonically increasing The start and end points of the characteristic curve as well as the reference values of the displacement power factor can be configured by means of parameters If not all reference values are used the cos values of the following parameters must be set to the cos value of the last required point of the characteristic curve Furthermore the reference value of the active power of the last required point of the characteristic curve should be set to 1 All other reference values for active power are automatically set to 1 Parameter Description PFCIW VolMod Activation of the voltage band in which reactive power control should be effective PFCtIW VolDsaPF Reference point of the displacement power factor for activating the voltage band PFCHW VolEnaVol Activation voltage PFCIW VolDsaVol Deactivation voltage PFCtIW VolEnaTm Waiting time for which the activation voltage must be present before reactive power control is activated PFCtIW VolDsaTm Waiting time for which the deactivation voltage must be present before reactive power control is deactivated PFCHW WhRef1 First reference point of the active power on the characteristic curve PFCtIW PFRef1 First reference point of the displacement po
124. or If the roof is not disassembled correctly the grounding conductors may be pulled out Take care not to damage the grounding conductors during disassembly Disassembling the panels 1 Open the locks with a square key wrench 2 Detach the grounding straps from the panels 3 Slightly raise and remove the panels Mounting the panels Requirement The protective covers in the connection area must be mounted Procedure 1 Attach the grounding straps to the panels torque 8 Nm to 10 Nm 70 8 inb to 88 5 inb 2 Ensure that the grounding straps are firmly in place 3 Mount the panels 4 Close the locks with a square key wrench 66 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 9 Periodic Actions 9 1 2 Disassembling and Mounting the Protective Covers on the Inverter k 25155
125. otective equipment PPE for exposed energized interaction with the equipment are attached SMA has conducted an electric arc risk analysis in accordance with 7OE Appropriate arc flash hazard labels are attached The required personal protective equipment PPE for exposed energized interaction with the equipment is indicated on the labels PPE is required for all routine maintenance diagnostics and commissioning activities as described in the SMA protocols Areas within the machine also exist that cannot under any circumstances be exposed while energized These areas are marked accordingly on the machine and can only be made accessible after de energization of the inverter For further information contact us see Section 13 page 111 16 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 3 Product Overview 3 1 Design of the inverter Figure 1 Design of the Inverter 3 Product Overview Position Designation A DC connection area and grounding B AC connection area and grounding Connection area for electronics D Customer installation location 3 2 Devices of the Inverter Figure 2 Devices of the inverter Position Designation A Light repeater P1 P2 P3 P4 B Touch
126. power frequency are configured in accordance with IEEE 1547 If inverter grid monitoring is to be performed in accordance with IEEE 1547 only the parameters relevant for IEEE 1547 must be left unchanged If the power frequency exceeds or falls short of a defined frequency threshold the inverter must disconnect from the utility grid within a defined time interval In this case the frequency thresholds as defined by relevant standards and the disconnection times form a window in which the individual parameters of the inverter must be located 2 64 5 Overfrequency 60 3 59 8 Underfrequency Figure 22 Range of power frequency monitoring in accordance with IEEE 1547 t ms Implementation of power frequency monitoring in accordance with IEEE 1547 is two tiered there are two frequency thresholds each for overfrequency and underfrequency with corresponding monitoring times for each level This means that at low frequency variation the power frequency can be monitored over a longer period before the inverter disconnects from the utility grid In the event of severe infringement of the upper or lower frequency thresholds a shorter monitoring time can be configured so that the inverter disconnects from the utility grid faster User Manual C1850 2200 US BA Q4 en 12 77 10 Function Description SMA Solar Technology America LLC haa Hz 60 5 HzCtIl Hi 1 Lim LimTm HzRig 960 0
127. r in Sunny Portal select the button Execute action in the parameter Portald Act Rgst Dev 8 To test the connection from the inverter to Sunny Portal select the button Execute action in the parameter Portald Act Conn Chk User Manual SC1850 2200 US BA Q4 en 1 2 53 6 Operation SMA Solar Technology America LLC 9 Call up the overview of instantaneous values see Section 9 5 page 71 10 In the instantaneous value Portald Act Conn Chk Rsl check whether the connection has been successfully established Ok is displayed in the instantaneous value Connection has been established successfully X Ok is not displayed in the instantaneous value The connection to Sunny Portal has not been established Ensure that all settings for Sunny Portal in the parameters and the proxy server settings comply with the system configuration Ensure that the inverter can be accessed via the IP address Contact SMA Service Line 11 Select the data upload frequency in the parameter Portald Upld Cyc 12 To complete the registration process register the new devices in Sunny Portal 54 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 7 Troubleshooting 7 Troubleshooting 7 1 Safety during Troubleshooting A DANGER Danger to life from electric shock due to high voltages on the product High voltages can be present on the product under fault conditions Touching live components results in death or serious in
