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User Manual - SUNNY CENTRAL 500CP-JP / 630CP-JP / 800CP-JP

1. Figure 6 GFDI in the Sunny Central Position Designation A GFDI 22 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 3 Product Description 3 7 2 2 Remote GFDI Depending on the order option ground fault monitoring in the Sunny Central can 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 K type circuit breaker with adjustable operating current The Remote GFDI is integrated in the Sunny Central and connected between an input busbar and the grounding busbar Figure 7 Remote GFDI in the Sunny Central If the Remote GFDI triggers initially a temporary error will be assumed and a motor drive will close the Remote GFDI after a defined delay No external switch
2. Figure 9 Insulation monitoring device in the Sunny Central A measuring circuit and a relay with a change over contact are integrated in the insulation monitoring device The insulation monitoring device is connected between the PV voltage and the grounding conductor The contacts of the relay are routed to the connection area and can be used to trip a signal light or siren The characteristics of the relay are indicated in the circuit diagram If the insulation resistance falls below the warning threshold specified in the RisoCtlWarn parameter the measuring circuit closes and the LED ALARM1 on the insulation monitoring device lights up The error message 3601 Warning insulation error is generated by the inverter Simultaneously the insulation monitoring device activates the relay with changeover contact This relay is integrated in the Sunny Central If the insulation resistance falls below the error threshold 1 kQ an insulation error has occurred and the LEDs ALARM1 and ALARM2 on the insulation monitoring device light up In this case the operating behavior of the inverter can be set via parameters as follows Ifthe parameter IsoErrlgn is set to Off the measuring circuit issues a disturbance when the insulation resistance falls below the error threshold the Sunny Central switches off and issues the error message 3501 Insulation error The LEDs ALARM1 and ALARM2
3. PF PF Displacement power factor cos p The lower limit is defined by the parameter PFAbsMin 0 5 to 1 The parameter should not fall below 0 8 in normal operation PF PFExt PF PFStr Excitation of the displacement power factor cos p Displacement power factor cos p at characteristic curve point 1 The lower limit is defined by the parameter PFAbsMin OvExt Lagging OvExt UnExt 0 5 to 1 Leading The parameter should not fall below 0 8 in normal operation 0 9 PF PFExtStr Excitation of the displacement power factor cos at characteristic curve point 1 OvExt Lagging OvExt UnExt Leading PF PFStop Displacement power factor cos at characteristic curve point 2 The lower limit is defined by the parameter PFAbsMin 0 5 to 1 The parameter should not fall below 0 8 in normal operation 0 9 PF PFExtStop PF WStr Excitation of the displacement power factor cos p at characteristic curve point 2 Specification of feed in power in at characteristic curve point 1 OvExt Lagging OvExt UnExt 0 to 90 Leading 0 PF WStop User Manual Specification of feed in power in at characteristic curve point 2 10 to 100 SCCP JP BA A4 en 1 2 100 91 12 Parameters SMA Solar Technology AG Name Description Value range Explanatio
4. Detecting Sunny String Monitors via the Sunny Central String Monitor Controller i Detecting the Sunny String Monitors may take several minutes It may take several minutes to detect the Sunny String Monitors depending on the number of devices and how far apart they are Procedure 1 Select the Parameters tab Set the parameter DevFunc to AutoDetect_SSMU Confirm the entry with Save Select the tab Instantaneous values Select SSMUNoOf and check the number of detected Sunny String Monitors If all Sunny Central String Monitors have been detected detect the Sunny Central String Monitors with the SC COM If only some of the Sunny Central String Monitors have been detected use the Sunny Central String Monitor Controller to re detect them nA A 0 N Re detecting the Sunny String Monitors via the Sunny Central String Monitor Controller 1 Select the Parameters tab 2 Set the parameter DevFunc to DetectSSMURetry 3 Confirm the entry with Save 4 Select the tab Instantaneous values 5 Select SSMUNOOf and check the number of detected Sunny String Monitors Once all Sunny String Monitors have been detected detect them with the SC COM If only some of the Sunny String Monitors have been detected contact the SMA Service Line User Manual SCCP JP BA A4 en 1 2 41 6 Communication with the Inverter SMA Solar Technology AG Detecting the Sunny String Monitors via SC COM 1 Select Data gt Detection 2 In the field Total
5. Procedure e Detect the Sunny Central String Monitor Controller and the Sunny Central e Set date and time e Detect the Sunny String Monitors via the Sunny Central String Monitor Controller e Redetect the Sunny String Monitors via the Sunny Central String Monitor Controller e Detect the Sunny String Monitors via the SC COM e Adjust the identification of the Sunny String Monitors 40 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 6 Communication with the Inverter Detecting the Sunny Central String Monitor Controller and the Sunny Central 1 Log into the user interface 2 Detect the Sunny Central and the Sunny Central String Monitor Controller Select Data gt Detection In the field Total number of devices to be detected enter 2 Select Start detection M The SC COM starts detection of all devices and displays the detection progress Once all devices have been detected the SC COM displays Device detection finished E The devices have now been detected Setting the Date and Time of the Sunny Central String Monitor Controller 1 Select Data gt Devices 2 Select E M A list of the existing device types appears 3 Select Sunny Central String Monitor Controller 4 Select the tab Instantaneous values 5 Make sure that the date SysDt and time SysTm of the Sunny Central String Monitor Controller are correct If the settings are incorrect change the parameters Dt and Tm see Section 6 2 page 40
6. Qmax 8 2 1 7 Reactive Power Setpoint via Standard Signal VArCnstNomAnIn Mode The reactive power setpoint is set via an analog signal at the input terminals for setpoint specification see Sunny Central installation manual This is usually implemented by a ripple control signal The analog value is converted into a reactive power setpoint The electrical current strength of the connected signal determines the setpoint The analog measured values must be between 4 mA and 19 mA If the analog signal is less than 2 mA an error message will be displayed in the instantaneous value QVArModFailStt see Section 8 2 2 page 63 Signal Power limit Description lt 2mA Last valid mean value or Signal is in the invalid range O kVAr after restart 2 mA to 4 mA Pmax The maximum amount of negatively excited reactive power is fed in AmA Pmax Start point of the characteristic curve The maximum amount of negatively excited reactive power is fed in 11 5 mA O kVAr Zero crossing of the characteristic curve No reactive power is fed in gt 19 mA Pmax End point of the characteristic curve The maximum amount of positively excited reactive power is fed in The analog value is converted to a setpoint for power limitation Here the Qmax parameter forms the end point of the linear characteristic curve User Manual SCCP JP BA A4 en 1 2 55 8 Power Control SMA Solar Technology AG Via 4 11 5 19 mA Figure 19 Limitati
7. The SC COM collects all data from the connected devices The SC COM enables monitoring parameterization and remote diagnosis of the Sunny Central via computer as well as power control by the grid operator The various tasks performed by the SC COM can be split into two separate networks e Monitoring network This network is used for monitoring parameterization and remote diagnosis Control network This network is used by the Power Reducer Box or Power Plant Controller to transmit grid management specifications issued by the grid operator to the Sunny Central The use of the control network exclusively for grid management services ensures that the setpoints will always be transmitted and implemented within the specified time period If only a low data transfer rate is required for monitoring the PV system the grid operator instructions can also be transmitted via the monitoring network In this case only one network is required The SC COM makes all the collected data available to the PV system operator via an Ethernet connection Copper cables or optical fibers can be used for the networks i Type of communication of the PV system The interface of the SC COM is set by default to COM3 and the baud rate to 119 200 Do not modify these settings User Manual SCCP JP BA A4 en 1 2 19 3 Product Description SMA Solar Technology AG 3 4 Sunny Central String Monitor Controller Depending on the order option the Sunny Central may be equipp
8. You can read off the version number of the Sunny Central and touch display firmware via the user interface You can also read off the version number of the touch display firmware on the touch display Symbols on the Product and on the Type Label All symbols on the Sunny Central and the type label are explained below Symbol Designation Explanation C CE marking The product complies with the requirements of the applicable EU directives O Protection class All electrical equipment is connected to the protective conductor system of the product N Degree of protection IP54 The product is protected against interior dust deposits and splashing water from all angles Beware of a danger zone This warning symbol highlights a danger zone Be particularly vigilant and cautious when working on the product Beware of dangerous voltage The product operates at high voltages All work on the product must be carried out by qualified persons only Beware of hot surface The product can get hot during operation Avoid contact during operation Allow the product to cool down sufficiently before carrying out any work Wear personal protective equipment such as safety gloves Use hearing protection The product generates loud noises When working on the product wear hearing protection eo PPP User Manual SCCP JP BA A4 en 1 2 15 3 Product Description Symbol Observe the documentation Designation Explanation SMA S
9. adopted threshold monitoring device and wiring OK 6501 Internal temperature in 30 s 1 min e Check function of fans Sunny Central too high Clean tans 6502 Temperature at inverter bridge too 30s 1 min e Clean clogged fan inlets and high ventilation plates 6508 Outside temperature too high 30 s 1 min 6605 Fast stop tripped due to 30 s 1 min e Contact the SMA Service Line overtemperature 7001 Cable break or short circuit at W W e Check wiring of temperature 7002 Sunny Central temperature sensor W W sensor e Contact the SMA Service Line 7004 W W 7006 W W 7501 Interior fan defective W W e Check function of fans 7502 W W e Clean fans 7503 Inverter bridge defective W W Clean clogged fan inlets and ventilation plates 7507 Motor protective circuit breaker of W W fan has tripped 82 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG Error no Explanation Behavior of the Sunny Central 10 Troubleshooting Corrective measures 1 2 7600 Communication between touch W W e Check cabling between touch display and SC COM interrupted display and SC COM Error number appears on display e Contact the SMA Service Line only 7601 Internal Sunny Central error 30 s 1 min e Contact the SMA Service Line 7602 Internal communication error or 30 s 1 min 7605 missing communication 305 Tmin 7704 Faulty switching status of DC 30s Q e When disconnecting the disconnection unit Sunny Central from
10. lt 2mA Last valid value or 1 after Signal is in the invalid range restart 2 mA to 4 mA PFAbsMin The maximum amount of negatively excited reactive power is fed in underexcited AmA PFAbsMin Start point of the characteristic curve underexcited Maximum amount of negatively excited reactive power is fed in 11 5 mA 1 Zero crossing of the characteristic curve No reactive power is fed in 56 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 8 Power Control Signal Power limit Description gt 19 mA PFAbsMin overexcited End point of the characteristic curve Maximum amount of positively excited reactive power is fed in The analog value is converted into a setpoint for the displacement power factor cos p Here the parameter PFAbsMin is the starting and end point of the linear characteristic curve 8 2 1 10 Displacement Power Factor cos p as a Function of Feed In Power PFCtlW Mode With the PFCtlW mode the displacement power factor cos is set as a function of feed in power The dependency is depicted by a configurable characteristic curve The characteristic curve can be configured as rising or falling The start and end points of the characteristic curve can be set via parameters Leading PF PFStop PF PFExtStop PF WStr Current active power gt PF WStop PF PFStr PF PFExtStr Lagging Figure 20 Characteristic curve for reducing reactive power as a function of active power On the basis of
11. 000 ms VCtlCharEna Activation of dynamic Off On undervoltage detection On VCtlCharTm Start time of dynamic O ms to 77 ms undervoltage detection 1 000 000 ms VCtIMax Threshold for overvoltage release 100 to 150 0 level 3 VCtlMaxTm Tripping time for overvoltage O ms to 0 level 3 1 000 000 ms 98 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 12 Parameters Name Description Range Explanation Default value VCtlhhLim Threshold for overvoltage release 100 to 150 130 level 2 VCilhhLimTm Tripping time for overvoltage O ms to 100 s level 2 1 000 000 ms VCtlhLim Threshold for overvoltage release 100 to 150 110 level 1 VCtlhLimTm Tripping time for overvoltage O ms to 500 s level 1 1 000 000 ms VCtllLim Threshold for undervoltage 0 to 100 80 release level 1 VCtllLimTm Tripping time for undervoltage O ms to 1 000 s level 1 1 000 000 ms VCtillLim Threshold for undervoltage 0 to 100 45 release Level 2 VCtillLimTm Tripping time for undervoltage O ms to 300 s level 2 1 000 000 ms VCtlMin Threshold for undervoltage 0 to 100 0 release level 3 VCtlMinTm Tripping time for undervoltage O ms to 0 level 3 1 000 000 ms VCtlPeakMax Threshold for overvoltage 120 to 150 134 VCtlPeakMaxTm Tripping time for overvoltage O ms to 20 ms 1 ms VCHOpMinNom Minimum connection voltage 0 to 100 90 VCHOpMaxNom
12. 2 3 Status Values Name Description Error Error detected by the Sunny Central String Monitor Controller Mode Operating state of the Sunny Central String Monitor Controller ParaCfg Error in parameterization of monitoring time detected SSMUWrnTxt Warning message 88 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 11 Instantaneous Values 11 3 Sunny String Monitor 11 3 1 Instantaneous Values Name Description IString 1 Mean current value of string 1 over the last 30 seconds mean value exists for all eight measuring channels 11 3 2 Internal Device Values Name Description Alarm contact 1 Status of alarm contact 1 Alarm contact 2 Status of alarm contact 2 Network address Network address of the Sunny String Monitor Serial number Serial number of the Sunny String Monitor 11 3 3 Status Values Name Description Error Error detected by the Sunny String Monitor Status Operating status of the Sunny String Monitor User Manual SCCP JP BA A4 en 1 2 89 12 Parameters 12 Parameters 12 1 Sunny Central 12 1 1 Power Limitation SMA Solar Technology AG Name Description Value range Explanation Default value Plimit Nominal device power O kW to 500 kW SC 500CP JP 500 kw O kW to 700 kw SC 630CP JP 700 kw O kW to 880 kw SC 800CP JP 880 kw Pmax Limitation ofthe nominal O kW to 500 kw SC 500CP JP 500 kw a O KW to 700kW SC 630CPJP 700 kW
13. AAA AA R ees 100 12 1 4 Insulation Monitoringni enop r aa dd ovate Seal E aa EEE eae hte 101 1 2 1 5 Internal Device Values n tt E A ad EREA ee 101 12 2 Sunny Central String Monitor Controller 32 5 cis otek ss Be Sisal oh vue eee 103 12 3 Sunny Siring Monitor a A he le a eel 105 E OS OS 107 6 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 1 Information on this Document 1 Information on this Document Validity This document is valid for the following device types as of OCU firmware version 01 60 00 R and DSP firmware version 01 60 00 R e SC 500CP 10 JP Sunny Central 500CP JP e SC 630CP 10 JP Sunny Central 630CP P e SC 800CP 10 JP Sunny Central 800CP JP The production version is indicated on the type label The firmware version can be read out via the user interface This document describes the operation of the Sunny Central and troubleshooting Diagrams in this document are reduced to the essential and may deviate from the real product Target Group This document is intended for qualified persons Only persons with the appropriate skills are allowed to perform the tasks described in this document see Section 2 3 Skills of Qualified Persons page 1 2 Additional Information Links to additional information are available at www SMA Solar com Document title Document type Important Information on Transportation and Installation for SUNNY CENTRAL 500CPJP Technical Information 630CP JP 800CP JP Important
14. Description Select this symbol to go back to the previous page Homepage Select this symbol to go to the homepage Settings Select this symbol to access the following symbols Language selection 7 Brightness setting Time setting EP Format selection e A Password entry Information Select this symbol to see the following information e OS version of the operating system e App version of the application software e Language selected language e Ser No Serial number of the Sunny Central Al Error This symbol appears when an error occurs The symbol is displayed once in the symbol for the section of the PV system where the error has occurred and again in the menu bar Select this symbol from the menu bar to see the following data e ErrNo error number e TmsRmg time until reconnection e Msg error message e Dsc corrective measure Service The telephone symbol appears when you are advised to contact the SMA Service Line The tool symbol appears when you are advised to have the error corrected by your installer Contact your installer 4 3 Selecting the Language 1 Select EY 2 Select E 3 Use the country symbol to select the language 4 Confirm your entry by selecting FA 36 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 4 4 Changing the Date Time and Time Zone i SC COM adopts changes The SC COM will accept date time or time zone
15. Hzto 50Hz For 50 Hz grid 49 5 Hz 55Hzto 60Hz For60 Hz grid 59 4 Hz HzCtlOpMax Maximum connection frequency 50Hzto55Hz For 50 Hz grid 50 5 Hz 60 Hz to 65 Hz For 60 Hz grid 60 6 Hz HzCtlOpMaxRecon Maximum connection frequency 50 Hz to 55 Hz For 50 Hz grid 50 5 Hz atenga otis 60 Hzto65 Hz For 60 Hz grid 60 6 Hz HzCtlMax Threshold for overfrequency 50Hzto55Hz For50 Hz grid 0 level 60Hzto66Hz For 60 Hz grid HzCtlMaxTm Tripping time for overfrequency O ms to 0 level 3 1 000 000 ms HzCtlhhLim Threshold for overfrequency 50 Hzto 55Hz For50 Hz grid 52 Hz evala 60Hzto66Hz For 60 Hz grid 62 Hz HzCtlhhLimTm Tripping time for overfrequency O ms to 600 ms level 2 1 000 000 ms HzCtlhLim Threshold for overfrequency 50 Hzto 55Hz For 50 Hz grid 51 Hz avel 60Hzto66Hz For 60 Hz grid 61 2 Hz HzCtlhLimTm Tripping time for overfrequency O ms to 1 000 ms level 1 1 000 000 ms HzCtllLim Threshold for underfrequency 45 Hz to 50 Hz For 50 Hz grid 49 Hz ome 55Hzto60Hz For 60Hzgrid 58 8 Hz HzCtllLimTm Tripping time for underfrequency O ms to 1 000 ms level 1 1 000 000 ms HzCHllLim Threshold for underfrequency 45 Hz to 50 Hz For 50 Hz grid 48 Hz eels 55Hzto60Hz For 0 Hz grid 58 Hz HzCtillLimTm Tripping time for underfrequency O ms to 600 ms level 2 1 000 000 ms HzCtlMin Threshold for underfrequency A5Hzto50Hz For 50 Hz grid 47 Hz EN 55Hzto 60Hz For 60 Hz grid 57 Hz HzCtlMinTm Tripping time for underfrequency O ms to 600 ms level 3 1 000
16. P WModFailSt see Section 8 1 4 page 52 Signal Power limit Description lt 2mA Last valid value or Pmax Signal is in the invalid range after restart 2 mA to 4 mA O kw No power is fed into the grid 4 mA to 19 mA O kW to Pmax The energy fed into the grid is determined by a characteristic curve gt 19 mA Pmax The power fed into the grid equals Pmax The analog value is converted to a setpoint for power limitation Here the parameter Pmax forms the end point of the linear characteristic curve 8 1 3 Displaying the Status of Active Power Limitation The instantaneous value P WModStt indicates the status of active power limitation Procedure e Display the instantaneous value P WModStt on the user interface see Section 6 1 page 40 Display Description Off No mode for active power limitation has been selected WMax Active power is limited by specification of an upper limit This limit is relative to Pmax Hz Active power is limited by a frequency increase Tmp Active power is limited by temperature derating AmpPv Active power is limited via a DC current limitation AmpAC Active power is limited via an AC current limitation 8 1 4 Displaying Error Messages and Warnings for Active Power Limitation The instantaneous value P WModFailStt displays errors or warnings associated with active power limitation Procedure e Display the instantaneous value P WModFailStt on the user interface see Section
17. Requirements for Medium Voltage Transformers and Transformers for Auxiliary Technical Information Power Supply for SUNNY CENTRAL Inverters of the CP XT and CPJP Production Series Communit Communication Distributor for Large Scale PV Plants for SUNNY CENTRAL Technical Information SUNNY MINI CENTRAL or SUNNY TRIPOWER Plant Communication in large scale PV plants Technical Information SUNNY CENTRAL COMMUNICATION CONTROLLER Technical Information Q at Night Reactive power outside of feed in operation with SUNNY CENTRAL Technical Information 500CP XT 630CP XT 720CP XT 760CP XT 800CP XT 850CP XT 900CP XT Symbol Explanation INN lela Indicates a hazardous situation which if not avoided will result in death or serious injury AA WARNING Indicates a hazardous situation which if not avoided can result in death or serious injury AA CAUTION Indicates a hazardous situation which if not avoided can result in minor or moderate injury NOTICE Indicates a situation which if not avoided can result in property damage 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 x a o A problem that might occur User Manual SCCP JP BA A4 en 1 2 7 1 Information on this Document SMA Solar Technology AG Typographies Typography Use Example Bold e Display messages e Select the
18. Utility grid The Sunny Central is controlled via the Sunny Central Communication Controller SC COM The grid management service specifications from the grid operator can be implemented via a Power Reducer Box or the Power Plant Controller With the Q at Night order option the Sunny Central supports the utility grid with reactive power if the input voltage is insufficient 3 2 Sunny Central 3 2 1 Design of the Sunny Central A B Figure 2 Sunny Central example 14 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 3 Product Description Position Description A Inverter cabinet B Interface cabinet C Touch display D Service interface E Key switch 3 2 2 Type Label The type label clearly identifies the product Two type labels are present on the Sunny Central The type labels are positioned on the left hand side of the air duct inside the inverter cabinet and in the interface cabinet on the left hand side of the enclosure You will require the information on the type label to use the product safely and when seeking customer support from the SMA Service Line The type labels must be permanently attached to the product i Reading off the serial number You can read off the serial number without opening the Sunny Central The serial number is located on the top left corner of the Sunny Central roof You can also read off the serial number from the touch display i Reading off the firmware version
19. VArGraNom Qespmnax VAr Q VolNomP1 Q VolNomP2 Nain Figure 31 Characteristic curve for reducing reactive power with hysteresis User Manual SCCP JP BA A4 en 1 2 8 Power Control 69 8 Power Control SMA Solar Technology AG QVolWidNom A VAr Q VArGraNom Q VolNomP2 Q VolNomP1 Va V Qan Q VolWidNom Figure 32 Characteristic curve for reducing reactive power with deadband and hysteresis The parameter Q VArTmsSpnt determines the delay time which must elapse before the calculated reactive power setpoint is actively used In order to prevent several systems with this function from interfering with each other the parameter Q VArTmsVtg can be used to set a delay time This delay time defines how long a voltage change must be pending before a change in reactive power feed in is triggered Consequently control of the line voltage at the grid feed in point can be staggered across several systems You can activate and deactivate the delay time by means of the parameter Q EnaTmsVtg 70 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 8 Power Control 8 3 9 Measures for Voltage Support through Parameterization of Reactive Power Voltage Characteristic Curve VArCtlVolHystDbA Mode i Contact the SMA Service Line before changing any parameters The SMA Service Line must be consulted prior to selection and parameterization of the VArCtlVolHysDbA mode By provision of reactive power the inverter h
20. You can set the active power limitation via the parameter P WMod Use this parameter to configure how the specifications of the grid operator are to be received and implemented The default value for this parameter is Off i Parameter block The parameter P WMod can only be changed in the operating state Stop The entry will not be accepted in any other operating state There are five different modes of frequency independent active power limitation Mode Description Off The active power is limited to the nominal power Pmax of the device WCtlCom The active power limitation is transmitted by means of a Modbus protocol to the Sunny Central via the Power Reducer Box or the Power Plant Controller WCnst The active power limitation is entered as an absolute value via the parameter P W WCnstNom The active power limitation is entered as a percentage value via the parameter P WNom WCnstNomAnIn The active power limitation is set via an analog signal at the input terminals for setpoint specification Procedure 1 Ensure that the Sunny Central is in the operating state Stop 2 Log into the user interface 3 Change the parameter P WMod in the user interface see Section 6 2 page 40 4 Change any parameters associated with the selected mode 50 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 8 Power Control 5 Use the parameter PwrMonErrMod to select the desired inverter behavior in the absence of setpoint sp
21. You can set the monitoring period for all Sunny String Monitors or allocate a separate monitoring period to each group of Sunny String Monitors The monitoring period must be within the communication period Setting the Monitoring Period for All Sunny String Monitors 1 Select the parameter MoniTmGrAllOn and set the start of the monitoring period see Section 6 2 Changing Parameters page 40 2 Select the parameter MoniTmGrAllOff and set the end of the monitoring period 3 Confirm the entry with Save Setting the Monitoring Period for Individual Groups of Sunny String Monitors 1 Select the parameter MoniTmGr1 On and set the start of the monitoring period see Section 6 2 Changing Parameters page 40 2 Select the parameter MoniTmGr1 Off and set the end of the monitoring period 3 Confirm the entry with Save 4 Repeat steps 1 to 3 for the remaining groups 42 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 6 Communication with the Inverter 6 4 3 Assigning PV Strings to Different Measuring Channels To simplify monitoring you can assign the strings to the eight measuring channels You can select the number of strings per channel between 1 and 4 for each of the eight measuring channels The default setting is 1 You can use the parameter No of Strings to assign a string number between 1 and 4 to all measuring channels of the Sunny String Monitor This avoids having to set the number of strings for individual c
22. a linear characteristic curve with an upper and lower cap a displacement power factor cos p can be regulated depending on the active power currently being fed in The start and end points of the characteristic curve can be configured by means of parameters The shape of the characteristic curve is determined by the start and end points User Manual SCCP JP BA A4 en 1 2 57 8 Power Control SMA Solar Technology AG 8 2 1 11 Reactive Power as a Function of Line Voltage VArCtlVol Mode i Contact the SMA Service Line before changing any parameters The SMA Service Line must be consulted prior to selecting or configuring the VArCtlVol mode The reactive power is set as a function of the line voltage The reactive power setpoint is adjusted in stages 1x VAr Figure 21 Characteristic curve for reducing reactive power as a function of the line voltage If the line voltage is changed by the configurable voltage difference Q VDif for the configurable duration of Q VDifTm the reactive power setpoint will be adjusted by the value Q VArGra The parameterization of this function refers to the medium voltage 58 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 8 Power Control 8 2 1 12 Measures for Voltage Support through Parameterization of Reactive Power Voltage Characteristic Curve VArCtlVolHystDb Mode i Contact the SMA Service Line before changing any parameters The SMA Service Line must be consulted prior to selecting
23. and the DC switchgear The Sunny Central does not feed into the grid How long the Sunny Central remains in this state depends on system specific influencing factors Once the time has elapsed the disturbance is no longer shown on the touch display The Sunny Central then checks whether the cause of the error has been rectified If the disturbance is no longer pending it is deleted from the memory e Warning A warning does not affect the behavior of the Sunny Central The cause of the warning must be established and remedied In the operating state Disturbance the error error number error message and a symbol are displayed on the touch display see Section 10 2 1 Reading Off Disturbance Messages via Touch Display page 75 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 been deleted from the fault memory an event report is filed 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 voltage supply to 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 10 4 2 Explanation of the Error Tab
24. are lit e Ifthe parameter IsoErrlgn is set to On the error message from the measuring circuit is ignored when the insulation resistance falls below the error threshold The Sunny Central continues to feed into the grid and generates the error message 3504 Insulation error ignored If the parameter IsoErrlgn is set to Run and the insulation resistance falls below the error threshold the error message from the measuring circuit will only be ignored if the inverter is in feed in operation In feed in operation the Sunny Central continues to feed in and issues the error message 3504 Insulation error ignored If the insulation resistance falls below the error threshold in another operating state the error will not be ignored and the Sunny Central will not go into feed in operation The error message 3501 Insulation error appears on the touch display The LEDs ALARM1 and ALARM 2 are lit User Manual SCCP JP BA A4 en 1 2 25 3 Product Description SMA Solar Technology AG Type of insulation monitoring device used The insulation monitoring device used is the AISOMETER iso PV1685 device supplied by Bender GmbH amp Co KG 3 7 4 Combined Insulation and Ground Fault Monitoring 3 7 4 1 GFDI and Insulation Monitoring Device With the order option GFDI and Insulation Monitoring it is possible to temporarily disable the PV array grounding and to check the insulation via the integrated insulation monitoring device When the GFDI is closed t
25. characteristic curve Waiting time for deactivation of Q V characteristic curve Osto 100s Osto 100 s 2s QVArGraNom Pos Reactive power gradient at a positive change of nominal voltage 0 V to 44 06 V SC 500CP JP 0 V 0 V to 31 47 V SC 630CP JP 0 V to 25 04 V SC 800CP JP User Manual SCCP JP BA A4 en 1 2 93 12 Parameters Name QVArGraNom Neg Description Value range 0 V to 44 06 V Reactive power SMA Solar Technology AG Default value 0 V Explanation SC 500CP JP gradient at a negative change of nominal 0 V to 31 47 V SC 630CP JP 0 V to 25 04 V voltage SC 800CP JP Q VArMod Specification of the Off reactive power setpoint mode Sets reactive power to Off O kVAr and displacement power factor cos 9 to 1 VArCtlCom Specification of reactive power via external control unit such as the Power Reducer Box PFCtlCom Specification of displacement power factor cos p and excitation of the displacement power factor via an external control unit such as the Power Reducer Box VArCnst Specification of reactive power in kVAr via the parameter Q VAr VArCnstNom Specification of reactive power in via the parameter Q VArNom VArCnstNomAnIn The reactive power setpoint is imported via an analog input PFCnst Manual specification of displacement power factor cos p and excitatio
26. entra O kW to 880 kw SC 800CP JP 880 kw PWMod Specification of active Off Limits active power to Off power limitation mode Pmax WCtlCom Limitation of active power via an external control unit such as the Power Reducer Box WCnst Manual limitation of active power in kW P W via communication devices such as the SC COM WCnstNom Manual limitation of active power in P WNom via communication devices such as the SC COM WCnstNomAnIn Limitation of active power in at the analog input P W Limitation of active O kW to 1 000 kW SC 500CP JP 500 kw dl O kW to 1 000 kW SC 630CP4P 700 kW The active power O kW to 1 000 kw SC 800CP JP 880 kW cannot exceed Pmax P WNom Limitation of active 0 to 100 100 power in P HzStr Starting point of 50 Hz to 55 Hz For 50 Hz grid 50 2 Hz freqvency contra 60 Hz to 65 Hz For 60 Hz grid 60 2 Hz P HzStop End point of frequency 50 Hz to 55 Hz For 50 Hz grid 50 05 Hz conto 60 Hz to 65 Hz For 60 Hz grid 60 05 Hz P HzStopMin Minimum frequency at O Hz to 55 Hz For 50 Hz grid O Hz os O Hz to 65 Hz For 60 Hz grid O Hz control 90 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG Name P WGra Description Gradient of power reduction Value range 1 Hz to 100 Hz Explanation 12 Parameters Default value 40 Hz PFAbsMin Limitation of the displacement power factor cos p 0 5 to 1 The parameter should not fall below 0 8 in normal operation 0 9
27. from the operating state Stop to the operating state Grid monitoring Providing there is sufficient irradiation and a valid utility grid connection the Sunny Central switches to feed in operation If there is insufficient irradiation and the input voltage is therefore too low the Sunny Central remains in the operating state Grid monitoring With the order option Q at Night the inverter can support the utility grid with reactive power as required Switch Position Stop If the key switch is turned to Stop while the Sunny Central is in the operating state Grid monitoring a motor drive switches the DC switchgear off The Sunny Central switches to the operating state Stop If the key switch is turned to Stop while the Sunny Central is in the operating state MPP load operation the Sunny Central switches to the operating state Shutdown Once the shutdown is complete the AC contactor and the DC switchgear are switched off automatically and the Sunny Central switches to the operating state Stop 18 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 3 Product Description 3 3 Sunny Central Communication Controller The Sunny Central Communication Controller SC COM is the central communication interface of the Sunny Central The SC COM establishes the connection between the Sunny Central and the PV system operator SUNNY CENTRAL STRING MONITOR CONTROLLER ES Figure 4 SCCOM Position Designation A SC COM
28. have been opened during 30s 1 min operation 9009 Fast stop has been manually 30 s 30 s e Eliminate error and switch fast tripped stop back on 9013 This is a grid stability shutdown see 30 s 30 s Section 3 8 7 The error is reset by a signal from the grid operator or from the safety system of the grid interconnection point 9019 Defective fast stop 30 s Q e Ensure that the fast stop is correctly connected 84 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 11 Instantaneous Values 11 1 Sunny Central 11 1 1 Power Limitation 11 Instantaneous Values Error Messages and Warnings relating to Active Power Limitation Name Display Description P W ModFailStt Off No mode for active power limitation has been selected OK A mode for active power limitation has been selected and there are no errors present ComFail The WCtlCom mode has been selected and the expected signal with a valid active power limitation has been absent for at least five minutes AninFail The WCnstNomAnIn mode has been selected and the value measured at the analog input is less than 2 mA Comlnvalid The WCtlCom mode has been selected and there is invalid content in the power setpoint information Status Messages of Active Power Limitation Name Display Description P WModStt Off No mode for active power limitation has been selected WMax Active power is limited by specification of an upper limit This limit is relative to Pma
29. how the specifications of the grid operator are implemented The Power Reducer Box or Power Plant Controller sends the specifications issued by the grid operator to the Sunny Central Setpoint of target feed in power Power Reducer Box or Grid a Ripple control Power Plant Controller operator gri receiver ta Sunny Portal SUNNY CENTRAL Internet Router Feedback signal of actual feed in power Figure 10 Principle of grid integration As an alternative to the Power Reducer Box or Power Plant Controller there are two other ways of enabling grid management services e Reception of the signals via two analog inputs on the Sunny Central e Manual configuration of the specifications via parameters on the Sunny Central 3 8 2 Active Power Limitation Active power can be limited independently of power frequency by five different methods The limit can be configured via a parameter or supplied by the grid operator as an external signal see Section 8 1 2 Frequency Independent Active Power Limitation page 50 In addition to these methods active power can also be limited as a function of power frequency 28 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 3 Product Description 3 8 3 Reactive Power Setpoint The Sunny Central can provide reactive power There are eleven different methods for setpoint specification These include entering a fixed parameter processing an external signal from the grid operator or
30. invalid 5min Smin x 6418 Overtemperature on the inverter Smin 15min bridge detected 6422 Inverter bridge in undefined state 30s 5 min 6423 Overtemperature detected in the 5min 30min switch cabinet 6425 Synchronization error with 30 s 5 min x utility grid 6427 Sensor error of DC voltage 30s C measurement 6440 Hermetic protection of transformer 30 s 5 min e Check external transformer no longer assured User Manual SCCP JP BA A4 en 1 2 81 10 Troubleshooting SMA Solar Technology AG Errorno Explanation Behavior of the Corrective measures Sunny Central 1 2 644 Sensor error occurred during 30 s 30 s e Contact the SMA Service Line measurement of the DC voltage 6443 Unspecified error occurred in digital 30 s 30 s signal processor 6447 Selftest in inverter bridge failed Q Q 6448 Insulation monitoring yields W W e Check insulation monitoring non permitted values 6451 Measured AC voltage from W W e Contact the SMA Service Line Sunny Central is less than voltage from utility grid 6452 Measured AC voltage from W W utility grid is less than voltage from Sunny Central 6453 AC voltage of grid limits monitoring W W mismatched 6454 AC current mismatched W W 6455 AC voltage mismatched W W 6456 Pre charging circuit of DC link W W defective 6457 Capacitor self test failed Q Q 6461 Insulation monitoring device has not 15min 15 min e Ensure that insulation
31. monitoring device in grounded systems This will 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 appear on the touch display As a result preventative measures can be taken before errors occur e g personal hazard due to leakage currents or system failure If the insulation resistance falls below the configured warning threshold the system may be switched off Use the parameter IsoErrlgn to activate or deactivate the disconnection process under fault conditions 3 7 2 Ground Fault Monitoring in Grounded PV Arrays 3 7 2 1 Ground Fault Detection and Interruption GFDI Depending on the order option ground fault monitoring in the Sunny Central can be carried out via ground fault detection and interruption This grounds one terminal of the PV array GFDI is performed via a K type circuit breaker with adjustable operating current The GFDI is integrated in the Sunny Central and connected between an input busbar and the grounding busbar
32. on the ungrounded terminal of the PV array a residual current will occur through the Soft Grounding resistor The residual current increases the voltage of the grounded terminal against ground potential This enables monitoring of insulation with Soft Grounding using a voltage measurement at the Soft Grounding resistor If the measured voltage exceeds a threshold the PV array grounding is overridden and the residual current is interrupted If a Soft Grounding error occurs the Sunny Central stops operating A qualified person is required to check and if necessary repair the insulation and reactivate the Sunny Central via the reset button It is not possible to detect an insulation error on the grounded pole 24 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 3 Product Description 3 7 3 Insulation Monitoring 3 7 3 1 Insulation Monitoring Device Depending on the order option an insulation monitoring device can monitor the insulation resistance of the PV system in ungrounded PV arrays In the operating state MPP load operation the insulation resistance of the entire system from the PV array to the MV transformer will be measured If the Sunny Central is in the operating state Grid monitoring only the insulation resistance from the PV array to the Sunny Central will be measured E
33. operation RemMntSvc Deactivates PV array grounding Off Deactivated Off On Activated RisoCtlWarn Warning threshold for insulation OkQto50kQ 45 kQ monitoring device iso PV 1685 PvVtgRisoStart Start voltage of insulation O Vto 1 200 V SC 500CP JP 410V Pe SC 630CPJP 610V SC 800CP JP 760 V PvVtgRisoDif Differential voltage to 250Vto OV PvVtgStrLevMin for switching 250 V from insulation measurement to feed in operation IsoDev Selection of insulation isoPV3 isoPV3 monitoring device isoPV1685 To view or change this parameter you must enter the installer password 12 1 5 Internal Device Values Name Description Value range Explanation Default value Ackn Acknowledges errors in Sunny Central Ackn Acknowledge errors CardFunc MMC SD memory card function ForcedWrite Terminate SD memory card StoFailHis Write fault memory to SD memory card CnitRs Meter reset h Cnt Operating hours meter E Cnt Energy meter CntFanHs All fan runtime meters CntFanCab2 Fan runtime meter CntHtCab2 Fan runtime meter CntrySet Selection of valid power frequency J50 For 50 Hz grid This parameter can only be changed in J60 For 60 Hz grid the operating state Stop User Manual SCCP JP BA A4 en 1 2 101 12 Parameters SMA Solar Technology AG Name Description Value range Explanation Default value DiSet Date 20060101 to yyyymmdd 20991231
34. parameter e Elements on a user interface ExITrfErrEna and set to Off e i Parameters Select the tab Parameters Terminals e Slots e Elements to be selected Elements to be entered gt e Connects several elements to be selected e Select PV system gt Detect Button Key e Button or key to be selected or pressed e Select Start detection Nomenclature Complete designation Designation in this document Sunny Central Inverter Sunny Central Communication Controller SC COM Abbreviations Abbreviation Designation Explanation AC Alternating Current DC Direct Current FRT Fault Ride Through Dynamic grid support GFDI Ground Fault Detection Interruption IP Internet Protocol LED Light Emitting Diode LVRT Low Voltage Ride Through Limited dynamic grid support MPP Maximum Power Point MSL Mean Sea Level OF Optical Fiber PC Personal Computer PE Protective Earth Protective conductor PV Photovoltaics z 8 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 2 Safety 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 Sunny Central is suitable for outdoor installation provided that the specified safety distances are maintained The S
35. resistance without interrupting the feed in operation If an insulation error is present this will only be taken into account at the end of the delay time Once the insulation monitoring process is complete the parameter RemMntSve should be set to Off thus putting the PV array into grounded operation If after approximately five minutes one of the errors 3501 Insulation error 3504 Insulation error ignored or 3601 Warning insulation error is displayed the insulation is defective In this case a qualified person will need to check and if necessary repair the insulation and then acknowledge the error User Manual SCCP JP BA A4 en 1 2 27 3 Product Description SMA Solar Technology AG Type of insulation monitoring device used The insulation monitoring device used is the A ISOMETER iso PV1685 device supplied by Bender GmbH 8 Co KG 3 8 Grid Management Services 3 8 1 Requirements Due to the growing number of PV systems feeding into the utility grid these PV systems increasingly have to take on feed in management functions In Germany for example they are obliged to offer grid management services First and foremost the grid operator must be able to limit the power of the PV system by remote control and temporarily reduce it to zero in critical cases The grid operator s corresponding control commands must therefore be transmitted to the Sunny Central inverters quickly and reliably for implementation The following figure shows