128. r will remain in the operating state WaitAC until all feed in conditions are fulfilled again The behavior of the inverter during restart after a grid fault can be defined individually for each project see Section 10 4 1 2 page 90 According to the given requirement it is possible to define how the inverter should react if the power frequency drops before the grid limit has been reached If this definition stipulates that the inverter is to retain the active power reduction even when power frequency drops the power frequency must first range within a so called rebound zone for a defined time interval before the frequency dependent active power reduction is suspended When the inverter can feed in again at full active power you can define how the inverter is to revert to full active power 92 SC1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description Overview of the relevant parameters Parameters Description WCtlHzMod Activation of frequency dependent active power limitation Disable process deactivated Enable process activated WCIlHz RefMod Selection of the active power to be used as a reference for the active power re duction e W Reduction is based on the instantaneous active power at the time of shortfall of the frequency threshold e WNom Reduction is based on the nominal active power of the inverter WRtg VANom Reduction is based on the nominal apparent power of the invert
129. re of the MV transformer can be monitored with an analog temperature sensor simultaneously The transformer protection is only active if the supply voltage is applied to the inverter The inverter switches immediately to the operating state RampDown in the event of a wire break The following functions can be monitored separately Monitoring of temperature With change over contact The MV transformer sends signals to the inverter at terminals X4 1 and X4 2 To guarantee safety two temperature levels are monitored a warning temperature and a switch off temperature If the temperature in the MV transformer exceeds the warning temperature the protective device of the MV transformer interrupts the signal at terminal X4 2 and the inverter switches to the operating state Error via the operating state RampDown If the inverter is in the operating state Error the MV transformer can cool down Once the MV transformer has cooled down sufficiently the change over contact closes again The error is being acknowledged once the error waiting period has passed and the inverter switches to the operating state WaitAC Once the feed in conditions are fulfilled again the inverter switches to the operating state GridFeed If the MV transformer exceeds the switch off temperature the protective device of the MV transformer interrupts the signal at terminal X4 1 The inverter switches immediately to operating state Error and switches off The t
130. ry set internally to which two optical fibers can be connected for the communication system A Communication system A LAN 2 Port 4 p co 0 rri x LAN 2 Port 1 _ _ 0 LAN 2 Port 2 gt Z gt Q m SWITCH Copper Optical fiber Figure 38 Inverter with one managed switch 96 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description In order to guarantee the implementation of control commands the network that manages the control should be kept free from applications with a high network load e g webcams Using a separate network is recommended to implement data heavy applications For a stable transmission of Modbus protocols the frequency of the Modbus requests may not exceed 1 100 ms 10 5 2 Communication Network in Backbone Ring with Two Managed Switches To ensure a safe and fast system network in large scale PV power plants it is recommended to set up the system network with a ring coupling Several cluster rings are coupled to a backbone ring In the cluster ring ports 1 and 2 must be connected in each case One of the managed switches in the cluster ring must be set up as the ring manager which controls the direction of the data flow We recommend that the managed switch at the coupling point assumes this task PV SYSTEM MONITORING CONTROL
131. s 72 IO 1 Operating States ottenere etienne endet e e hrec dri a e eco p p rn ite ett 72 10 1 1 Overview of the Operating States tentent nter tente terrent nne 72 MEE Meee 72 72 73 MOEN COMMEGIAG 73 73 GonnectDC 73 10 8 GrdEesd iie 73 73 TOTT oet md 74 ROMP 74 10 1 12 Sh tDowr nieto wn fannie adenine 74 OX 74 OR MC IE PII 74 OSEE M 74 qu POI SE Ha 75 10 21 Manual Shutdown FONRO ssri bote aa en 75 10 2 1 1 Overview of Manual Shutdown Functions treten tentent rentes 75 10 2 1 2 Mode of Operation of the External Fast 5 75 10 2 1 3 Mode of Operation of the External Standby eerte 76 10 2 2 Automatic Shutdown Functions 76 10 2 2 Y Monitoring the Power Frequency 2 rrt iP HI