36. specified in parameter Q VLockOutTm has run out User Manual SCCP JP BA A4 en 1 2 71 9 Setting the Insulation Monitoring of the PV System SMA Solar Technology AG 9 Setting the Insulation Monitoring of the PV System 9 1 Setting the PV System to Insulation Monitoring with GFDI and an Insulation Monitoring Device 9 1 1 Safety during Insulation Monitoring of the PV System with GFDI and an Insulation Monitoring Device A DANGER Danger to life from electric shock due to live voltage The components in the Sunny Central carry live voltage Touching live components will result in death or serious injury e Switch the Sunny Central off e After switching the Sunny Central off wait 15 minutes before opening the Sunny Central This will ensure that the capacitors are discharged e Do not touch any live components e Wear personal protective equipment Ground fault monitoring with GFDI does not provide protection from personal injury The option GFDI and insulation monitoring device allows you to manually switch the PV array from grounded operation to insulated operation To ensure that there is no insulation error on the grounded terminal an insulation measurement is carried out After switching to insulated operation the insulation monitoring device checks each terminal of the PV array for potential insulation errors Switching to insulated operation is useful for performing maintenance or service work on or near the PV
37. specifying the reactive power using adjustable characteristic curve parameters see Section 8 2 page 53 3 8 4 Behavior in the Absence of Active and Reactive Power Setpoints In the event of failure of setpoint specifications for active and reactive power control the inverter is capable of bridging the gap in one of two ways e Use of last default values received As long as the inverter does not receive any updated default values it will utilize the last value received when setpoint specification takes place via communication and the last valid mean value when using analog setpoints Use of proxy values As long as the Sunny Central does not receive any updated default values it will utilize the specified proxy values for active power limitation reactive power setpoint and displacement power factor In this case different proxy values can be configured for feed in operation and grid monitoring The parameter PwrMonErrMod is used to configure whether the last default values LastVal or the configured proxy values SubVal are to be utilized This setting will be valid for both active and reactive power setpoints The proxy values are used when the time since receiving the last valid signal for default values as defined in the parameter PwrMonErrTm has elapsed 3 8 5 Full and Limited Dynamic Grid Support FRT With full dynamic grid support the Sunny Central supports the utility grid during a brief grid voltage drop by feeding
38. switching cycles of the DC switchgear If the inverter is in Q at Night operation for one hour or the DC current falls below 60 A the DC switchgear opens The inverter continues to feed in reactive power If reactive power feed in is interrupted after a grid fault and the AC contactor is opened while the DC switchgear is open the DC circuit will first be pre charged This reduces the stress on the electronic components This process takes a maximum of one minute Once the DC circuit is sufficiently precharged the AC contactor is closed and the inverter monitors the grid limits If all of the feed in requirements are met the inverter will revert to reactive power feed in within one minute 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 feed in operation To protect the PV array the amount of reverse current is set by default to 60 A in the parameter QoDInvCurPv This value must be adjusted according to the maximum permissible reverse current of the PV array User Manual SCCP JP BA A4 en 1 2 31 3 Product Description SMA Solar Technology AG 3 9 Islanding Detection 3 9 1 Active Islanding Detection The islanding detection function detects the formation of stand alone grids and disconnects the Sunny Central from the utility grid Islanding can occur when at the time o
39. voltage sources check that all motor driven circuit breaker switches are set to the OFF position If this is not the case set all switches to the OFF position see Sunny Central installation manual e Contact the SMA Service Line 7706 AC circuit breaker has tripped 30 s Q e Contact the SMA Service Line 7707 Faulty switching state of AC 30 s Q contactor 7708 Faulty switching state of Remote W W GFDI 7709 90 of switch cycles of the DC 10s 10s switchgear reached 7710 100 of switch cycles of the DC 10s 10s switchgear reached 7714 Maximum number of GFDI switch 30 s 30 s e Replace GFDI cycles reached 7801 Surge arrester defective W e Check surge arrester 7901 Reverse current has occurred in 1 min C e Contact the SMA Service Line PV array 8701 External active power setpoints are W W smaller than 2 mA and therefore invalid The last valid value or after a day change Pmax is used Once valid setpoints are available again these are used 8702 Several digital active power W W setpoints available 8703 External power factor cos invalid W W User Manual SCCP JP BA A4 en 1 2 83 10 Troubleshooting SMA Solar Technology AG Errorno Explanation Behavior of the Corrective measures Sunny Central 1 2 8704 External active and reactive power W W Contact the SMA Service Line setpoints invalid 9000 Power electronics self test running W W This message disappears once the self test is complete 9008 Doors
40. voltage stabilizing measures in the event of overvoltage or undervoltage The parameterization is carried out by means of a reactive power voltage characteristic curve VArCtlVolHysDbA The provision of reactive power helps perform voltage stabilizing measures in the event of overvoltage or undervoltage The parameterization is carried out by means of a reactive power voltage characteristic curve and an activation power i Parameter block The parameter Q0DQ VarMod can only be changed in the operating state Stop The entry will not be accepted in any other operating state Procedure 1 Ensure that the Sunny Central is in the operating state Stop ak WN as follows Setting LastVal Log into the user interface Change the parameter Q0DQ VArMod see Section 6 2 page 40 Change any parameters associated with the selected mode Use the parameter PwrMonErrMod to select the desired inverter behavior in the absence of setpoint specifications Description If specified via communication utilization of the last value received In case of analog setpoints utilization of the last valid mean value SubVal Utilization of the configured proxy values SMA recommends use of the proxy values when setpoint specifications are effected via analog signals 6 If SubVal has been selected enter the proxy values for normal feed in operation and for operation outside of normal feed in operation as follows Parameters Descriptio
41. 00 Bd 38 400 Bd 57 600 Bd DevFunc Manages the AutoDetect SSMU Searches for all 0 Sunny String Monitors Sunny String Monitors and deletes previously detected Sunny String Monitors DetectSSMURetry Searches for undetected Sunny String Monitors only DelAll_SSMU Deletes all detected Sunny String Monitors Factory Resets all parameters to default settings To change these parameters you must enter the installer password 104 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 12 3 Sunny String Monitor 12 Parameters Name Description Value range Explanation Default value TMittelung Duration of measured current Osto6000s 30s value averaging String number Number of detected PV strings Oto 8 0 SW version Current firmware version 1 to 40 Value cannot be changed SSM Identifier Identification number of 1 to 99 0 Sunny String Monitor Group String 1 Assigns PV strings to their 0 to 3 Parameter exists for all 0 respective group eight groups Group String All groups O to 3 0 No of String 1 Number of connected strings in 1 to 4 Parameter exists for all z the respective group eight groups Contact the SMA Service Line if you wish to use this function No of Strings All groups l to 4 Monitoring On Start of monitoring of PV strings 0 00 a m to Parameter exists for all O in group 1 11 59 p m eight groups Configuration of the string settings via the Sunny
42. 1 Operating hours of heating element 1 in h CntHiCab2 Operating hours of heating element 2 in h E Today Energy fed into the grid during the current day in kWh E total Total energy fed into the grid in kWh h HighV Operating hours at high DC voltage h On Operating hours feed in time and waiting time of the inverter in h h Total Feed in hours feed in time without waiting time of the inverter in h These instantaneous values are only visible after entering the installer password 11 1 6 Service Relevant Display Values Display values that are only relevant to SMA Solar Technology are listed below Name Name BfrSollrr Firmware 3 CardStt Firmware 4 ExtSollrr Firmware 5 Fb_SVMMode Firmware 6 User Manual SCCP JP BA A4 en 1 2 87 11 Instantaneous Values SMA Solar Technology AG Name Name GriSwStt Firmware 7 InfFlgs Firmware 8 LvriVtgNom Firmware 9 ManResStt Firmware CRC ParaSetStt Firmware 2 CRC StkErrFirst Firmware 5 CRC StkErrFlgs Firmware 6 CRC SvmMode 11 2 Sunny Central String Monitor Controller 11 2 1 Instantaneous Values Name Description MeanCurGr Mean current for group 1 mean value exists for all 6 groups SSMUWrnCode String failure detection SSMUNoOf Number of Sunny String Monitors found 11 2 2 Internal Device Values Name Description h On Operating hours of Sunny Central String Monitor Controller SysDt System date SysTm System time 11
43. 5 8 3 6 Q at Night via Standard Signal VArCnstNomAnIn Mode 00 00 cece eee eens 65 8 3 7 Qat Night as a Function of Line Voltage VArCtlVol Mode 6 0 cece tent e eee nee es 67 8 3 8 Measures for Voltage Support through Parameterization of Reactive Power Voltage Characteristic Curve VArCilVollystDb Moder 2520 456 cadda ae as Bhd ts rd ten ene te 68 8 3 9 Measures for Voltage Support through Parameterization of Reactive Power Voltage Characteristic Curve VArCiVolHystDbA Mode tetera tee oll AU ltl sls valle beled AMY Mee 71 9 Setting the Insulation Monitoring of the PV System 2 ccc eee cece eee eee eee 72 9 1 Setting the PV System to Insulation Monitoring with GFDI and an Insulation Monitoring Device 72 9 1 1 Safety during Insulation Monitoring of the PV System with GFDI and an Insulation Monitoring Device 72 9 1 2 Switching to Insulated Operation or eei riei ence T a a eee 72 9 1 3 Switching to Grounded Operation eii nie wees aa wae eels 73 9 2 Setting the PV System to Insulation Monitoring with Remote GFDI and an Insulation Monitoring Device 73 9 2 1 Information on Insulation Monitoring of the PV System with Remote GFDI and an Insulation Monitoring DEVICE soto Bas nate hate a2 6s ahs the hiatal ae Nine Rad oth a acs wn hy de aber be sedi toad ol 73 9 2 2 Switching to Insulated Operation 0 b ent e eee eens 73 9 2 3 Switching to Grounded Operations iia oca Res 73 9 3 Setting the PV System
44. 6 1 page 40 Display Cause and corrective measure Off No mode for active power limitation has been selected OK A mode for active power limitation has been selected and there are no errors present 52 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 8 Power Control Display Cause and corrective measure ComFail The WCtlCom mode has been selected and the expected signal with a valid active power limit has been absent for at least five minutes Corrective measures e Ensure that the Sunny Central and the Power Reducer Box or Power Plant Controller can be accessed via the Internet e Ensure that the Sunny Central and the Power Reducer Box or the Power Plant Controller are connected correctly e Ensure that the cabling between the Sunny Central and Power Reducer Box or the Power Plant Controller is OK AninFail The WCnstNomAnIn mode has been selected and the value measured at the analog input is less than 2 mA Corrective measures e Make sure the signal cable is correctly connected to the analog input Cominvalid The WCtlCom procedure has been selected and there is invalid content in the power setpoint data Corrective measures e Ensure that the settings for the power setpoints are correct 8 2 Reactive Power Control 8 2 1 Mode of Reactive Power Control 8 2 1 1 Selecting the Mode with the Parameter QVArMod The Sunny Central can supply reactive power if required by the grid operator The grid operator s
45. 991231 YYYYMMDD Tm Time entry 0 to 235959 Entered in the format E HHMMSS TolGr Deviation of group 1 currents 5 to 100 Parameter exists for all six 13 from mean value groups MoniTmGr1On Start time for group 1 7 00 a m to Parameter exists for all six 10 00 monitoring 7 00 p m groups a m MoniTmGrlOff Stop time for group 1 7 00 a m to Parameter exists for all six 3 00 p m monitoring 7 00 p m groups MoniTmGrAllOn Start time for monitoring of all 7 00 a m to 10 00 groups 7 00 p m a m MoniTmGrAllOff Stop time for monitoring of all 7 00 a m to 3 00 p m groups 7 00 p m User Manual SCCP JP BA A4 en 1 2 103 12 Parameters SMA Solar Technology AG Name Description Value range Explanation Default value MoniTmComOn Start time for monitoring of all 7 00 a m to 10 00 groups 7 00 p m a m MoniTmComOff Stop time for monitoring of all 7 00 a m to 3 00 p m groups 7 00 p m Ackn Acknowledge errors quit ErrlevGr Sensitivity of error detection for 24 Sensitive 50 min 10 32 group 24 Regular 50 min 14 Regular Parameter exists for all six E f 24 Insensitive 50 min 18 groups 32 Sensitive 35 min 10 32 Regular 35 min 13 32 Insensitive 35 min 16 64 Sensitive 15 min 7 64 Regular 15 min 9 64 Insensitive 15 min 10 ComBaud Baud rate 1 200 Bd Parameter can only be 19 200 4 800 Bd angea mine Operating Bd state Stop 9 600 Bd 19 2
46. COM 4 Select Properties M The Local Area Connection Properties window opens 5 Mark Internet Protocol TCP IP and select Properties M The Internet Protocol TCP IP Properties window opens 6 Note down the existing network settings so that you can restore the settings in your computer after commissioning the inverter 7 Make the following settings and confirm with OK IP address 10 100 100 1 Subnet mask 255 0 0 0 8 In the Local Area Connection Properties window select OK The settings are now applied 9 Select OK in the Network Connections window This closes the window M The computer is now configured to the network settings of the Sunny Central Setting the IP Address on the Sunny Central 1 Connect the laptop to the service interface of the Sunny Central using a network cable 2 Open an Internet browser e g Windows Explorer 3 Enter 10 111 4 1 in the address bar of the web browser M The user interface appears 4 Enter the installer password in the appropriate field on the homepage and confirm with Login 5 Select Sunny Central gt Settings gt Network 6 Depending on the network structure enter the following values for the monitoring and control networks IP address Subnet mask Gateway 7 Complete the entries using Save and Confirm User Manual SCCP JP BA A4 en 1 2 39 6 Communication with the Inverter SMA Solar Technology AG 6 Communication with the Inverter 6 1 Display
47. Central String Monitor Controller is preferable Monitoring Off End of monitoring of PV strings in 0 00 a m to Parameter exists for all 0 group 1 11 59 p m eight groups Configuration of the string settings via the Sunny Central String Monitor Controller is preferable Monitoring On Start of monitoring of PV strings 0 00 a m to 0 in all groups 11 59 p m Monitoring Off End of monitoring of PV strings in 0 00 a m to 0 all groups 11 59 p m User Manval SCCP JP BA A4 en 12 105 12 Parameters SMA Solar Technology AG Name Description Value range Explanation Default value Command Stop Contact the SMA Service 0 Meas Line if you wish to use this function Offset Offset2 Diag Reset Err Cnt StoreCalibData LoadCalibData Watchdog test Surge arrester1 Alarm contact Active high Contact activated when 0 e g theft protection for voltage present Sunny String Monitor R Active low Contact activated when no voltage present Deactivated Contact deactivated Surge arrester2 Alarm contact Active high Contact activated when 0 voltage present Active low Contact activated when no voltage present Deactivated Contact deactivated To change these parameters you must enter the installer password These parameters are only visible after entering the installer password 106 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 13 Contact 13 Contact If you have technical proble
48. ExIStrStpEna Activation of external shutdown signal Off Deactivated Off remote shutdown On kevad ExlTrfErrEna Activation of hermetic protection of MV Off Deactivated On transformer On Raed ExtSollrrOfs Offset of the external irradiation sensor 5 000 W m O W m to 5 000 W m ExtSollrrGain Amplification of external irradiation 1 000 W m 1 sensor to 1 000 W m GdErrTm Grid monitoring time after grid error Osto 10 000s 300 s GdChkTm Grid monitoring time after system start Osto10 000s 300 s MppFact Ratio between maximum power Pypp of 0 5 to 1 0 8 the PV cell at the maximum power point and the product of open circuit voltage Voc and short circuit current Isc Ofs_h On Offset for operating hours Ohto 0 2 147 482 h Ofs_h Total Offset for feed in hours Oh to 0 2 147 482 h Ofs_E Total Offset for total supplied energy O kWh to 0 214 748 367 kWh Ofs_CntFanHs Offset for operating hours of heat sink Ohto 0 fan 2 147 482 h Ofs_CntFanCab1 Offset for operating hours of internal fan Oh to 0 1 2 147 482 h Ofs_CntFanCab2 Offset for operating hours of internal fan Oh to 0 2 2 147 482 h Ofs_CntHtCab1 Offset for operating hours of internal Oh to 0 heating element 1 2 147 482 h Ofs_CntHtCab2 Offset for operating hours of internal Oh to 0 heating element 2 2 147 482 h PvPwrMinTr Threshold for starting the MPP tracker OkWto 20kW 20 kw PvPwrMinTrT Timeout for starting the MPP tracker lsto1 800s 600 s PwVigStrl
49. Maximum connection voltage 100 to 200 110 VRtg Nominal line voltage of the 1Vto70 000V 20 000 V utility grid ManResOvrVol Manual activation after Off Deactivated Off interruption due to overvoltage On Acivated ManResUndrVol Manual activation after Off Deactivated Off interruption due to undervoltage On era ManResOvrFrq Manual activation after Off Deactivated Off interruption due to overfrequency On Activated ManResUndrFrq Manual activation after Off Deactivated Off interruption due to underfrequency On Activated ManResPID Manual activation after Off Deactivated Off interruption due to passive On Aeivaied islanding detection ManResPLD Manual activation after Off Deactivated Off interruption due to disturbance in On Activated a line conductor To change this parameter you must enter the installer password User Manual SCCP JP BA A4 en 1 2 99 12 Parameters 12 1 3 Grid Support SMA Solar Technology AG Name Description Value range Explanation Default value FRT2ArGraNomHi Slope of the FRT characteristic Oto 10 Values between 2 curve in accordance with the O and 2 are System Service Ordinance recommended SDLWindV in case of overvoltage For other values contact the SMA Service Line FRT2ArGraNomLo Slope of the FRT characteristic Oto 10 2 curve in accordance with the System Service Ordinance SDLWindV in case of undervoltage FRTArGraNom Scaling of K factor for full dynamic O
50. Network Settings In order to connect the Sunny Central to a computer via the service interface or via the Internet the SC COM must be integrated in a system network To enable several Sunny Central inverters to be operated in the same network the SC COM of each Sunny Central must be assigned a unique network address a Plant control Control network Inverter internal network i Technician i ae Monitoring network 192 168 100 10 Service interface 2 a 1 hace i or DHCP address i Display TN A A Switch System router Internet IS w ns ici 00 10 111 1 1 Public IP address K I Technician Technician 10 111 1 99 t PI oe ee ee oe a ee eS a ee Figure 15 Example of a plant network with two Sunny Central inverters Procedure e Setting the IP address on your laptop Setting the IP address on the Sunny Central Setting the IP Address on your Laptop If you are working with a DHCP enabled laptop it will automatically be assigned an IP address by the network server If your laptop is not DHCP enabled you will need to set the IP address manually 38 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 5 Network Settings Procedure 1 In Windows select Start gt Run 2 Enter ncpa cpl in the box and press OK M The Network Connections window opens 3 Double click on the LAN connection used to connect the SC
51. Stt State of AC contactor Mode Operating state of inverter Msg Error message Prio Priority of error message TmsRmg Time until reconnection 11 1 3 Measured Values Name Description ExlAnalnCur1 External current measurement in mA ExlAnalnV 1 External voltage measurement in V Fac Power frequency in Hz lac Line current in A Ipv PV current in A Pac AC power in kW Ppv PV power in kW Qac Reactive power in kVAr Riso Insulation resistance Sac Apparent power in kVA Vac Line voltage in V Vpv PV voltage in V 86 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 11 Instantaneous Values 11 1 4 Internal Device Values Name Description Cntry Country setting or configured standard DInExIStrStp Status of remote shutdown unit DInGfdi Status of GFDI DInKeySwStrStp Status of key switch DOutMntSvc Status of signal light Dt Date Firmware Firmware version of operation control unit Firmware 2 Firmware version of digital signal processor Tm Time Type Device type 11 1 5 Internal Meters Name Description CntFanCab 1 Operating hours of interior fan 1 in h CntFanCab2 Operating hours of interior fan 2 in h CntFanHs Operating hours of heat sink fan in h CntFanTrfl Operating hours of transformer fan 1 in h CntFanTrf2 Operating hours of transformer fan 2 in h CntGfdiSw Number of GFDI trippings CntHrCab
52. The GFDI has tripped C C User Manual SCCP JP BA A4 en 12 79 10 Troubleshooting SMA Solar Technology AG Errorno Explanation Behavior of the Corrective measures Sunny Central 1 2 3504 Insulation monitoring device has W e Check PV array for ground detected an insulation error Since faults the parameter IsoErrlgn is set to On this error is ignored 3507 Ground fault has occurred on Q Q ungrounded pole of PV array 3510 The Sunny Central has found an Q Q insulation error on the inverter bridge 3511 The Sunny Central has found an W W insulation error 3512 The Remote GFDI has detected a Q Q permanent ground fault 3515 A ground fault detected by Soft W W Grounding has been ignored 3601 Leakage current to ground is W W e Check grounding and present in the PV array or the equipotential bonding threshold defined in parameter e Check module wiring and RisoCtlWarn has been reached PV system design e Check the RisoCtlWarn parameter 3803 Current of PV array is too high 1 min D e Check DC input current e Check module wiring and PV system design 4000 String failure detection has detected W W e Read off the number of the a defective string Error number defective string in the appears on display only instantaneous value SSMUWrnCode 4003 Reverse currents detected in the 30 s Q e Check PV modules for short PV array or DC terminal circuits reverse poled e Check module wiring and PV syst
53. array e g cutting the grass or for checking the status of the insulation at regular intervals After completion of the maintenance work the PV system should be switched back to grounded operation 9 1 2 Switching to Insulated Operation 1 Set the key switch on the Sunny Central to Stop Wait 15 minutes before opening the Sunny Central This will ensure that the capacitors are discharged Open the Sunny Central Manually switch the GFDI circuit breaker off Close the Sunny Central O a BR 0 N Set the key switch on the Sunny Central to Start M The insulation monitoring device starts collecting data When the parameter IsoErrlgn is set to On the error 3504 Insulation error ignored is displayed The displayed error 3504 has not disappeared after approximately 15 minutes The insulation is defective e Have the insulation checked and if necessary repaired by a qualified person e Acknowledge the error see Section 10 3 page 75 7 Wait a few minutes and then display the instantaneous value Riso on the user interface see Section 6 1 page 40 M The insulation resistance is greater than 45 k Q It is safe to enter the PV system The insulation resistance is less than 45 k Q 2 There is an insulation error and you must not enter the PV system e Have the insulation checked and if necessary repaired by a qualified person 72 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 9 Setting the Insulation Monitori
54. bValR Proxy value of the OvExt Lagging OvExt excitation type during UnExt Leading normal feed in operation in the event of communication disturbance 92 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG Name PF WLockInVtg Description Power from which the cos P characteristic curve is activated in relative to the nominal voltage Value range 0 to 110 Explanation 12 Parameters Default value 0 PF WLockOutVtg Power from which the cos P characteristic curve is deactivated in relative to the nominal voltage 0 to 110 0 PF WLockTm Waiting time for activating or deactivating the cos p P characteristic curve Osto 100s 2s PwrMonErrMod PwrMonErrTm Mode used in the event of communication failure Communication downtime until proxy values are used LastVal Use of last default values received LastVal SubVal 1 sto 999 s Use of proxy values 300 s Q EnaTmsVtg Activation of line voltage delay in the parameter Q VarTmsVtg Off Off On Q VLockInW Voltage value from which the Q V characteristic curve is activated in relative to the nominal voltage 0 to 100 0 Q VLockOutW Voltage value from which the Q V characteristic curve is deactivated in based on the nominal voltage 0 to 100 0 Q VLockInTm Q VLockOutTm Waiting time for activation of Q V
55. ce Refer to the parameter list see Section 12 1 2 Grid Monitoring Grid Limits page 98 for the default value of the parameter VRtg Procedure 1 Log into the user interface 2 Set the parameter TrfVolExIHi see Section 6 2 page 40 3 Set the parameter VRtg 4 Confirm the parameter entry with Save 7 7 Activating the Manual Resume Mode If the Sunny Central has switched off due to grid limit infringement you can prevent an automatic restart of the Sunny Central The Sunny Central will not switch back on until the error has been acknowledged You can activate the Manual Resume Mode for individual errors of grid limit infringement You can read off the reason for the current restart block in the instantaneous value ManResStt Procedure 1 Log into the user interface 2 To activate the Manual Resume Mode for individual disturbances set the desired parameters to On Manual Resume Mode after Parameter Disconnection due to overvoltage ManResOvrVol Disconnection due to undervoltage ManResUndrVol Disconnection due to overfrequency ManResOvrFrq Disconnection due to underfrequency ManResUndrFrq Disconnection due to passive islanding detection ManResPID Disconnection due to disturbance in a line ManResPLD conductor 3 Confirm the parameter entry with Save 48 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 8 Power Control 8 Power Control 8 1 Active Power Limitation 8 1 1 Frequency Depe
56. ce the insulation monitoring process is complete the parameter RemMntSvc should be set to Off thus putting the PV array into grounded operation If after approximately five minutes one of the errors 3501 Insulation error 3504 Insulation error ignored or 3601 Warning insulation error is displayed the insulation is defective In this case a qualified person will need to check and if necessary repair the insulation and then acknowledge the error Type of insulation monitoring device used The insulation monitoring device used is the A ISOMETER iso PV1685 device supplied by Bender GmbH amp Co KG 3 7 4 3 Remote Soft Grounding and Insulation Monitoring Device With the order option Remote Soft Grounding and Insulation Monitoring it is possible to detect any faults that have occurred to disable the grounding of the PV array and to check the insulation with the integrated insulation monitoring device When the Remote Soft Grounding is closed the PV array is grounded In this state the insulation resistance cannot be determined If the Remote Soft Grounding triggers initially a temporary error will be assumed and the Remote Soft Grounding will be closed again by a relay after a defined delay No external switch command is required to close the triggered Remote Soft Grounding The Sunny Central will switch back to feed in operation after a defined delay In the default setting the Sunny Central software will attempt to start the R
57. changes made on the touch display Procedure 1 Select EH 2 Select 4 Touch Display 3 To change the date select the day month and year in the 21 field Use the PY and Y buttons to change the day month and year 4 To change the time select the hours minutes and seconds in the field Use PY and Y to change the hours minutes and seconds 5 To change the time zone select a time zone in the field Use the PY and Y buttons to change the time zone 4 5 Selecting the Display Format 1 Select EN Select ER Select the date format Select the hour format Select the number format O aA bh W N Confirm your entry by selecting FA 4 6 Setting the Brightness 1 Select EN 2 Select EJ 3 Set the display brightness Select ES for a darker screen or EY for a lighter screen 4 Confirm your entry by selecting FA 4 7 Entering the Installer Password i Installer access The Installer access level is activated by entering the installer password The access level is reset after 15 minutes Procedure 1 Select EN 2 Select f 3 Enter the installer password Use the keypad to do this 4 Confirm your entry by selecting FA M The symbol appears in the status info line X The status info line fails to show the ta symbol The password entered is incorrect e Enter the password again User Manual SCCP JP BA A4 en 1 2 37 5 Network Settings SMA Solar Technology AG 5
58. cknowledge error messages via the user interface after entering the installer password Procedure 1 If an insulation error has occurred switch the insulation monitoring device back on 2 Log into the user interface 3 Select the parameter Ackn in the device displaying the error and set to Ackn 4 Confirm the entry with Save 10 4 Error Messages 10 4 1 Behavior of Sunny Central Inverters under Fault Conditions If a disturbance occurs during operation of the Sunny Central this may be caused by a warning or error Each disturbance has two levels influencing display and system behavior Only in the case of certain disturbances does the Sunny Central behavior differ according to 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 Behavior of the Sunny Central in error levels 1 and 2 e Waiting Time The Sunny Central switches to the operating state Fault and opens the AC contactor and the DC switchgear The Sunny Central does not feed into the grid for the defined waiting time The waiting time specifies how long the disturbance will be shown on the touch display and saved as a disturbance Once the waiting time has elapsed the disturbance is no longer shown on the touch display The Sunny Central then checks whether the cause of the error has been rectified If the cause of the disturbance still exists after the waiting time has expired or the dist
59. command is required to close the triggered Remote GFDI The Sunny Central will switch back to feed in operation after a defined delay In the default setting of the Sunny Central the software will attempt to start the Remote GFDI up to three times per day If the Remote GFDI triggers on several consecutive days the software will assume that a permanent insulation error has occurred and the Sunny Central will no longer revert to operation In this case a qualified person will need to check and if necessary repair the insulation and then acknowledge the error User Manual SCCP JP BA A4 en 1 2 23 3 Product Description SMA Solar Technology AG 3 7 2 3 Soft Grounding Depending on the order option the Sunny Central can also monitor for ground faults via Soft Grounding This process grounds one terminal of the PV array via a resistor The PV system must be operated as an electrically closed operation area LL ina Figure 8 Soft Grounding in the Sunny Central If a ground fault occurs
60. ction r ee ode EEE ace E E A ER DE EE ah ee 32 A a be eh aa a heb che OIG a a a E 32 User Manual SCCP JP BA A4 en 1 2 3 Table of Contents SMA Solar Technology AG A Touch Display 44 evi a bees Geka oes d A sinet bus G el eee view AAA 33 AT Touch Display layout e seco 8 oe et EE AN eee DOE woh gala 33 4 2 Explanation ESMAS NAAA Sie See ane teas dia oh 33 4 21 Status Into ins Aa 33 ADD IMAN Are e A A A NS ES dite dae ES 34 A23 VINGVIGOTION LING eid a see te aM el ah a eal le eed AM LULA a es lait 36 43 Selecting Me LGnGUAGE hc cule wie O a a 36 AA Changing the Date Time and Time Zone vesoicis pees te rica 37 4 5 Selecting the Display Format n o 12s cee a Rd e 37 4 6 Seting the Dg ne eneo A a A 37 4 7 EnteringihelastallerPas word corsarios rbd 37 5 gt Network Setings E EE ae eee oe 38 Communication with the Inverter 6 cece cece cece ee eee eee cette eee teen ees 40 6 1 Displaying Instantaneous Valli oink iria bok Su be pa se Gea eee ideada 40 6 2 Changing raramente 40 6 3 Setting the String Current Monitoring on the Sunny Central String Monitor Controller 40 6 4 Optional Settings of the Sunny Central String Monitor Controller o oooooccccocccccoccccoc o o 42 6 4 1 Changing the Communication Period oooocccocccccccoo occ 42 6 4 2 Changing the Monitoring Periods 40d adds i I 42 6 4 3 Assigning PV Strings to Different Measuring Channels oooccocccoccccoccco co 43 6 4 4 Assign
61. d at death Gob e Upbeat Mea ora a 23 3 7 2 3 Sof Grounding a es eae Ba Ga eed a See 24 3 73 Insulation Monitorings 202 kl ok Biase ie oe dates Ged hee 25 3 231 Insulation Monitoring Device is di Sek Peed DS See ed a es 25 3 7 4 Combined Insulation and Ground Fault Monitoring 0 0 cect nett nee 26 3 7 4 1 GFDl and Insulation Monitoring Device 0 6 t teen tte eennes 26 3 7 4 2 Remote GFDI and Insulation Monitoring Device oooooococccccococcccco nnn teenies 26 3 7 4 3 Remote Soft Grounding and Insulation Monitoring Device 1 2 6 6 cece cece tenet eens 27 3 8 Grid Management Services eG ee le to O te hil ile tale 28 ZGN REQuirements oasis aa a A Uh ORE A et DOAA ORRA wR RNS a 28 3 8 2 Active Power Limitation 2 ci aren ont doy ade Sones A tt ia 28 38 3 Reactive Power Selpoint ga elr iini tad talkin ate ele bh Mae haa eh wt had Schalke dye eek eG bed ek 29 3 8 4 Behavior in the Absence of Active and Reactive Power Setpoints 000s eee eee eee ee neces 29 3 8 5 Full and Limited Dynamic Grid Support FRT 0 eects 29 3 8 6 Decoupling Protection RAMP se 60 4 oi Aada o EREEREER ee ona iA Acad e A Ree ewe EA 30 3 8 7 Grid Management Shutdown meseriei ppe tenet been eee ene e ee 30 SREE GuatiNightr pss is A E age ag hw ae 31 oe ASlandipg Detection enesenn a e ais 32 3 91 Active Islanding Detection cti da aia beacon e a Bet a 32 3 9 2 Passive Islanding Dete
62. ded components results in death or serious injuries from electric shock e Ensure that no voltage is present before touching any components of the PV system e Wear suitable personal protective equipment for all work on the Sunny Central e The Sunny Central must be installed in a closed operating area 10 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 2 Safety A DANGER Danger to life from electric shock if the Sunny Central is damaged Operating a damaged Sunny Central can lead to hazardous situations that result in death or serious injuries due to electric shock e Only use the Sunny Central when it is in a technically faultless condition and safe to operate e Regularly check the Sunny Central 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 e Wear suitable personal protective equipment for all work on the Sunny Central Danger to life from electric shock if the Sunny Central is not locked If the Sunny Central 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 Sunny Central e Remove the keys from the door locks and from the key switch Store the key in a safe place e Ensure that unauthorized persons do not have access t
63. e Shutdown Once the shutdown is complete the AC contactor and the DC switchgear are switched off automatically and the Sunny Central switches to the operating state Stop The remote shutdown function is designed as an open circuit failsafe system and must be operated with an external 24 V voltage supply If 24 V is present in the remote shutdown the Sunny Central continues to operate in the current operating state If the remote shutdown function is triggered or if a wire break occurs O V is present in the remote shutdown and the Sunny Central switches from its current operating state to the operating state Stop Use of the remote shutdown will only be possible if the parameter ExlStrStpEna is set to On 20 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 3 Product Description 3 6 External Fast Stop The Sunny Central is equipped ex works with a fast stop input You have the option of connecting an external switch to this fast stop input which is activated via a 24 V signal The external fast stop disconnects the Sunny Central from the utility grid in less than 100 ms The Sunny Central is delivered ex works with open terminals The following options are available for configuring the external fast stop e The external fast stop is deactivated The terminals of the active fast stop are bridged The fast stop function is thus deactivated You will need to bridge the terminals if required e The external fast stop is o
64. e Sunny Central If the Sunny Central has not received any signal for five minutes the error message will be displayed in the instantaneous value P WModFailStt 8 1 2 4 Active Power Limitation with Absolute Value WCnst Mode The active power limitation is entered as an absolute value via the parameter P W The parameter P W defines the active power to be fed in The parameter P W can be changed in feed in operation The parameter P W must not be greater than the parameter Pmax 8 1 2 5 Active Power Limitation as a Percentage of Nominal Power VArCnstNom Mode The active power limitation is set as a percentage value via the parameter P WNom The percentage value refers to the parameter Pmax The parameter P WNom indicates what percentage of the maximum possible power is to be fed in The parameter P WNom can be changed during feed in operation User Manual SCCP JP BA A4 en 1 2 51 8 Power Control SMA Solar Technology AG 8 1 2 6 Active Power Limitation via Standard Signal WCnstNomAnIn Mode The active power limitation is set at the input terminals for setpoint specification using an analog signal see Sunny Central installation manual This is usually implemented by a ripple control signal The electrical current strength of the connected signal determines the nominal active power The analog measured values must be between 4 mA and 19 mA If the analog signal is less than 2 mA an error message will be displayed in the instantaneous value
65. e measures Make sure that the Sunny Central and the Power Reducer Box or Power Plant Controller can be accessed via the Internet e Ensure that the Sunny Central and the Power Reducer Box or the Power Plant Controller are connected correctly e Ensure that the cabling between the inverter and Power Reducer Box or Power Plant Controller is OK AnInFail The VArCnstNomAnIn or PFCnstNomAnIn mode has been selected and the value measured at the analog input is less than 2 mA Corrective measures e Make sure the signal cable is correctly connected to the analog input Cominvalid The VArCtlCom or PFCt Com mode has been selected and the power setpoints contain invalid content Corrective measures e Ensure that the settings for the power setpoints are correct 8 3 QatNight 8 3 1 Selecting Parameter QODQ VarMod NOTICE Operation failure of the Sunny Central due to incorrectly set parameters If the parameter settings for grid management services are incorrect the Sunny Central may not be able to meet the grid management requirements This may lead to yield losses and disconnection of the Sunny Central by the grid operator e When setting the modes of grid management services ensure that the control procedures agreed with the grid operator are parameterized e If the Sunny Central is operated with a Power Plant Controller make sure that the parameter Q0DQ VarMod is set to VArCtlCom This will ensure that the out
66. e parameter Q0DQ VAr Note that the permitted range for the parameter QoDQVAr is QoDQmax to QoDQmax 8 3 5 Q at Night as a Percentage of the Nominal Power VArCnstNom Mode The parameter QODQ VArNom is used to set the reactive power setpoint in The parameter QODQ VArNom refers to Pmax If the calculated amount of reactive power exceeds the predefined value of QAo0DQmax the power will be limited to Q0ODQmax If the calculated amount of reactive power falls below the predefined value of QoDQmax the power will be limited to QoDQmax 8 3 6 Q at Night via Standard Signal VArCnstNomAnIn Mode The reactive power setpoint is set via an analog signal at the input terminals for setpoint specification see Sunny Central installation manual This is usually implemented by a ripple control signal The analog value is converted into a reactive power setpoint The electrical current strength of the connected signal determines the setpoint The analog measured values must be between 4 mA and 19 mA If the analog signal is less than 2 mA an error message will be displayed in the instantaneous value QVArModFailStt see Section 8 2 2 page 63 Signal Power limit Description lt 2mA Last valid value or O kVAr Signal is in the invalid range after restart 2 mA to 4 mA Pmax The maximum amount of negatively excited reactive power is fed in 4 mA Pmax Start point of the characteristic curve The maximum amount of negatively excited reactive powe
67. eactive power feed in is triggered Consequently control of the line voltage at the grid feed in point can be staggered across several systems You can activate and deactivate the delay time by means of the parameter Q EnaTmsVtg User Manual SCCP JP BA A4 en 1 2 61 8 Power Control SMA Solar Technology AG 8 2 1 13 Measures for Voltage Support through Parameterization of Reactive Power Voltage Characteristic Curve VArCtlVolHystDbA Mode i Contact the SMA Service Line before changing any parameters The SMA Service Line must be consulted prior to selection and parameterization of the VArCtlVolHysDbA mode By provision of reactive power the inverter helps perform 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 configured flexibly by parameterization of the slopes a type of deadband through two voltage points a hysteresis and the thresholds for activation QVolWidNom VAr Q VArGraNomPos QVolNomP2 Q VolNomP1 Vea V Q VArGraNomNeg Qpa QVolWidNom Figure 26 Characteristic curve for reducing reactive power with deadband and hysteresis The parameter Q VArTmsSpnt determines the delay time which must elapse before the calculated reactive power setpoint is actively used In order to prevent mutual interference of several systems with this function the parameter Q VArTmsVt
68. ecifications as follows Setting Description LastVal If specified via communication utilization of the last value received In case of analog setpoints utilization of the last valid mean value SubVal Utilization of the configured proxy values SMA recommends use of the proxy values when setpoint specifications are effected via analog signals 6 If SubVal has been selected enter the proxy values for normal feed in operation and for operation outside of normal feed in operation as follows Parameters Description P WSubValRun Proxy value for active power limitation in feed in operation PWSubVal Proxy value for active power limitation outside of feed in operation 7 In the parameter PwrMonErrTm configure the time lapse until recognition of the absence of setpoint specifications 8 Confirm the parameter entry with Save 8 1 2 2 No Active Power Limitation Off Mode The feed in power is limited to the parameter Pmax The parameter Pmax defines the Sunny Central power at the feed in point and is adjusted to the local conditions during commissioning The parameter Pmax can only be changed when the device is in the operating state Stop and the installer password has been entered 8 1 2 3 Active Power Limitation with Setpoint Command via Modbus Protocol WCtlCom Mode The setpoint for active power limitation is received by the Sunny Central via the Power Reducer Box or the Power Plant Controller and then transmitted to th