132. s of the subnavigations the number of filtered parameters and instantaneous values is displayed 6 9 Creating Favorites Parameters and instantaneous values can be marked as favorites The marked parameters and instantaneous values are displayed in a separate list You can create a list with the most important parameters and instantaneous values The favorites are created separately for the individual user groups and saved separately for access via touch display on the device itself or via Internet lt The favorites are saved to the device The favorites are saved to the computer Thus the favorites of a particular inverter are automat ically adopted when you log in to another system An exchange of favorite lists between the individual user groups the inverter and the computer is possible via export and import Procedure 1 Call up the overview for parameters or instantaneous values see Section 9 page 65 2 Select the parameter or instantaneous value and select the favorite identifier in the entry field 3 In the line of the parameter or instantaneous value select the favorite identifier 6 10 Using Parameters to Activate and Deactivate the Inverter Standby 1 Call up the parameter overview see Section 9 4 page 71 2 To set the inverter to operating state Standby set the parameter RemRdy to DISABLED 3 To restart the inverter set the parameter RemRdy to ENABLED User Manual SC1850 2200 US BA Q
133. s will void guarantee and warranty claims and usually void the operating license SMA shall not be held liable for any damage caused by such changes Any use of the product other than that described in the Intended Use section does not qualify as appropriate The enclosed documentation is an integral part of this product Keep the documentation in a convenient place for future reference and observe all instructions contained therein Only persons fulfilling all of the skills for the target group are permitted to work on or with the product All work on the product must only be performed using appropriate tools and in compliance with the ESD protection regulations Suitable personal protective equipment must be worn by all persons working on or with the product Unauthorized persons must not operate the product and must be kept at a safe distance from the product The product must not be operated with open covers or doors The product must not be opened when it is raining or when humidity exceeds 95 The product must not be operated with any technical defects The type label must remain permanently attached to the product 12 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 2 Safety 2 2 Safety Information This section contains safety information that must be observed at all times when working on or with the product To prevent personal injury and property damage and to ensure long term operation of the product r
134. ssages via the User Interface seen 7 42 Acknowledging Disturbance Messages via the Start Stop Key Switch S1 7 5 Remedial Action in Case of Disturbances cae nata tritt 7 5 1 Troubleshooting for non feeding of the inverter serene 7 5 2 Inverter Behavior in Case of tentent tnnt nne 7 5 3 Explanation of the Error Tables sentent tentent 7 54 Error Numbers 01xx to 13xx Disturbance on the Utility Grid sse 7 55 Error Numbers 34xx to 40 Disturbance on the PV Array sss 7 5 6 Error Numbers 6xx to 9xx Disturbance on the Inverter sss EMEN MERI NM m m RU RR rU 64 Periodic Tan p te 65 9 1 Mounting and Disassembly Work tentent tentent tete 65 9 1 1 Disassembling and Mounting the Panels ys atc e aa e P Reni thee 65 9 1 2 Disassembling and Mounting the Protective Covers on the Inverter sse 67 22 Opening and Closing the pee rut taret 69 93 logging lnto the User Interface 70 9 4 Accessing ihe Parameter um o eu ae 71 95 Calling Up the Overview for Instantaneous Values entro peo bep EU CH 7 9 5 Calling Upihe Even tne cte ia et DOR DUAE aM M 71 Function Description P
135. sult those parameters and instantaneous values belonging e g to one process or one hardware component are grouped A part of a name can consist of several acronyms which together describe what the parameter or instantaneous value represents The names are organized according to a tree structure The main module acronyms are explained below Module acronym Description Cnt Energy meter for different instantaneous values DcMs Monitoring of the DC values Frt Parameters for grid support GriMng Parameters for grid management services GriMs Monitoring of the utility grid HzCtl Parameters for monitoring the power frequency InvMs Monitoring of the AC values in the inverter Mpp Parameters for MPP tracking PFCHW Parameters for power dependent reactive power control User Manual C1850 2200 US BA Q4 en 12 109 12 Appendix SMA Solar Technology America LLC Module acronym Description VArCIlVol Parameters for voltage dependent reactive power control Parameters for monitoring the grid voltage WCIlHz Parameters for frequency dependent active power control 12 4 Information on Data Storage The internal memory of the inverter can store the following dato Type of data Memory size Events 10 000 entries in the ring buffer Measured values Max 1 000 data points per second The communication interface is delivered with a permanently installed CF memory card Updates events measured values and e