69. ed with a Sunny Central String Monitor Controller for string current monitoring This controller allows communication between the Sunny Central String Monitors and the Sunny Central ULL Figure 5 Sunny Central String Monitor Controller The Sunny String Monitors measure the string currents via an integrated measurement PCB and continuously calculate the mean values of the string currents The measurement PCB compares the string currents with the mean values If a string current exceeds or falls short of the specified tolerance for the mean value a warning or error is generated and displayed on the touch display and on the user interface 3 5 Remote Shutdown By means of remote shutdown you can selectively shut down and switch off the Sunny Central within approximately six seconds for example from a control room The function of the remote shutdown is similar to the stop function of the key switch If the remote shutdown function is activated from the control room while the Sunny Central is in the operating state Grid monitoring a motor drive automatically shuts off the DC switchgear and the Sunny Central switches to the operating state Stop If the remote shutdown function is activated from the control room while the Sunny Central is in the operating state MPP load operation the Sunny Central switches to the operating stat
70. eeen teens 51 8 1 2 3 Active Power Limitation with Setpoint Command via Modbus Protocol WCtlCom Mode 51 8 1 2 4 Active Power Limitation with Absolute Value WCnstMode ooooooccccccoccccccco rc 51 8 1 2 5 Active Power Limitation as a Percentage of Nominal Power VArCnstNom Mode ooooccccccccocoo 51 8 1 2 6 Active Power Limitation via Standard Signal WCnstNomAnIn Mode cece cece e eee eee 52 4 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG Table of Contents 8 1 3 Displaying the Status of Active Power Limitation o 0 00 cee eee roo 52 8 1 4 Displaying Error Messages and Warnings for Active Power Limitation 0 0 0 e cece e eee 52 8 2 TREGENVE Pow r Control Wk inet nn atlas rd e a Gide a i oaks Cah A 53 8 2 1 Mode of Reactive Power Control 00 b tee eben eee nnaes 53 8 2 1 1 Selecting the Mode with the Parameter QVArMod 0 6 cent enn nett e ene ees 53 8 2 1 2 No Reactive Power Control Off Mode 0 ccc cence arrarua ranor arar 54 8 2 1 3 Reactive Power Control with Setpoint Command via Modbus Protocol VArCtlCom Mode 55 8 2 1 4 Reactive Power Control with Setpoint Command via Modbus Protocol PFCHCom Mode 0 55 8 2 1 5 Reactive Power Control with Absolute Value VArCnst Mode cece eee teen eeeee eens 55 8 2 1 6 Reactive Power Control as a Percentage of the Nominal Power VArCnstNom Mode 00 0 000s 55 8 2 1 7 Reactive Powe
71. elps perform 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 configured flexibly by parameterization of the slopes a type of deadband through two voltage points a hysteresis and the thresholds for activation QVolWidNom Qocomax VAr Q VArGraNomPos Q VolNomP2 QVolNomP1 ll Q VArGraNomNeg Q Q VolWidNom Figure 33 Characteristic curve for reducing reactive power with deadband and hysteresis The parameter Q VArTmsSpnt determines the delay time which must elapse before the calculated reactive power setpoint is actively used In order to prevent mutual interference of several systems with this function the parameter Q VArTmsVtg can be used to set a delay time This delay time defines how long a voltage change must be pending before a change in reactive power feed in is triggered Consequently control of the line voltage at the grid feed in point can be staggered across several systems You can activate and deactivate the delay time by means of the parameter Q EnaTmsVtg In addition the parameter Q VLockInTm can be used to define a voltage at which reactive power control will be activated after the time specified in parameter Q VLockInTm has elapsed If the voltage exceeds the threshold defined in parameter Q VLockOutW the reactive power control will be deactivated once the time
72. em design e Check DC terminals for correct polarity e Check the functionality of the entire string 4004 String current monitoring has W W e Check the functionality of the detected a defective string entire string 80 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 10 Troubleshooting 10 4 5 Error Numbers 60xx to 90xx Disturbance on the Sunny Central Errorno Explanation Behavior of the Corrective measures Sunny Central 1 2 R 6002 Calibration data cannot be loaded Q Q Contact the SMA Service Line 6113 Data block cannot be loaded from W W EEPROM or channel list has changed e g after firmware update 6115 Setting of hardware thresholds on 5min Smin x D A converters not possible 6116 Real time clock not initialized W W 6117 Device address not recognized 5min 5min x 6118 Parameter file invalid W W 6119 Data structure for communication 5 min 5 min x between operation control unit and digital signal processor invalid 6120 Watchdog tripping error 30 s W 6121 No response from watchdog 30s W 6122 Ten internal monitoring errors have W 5 min occurred in succession 6123 Software runtime error W W 6128 Internal runtime error 5 min 5 min x 6404 Overcurrent on line conductor L1 C Q x L2 or L3 6405 Overvoltage in the DC link of the 30 s 5 min inverter bridge 6410 24 V voltage supply invalid 5min Smin x 6417 15 V voltage supply
73. emote Soft Grounding up to three times per day If the Remote Soft Grounding triggers on several consecutive days the software will assume that a permanent insulation error has occurred and the Sunny Central will no longer revert to operation In this case a qualified person will need to check and if necessary repair the insulation and then acknowledge the error When the Remote Soft Grounding is open the grounding connection is disabled In this state the insulation monitoring device continuously measures the insulation resistance In the operating state MPP load operation the insulation resistance of the entire system from the PV array to the MV transformer will be measured If the Sunny Central is in the operating state Grid monitoring only the insulation resistance from the PV array to the Sunny Central will be measured Insulation monitoring should be performed in the operating state MPP load operation so that all sections of the PV system are included in the insulation measurement Insulation Monitoring To disable the grounding of the PV array the RemMntSvc parameter must be set to On The Remote Soft Grounding will then be opened via a high voltage relay If the Remote Soft Grounding has been opened by relay via the RemMntSvc parameter the insulation monitoring device will start measuring after the period defined by the IsoMeasDly parameter has elapsed This allows the insulation monitoring device to determine the insulation
74. en 12 User Manual SMA Solar Technology AG 10 Troubleshooting 10 Troubleshooting 10 1 Safety During Troubleshooting A DANGER Danger to life from electric shock due to high voltages in the Sunny Central Even under fault conditions there will be high voltages present in the Sunny Central Touching live components results in death or serious injury due to electric shock e All activities described in this section must be carried out by qualified personnel only e Observe all safety precautions when working on the Sunny Central e Wear suitable personal protective equipment for all work on the device e If you cannot remedy the disturbance with the help of this document contact the SMA Service Line 10 2 Reading Off Disturbance Messages If an error occurs you can read off the error on the touch display or on the user interface 10 2 1 Reading Off Disturbance Messages via Touch Display If an error occurs a warning symbol is shown on the touch display Procedure e Select the fj warning symbol M The touch display lists the error number waiting time error message and the necessary corrective measure to eliminate the disturbance 10 2 2 Reading Off Disturbance Messages via User Interface You can read off errors on a PC or laptop via the user interface Procedure 1 Log into the user interface 2 To display the error number select the instantaneous value ErrNo in the instantaneous value view 3 To displa
75. entation and with the local standards and directives Any other use can result in personal injury and property damage Suitable personal protective clothing is to be worn by all persons working on or with the Sunny Central Unauthorized persons must not operate the Sunny Central and must be kept at a safe distance from the Sunny Central The Sunny Central must not be operated with its doors open The Sunny Central must not be opened when it is raining or when humidity exceeds 95 The Sunny Central must not be operated with any technical defects 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 Any use of the Sunny Central other than that described in the Intended Use section does not qualify as appropriate User Manual SCCP JP BA A4 en 1 2 9 2 Safety SMA Solar Technology AG 2 2 Safety Precautions This section contains safety precautions 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 read this section carefully and follow all safety precautions at all times A DANGER Danger to life from electric shock due to live voltage High voltages are present in the live components of the Sunny Central Touching live components results in death or serious injury due to electric shock e When wor
76. ers to the 1 power setpoint change nominal power Pmax in one voltage step Q VDifTm Time period for which a Osto 120s ls voltage change must be present before the reactive power setpoint Q VArGra changes Q VRtgOfsNom Changes the nominal 10 to 10 The parameter is active 0 voltage VRtg of only if the parameter voltage dependent Q VArMod is set to reactive power control VArCtiCol QVArGraNom Reactive power 0 V to 22 0 V SC 500CP JP 0 V groeien 0 V to 15 7 V SC 630CP JP 0 V to 12 5 V SC 800CP JP QVolWidNom Voltage spread 0 to 20 0 Q VolNomP1 Voltage at point 1 80 to 120 100 Q VolNomP2 Voltage at point 2 80 to 120 100 User Manual SCCP JP BA A4 en 1 2 95 12 Parameters SMA Solar Technology AG Name Description Value range Explanation Default value Q VArTmsSpnt Time setting of the 0 2 sto 20s 10s characteristic curve point Q VArTmsVtg Delay of line voltage 0 2 sto 20s 10s Qlimit Reactive power of O kVAr to 500 kVAr SC 500CPJP 220 kVAr ia O kVAr to 700 kVAr SC 630CP JP 310 kVAr O kVAr to 880 kVAr SC 800CP JP 385 kVAr Qmax Limitation of the reactive O kVAr to 220 kVAr SC 500CPJP 220 kVAr power ellie OKVArto 310 kVAr SC 630CP IP 310 kVAr Sunny Central O kVAr to 385 kVAr SC 800CP JP 385 kVAr QoDQmax Limitation of the reactive O kVAr to 500 kVAr SC 500CP JP 150 kVAr power orhe sunny O kVAr to 700 kVAr SC 630CPJP 210 kVAr Central in the opera
77. evMin Threshold for switching to feed in OVto1 200V SC 500CP JP 410V dci O V to 1 200 V SC 630CPJP 610V OV to 1 200V SC 800CP JP 760 V 102 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 12 Parameters Name Description Value range Explanation Default value PVStrT Timer once the specified time has lsto300s 90s elapsed the Sunny Central switches from the operating state Grid monitoring to the operating state Grid monitoring time reached QoDInvCurPv Minimum allowed reverse current to 1 600Ato 60A PV array OA Serial number Serial number of the Sunny Central O to 0 2147483647 SpntRemEna Remote activation of the system Stop Deactivated Run Run Activated TmSet Time O to 235959 hhmmss TmZn Time zone GMT 12 00to Configurable time GMT 9 00 GMT 12 00 zones VArGra Gradient of reactive power change 0 s to 20 s 200 s To view or change this parameter you must enter the installer password This parameter can only be viewed To change this parameter you must enter the installer password 12 2 Sunny Central String Monitor Controller Name Description Value range Explanation Default value Serial number Display of serial number Value cannot be changed Firmware Firmware version of operation O to 255 0 control unit Firmware2 Firmware version of digital 0 to 255 0 signal processor Dt Date entry 20060101 to Entered in the format 20
78. f utility grid failure the load in the shut down sub grid is roughly equivalent to the current feed in power of the PV system With active islanding detection the Sunny Central continuously checks the stability of the utility grid by actively attempting to influence the power frequency If the utility grid is intact this has no impact on the utility grid The power frequency can only be influenced if a stand alone grid has been established In this case the frequency change is sufficient to exceed the configured frequency limits and the Sunny Central disconnects from the utility grid see Section 7 3 Setting Power Frequency Monitoring page 47 To enable the Active Islanding Detection function contact the SMA Service Line 3 9 2 Passive Islanding Detection Depending on the order option the Sunny Central may be equipped with passive islanding detection The islanding detection function detects the formation of stand alone grids and disconnects the Sunny Central from the utility grid Istanding can occur when at the time of utility grid failure the load in the shutdown sub grid is roughly equivalent to the current feed in power of the PV system Unlike active islanding detection with passive islanding detection the utility grid is not actively influenced but simply passively monitored This involves monitoring the speed of the frequency change A grid monitoring relay is integrated in the Sunny Central for this purpose This relay moni
79. five minutes one of the errors 3501 Insulation error 3504 Insulation error ignored or 3601 Warning insulation error is displayed the insulation is defective In this case a qualified person will need to check and if necessary repair the insulation and then acknowledge the error Type of insulation monitoring device used The insulation monitoring device used is the AISOMETER iso PV1685 device supplied by Bender GmbH amp Co KG 3 7 4 2 Remote GFDI and Insulation Monitoring Device With the order option Remote GFDI and Insulation Monitoring it is possible to automatically correct errors which have occurred to temporarily disable the grounding connection of the PV array and to check the insulation with the integrated insulation monitoring device When the Remote GFDI is closed the PV array is grounded In this state the insulation resistance cannot be determined If the Remote GFDI triggers initially a temporary error will be assumed and a motor drive will close the Remote GFDI after a defined delay No external switch command is required to close the triggered Remote GFDI The Sunny Central will switch back to feed in operation after a defined delay In the default setting of the Sunny Central the software will attempt to start the Remote GFDI up to three times per day If the Remote GFDI triggers on several consecutive days the software will assume that a permanent insulation error has occurred and the Sunny Central will no lon
80. g can be used to set a delay time This delay time defines how long a voltage change must be pending before a change in reactive power feed in is triggered Consequently control of the line voltage at the grid feed in point can be staggered across several systems You can activate and deactivate the delay time by means of the parameter Q EnaTmsVtg In addition the parameter Q VLockInTm can be used to define a voltage at which reactive power control will be activated after the time specified in parameter Q VLockInTm has elapsed If the voltage exceeds the threshold defined in parameter Q VLockOutW the reactive power control will be deactivated once the time specified in parameter Q VLockOutTm has run out 62 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 8 Power Control 8 2 2 Displaying Error Messages and Warnings for the Reactive Power Setpoint The instantaneous value Q VArModFailStt displays errors or warnings relating to the reactive power setpoint Procedure e Display the instantaneous value Q VArModFailStt on the user interface see Section 6 1 page 40 Display Description Off No mode for specifying the reactive power setpoint has been selected OK A mode for specifying the reactive power setpoint has been selected and no error is present ComFail The VArCtlCom or PFCtICom mode has been selected and the expected signal with a valid reactive power setpoint has been absent for at least five minutes Correctiv
81. g data When the parameter IsoErrlgn is set to On the error 3504 Insulation error ignored is displayed The displayed error 3504 has not disappeared after approximately 15 minutes The insulation is defective e Have the insulation checked and if necessary repaired by a qualified person e Acknowledge the error see Section 10 3 page 75 2 Wait a few minutes and then display the instantaneous value Riso on the user interface see Section 6 1 page 40 M The insulation resistance is greater than 45 k Q It is safe to enter the PV system The insulation resistance is less than 45 kQ 2 There is an insulation error and you must not enter the PV system e Have the insulation checked and if necessary repaired by a qualified person 9 2 3 Switching to Grounded Operation Set the parameter RemMntSvc to Off see Section 6 2 Changing Parameters page 40 User Manual SCCP JP BA A4 en 1 2 73 9 Setting the Insulation Monitoring of the PV System SMA Solar Technology AG 9 3 Setting the PV System to Insulation Monitoring with Remote Soft Grounding and an Insulation Monitoring Device 9 3 1 Information on Insulating PV Modules with Remote Soft Grounding and an Insulation Monitoring Device Ground fault monitoring with Remote Soft Grounding does not provide protection from injury The option Remote Soft Grounding and insulation monitoring device allows the PV array to be switched automatically from grounded operation to insulated opera
82. ger revert to operation In this case a qualified person will need to check and if necessary repair the insulation and then acknowledge the error When the Remote GFDI is open the grounding connection is disabled In this state the insulation monitoring device continuously measures the insulation resistance In the operating state MPP load operation the insulation resistance of the entire system from the PV array to the MV transformer will be measured If the Sunny Central is in the operating state Grid monitoring only the insulation resistance from the PV array to the Sunny Central will be measured Insulation monitoring should be performed in the operating state MPP load operation so that all sections of the PV system are included in the insulation measurement 26 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 3 Product Description Insulation Monitoring To disable the grounding of the PV array the RemMntSvc parameter must be set to On This will open the Remote GFDI by means of a motor drive If the Remote GFDI has been opened by a motor drive via the RemMntSve parameter the insulation monitoring device will start measuring after the delay defined in the IsoMeasDly parameter has elapsed This allows the insulation monitoring device to determine the insulation resistance without interrupting the feed in operation If an insulation error is present this will only be taken into account at the end of the delay time On
83. hannels since this number is automatically adopted for the grouped channels Procedure 1 Select the desired Sunny String Monitor from the device list 2 Select the Parameters tab 3 Enter the number of PV strings per measuring channel in the parameter fields No of Strings 1 to No of Strings 8 or the number of PV strings for all measuring channels in the field No of Strings 4 Confirm the entry with Save 6 4 4 Assigning PV Strings to Different Groups In the Sunny Central String Monitor Controller the PV string data is continuously monitored and the group data compared so that potential errors are detected immediately It is therefore advisable to split the PV strings into different groups if some strings are shaded aligned differently or equipped with different modules By default all PV strings are assigned to Group 1 Group 0 is not monitored which means only PV strings excluded from monitoring should be assigned to this group Procedure 1 Select the desired Sunny String Monitor from the device list 2 Select the Parameters tab 3 Select the parameters Group String 1 to Group String 8 and assign them to a group see Section 6 2 page 40 Each group must include at least four measuring channels 4 Confirm the entry with Save 6 4 5 Setting the Tripping Time You can use the tripping time to set the sensitivity of the string current monitoring since the tripping time is a factor in the calculation of the error s
84. he PV array is grounded In this state the insulation resistance cannot be determined When the GFDI is open grounding is disabled In this state the insulation monitoring device continuously measures the insulation resistance In the operating state MPP load operation the insulation resistance of the entire system from the PV array to the MV transformer will be measured If the Sunny Central is in the operating state Grid monitoring only the insulation resistance from the PV array to the Sunny Central will be measured Insulation monitoring should be performed in the operating state MPP load operation so that all sections of the PV system are included in the insulation measurement Insulation Monitoring The insulation monitoring device will start measuring once the GFDI is open The insulation monitoring device will initially assume that the insulation is poor If the parameter IsoErrlgn is set to Off the Sunny Central will switch off temporarily The insulation monitoring device takes approximately five minutes to detect the correct insulation resistance The value of the insulation resistance can be read off from the user interface in the instantaneous value Riso If the insulation is intact the Sunny Central switches back to the operating state MPP load operation Once the insulation monitoring process is complete the GFDI should be closed again thus enabling the PV array to revert to grounded operation If after approximately
85. in reactive current In this case the behavior of the Sunny Central depends on the percentage ratio of the line voltage Va d to nominal voltage V With limited dynamic grid support the Sunny Central interrupts grid feed in during the grid voltage drop Voea U 100 90 20 0 1 2 5 Atl Figure 11 Maximum duration of a voltage drop that the Sunny Central can bridge without disconnecting from the utility grid User Manual SCCP JP BA A4 en 1 2 29 3 Product Description SMA Solar Technology AG Ratio Voria V 90 to 100 Behavior of the Sunny Central The ratio of line voltage Vgrig to nominal voltage V is in the normal range and the Sunny Central feeds in without any problem 20 to 90 The ratio of line voltage Vo ig to nominal voltage V is in the critical range There is a disturbance in the utility grid While this error is present the Sunny Central supports the utility grid with reactive current The Sunny Central can bridge errors of up to 5 s without disconnecting from the utility grid If the configured grid monitoring time is exceeded during this period the Sunny Central disconnects from the utility grid 0 to 20 The ratio of line voltage Vgrig to nominal voltage V is in the critical range There is a disturbance in the utility grid While this disturbance is present the Sunny Central supports the utility grid with reactive current The Sunny Central can bridge disturbances of up to 1 2 s withou
86. ing Waiting for valid AC grid appears in the touch display The grid limits are monitored continuously from now on If a grid error does not occur during the grid monitoring time the AC contactor closes and the Sunny Central switches to the operating state Grid monitoring time reached If the grid limits are exceeded during the monitoring time the Sunny Central restarts Grid monitoring With the order option Q at Night the Sunny Central switches to the Q at Night operating state if the time specified in the parameter PvStrT has elapsed and the start voltage PvVtgStrLevMin has not been reached see Section 3 8 8 Q at Night page 31 Grid Monitoring Time Reached The Sunny Central is in the operating state Grid monitoring time reached Waiting for PV voltage or Waiting for utilities company appears on the touch display If the input voltage Vpy is higher than the start voltage PvVtgStrLevMin the Sunny Central waits until the time specified in the parameter PvStrT has elapsed If the input voltage Vpy does not fall below the start voltage PvVtgStrLevMin during this time the Sunny Central checks whether the AC grid is connected If a valid AC grid is connected the Sunny Central switches to the operating state Startup The start voltage PvVtgStrLevMin must be adjusted to conform with the PV array connected to the Sunny Central Startup The Sunny Central is in the operating state Startup Operation appears on the t
87. ing Instantaneous Values The SC COM operating manual contains a detailed description of the user interface Procedure 1 Log into the user interface Enter the installer password in the appropriate field on the homepage and confirm with Login Select Data gt Devices Select Li BR 0 N M A list of the existing device types appears 5 Select the desired device type M A list appears containing all existing devices of this type 6 Select the desired device from the list 7 Select the tab Instantaneous values 6 2 Changing Parameters Parameters are changed via the user interface You can access the user interface either on site via a laptop or remotely via a PC Procedure 1 Log into the user interface 2 Enter the installer password in the appropriate field on the homepage and confirm with Login 3 Select PV system gt Devices A Select E M A list of the existing device types appears Nn Select the desired device type M A list appears containing all existing devices of this type Select the desired device from the list Select the tab Parameters Change the desired parameter Oo ON Oo Confirm the parameter entry with Save 6 3 Setting the String Current Monitoring on the Sunny Central String Monitor Controller To configure the string current monitoring of the PV system on the Sunny Central String Monitor Controller you must perform the following steps in the given order
88. ing PV Strings to Different Groups 0ooocccocccoccccnc oc 43 GA Setting the Tripping lime did AS 43 64 6 Setting the Tolerances 2 4 tics ii A A A A Bae 44 6 5 Configuring the Remote Shutdown vaa A A 44 6 6 Deactivating the Fully Hermetic Transformer Protecti0N oooooccccoocccccoooccco teens 44 Z Grid Monitoring O era 45 7 1 How Grid Monitoring Works st e uneer te ee Lt MG ae Miele ed tee 45 7 2 Setting Line Voltage Monitoring iia A bee ed eae Se 45 7 3 Setting Power Frequency Monitoring s s 0 eee teen eens 47 7 4 Grid Connection after Elimination of Erors 34 5005 eee eed oe n 47 7 5 Setting the Active Power Ramp Ups iii a A it Rc 47 7 6 Setting the Medium Voltage eoocorid wd bb pete awit ewe eevee ideas pin 48 7 7 Activating the Manual Resume Mode ii A A veel aide 48 8 Power Control sico asii 49 8 1 Active Power Limitation o oooooccoccocooccnorc o 49 8 1 1 Frequency Dependent Active Power Limitation 2 0 0 0 cece teen eee 49 8 1 1 1 Principle of Frequency Dependent Active Power Limitation 00oooocococococccocca oro 49 8 1 1 2 Setting the Mode of Frequency Dependent Active Power Limitation and Associated Parameters 50 8 1 2 Frequency Independent Active Power Limitation 0 cece eee eee 50 8 1 2 1 Selecting the Mode with the Parameter PWMod 0 eee c eee t ee n nent en nee eee nas 50 8 1 2 2 No Active Power Limitation Off Mode a an ccc tenet rent ene b
89. ion PFCnstAnIn The reactive power setpoint is imported via the analog input for setpoint specification The analog value is converted into a displacement power factor cos PFCtlW The displacement power factor cos is set as a function of the feed in power The dependency is depicted by a configurable characteristic curve VArCtlVol The reactive power is set as a function of the line voltage VArCtlVolHystDb The provision of reactive power helps perform voltage stabilizing measures in the event of overvoltage or undervoltage The parameterization is carried out by means of a reactive power voltage characteristic curve VArCtlVolHysDbA The provision of reactive power helps perform voltage stabilizing measures in the event of overvoltage or undervoltage The parameterization is carried out by means of a reactive power voltage characteristic curve and an activation power i Parameter block The parameter VARMod can only be changed in the operating state Stop The entry will not be accepted in any other operating state Procedure 1 Ensure that the Sunny Central is in the operating state Stop na A 0 N as follows Setting LastVal Log into the user interface Change the parameter Q VarMod see Section 6 2 page 40 Change any parameters associated with the selected mode Use the parameter PwrMonErrMod to select the desired inverter behavior in the absence of setpoint specifications Description If specified via co
90. ity of the Sunny Central Do not open the Sunny Central during rainfall or humidity of more than 95 e Only open the Sunny Central when the environment is dry and free of dust Do not operate the Sunny Central with the door open Operation failure of the PV system due to incorrectly set parameters If the parameter settings for grid management services are incorrect the PV system may not be able to meet the requirements of grid management services This can mean that yield losses are incurred and the inverter has to be disconnected by the grid operator e When setting the modes of grid management services ensure that the control procedures agreed with the grid operator are parameterized e Ifthe PV power plant is operated with a Power Plant Controller ensure that the mode WCtlCom for active power limitation and the mode VArCtlCom or PFCtlCom for reactive power control are selected in the Sunny Central 2 3 Skills of Qualified Persons The tasks described in this document must be performed by qualified persons only Qualified persons must have the following skills Knowledge of how a Sunny Central works and is operated Training in how to deal with the dangers and risks associated with installing and using electrical devices and systems e Training in the installation and commissioning of electrical devices and systems Knowledge of all applicable standards and directives Knowledge of and adherence to this manual and all
91. king in a high contactrisk environment wear personal protective equipment Do not touch any live components e Follow the instructions precisely Observe all warning messages on the product and in the documentation Observe all safety precautions of the module manufacturer e Provided live voltage is not absolutely necessary always disconnect the following components from voltage sources before performing any work on the inverter Line voltage for grid feed in Internal power supply DC voltage from the PV array Additional external voltages e g control signals from a control room e Ensure that no disconnected components can be reconnected e After disconnecting the Sunny Central from voltage sources wait at least 15 minutes for the capacitors to discharge completely before opening the Sunny Central e Before working on the Sunny Central check that all devices are completely voltage free e Ground and short circuit e Cover or isolate any adjacent live components Danger to life from electric shock due to live DC cables DC cables connected to PV modules that are exposed to sunlight carry live voltage Touching live cables results in death or serious injury e Wear suitable personal protective equipment for all work on the Sunny Central Danger to life from electric shock due to ground fault If a ground fault has occurred parts of the PV system that are supposedly grounded may in fact be live Touching incorrectly groun
92. les You will find the following information in the error tables in Sections 10 4 3 10 4 4 and 10 4 5 Error no Explanation R Corrective measures 1301 Left rotating magnetic field is e Check phase angle connected 3803 DC current of PV array is too high x e Check DC input current 0104 Line voltage is too high e Check line voltage Figure 34 Structure of error table example Position Explanation A Behavior of the Sunny Central error level S1 error level S2 s min waiting time C system specific D day change Q waiting for acknowledgement W warning B Reset User Manual SCCP JP BA A4 en 1 2 77 10 Troubleshooting SMA Solar Technology AG 10 4 3 Error Numbers 01xx to 13xx Disturbance on the Utility Grid After a grid failure the Sunny Central monitors the utility grid for a certain time before reconnecting When the Sunny Central monitors the utility grid after a grid error the grid monitoring time is maintained Certain grid errors cause the Sunny Central to shut down In this case the instantaneous value TmsRmg indicates the time for which the Sunny Central monitors the utility grid before reconnecting This grid monitoring time after a grid error can be defined in parameter GdErrTm You can prevent automatic reconnection of the Sunny Central after a grid error has occurred by setting the parameters see Section 8 Power Control page 49 Only after acknowledgement of the error will the Sunny Cent
93. mmunication utilization of the last value received In case of analog setpoints utilization of the last valid mean value SubVal Utilization of the configured proxy values SMA recommends use of the proxy values when setpoint specifications are effected via analog signals 6 If SubVal has been selected enter the proxy values for normal feed in operation and for operation outside of normal feed in operation as follows Parameters Description Q VArSubValRun Proxy value for the reactive power setpoint in feed in operation PF PFSubValRun Proxy value for the displacement power factor in feed in operation PF PFExtSubValR Proxy value for the excitation of the displacement power factor in feed in operation Q VArSubVal Proxy value for the reactive power setpoint outside of feed in operation PF PFSubVal Proxy value for the displacement power factor outside of feed in operation PF PFExtSubVal Proxy value for the excitation of the displacement power factor outside of feed in operation 7 In the parameter PwrMonErrTm configure the time lapse until recognition of the absence of setpoint specifications 8 Confirm the parameter entry with Save 8 2 1 2 No Reactive Power Control Off Mode The reactive power setpoint is limited to O kVAr This setpoint cannot be controlled 54 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 8 Power Control 8 2 1 3 Reactive Power Control with Setpoint Command via Modbus P
94. ms concerning our products contact the SMA Service Line We require the following information in order to provide you with the necessary assistance e Device type e Serial number e Type and number of connected modules e Type of communication e Error number and error message User Manual SCCP JP BA A4 en 1 2 107 SMA Solar Technology www SMA Solar com
95. n Q VArSubValRun Proxy value for the reactive power setpoint in feed in operation PF PFSubValRun Proxy value for the displacement power factor in feed in operation PF PFExtSubValR Proxy value for the excitation of the displacement power factor in feed in operation Q VArSubVal Proxy value for the reactive power setpoint outside of feed in operation 64 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 8 Power Control Parameters Description PF PFSubVal Proxy value for the displacement power factor outside of feed in operation PF PFExtSubVal Proxy value for the excitation of the displacement power factor outside of feed in operation 7 In the parameter PwrMonErrTm configure the time lapse until recognition of the absence of setpoint specifications 8 Confirm the parameter entry with Save 8 3 2 No Q at Night Off Mode The reactive power setpoint is limited to O kVAr This setpoint cannot be controlled 8 3 3 Q at Night with Setpoint Command via Modbus Protocol VArCtiCom Mode The reactive power setpoint is received via the Power Reducer Box or the Power Plant Controller The setpoint is transmitted as a percentage and converted to kVAr in the device If the Sunny Central has not received any signal for the last five minutes the error message Q VArModFailStt will be displayed see Section 8 2 2 page 63 8 3 4 Q at Night with Absolute Value VArCnst Mode The reactive power setpoint is set using th
96. n The insulation and ground fault monitoring ensure system protection The type of monitoring depends on whether the PV array is grounded or not 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 User Manual SCCP JP BA A4 en 1 2 21 3 Product Description SMA Solar Technology AG 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 Information 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
97. n Default value P VigGraNom Active power gradient 0 017 s to 0 166 s for voltage dependent 100 000 s active power limitation P VigEna Activation of Off Deactivated Off vollage cependent 2 On Activated active power limitation PVigNomP1 Voltage at point 1 100 to 120 110 P VigNomP2 Voltage at point 2 90 to 120 100 P VigAtMin Minimum active power 0 to 100 20 for voltage dependent active power limitation PwrApLimitPrio Prioritization of reactive PrioPwrRt Prioritization of reactive PrioPwrRt power or active power power PrioPwrAt Prioritization of active power P WSubVal Proxy value for active O kW to 1 000 kw SC 500CP JP 500 kW power limitation outside SC 630CPJP 700 kW of normal feed in operation in the event of SC 800CP JP 880 kw communication failure PF PFSubVal Proxy value for cos p 0 5 to 1 The value 0 5 cannot be 1 outside of normal reached in normal feed in operation in the operation event of communication failure PF PFExtSubVal Proxy value for OvExt Lagging OvExt excitation type in the UnExt odas event of communication disturbance P WSubValRun Proxy value for the O kW to 1 000 kw SC 500CP JP 500 kW active power limitation SC 630CP JP 700 kw during feed in operation in the event of SC 800CP JP 880 kw communication disturbance PF PFSubValRun Proxy value cos in 0 5 to 1 The parameter should not 1 normal feed in fall below 0 8 in normal operation in the event of operation communication disturbance PF PFExtSu
98. n of the displacement power factor via the parameters PF PF and PF PFExt PFCnstAnIn PFCtlW Specification of displacement power factor cos p at the analog input QEx Spnt via control unit Specification of displacement power factor cos p as a function of the feed in power VArCtlVol Specification of reactive power as a function of the line voltage 94 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 12 Parameters Name Description Value range Explanation Default value VArCtlVolHystDb Specification of reactive power as a function of the line voltage Q f V characteristic curve VArCtlVolHysDbA Specification of reactive power as a function of line voltage with activation power Q VArSubVal Proxy value for reactive 220 kVAr to 220 kVAr SC 500CP JP O kVAr power setpoint outside o RYA t 310 KVA SC 630CPIP of normal feed in operation in the eventof 385 kVAr to 385 kVAr SC 800CP JP communication disturbance Q VArSubValRun Proxy value for reactive 220 kVAr to 220 kVAr SC 500CP JP O kVAr Pome Pan 310 kVAr to 310 kVAr SC 630CPJP normal feed in operation in the eventof 385 kVAr to 385 kVAr SC 800CP JP communication disturbance Q VDif Definition of voltage 0 1 to 10 The value refers to the 1 change leading to a nominal voltage VRtg change in reactive power QVArGra Definition ofthe reactive 0 to 100 The value ref
99. ndent Active Power Limitation 8 1 1 1 Principle of Frequency Dependent Active Power Limitation For active power limitation based on power frequency the Sunny Central constantly checks the connected power frequency If the active power is to be limited by a hysteresis the parameter WCtlHzMod must be set to CurveHys W 1 i i 1 D C A Figure 18 Behavior of the Sunny Central when the P HzStr frequency limit is exceeded If the power frequency exceeds a threshold defined in the parameter P HzStr shown here at point A the Sunny Central will save the current feed in power Pour The reduced feed in power is calculated based on this saved value The reduction of the feed in power is defined via the parameter P WGra This parameter indicates the percentage of the saved power Pour by which the power per Hz will be reduced if the power frequency continues to rise If the power frequency decreases again as shown in point B the last feed in power value reached will remain valid Only once the power falls below the threshold defined in the parameter P HzStop shown here at point C can the feed in power be increased again In this case the saved value Pnom forfeits its validity In addition it is possible to define a minimum power frequency threshold shown here at point D using the parameter P HzStopMin Once the power frequency exceeds the grid limit the Sunny Central will shut down and switch t
100. nfiguration of the parameters for grid monitoring Procedure 1 Log into the user interface 2 Change parameters for grid monitoring see Section 6 2 page 40 3 Confirm the parameter entry with Save 7 4 Grid Connection after Elimination of Error If a grid fault has been eliminated on the Sunny Central it will only switch back on once the line voltage has met certain conditions The line voltage and the power frequency must remain within the set thresholds for grid connection for the duration of the grid monitoring period Until the grid connection conditions are met the error message 1500 Grid reconnection fault appears in the touch display You can prevent automatic reconnection of the Sunny Central by setting the parameters see Section 7 7 Activating the Manual Resume Mode page 48 The Sunny Central will not switch back on until the error has been acknowledged 7 5 Setting the Active Power Ramp Up 1 Log into the user interface 2 Set the parameter WGra to the required value see Section 6 2 page 40 3 Confirm the parameter entry with Save User Manual SCCP JP BA A4 en 1 2 47 7 Grid Monitoring SMA Solar Technology AG 7 6 Setting the Medium Voltage The medium voltage of the Sunny Central must match the medium voltage of the medium voltage grid It is important that the transmission ratio of the external MV transformer is adjusted at the same time The undervoltage side is already preset for the specific devi
101. ng of the PV System 9 1 3 Switching to Grounded Operation 1 Set the key switch on the Sunny Central to Stop Wait 15 minutes before opening the Sunny Central This will ensure that the capacitors are discharged Open the Sunny Central Switch the GFDI circuit breaker on Close the Sunny Central O nA KR ON Set the key switch on the Sunny Central to Start 9 2 Setting the PV System to Insulation Monitoring with Remote GFDI and an Insulation Monitoring Device 9 2 1 Information on Insulation Monitoring of the PV System with Remote GFDI and an Insulation Monitoring Device Ground fault monitoring with Remote GFDI does not provide protection from injury The option Remote GFDI and insulation monitoring device allows the PV array to be switched automatically from grounded operation to insulated operation To ensure that there is no insulation error on the grounded terminal an insulation measurement is carried out After switching to insulated operation the insulation monitoring device checks each terminal of the PV array for potential insulation errors Switching to insulated operation is useful for performing maintenance or service work on or near the PV array e g cutting the grass or for checking the status of the insulation at regular intervals 9 2 2 Switching to Insulated Operation 1 Set the parameter RemMntSvc to On see Section 6 2 Changing Parameters page 40 M The insulation monitoring device starts collectin
102. nual SMA Solar Technology AG 10 Troubleshooting Errorno Explanation Behavior of the Corrective measures Sunny Central 1 2 0801 One line conductor of the utility grid 30s 30 s e Check line voltage 0802 has failed e Make sure the external fuses function properly e Make sure the AC cable connections are securely connected 1301 Left rotating magnetic field is 30 s Q e Check phase angle connected Make sure all fuses are switched on 1500 The conditions for grid reconnection W W e Check power frequency and have not yet been reached after a grid error line voltage Depending on the parameterization the error message may have to be acknowledged manually 10 4 4 Error Number 34xx to 40xx Disturbance on PV Array Errorno Explanation Behavior of the Corrective measures Sunny Central 1 2 R 3403 Voltage of PV array is too high 15 min 30 min e Check DC input voltage 3404 Open circuit voltage is too high 15 min 30min e Check module wiring and Disturbance detected through PV system design standard monitoring 3406 DC voltage is too high 15 min 30 min 3501 Insulation monitoring device has C C e Check PV array for ground measured insufficient grounding faults resistance With the options GFDI and insulation monitoring device and Remote GFDI and insulation monitoring device the insulation monitoring device is only active when the GFDI and the Remote GFDI respectively are open 3502
103. number of devices to be detected enter the number of Sunny String Monitors 2 3 Select Start detection M The detection of all devices starts Once all devices have been detected the message Device detection finished is displayed M The devices are detected and are now listed in the device view Adjusting the Identification of the Sunny String Monitors 1 Select the first Sunny String Monitor from the device list 2 Select the Parameters tab 3 Select the parameter SSMId and allocate a unique identification number to the Sunny String Monitor Note the identification number 4 Adjust the identification of the remaining Sunny String Monitors using the same process 6 4 Optional Settings of the Sunny Central String Monitor Controller 6 4 1 Changing the Communication Period The communication period is the time for which the Sunny Central String Monitor Controller communicates with the Sunny String Monitors The communication period is set from 10 00 a m to 3 00 p m by default Procedure 1 Select the parameter MoniTmComOn and set the start of the communication period see Section 6 2 page 40 2 Select the parameter MoniTmComOff and set the end of the communication period 3 Confirm the entry with Save 6 4 2 Changing the Monitoring Period The monitoring period refers to the time for which the PV system is monitored by the Sunny String Monitors The monitoring period is set from 10 00 a m to 3 00 p m by default