136. sword the User pieni ped Uds ioa lotus idi mae 49 67 Display Measured UDINE R E ROG M RUE 49 6 7 1 Displaying Measured Values in the Components View sss 49 6 7 2 Displaying Measured Values in the Detail Analysis seen 50 lo Ha od cpm el 51 6 8 1 Search based onthe ID Number ettet teinte e i e oe e He SERE HR ARA 51 6 8 2 Targeted Search tentent tete tete treten tentent teres in 51 0 95 Creating Favorites ue et ete URINE BERLIN EIE ESAE RE GIU EE 5 6 10 Using Parameters to Activate and Deactivate the Inverter Standby ssssseee 51 TEM Ug iHi 52 GAZ meth partea topic 52 6 13 Adjusting Network 53 6 14 Registering the Inverter in Sunny Portal sse tenete tnter tenente tnnt 53 55 Zo Sofety during 55 7 2 Acivating Alert in the Event of a Fault RUE M Ub EHE 55 7 3 Displaying Disturbance Messages 55 User Manual SC1850 2200 US BA Q4 en 12 7 Table of Contents SMA Solar Technology America LLC 10 8 7 4 Acknowledging Disturbance saei dat boa gre ed E Ere tn 7 4 1 Acknowledging Disturbance Me
137. tantaneous Values You can activate a detailed view for each instantaneous value In the detailed view the instantaneous value is displayed in a separate strongly magnified window This enables the value to be read off from a distance e g during maintenance work LJ You can open several detailed views simultaneously The window size can be adjusted and the windows can be arranged at random on the screen 4 4 8 Detailed Analysis In the detailed analysis the recorded instantaneous values can be represented in the diagram over various time periods The number of available instantaneous values depends on the role for which you are logged in ENERGY SMA Sunny Central 9 no 5015 ta g out THAT CHANGES h Analysis m External devices Events x 7 DC side Inverter Spot values Detailed analysis Week Month vear 26 06 2015 Select spot values for axes 02 00 B Bl ios B Serial number 252 E User Installer Firmware version 1 04 02 R Date 26 06 2015 11 13 52 Figure 11 Page Detail analysis of the user interface example Position Explanation A Allocation of instantaneous values to the two Y axes Any number of instantaneous values having the same physical unit can be allocated to each of the Y axes If instantaneous values have been allocated to each Y axis and a further in stantaneous value with a third physical unit is selected an error message is generated
138. targeted search 4 6 Events All events and disturbances which have occurred are listed in the Events list SMA Sunny Central 9 c External devices Bi C Parameter 4553 has been changed 27 03 2015 10 29 14 621 Figure 12 Events dialog Position Explanation A Search field for targeted search of events The search function refers to the column Event B Selection of the day the events of which are to be displayed in the center of the list The list continues above and below this central area User Manual SC1850 2200 US BA Q4 en 12 33 A User Interface SMA Solar Technology America LLC Position Explanation Reset of the filter configured in the event list D List of events For each event the following information is displayed Source Indication of the device in which the event was generated Type The event type is represented by symbols Category Detailed localization of the event at the given source Code The event number serves as an orientation aid for Service e Event Description of the event Time Time of occurrence of the event The type of event can be recognized by the displayed symbol Symbol Explanation An event of subordinate priority e g a parameter change or user login has occurred in the inverter Events of this type do not influence feed in operation A warning has occurred in the inverter Warnings do not influence the inverter
139. tchgear In Q on Demand operation the inverter starts feeding in reactive power when there is no PV power available e g at night 10 1 8 GridFeed In the operating state GridFeed the inverter feeds in active power and reactive power in accordance with the requirements The inverter operates permanently at the Maximum Power Point MPP The current feed in values can be read off from the display If the AC power generated by the inverter falls below the minimum feed in power of 10 kW the inverter switches to the operating state Standby Inverters with the order option on Demand switch to the operating state Q on Demand If a grid voltage dip occurs in the utility grid the inverter switches from the operating state GridFeed to the operating state FRT If the start stop key switch S1 has been set to Stop the inverter switches to the operating state RampDown 10 1 9 Q on Demand With the order option on Demand the inverter can provide reactive power in order to stabilize the utility grid during non feed in operation e g at night or to compensate for reactive power in the PV power plant This function is independent of normal feed in operation In the operating state on Demand only limited dynamic grid support is available If the AC power generated by the inverter falls below 10 kW the inverter switches from feed in operation to on Demand operation The inverter feeds in reactive power in accordance
140. ternal connection ofan 30s 1 Contact SMA Service Line assembly 6405 Overvoltage in the DC link of the 30s 5 xin Contact SMA Service Line inverter bridge S2 6422 Inverter bridge in undefined state 30s 5 Contact SMA Service Line 6423 Error temperature of MV trans 30s 30s Check the MV transformer former is too high Disconnection limit exceeded Inverter stops feed in operation 6440 Hermetic protection oil level of 30s Smin Check the MV transformer the MV transformer no longer as sured 60 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 7 Troubleshooting Error no Explanation Inverter behavior Corrective measures 1 2 R 6456 Pre charging circuit of DC link is 5 5min Contact SMA Service Line defective 6479 Data of coding plug is inconsis Q Q Contact SMA Service Line tent 6480 Coding plug is not plugged inor Q Q Contact SMA Service Line not readable 6481 Coding plug is defective Q Q Contact SMA Service Line 6482 Storage area in coding plug is de Q Q Contact SMA Service line fective 6484 Invalid firmware version found Q Q Contact SMA Service Line 6485 Hermetic protection gas fill level 5 min 5 min Check the MV transformer of the MV transformer is no longer assured 6502 Temperature of inverter bridgeis 30s 30s Check function of the fans too high Clean the
141. the AC voltage Additionally required material not included in the scope of delivery 1 padlock Diameter of the shackle 5 mm to 8 mm 0 2 in to 0 3 in Procedure 1 Switch off the inverter see Section 5 3 1 page 42 2 Turn the load break switch of the AC disconnection unit Q63 on the inverter to the OFF position 3 4 Hook a suitable padlock into the bracket and lock it This will ensure that the switch lever cannot reconnect Pull the bracket out of the switch lever inadvertently Open the load break switch of the circuit breaker panel of the medium voltage switchgear Close the grounding switch of the circuit breaker panel of the medium voltage switchgear 7 Attach magnetic signs indicating the name of the duly authorized person to the circuit breaker panel User Manual C1850 2200 US BA Q4 en 12 45 5 Disconnecting and Reconnecting SMA Solar Technology America LLC 5 5 Reconnecting the MV Transformer i Connecting and disconnecting the AC voltage Only a duly authorized person trained in electrical safety is allowed to connect and disconnect the AC voltage Procedure 1 Remove the magnetic signs indicating the name of the duly authorized person from the circuit breaker panel Open the grounding switch at the circuit breaker panel of the medium voltage switchgear Close the load break switch on the circuit breaker panel of the medium voltage switchgear Remove the padlock from the bra
142. the inverter does not contain a managed switch the inverter can be integrated in a PV system with single feeders Communication system A LAN 2 SUNNY CENTRAL Copper Figure 41 Inverter without managed switch If the inverter without managed switch is to be integrated in a customer communication system a switch can be installed in the customer installation location 98 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description H GEE CUSTOMER SYSTEM LAN 2 Ll SUNNY CENTRAL Copper Optical fiber Figure 42 Inverter with customer communication system In order to guarantee the implementation of control commands the network that manages the control should be kept free from applications with a high network load e g webcams Using a separate network is recommended to implement data heavy applications For a stable transmission of Modbus protocols the frequency of the Modbus requests may not exceed 1 100 ms User Manual C1850 2200 US BA Q4 en 12 99 11 Instantaneous Values and Parameters 11 Instantaneous Values and Parameters 11 1 Instantaneous Values 11 2 Parameters SMA Solar Technology America LLC No Name Value range Default value 305 DclVolSpt OV to 2 000 V 850V 306 GriCod DE BDEW US IEEE1547 US ERCOT US HECO US NERC US WECC US IESO
143. the power frequency Parameters Explanation Default value HzCtlOpMaxNom Frequency threshold for the upper connection limit of frequency moni 60 50 Hz toring Frequency threshold the lower connection limit of frequency moni 59 30 Hz toring 76 C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description Parameters Explanation Default value HzCtl Hil Lim First threshold for overfrequency 65 00 Hz LimnTm Time lapse for the first threshold for overfrequency 160 ms HzCtl Hi Lim Threshold of the second to fifth level for overfrequency 65 00 Hz HzCtl Hi LimTm Time lapse for the second to fifth threshold for overfrequency 10 000 ms HzCtl Lo Lim First threshold for underfrequency 57 00 Hz HzCtl Lo1 LimTm Time lapse for the first threshold for underfrequency 160 ms HzCtl Lo2 Lim Threshold of the second level for underfrequency 57 00 Hz HzCtl Lo2LimTm Tripping time for the second threshold for underfrequency 160 ms HzCtl Lo LimTm Threshold of the third to fifth level for underfrequency 55 00 Hz HzCtl Lo LimTm Time lapse for the third to fifth threshold for underfrequency 10 000 ms n this parameterization the thresholds are deactivated Monitoring of the Power Frequency for Overfrequency and Underfrequency in Accordance with IEEE 1547 i Termination of the operating license if setting values are changed The thresholds for the