104. o 2014 SMA Solar Technology AG All rights reserved 2 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG Table of Contents Table of Contents 1 Information on this Document vida A Chea tks Ea eae Aa eRe ees 7 2 SONG ain AS a staan eee Weal outed Gade eae ou a ele gale d ta 9 Dal A eee nenl ede sole Pie ered w EOE Ve bE NERY ESV ED ee CECE RAT EL REESE 9 22 Sale Precautions cord is ds eda 10 23 Skills of Qualified PO de a ee 12 2 4 Personal Protective Equipment vis ple delo li e prep 13 3 Product Despi A TA A wearers 14 3 1 PY System Overvie Wei A A Rod 14 3 Ls Sunny Cold ia bad er bid 14 3 21 Designof the Sunny Central licor ce ee A 14 322 ype Label A a ts dano 15 3 2 3 gt Operating Modes 2 E A A AAA A AS 16 3 24 Touch Display tute E E a La ed E O e peed dt tE 18 3 23 Key Switch ai LS AA AT A AA AR AANG eae ds 18 3 3 Sunny Central Communication Controller e 19 3 4 Sunny Central String Monitor Controller uo a eee es 20 3 5 A e eh eked a aa hoe ce eh eee aes 20 BiG Exiernall FAST Opss A A A eit oR Clee tod lad 21 3 7 Ground Fault Monitoring and Insulation Monitoring 0 eects 21 IZA Mod ot Operation i si Inde dst a eee a Madea O 21 3 7 2 Ground Fault Monitoring in Grounded PV Arrays n 00 eee e ete een nes 22 3 7 2 1 Ground Fault Detection and Interruption GFDI 0 0 cece eee rr 22 BZ 252 Remote GED seasta era fet and Bt ied Was MR sh ya ed ed yd beh ask Sg la
105. o the PV system Danger to life due to blocked escape routes In hazardous situations blocked escape routes can lead to death or serious injury Opening the doors of two Sunny Central inverters located opposite each other blocks the escape route It is imperative that the escape route is freely accessible at all times e An escape route with a passage width of at least 500 mm must be available at all times Make sure the minimum passage width of the escape route meets local standards e Do not place any objects in the escape route area Remove all tripping hazards from escape routes If two Sunny Central inverters have been installed facing each other never open the doors of both inverters simultaneously Danger to life from electric shock when entering the PV field The ground fault monitoring with GFDI Remote GFDI or Soft Grounding does not provide protection from personal injury when GFDI is activated PV modules which are grounded with GFDI discharge voltage to ground Entering the PV field can result in lethal electric shocks e Configure the PV system as a closed electrical operating area e Before entering the PV field switch the PV array to insulated operation e Ensure that the insulation resistance of the PV field is greater than 1 kQ Danger to life from electric shock even if the inverter is disconnected on the AC and DC sides The precharge unit for the option Q at Night will be charged even if the AC contactor and
106. o the operating state Grid monitoring The Sunny Central remains in the operating state Grid monitoring until all feed in conditions are met again Calculating the power limit Prax Pmom Cae P HzStr x PWGra x P aom a Power limit Pour Current power fac Power frequency P WGra Gradient for reducing active power P HzStr Selected frequency limit from which feed in power will be reduced User Manual SCCP JP BA A4 en 1 2 49 8 Power Control SMA Solar Technology AG Example A 500 kW Sunny Central is feeding 350 kW P into the utility grid The frequency rises to 51 2 Hz The difference between the current power frequency and P HzStr 51 2 Hz 50 2 Hz multiplied by the gradient P WGra 40 Hz results in an active power reduction of 40 of the last available power Pour 350 kW This yields a power limitation of 140 kW and hence a maximum active power of 210 kW Calculation 210 kW 350 kW 51 2 Hz 50 2 Hz 40 Hz 350 kW 8 1 1 2 Setting the Mode of Frequency Dependent Active Power Limitation and Associated Parameters 1 Ensure that the Sunny Central is in the operating state Stop 2 Log into the user interface 3 If necessary set the parameter WCtlHzMod to CurveHys see Section 6 2 page 40 4 Change the parameters P HzStr P HzStop and P WGra 5 Confirm the parameter entry with Save 8 1 2 Frequency Independent Active Power Limitation 8 1 2 1 Selecting the Mode with the Parameter P WMod
107. olar Technology AG Observe all documentation supplied with the product 3 2 3 Operating Modes The Sunny Central cycles through various states during operation Connecting the supply voltage y E a gt Turning the key switch to Stop Turning the key switch to Stop Stop L 4 Turning the key switch to Start Setting the parameter Ackn i l Grid monitoring Waiting time expired N d Feed in conditions on i Feed in conditions not met AC grid met C Fault Grid monitoring A disturbance has L time reached Y occurred Figure 3 16 V gt PvVtgStrLevMin After a disturbance V gt MppVigPvMin T gt PvStrT i Startup L d g S MPP load operation gt Turning the key switch to Stop V lt PvVtgMin P lt PwrMin T gt PvPwrMinT Shutdown Principle overview of the operating states of the Sunny Central in normal operation SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 3 Product Description Designation Description Stop The Sunny Central is switched off Stop Fast stop or Remote shutdown active appears on the touch display If the key switch is set to Start the Sunny Central switches to the operating state Grid monitoring Grid Monitoring The Sunny Central is in the operating state Grid monitor
108. on of the parameter Pmax to the parameter Qmax If the value of Pmax exceeds the value of Qmax the characteristic curve will be limited to Qmax at the value Q and the reactive power value will remain constant at Qmax in the range from Qmax to Pmax max If the value of Pmax falls below the value of Qmax the characteristic curve will be limited to Qmax at the value Qmax and the reactive power value will remain constant at Qmax in the range from Pmax to Qmax 8 2 1 8 Reactive Power Setpoint via Displacement Power Factor cos p PFCnst Mode The reactive power setpoint is set via the parameters PF PF and PF PFExt The parameter PF PF indicates the displacement power factor cos p and the parameter PF PFExt indicates the degree of overexcitation or underexcitation 8 2 1 9 Displacement Power Factor cos via Standard Signal PFCnstAnin Mode The reactive power setpoint is set via an analog signal at the input terminals for setpoint specification see Sunny Central installation manual This is usually implemented by a ripple control signal The analog value is converted into a displacement power factor cos The electrical current strength of the connected signal determines the setpoint The analog measured values must be between 4 mA and 19 mA If the analog signal is less than 2 mA an error message will be displayed in the instantaneous value QVArModFailStt see Section 8 2 2 page 63 Signal Power limit Description
109. oo User Manual SUNNY CENTRAL 500CP JP 630CP JP 800CP JP SCCP JP BA A4 en 12 98 103200 02 Version 1 2 ENGLISH Legal Provisions SMA Solar Technology AG Legal Provisions The information contained in this document is the property of SMA Solar Technology AG Publishing its content either partially or in full requires the written permission of SMA Solar Technology AG Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission SMA Warranty You can download the current warranty conditions from the Internet at www SMA Solar com Trademarks All trademarks are recognized even if not explicitly identified as such A lack of identification does not mean that a product or symbol is not trademarked The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of these marks by SMA Solar Technology AG is under license Modbus is a registered trademark of Schneider Electric and is licensed by the 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 AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E mail info SMA de 2004 t
110. or configuring the VArCtlVolHystDb mode By supplying reactive power the Sunny Central 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 a type of deadband through two voltage points and a hysteresis Sn VAr QVolWidNom 0 Q VArGraNom QVolNomP1 Q VolNomP2 Q Figure 22 Characteristic curve for reducing reactive power without deadband and without hysteresis User Manual SCCP JP BA A4 en 1 2 59 8 Power Control SMA Solar Technology AG VAr Q VolWidNom O Q VArGraNom Q VolNomP1 Q VArGraNom Q VolNomP1 Q VolNomP2 Figure 24 Characteristic curve for reducing reactive power with hysteresis 60 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 8 Power Control QVolWidNom VAr Q VolNomP2 QVolNomP1 Vaso V QVolWidNom Figure 25 Characteristic curve for reducing reactive power with deadband and hysteresis The parameter Q VArTmsSpnt determines the delay time which must elapse before the calculated reactive power setpoint is actively used In order to prevent several systems with this function from interfering with each other the parameter Q VArTmsVtg can be used to set a delay time This delay time defines how long a voltage change must be pending before a change in r
111. ouch display In normal operation active power ramp up The inverter works up to its feed in power via 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 If you do not set this parameter the inverter will reach its maximum feed in power in 1 s see Section 7 5 Setting the Active Power Ramp Up page 47 After grid fault decoupling protection ramp After a grid fault the inverter restarts at a maximum of 10 nominal power per minute using a decoupling protection ramp You have the option of switching this decoupling protection ramp on or off If you deactivate the decoupling protection ramp the inverter rapidly reverts to maximum power If you wish to deactivate the decoupling protection ramp consult the SMA Service Line User Manual SCCP JP BA A4 en 1 2 17 3 Product Description SMA Solar Technology AG Designation Description MPP load operation In MPP operation the Sunny Central feeds power into the utility grid and operates permanently at the maximum power point MPP Operation and the amount of power being fed in appear on the touch display If the measured power Ppy during the time interval PvPwrMinT is less than the minimum feed in power PvPwrMin or the key switch is set to Stop the Sunny Central switches to the operating state Shutdown With the order option Q at Night the Sunny Central switches to the operating state Q at Nigh
112. pecifies the modes and setpoints to be used You can set the mode of reactive power control via the parameter Q VArMod Use this parameter to configure how the specifications of the grid operator are to be received and implemented There are eleven different modes of reactive power control The default value for this parameter is Off If a displacement power factor cos p of 1 is to be permanently complied with SMA Solar Technology AG recommends using the PFCnst mode Mode Description Off The reactive power setpoint is limited to O kVAr VArCtlCom The reactive power setpoint is received by the SC COM via the Power Reducer Box or Power Plant Controller and then transmitted to the Sunny Central PFCtICom The reactive power setpoint is received by the SC COM via the Power Reducer Box or Power Plant Controller and then transmitted to the Sunny Central A displacement power factor cos is transmitted as the setpoint VArCnst The parameter Q VAr is used to set the reactive power setpoint in kVAr VArCnstNom The parameter Q VArNom is used to set the reactive power setpoint in relative to Pmax VArCnstNomAnin The reactive power setpoint is imported via an analog input The analog value is converted into a reactive power setpoint PFCnst The reactive power setpoint is set via a displacement power factor cos p User Manual SCCP JP BA A4 en 1 2 53 8 Power Control SMA Solar Technology AG Mode Descript
113. perated via an internal 24 V supply An external latching switch break contact is connected to the Sunny Central terminals via the internal supply voltage in the Sunny Central When the switch is closed the allor nothing relay is activated and the Sunny Central feeds into the grid If the fast stop is tripped the switch opens and the relay is deactivated The Sunny Central is stopped and no longer feeds energy into the grid e The external fast stop is operated with external 24 V supply An external latching switch break contact is connected to the Sunny Central terminals via an external 24 V voltage supply When the switch is closed the all or nothing relay is activated and the Sunny Central feeds into the grid If the fast stop is tripped the switch opens and the relay is deactivated The Sunny Central is stopped and no longer feeds energy into the grid i Tripping the fast stop The fast stop should only be tripped in the event of imminent danger The tripping of the fast stop does not entail fast discharge of the capacitors If you wish to use an external signal to switch the Sunny Central off in a controlled manner you should use the input of the remote shutdown function 3 7 Ground Fault Monitoring and Insulation Monitoring The different types of insulation and ground fault monitoring are described in this section The type of Sunny Central insulation and ground fault monitoring depends on the order option 3 7 1 Mode of Operatio
114. power setpoint see Section 8 2 page 53 e Target reactive power in VAr e Target displacement power factor cos p e Target excitation type of the displacement power factor e Actual reactive power in VAr e Actual displacement power factor cos e Actual excitation type of the displacement power factor Settings Menu To access the settings menu touch the required symbol in the navigation bar Symbol Designation Explanation Language selection Select this symbol to open the language selection menu see Section 4 3 page 36 Ne Brightness setting Select this symbol to open the brightness setting menu see Section 4 6 page 37 rN Time setting Select this symbol to open the time setting menu see Section 4 4 page 37 Format selection Select this symbol to open the menu to change a date hour or number format P see Section 4 5 page 37 A Password entry Select this symbol to open the password entry menu see Section 4 7 page 37 Diagrams of the Main Menu Level and Sub Menu Level Number of the active menu Data displayed 103 Energy fed in by the Sunny Central on the current day 104 Energy fed in by the Sunny Central over the last 14 days 132 to 133 Group currents of the individual Sunny String Monitors 140 to 146 String currents of the individual Sunny String Monitors User Manual SCCP JP BA A4 en 1 2 35 4 Touch Display SMA Solar Technology AG 4 2 3 Navigation Line Symbol Designation Back
115. put values are supplied by the Power Plant Controller Depending on the order option in the operating state Q at Night the Sunny Central can supply reactive power if required by the grid operator The grid operator specifies the modes and setpoints to be used The settings for the operating state Q at Night are independent of normal feed in operation User Manual SCCP JP BA A4 en 1 2 63 8 Power Control SMA Solar Technology AG You can set the procedure for reactive power control in the operating state Q at Night via the parameter QoDQ VArMod Use this parameter to configure how the specifications of the grid operator are to be received and implemented There are seven different modes for reactive power control The default value for this parameter is Off Mode Description Off The reactive power setpoint is limited to O kVAr VArCtlCom The reactive power setpoint is received via the Power Reducer Box or the Power Plant Controller VArCnst The parameter QODQ VAr is used to set the reactive power setpoint in kVAr VArCnstNom The parameter QODQ VArNom is used to set the reactive power setpoint as a percentage relative to Pmax VArCnstNomAnIn The reactive power setpoint is imported via an analog input The analog value is converted into a reactive power setpoint VArCtlVol The reactive power is set as a function of the line voltage VArCtlVolHystDb The provision of reactive power helps perform
116. r Number 34xx to 40xx Disturbance on PV Array 0 eee teens 79 10 4 5 Error Numbers 60xx to 90xx Disturbance on the Sunny Central 0 2 81 11 Instantaneous Valuesie lt 4s 06457S ses wot a ar sees es 85 TIET Sunny Seite esr Ss tere AS 85 TETA Power limitation ais scree crane tet REA ace Maite ues ys ta saa as sees 85 LT Ertor Choninelsicscch iunn O AE 86 IETS Measured Valv s 220000 RS AT Gate bad eee A aa 86 1114 Interrial Device Val sy so 02 5 545 2554 adc cea da iso 87 WL Ss Intetrial Mets A A A gc EN raa ae ra aa ald 87 11 1 6 Service Relevant Display Values 2 0 00 cee ete b rreren 87 11 2 Sunny Central String Monitor Controller coco A ee hee eee 88 1 12 11 Instantanecus Vald s A ane n cease eBlog ee ante a eA 88 11 22 Internal Device Values ei hoist orice hohe eat 88 11 23 3Status Vales visita eee ee AS ata ana AA AAA a 88 113 Sunny String Monitors sise eren at ka en we ee ewe Ne ad CoE Sled WRG Seas are 89 13 7 Wristaritaneous Valvess 0 0 eden ik e e eld OA ah he 89 11 32 Internal Device Values iei oir6 cs nares ed atari ae teh che bids Loew tease thaw eee hae 89 VANES 33 Status Valles sta sagradas hen Duta rte ds 89 12 Parameters ii DARA TAI Ee OHSAS ESSN DERI EIR CONES 90 12 1 Sunny Cotler ota See da AA Bias bee ee ee weet 90 2 1 1 Power Limitation ge ic A Weeden a Ta SHAM AT E E E aa 90 12 1 2 Grid Monitoring Grid Limits e a a e e a a a r e A A E EAE 98 121 9 Grid Suppor ieie reari Choos id E EA O RAA A
117. r Setpoint via Standard Signal VArCnstNomAnIn Mode 0 0000 e eee e eee 55 8 2 1 8 Reactive Power Setpoint via Displacement Power Factor cos p PFCnst Mode 0 00 c eee eee e ee 56 8 2 1 9 Displacement Power Factor cos via Standard Signal PFCnstAnln Mode 0000 e eee oo 56 8 2 1 10 Displacement Power Factor cos as a Function of Feed In Power PFCHIW Mode 20 00 eee eee 57 8 2 1 11 Reactive Power as a Function of Line Voltage VArCtlVol Mode 0 2 cece e eee e eee en ees 58 8 2 1 12 Measures for Voltage Support through Parameterization of Reactive Power Voltage Characteristic Curve VArCtVolHystDb Mode sui stats se pave edie wid wae eee ae eae Ga tine 59 8 2 1 13 Measures for Voltage Support through Parameterization of Reactive Power Voltage Characteristic Curve VArCtVolHystDbA Mode seta tence sh cephalad A pendants Gas wales 62 8 2 2 Displaying Error Messages and Warnings for the Reactive Power Setpoint 00 cece eens 63 8 3 QIGHIMIGM 2 ee ALE nok Serena arc 63 8 3 1 Selecting Parameter QODQ VarMod 0 ence rererere rernu 63 8 3 2 No Qat Night Off Mode resas ddei oa na ia aa in ee eh Gide ool A eae twee 65 8 3 3 Q at Night with Setpoint Command via Modbus Protocol VArCtlCom Mode 000002000 65 8 3 4 Qat Night with Absolute Value VArCnst Mode 0 2 00 cece errre 65 8 3 5 Qat Night as a Percentage of the Nominal Power VArCnstNom Mode 000 ee eee eee eee es 6
118. r is fed in 11 5 mA O kVAr Zero crossing of the characteristic curve No reactive power is fed in gt 19 mA Pmax End point of the characteristic curve The maximum amount of positively excited reactive power is fed in The analog value is converted to a setpoint for power limitation Here the parameter QA0DQmax is the end point of the linear characteristic curve User Manual SCCP JP BA A4 en 1 2 65 8 Power Control Figure 27 Limitation of the parameter Pmax to the parameter QA0DQmax SMA Solar Technology AG 19 mA If the value of Pmax exceeds the value of QODQmax the characteristic curve will be limited to QODQmax at the value QQoDmax and the reactive power value will remain constant at QODQmax in the range from QQoDmax to Pmax If the value of Pmax falls below the value of QoDQmax the characteristic curve will be limited to QoDQmax at the value Qgopmax and the reactive power value will remain constant at QoDQmax in the range from Pmax to QQoDmax 66 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 8 Power Control 8 3 7 Q at Night as a Function of Line Voltage VArCtlVol Mode i Contact the SMA Service Line before changing any parameters The SMA Service Line must be consulted prior to selecting or configuring the VArCtlVol mode The reactive power is set as a function of the line voltage The reactive power setpoint is adjusted in stages Q G 1x VAr Figure 28 Characteris
119. r the safety system at the grid transfer point The Sunny Central disconnects from the utility grid immediately and displays the error 9013 The error will be reset in the Sunny Central after a signal from the grid operator or the safety system for the grid transfer point 30 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 3 Product Description 3 8 8 Q at Night With the order option Q at Night the Sunny Central can provide reactive power in order to stabilize the utility grid during non feed in operation e g at night This function is independent of normal feed in operation Only limited dynamic grid support is available in the operating state Q at Night MPP load operation Pi gt 6 kW Pi lt 5 kW Q at Night DC switchgear closed Pc lt 6 kW ly lt 60 A T gt 1h Q at Night DC switchgear opened V gt UpvStart t gt Tiai V gt PwVigStrLevMin t gt PVStrT Figure 12 Principle overview of the operating states of the Sunny Central in Q at Night operation If the AC power generated by the inverter falls below 5 kW the inverter switches from feed in operation to Q at Night operation The inverter feeds in reactive power in accordance with the parameters set Since this status can also occur during the day the DC switchgear remains closed at first in order to avoid unnecessary
120. ral switch on again Errorno Explanation Behavior of the Corrective measures Sunny Central 1 2 R 0103 Line voltage is too high 30 s 30 s e Check line voltage Overvoltage detected by e Check grid connections redundant monitoring e Check stability of the utility 0104 Line voltage is too high C C grid Overvoltage detected by standard et Make sure the external fuses monitoring function properly 0203 Line voltage is too low 30 s 30 s Makes AC sable Undervoltage detected by connections are securely redundant monitoring varias 0204 Line voltage is too low 30 s 30 s Undervoltage detected by standard monitoring 0205 One line conductor of the utility grid 30 s 30 s has failed 0502 Power frequency is too low 30 s 30 s e Check power frequency Power frequency fault detected by e Check the grid monitoring standard monitoring relay display 0503 Power frequency is too high 30 s 30 s e Make sure the fuses in the load Power frequency fault detected by circuit function properly standard monitoring 0504 Power frequency is too low 30 s 30 s Power frequency fault detected by redundant monitoring 0505 Power frequency is too high 30 s 30 s Power frequency fault detected by redundant monitoring 0506 The Sunny Central has detected a W W e Check power frequency stand alone grid and disconnected from the utility grid 78 SCCP JP BA A4 en 12 User Ma