144. the same page number each user will see the same screen Log in Login as user installer service partner or SMA Service with password entry The number of silhouettes visible indicates how many users are logged into the user interface In the list of pos sible users the number of users logged in for each role is displayed The role User is always logged in Main navigation The selected menu item is color highlighted Symbol Designation n Arrow buttons Description The left arrow takes you back one page at a time if several pages are already activated Once you have gone back at least one page the right arrow is activated and will take you forward one page at a time LJ To navigate to the previous or next page use the ar row buttons of the web browser Home Fast overview of system status For each component of the PV power plant the key in stantaneous values and the status of the assemblies and switches are displayed User Manual S C1850 2200 US BA Q4 en 1 2 23 A User Interface Symbol Designation A Analysis SMA Solar Technology America LLC Description Switches to the analysis area of the user interface see Section 4 4 page 26 Detailed information on the following areas DC side Inverter AC side Utility grid Instantaneous values Detailed analysis E External devices Overview of the connected external devices see Sec tion 4 5 page 33
145. the utility grid and opens the AC disconnection unit and the DC switchgear Then the inverter switches to the operating state ShutDown 10 1 12 ShutDown Once the inverter has disconnected from the utility grid in the operating state RampDown all capacitors are discharged Then the inverter switches to the operating state Stop 10 1 13 Error If an error has occurred in the inverter or the MV transformer or the fast stop key switch 52 was pressed the AC disconnection unit and the DC switchgear are opened immediately the inverter disconnects from the utility grid and switches to a safe state In this state the capacitors remain charged When the inverter switches to the operating state Error following an error the error must be acknowledged Then the inverter switches to the operating state Stop Depending on the type of error the error must be rectified and acknowledged manually or the error will automatically be acknowledged after an error dependent time period When the inverter switches to the operating state Error after the fast stop key switch 52 was pressed the fast stop key switch 52 must be switched on again manually Then the inverter switches to the operating state Stop 10 1 14 Diag To guarantee the safety of the inverter the inverter cycles through a diagnosis test periodically It is being checked whether the safety devices function properly 10 1 15 FRT If a disturbance occurs in the utility grid while
146. to the operat ing state Stop In this case the inverter disconnects from the utility grid and opens the AC disconnection unit and the DC switchgear Parameters The inverter can be switched to the operating state Standby via the parameter RemRdy In this case the inverter bridges are opened and feed in is interrupted The AC disconnection unit and the DC switchgear remain closed The inverter can be switched to the Stop operating state via the parameter In vOpMod When this happens the AC disconnection unit and the DC switchgear open External standb The inverter can be switched to the Standby operating state via an external sig 9 9 nal In this case the inverter bridges are opened and feed in is interrupted The AC disconnection unit and the DC switchgear remain closed The inverter can be switched to the Stop operating state via a digital signal When this happens the AC disconnection unit and the DC switchgear open External fast stop The faststop function can be tripped on the inverter via a digital signal The in verter switches immediately to the operating state Stop In this case the inverter disconnects from the utility grid and opens the AC disconnection unit and the DC switchgear 10 2 1 2 Mode of Operation of the External Fast Stop The inverter comes equipped with a fast stop input at terminal X440 1 3 The following options are available for configuring the external fast stop External
147. using two setpoints 86 S C1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 10 Function Description Figure 31 Principle of Active Power Limitation The inverter receives external specifications for the active power in parameter GriMng WMod The following specifications can be set via this parameter Off The inverter does not control the active power via external specifications WCilMan Parameters that are entered via the user interface e WCilCom Specifications of the electric utility company that are transmitted via Modbus protocol Ripple control signals via the analog inputs of the inverter The inverter processes the external setpoints when the intervals between data transmissions are greater than 50 ms The inverter can start the specified active power feed in using a ramp This means that the inverter gradually increases the ratio of feed in power per second by the value set in the parameter WGra The ramp is activated and deactivated in the WGraMod parameter At the same time the inverter processes the specifications that were set on the inverter for the frequency dependent active power limitation via the parameter WCtlHzMod Following a grid error the inverter starts to feed in power with the ramp set up in the parameter WGraRecon The inverter control internally compares the specifications for reducing the active power and generates the output value for the active power reduction using the smaller valu
148. ve Power Limitation via Pardrmelers 2 2 pere he Ee re ER Redit eire bnt 103 3 Reactive de EG 10 3 3 1 Principle of Reactive Power Control teet e ent ee eee ep 10 3 3 2 Reactive Power Control via Parameters 10 3 4 Inverter Behavior in Case of Communication Disturbances sese 194 Grid Management n Ud uS Kd En a ad TOUT tarbUp Behaviorc sso reete rn eie iate americana dettes TOATLT StarkUprin orci tert c REI tette ttes e e e e Unio e REA 10 4 1 2 StartUp after Grid Fault 10 4 2 Dynamic Grid Support FRT seen tenente tentent easa 10 4 2 1 Principle of Dynamic Grid Support tette treten ten 10 4 2 2 Complete Dynamic Grid Supports sott hr nre ere bri percer Un e HERE Geste 10 4 23 limited Dynamic Grid Support ie ceti t ei leet PR eoe e e ied TC ibo e HR 10 4 3 Active Power Limitation Depending on Power Frequency Procedure 2 10 4 4 Reactive Power Control as a Function of Grid Voltage VArCtlVol Mode sss 10 4 5 Reactive Power Control as a Function of Active Power PFCIIW Mode see TOS Communic
149. vels 1 and 2 User Manual C1850 2200 US BA Q4 en 12 57 7 Troubleshooting SMA Solar Technology America LLC Waiting time In case of an error the inverter switches to the operating state Disturbance and opens the AC disconnection unit and DC switchgear The inverter does not feed into the grid for the defined waiting time The waiting time specifies how long the inverter will be prevented from feeding into the utility grid Once the waiting time has elapsed the inverter checks whether the cause of the disturbance has been remedied If the cause of the disturbance still exists after the waiting time has expired or the disturbance has been acknowledged the inverter remains in the operating state Disturbance Waiting for acknowledgement The inverter switches to the operating state Disturbance and opens the AC disconnection unit and DC switchgear The inverter does not feed in until the disturbance is acknowledged Day change The inverter switches to the operating state Disturbance and opens the AC disconnection unit and DC switchgear The inverter does not feed in The disturbance is automatically reset after a day change or it can be acknowledged once the cause has been eliminated Warning A warning does not affect inverter behavior Once the cause of the disturbance has been rectified and the disturbance is no longer displayed it is deleted from the fault memory To view previous disturbances after they have be
150. ways perform all work on the product in compliance with the regulations specified in 29 CFR Chapter XVII Part 1910 OSHA NEC and NFPA 70E Do not touch any live components Observe all warning messages on the product and in the documentation Observe all safety information of the module manufacturer The product must not be operated with open covers or doors Danger to life due to electric arc if there are tools inside the product When reconnecting or during operation an electric arc can occur if there are tools in the product creating a conductive connection between the live components This can result in death or serious injury Before commissioning or reconnection verify that no tools are inside the product User Manual C1850 2200 US BA G4 en 12 65 9 Periodic Actions SMA Solar Technology America LLC Danger of crushing and collision when carelessly working on the product Carelessly working on the product could result in crushing injuries or collisions with edges Wear personal protective equipment for all work on the product Risk of injury when using unsuitable tools Using unsuitable tools can result in injuries Ensure that the tools are suitable for the work to be carried out Wear personal protective equipment for all work on the product NOTICE Property damage due to rupture of grounding conductors The components are connected to the inverter via the grounding conduct
151. wer factor on the characteristic curve PFCtIW WRef2 Second reference point of the active power on the characteristic curve PFCtIW PFRef2 Second reference point of the displacement power factor on the characteristic curve User Manual C1850 2200 US BA Q4 en 12 95 10 Function Description SMA Solar Technology America LLC Parameter Description PFCtIW WRef3 Third reference point of the active power on the characteristic curve PFCtIW PFRef3 Third reference point of the displacement power factor on the characteristic curve PFCtIW WRef4 Fourth reference point of the active power on the characteristic curve PFCtIW PFRef4 Fourth reference point of the displacement power factor on the characteristic curve PFCHW WRef5 Fifth reference point of the active power on the characteristic curve PFCtIW PFRef5 Fifth reference point of the displacement power factor on the characteristic curve 10 5 Communication 10 5 1 Communication Network in Cluster Ring with One Managed Switch To set up a redundant network with several devices a managed switch must be present in the inverter Figure 37 Inverter in cluster ring PV SYSTEM MONITORING The managed switch provides the option to set up a network with optical fibers via LAN 2 and to connect a customer communication system to the terminal LAN 2 Port 4 A connection of two ports of the managed switch to a splice box has been facto
152. with the parameter settings Since this status can also occur during the day the DC switchgear remains closed at first in order to avoid unnecessary switching cycles of the DC switchgear If the inverter is Q on Demand operation for one hour or no active power is fed in the DC switchgear opens The inverter continues to feed in reactive power While the inverter is feeding in reactive power the inverter monitors whether the conditions for active power feed in are met Once the feed in requirements are met the inverter closes the DC switchgear and switches to the operating state GridFeed By default the amount of AC active current is set to 100 A to protect the PV array User Manual SC1850 2200 US BA Q4 en 1 2 73 10 Function Description SMA Solar Technology America LLC 10 1 10 Standby When the measured inverter power is below the minimum feed in power of 10 kW and the inverter should not change to on Demand operation the inverter interrupts the grid feed in The AC disconnection unit and the DC switchgear remain closed Depending on the configuration of the inverter the inverter remains in this state or it switches via the ConnectAC operating state to the WaitDC operating state after a while When switching to the ConnectAC operating state the inverter opens the DC switchgear 10 1 11 RampDown If the start stop key switch S1 has been set to Stop the inverter reduces its power to below 100 kVA disconnects from
153. xport files for example can be stored on the CF memory card 2 GB are ovailable for this 12 5 Reaction Speed of the Modbus Control In order to meet the specifications of the electric utility company the inverter must observe a particular reaction speed when implementing control commands via Modbus Figure 43 Reaction speed of the Modbus commands in the inverter The reaction time T 44 is the time that the inverter requires to change the power on the AC side of the inverter by ten percent towards the new output value after having received a Modbus control command The ten percent refer to the difference between the old and the new output value 110 SC1850 2200 US BA Q4 en 12 User Manual SMA Solar Technology America LLC 13 Contact 13 Contact If you have technical problems with our products please contact the SMA Service Line We need the following information in order to provide you with the necessary assistance Device type Serial number Type and number of PV modules connected Type of communication Error number and error message United States SMA Solar Technology Toll free for USA Canada and Puerto Rico Llamada gratuita en EE Estados Unidos America LLC UU Canad y Puerto Rico 1 877 MY SMATech 1 877 697 6283 International Internacional 1 916 625 0870 Canada SMA Solar Technology Toll free for Canada gratuit pour le Canada Canada Canada Inc 1 877 MY SMATech 1 877 697 6283 Mississ
154. y switch 1 to Start User Manual C1850 2200 US BA Q4 en 12 47 6 Operation SMA Solar Technology America LLC 6 Operation 6 1 Safety during Operation NOTICE Operation failure of the PV power plant due to incorrectly set parameters If the parameter settings for grid management services are incorrect the PV power plant may not be able to meet the requirements of the grid operator This can involve yield losses and the inverter may have to be disconnected by the grid operator When setting the modes of grid management services ensure that the control procedures agreed with the grid operator are parameterized e Ifthe inverter is operated with a Power Plant Controller ensure that the mode for active power limitation and the mode for reactive power control are selected in the inverter via the Modbus protocol i Ensuring accessibility of the inverter via Sunny Portal During operation the inverter transmits inverter data to Sunny Portal and if a disturbance occurs it generates a message which is sent to the configured e mail address If Sunny Portal cannot be accessed from the inverter only limited monitoring of the PV system will be possible Ensure that the inverter can be accessed via the IP address Ensure that proxy use in the parameters is configured in accordance with the specifications of the system network Ensure that the parameters for communication between the inverter and Sunny Portal are corre
155. y the gas springs 2 To secure the hatch fold down the safety rod from the hatch and secure it in the holder 3 Open the door locks with a square key wrench Lightly press against the door Closing hatches Requirement Protective covers must be mounted see Section 9 1 2 page 67 Procedure 1 Remove the safety rod from the holder and secure it in the spring holders in the hatch 2 Press the hatch down 3 Close the locks of the hatches and the door with a square key wrench Lightly press against the hatch or door 9 3 Logging Into the User Interface Prior to performing any work you must log into the user interface with your given user role The following roles are available user installer service partner and SMA Service 70 C1850 2200 US BA G4 en 12 User Manual SMA Solar Technology America LLC 9 Periodic Actions If you are logged in as installer you can change to the role of user at any time without entering a password The next time you log in as installer you will need to enter the password again the touch display you always logged as User On the Login page not only the relevant login fields but also the instantaneous values for power daily yield previous day yield and total yield are displayed Procedure 1 Call up the user interface with the corresponding IP address Useful hint The IP address of the service interface is 192 168 100 1

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