121. rface 3 Enter the password in the appropriate field on the homepage and confirm with Login 4 Set the parameter ExIStrStpEna on the user interface to On see Section 6 2 page 40 5 Confirm the parameter entry with Save 6 6 Deactivating the Fully Hermetic Transformer Protection A fully hermetic protector can be connected to the Sunny Central This fully hermetic protector is integrated in the MV transformer If an error occurs in the MV transformer the Sunny Central immediately shuts down Two 230 V 50 Hz terminals are connected to the customer terminal plate see Sunny Central installation manual To deactivate this function the associated parameter must be disabled Procedure 1 Ensure that the Sunny Central is in the operating state Stop 2 Log into the user interface 3 On the user interface set the parameter ExITrfErrEna to Off see Section 6 2 page 40 4 Confirm the parameter entry with Save 44 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 7 Grid Monitoring 7 1 How Grid Monitoring Works The Sunny Central monitors the utility grid to make sure it stays within configurable thresholds If the grid values exceed or fall below these thresholds for a set time the Sunny Central will disconnect from the utility grid for safety reasons The following thresholds are monitored e Voltage drop e Voltage increase e Frequency drop e Frequency increase 7 Grid Monitoring For each thre
122. rotocol VArCtlCom Mode The reactive power setpoint is received by the Sunny Central via the Power Reducer Box or the Power Plant Controller The setpoint is transmitted as a percentage and converted to kVAr in the device If the Sunny Central has not received any signal for the last five minutes the error message Q VArModFailStt will be displayed see Section 8 2 2 page 63 8 2 1 4 Reactive Power Control with Setpoint Command via Modbus Protocol PFCHCom Mode The reactive power setpoint is received by the Sunny Central via the Power Reducer Box or the Power Plant Controller The setpoint is transmitted as a displacement power factor cos If the Sunny Central has not received any signal for the last five minutes an error message will be displayed in the instantaneous value Q VArModFailStt see Section 8 2 2 page 63 8 2 1 5 Reactive Power Control with Absolute Value VArCnst Mode The Q VAr parameter is used to set the reactive power setpoint The permitted range of the parameter Q VAr is between Qmax and Qmax 8 2 1 6 Reactive Power Control as a Percentage of the Nominal Power VArCnstNom Mode The parameter Q VArNom is used to set the reactive power setpoint in The parameter Q VArNom refers to Pmax If the calculated amount of reactive power exceeds the predefined value of Qmax the power will be limited to Qmax If the calculated amount of reactive power falls below the predefined value of Qmax the power will be limited to
123. safety precautions 12 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 2 Safety 2 4 Personal Protective Equipment i Always wear suitable protective equipment When working on the Sunny Central always wear the appropriate personal protective equipment for the specific job The following personal protective equipment is regarded by SMA Solar Technology AG to be the minimum requirement O In a dry environment safety shoes of category S3 with perforation proof soles and steel toe caps O During precipitation or on moist ground safety boots of category S5 with perforation proof soles and steel toe caps O Tight itting work clothes made of 100 cotton O Suitable work pants O Individually fitted hearing protection O Safety gloves Any other prescribed protective equipment must also be used User Manual SCCP JP BA A4 en 1 2 13 3 Product Description SMA Solar Technology AG 3 Product Description 3 1 PV System Overview 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 A D Figure 1 Principle of a grid linked PV system with a Sunny Central Position Designation A PV array B DC subdistribution e g Sunny String Monitor C Sunny Central D External MV transformer e g Transformer Compact Station with MV transformer E
124. shold you can set a tripping delay time stipulating how long the grid error must be pending before the Sunny Central disconnects from the utility grid 7 2 Setting Line Voltage Monitoring You can specify the thresholds and tripping time manually For voltage monitoring you can set two limits for overvoltage and two limits for undervoltage If the line voltage rises above the value defined in the parameters VCtlhhLim or VCtlhLim the Sunny Central waits for the period defined in the parameters VCtlhhLimTm or VCtlhLimTm and disconnects from the utility grid v O E D 9 O a O D Maa t O Figure 16 Temporal Sunny Central behavior when the grid limits are exceeded Position Parameters Description A VCtlhhLinTm Delay time for grid limit level 2 B VCilhLinTm Delay time for grid limit level 1 C Startup MPP load operation D Grid monitoring E Disturbance 1 VCtlhhLim Line voltage limit level 2 User Manual SCCP JP BA A4 en 1 2 45 7 Grid Monitoring SMA Solar Technology AG Position Parameters Description VCtlhLim Line voltage limit level 1 Connection limit maximum nominal voltage deviation Grid limit level 1 is breached timer for B starts counting Grid limit level 2 is breached timer for A starts counting Grid limit level 2 is breached for delay time level 2 gt grid disconnection NI Oo QO AJOJN Grid limit level 1 is breached for delay time le
125. t 880 kVAr to 880 kVAr SC 800CP JP Q VArNom Reactive power in 100 to 100 0 QoDQ VArNom Reactive power in in 100 to 100 0 the operating state Q at Night QoDEna Activates deactivates Off Deactivated Off the function f Q at Night On Activated QoDDccOffDelay Delay time until the DC O s to 86 400 s 3 600 s switchgear opens in the operating state Q at Night SDLimComSrc Selection of the CAN SC COM interface UART SDELimit source UART Via SMA Net WCilHzMod Activation of Off Deactivated Off eL ica CurveHys Procedure with hysteresis active power limitation Curve Procedure without hysteresis WGra Active power change 1 to 100 100 gradient WGraEna Activation of the active Off Deactivated On power change gradient On Activated WGraRecon Active power change 0 017 s to 100 00 s 0 166 s gradient after a grid error WGraReconEna Activation of the Off Deactivated Off decoupling protection On Keizai ramp for reconnection This parameter can only be viewed To change this parameter you must enter the installer password To view or change this parameter you must enter the installer password User Manual SCCP JP BA A4 en 1 2 97 12 Parameters 12 1 2 Grid Monitoring Grid Limits SMA Solar Technology AG Name Description Range Explanation Default value HzCtlOpMin Minimum connection frequency 45
126. t if the measured power Ppy during the time interval PvPwrMinT is less than the minimum feed in power PvPwrMin see Section 3 8 8 Q at Night page 31 Shutdown The Sunny Central is in the operating state Shutdown Operation appears on the touch display If the key switch is set to Stop the Sunny Central switches to the operating state Stop The AC contactor and the DC switchgear open automatically If the Sunny Central shuts down because the feed in conditions are no longer met the Sunny Central switches to the operating state Grid monitoring Disturbance If a disturbance occurs during operation the Sunny Central switches off and displays the word Fault and the actual disturbance in the touch display see Section 10 Troubleshooting page 75 3 2 4 Touch Display Different kinds of Sunny Central data can be viewed on the touch display You cannot use the touch display to set any Sunny Central parameters but only to configure display settings such as language time and brightness The display screen is activated by touching the touch display Tapping the symbols on the touch display activates the corresponding functions If the touch display has not been touched for five minutes it will switch off 3 2 5 Key Switch The key switch is used to switch the Sunny Central on and off Switch Position Start If the key switch is turned to Start a motor drive switches the DC switchgear on and the Sunny Central switches
127. t disconnecting from the utility grid This is provided that the Vc i4 V ratio was gt 90 before the fault occurred If the set grid monitoring time is exceeded during this period the Sunny Central disconnects from the utility grid The dynamic grid support function is configured via the parameter FRTEna The level of reactive current provided with full dynamic grid support is determined via the parameter FRTArGraNom For the order option Q at Night limited dynamic grid support is available in the operating state Q at Night 3 8 6 Decoupling Protection Ramp After a grid fault the Sunny Central restarts at a maximum of 10 nominal power per minute using a decoupling protection ramp You have the option of switching this decoupling protection ramp on or off If you deactivate the decoupling protection ramp the Sunny Central rapidly reverts to maximum power If you wish to deactivate the decoupling protection ramp contact the SMA Service Line i Compliance with the Medium Voltage Directive The decoupling protection ramp is part of the Medium Voltage Directive of the German Association of Energy and Water Industries BDEW and must not be deactivated in Germany 3 8 7 Grid Management Shutdown If the utility grid becomes unstable grid management requires that the Sunny Central disconnects from the utility grid immediately to avoid grid overload In this event a corresponding Modbus signal will be provided by the grid operator o
128. the DC switch are open Touching live components of this assembly will result in death or serious injury Do not touch any live components e Do not remove protective covers e Observe the warning messages e Wear personal protective equipment User Manual SCCP JP BA A4 en 1 2 11 2 Safety SMA Solar Technology AG Risk of burns due to hot components Some components of the Sunny Central can get very hot during operation Touching these components can cause burns Observe the warning messages on the devices e During operation do not touch any components marked with such warnings e After disconnecting the PV system from voltage sources wait until hot components have cooled down sufficiently e Wear suitable personal protective equipment for all work on the Sunny Central NOTICE Damage to electronic components due to electrostatic discharge Electrostatic discharge can damage or destroy electronic components e When working on the Sunny Central and handling assemblies observe all ESD safety regulations e Wear suitable personal protective equipment for all work on the device e Discharge electrostatic charge by touching uncoated grounded enclosure parts e g near the grounding connection on the doors Only then is it safe to touch electronic components Damage to the Sunny Central due to dust or moisture penetration Dust intrusion or moisture penetration can damage the Sunny Central or impair the functional
129. tic curve for reducing reactive power as a function of the line voltage If the line voltage is changed by the configurable voltage difference Q VDif for the configurable duration of Q VDifTm the reactive power setpoint will be adjusted by the value QVArGra The parameterization of this function refers to the medium voltage User Manual SCCP JP BA A4 en 1 2 67 8 Power Control SMA Solar Technology AG 8 3 8 Measures for Voltage Support through Parameterization of Reactive Power Voltage Characteristic Curve VArCtlVolHystDb Mode i Contact the SMA Service Line before changing any parameters The SMA Service Line must be consulted prior to selecting or configuring the VArCtlVolHystDb mode By supplying reactive power the Sunny Central 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 a type of deadband through two voltage points and a hysteresis QVolWidNom C VAr Q VArGraNom QVolNomP1 QVolNomP2 Qao oD Figure 29 Characteristic curve for reducing reactive power with hysteresis 68 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG VAr QVolWidNom 0 Q VArGraNom Q VolNomP2 Q VolNomP1 Va V ea Figure 30 Characteristic curve for reducing reactive power with deadband Q VolWidNom b Q
130. ting state Q at Night O kVAr to 880 kVAr SC 800CP JP 264 kVAr The reactive power cannot exceed Qlimit QoDQ VArMod Specification of the Off Sets reactive power to Off mode of reactive power O kVAr and displacement specification in the power factor cos to 1 operating state of gs Q at Night VArCtlCom Specification of reactive power via external control unit such as the Power Reducer Box VArCnst Specification of reactive power in kVAr via the parameter Q0DQ VAr VArCnstNom Specification of reactive power in via the parameter QoDQ VArNom VArCnstNomAnIn VArCtlVol The reactive power setpoint is imported via an analog input Specification of reactive power as a function of the line voltage VArCtlVolHystDb Specification of reactive power as a function of the line voltage Q f V characteristic curve VArCtlVolHysDbA Specification of reactive power as a function of line voltage with activation power 96 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 12 Parameters Name Description Value range Explanation Default value Q VAr Reactive power in kVAr 220 kVAr to 220 kVAr SC 500CP JP O kVAr 310 kVAr to 310 kVAr SC 630CP JP 385 kVAr to 385 kVAr SC 800CP JP QoDQVar Reactive power in kVAr 500 kVAr to 500 kVAr SC 500CP JP O kVAr in the operating states 700 kVAr to 700 kVAr SC 630CPJP Q at Nigh
131. tion To ensure that there is no insulation error on the grounded terminal an insulation measurement is carried out After switching to insulated operation the insulation monitoring device checks each terminal of the PV array for potential insulation errors Switching to insulated operation is useful for performing maintenance or service work on or near the PV array e g cutting the grass or for checking the status of the insulation at regular intervals 9 3 2 Switching to Insulated Operation 1 Set the parameter RemMntSvc to On see Section 6 2 page 40 M The insulation monitoring device starts collecting data When the parameter IsoErrlgn is set to On the error 3504 Insulation error ignored is displayed The displayed error 3504 does not disappear after approximately 15 minutes The insulation is defective e Have the insulation checked and if necessary repaired by a qualified person e Acknowledge the error 2 Wait a few minutes and then display the instantaneous value Riso on the user interface see Section 6 1 page 40 M The insulation resistance is greater than 45 k Q It is safe to enter the PV system X The insulation resistance is less than 45 k Q 2 There is an insulation error and you must not enter the PV system e Have the insulation checked and if necessary repaired by a qualified person 9 3 3 Switching to Grounded Operation Set the parameter RemMntSvc to Off see Section 6 2 page 40 74 SCCP JP BA A4
132. to 10 2 grid support FRTDbVolINomMax Upper limit of voltage deadband O to 100 10 FRTDbVolNomMin Lower limit of voltage deadband 100 to 0 10 FRTEna Enables dynamic grid support Off Deactivated On On Activated FRTMod Dynamic grid support mode FRT_BDEW Dynamic grid FRT_SDLWindV support in accordance with BDEW directives FRT_Partial Pulse block in the event of FRT FRT_SDLWindV Dynamic grid support in accordance with SDLWindV FRTSwOffTm Deactivation delay for dynamic Omsto 1 000 500 ms grid support ms EnaAid Enables islanding detection Off Deactivated On On Activated TrfVolExlHi Line to line voltage on overvoltage 1 Vto 20 000 V side of external transformer 70 000 V TrfVolExlLo Line to line voltage on undervoltage 1Vto500V SC 500CP JP 205 V side of external transformer SC 630CPJP 315V SC 800CP JP 360 V To view or change this parameter you must enter the installer password You can only view this parameter after entering the installer password To change this parameter you must enter the installer password 100 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 12 Parameters 12 1 4 Insulation Monitoring Name Description Value range Explanation Default value IsoErrlgn Enables insulation error Off Deactivated Off detection continued operation On Waves in the event of insulation error Run Error is only ignored if the inverter is in feed in
133. to Insulation Monitoring with Remote Soft Grounding and an Insulation Monitoring Device sisas dadas Jase wie ddd Saeed as Bena s on Bare od ea ee 74 9 3 1 Information on Insulating PV Modules with Remote Soft Grounding and an Insulation Monitoring Device 74 9 3 2 Switching to Insulated Operation 6 0 11 t tet t teen eens 74 9 3 3 Switching to Grounded Operation rreri tses seir to Turan er 74 User Manual SCCP JP BA A4 en 1 2 5 Table of Contents SMA Solar Technology AG 10 Troubleshooting 40 0405 dean banca dase vues ebb Wed Ce ewe ens del twee sewn Hees Geese 75 10 1 Safety During Troubleshooting suns swear cane eee AAA aia Soca ay ane eee 75 10 2 Reading Off Disturbance Messages miii RA Ad 75 10 2 1 Reading Off Disturbance Messages via Touch Display 0 c cece cet e ete es 75 10 2 2 Reading Off Disturbance Messages via User Interface 6 6 eect rr 75 10 3 Acknowledging Disturbance Messages 0 eee cc 75 10 3 1 Acknowledging Disturbance Messages via the Key Switch suunununerenrrararurrrr reren 75 10 3 2 Acknowledging Error Messages via the User Interface 0 nunaa 76 10 4 Error Messages ii A A BR SE eek EA re ed 76 10 4 1 Behavior of Sunny Central Inverters under Fault Conditions 00000 cece eee eee eens 76 10 4 2 Explanation of the Error Tables uoociaro a oa A a Bee atom eae eS 77 10 4 3 Error Numbers 01xx to 13xx Disturbance on the Utility Grid 2 eee eee 78 10 4 4 Erro
134. tors the utility grid and sends a signal to the Sunny Central under fault conditions If the power frequency changes by a certain amount in a certain time a stand alone grid is detected and the Sunny Central disconnects from the utility grid The magnitude of the frequency change and the time in which this change must take place can be configured via parameters on the grid monitoring relay The response times for passive islanding detection are generally shorter than for active islanding detection 3 10 Schematic Diagram Schematic diagrams in PDF format contain jump marks By double clicking a jump mark the display will change to the corresponding current path or the referenced place in the equipment list SMA Solar Technology AG recommends using PDF schematic diagrams for troubleshooting The schematic diagrams in PDF format are available on request Contact the SMA Service Line 32 SCCP JP BA A4 en 12 User Manual SMA Solar Technology AG 4 Touch Display 4 1 Touch Display Layout The touch display of the Sunny Central is used to display instantaneous values and parameter settings The functions are activated by tapping on the appropriate symbols on the touch display The touch display is divided into three areas Figure 13 Touch display areas 4 Touch Display Position Designation A Status info line B Information area C Navigation line 4 2 Explanation of Symbols 4 2 1 Status Info Line Figure 14 Struc
135. ture of the status info line User Manual A B re 100 Tha DD MM YYYY hh mm ss ii _ amp Pac 865 6 kW SCCP JP BA A4 en 1 2 33 4 Touch Display SMA Solar Technology AG Position Designation A Number of the active menu B Symbol showing whether you are logged in as an installer and can change settings C Date and time display 4 2 2 Information Area Main Menu You can access the following sub menus and screens from the main menu Symbol Designation E today line graph Explanation Select this symbol to see the energy fed in on the current day in kWh Bar chart Select this symbol to see the energy fed in over the last 14 days in kWh DC side String current monitoring of the DC side Select this symbol to see the following instantaneous values e PV power in W e Insulation resistance in Q e PV current in A e PV voltage in V The ad symbol also appears on the page which now opens Select this symbol to see the sub menu level diagrams Select this symbol to see the following instantaneous values depending on the type of string current monitoring e DC currents of the individual Sunny String Monitors This symbol appears once you have selected the symbol i f Switch on DC or AC side closed Switch on DC or AC side open If you see this symbol between the DC side symbol and the Inverter data symbol the DC switchgear is closed If
136. um By default the tripping time is set to 180 minutes Procedure 1 Select the desired Sunny Central String Monitor Controller from the device list 2 Select the tab Parameters 3 Enter the tripping time in minutes in the parameter field SMU_T_Ausl 4 Confirm the entry with Save User Manual SCCP JP BA A4 en 1 2 43 6 Communication with the Inverter SMA Solar Technology AG 6 4 6 Setting the Tolerance You can use the tolerance to set the sensitivity of the string current monitoring The tolerance is a factor in the calculation of the error sum Since only a significant deviation of a measuring channel from the mean value is an indication of a faulty string the tolerance value should be set correspondingly high Minor deviations are considered normal Procedure 1 Select the desired Sunny Central String Monitor Controller from the device list 2 Select the Parameters tab 3 Enter the tolerance value in percent for the groups in the parameter fields SMU_tolerance grp1 to SMU_tolerance grp3 4 Confirm the entry with Save 6 5 Configuring the Remote Shutdown The Sunny Central can be shut down and switched off via an external signal To do this two terminals of the customer terminal plate are switched with 24 V see Sunny Central installation manual To use this function the associated parameter must be activated Procedure 1 Ensure that the Sunny Central is in the operating state Stop 2 Log into the user inte
137. unny Central for station installation is suitable exclusively for indoor installation provided that the specified safety distances are maintained The enclosure conforms with degree of protection IP54 The Sunny Central is classified under Class 4C2 according to EN 60721 3 4 and is suitable for operation in a chemically active environment The maximum permissible DC input voltage of the Sunny Central must not be exceeded The Sunny Central must only be operated in conjunction with a suitable MV transformer The MV transformer must be designed for voltages that arise during pulsed mode of the Sunny Central The maximum AC voltages to ground are as follows e For inverter type SC 500CP P voltages of max 800 V to ground e For inverter types SC 630CPJP und SC800CP JP voltages of max 1 450 V to ground You will find further information in the Technical Information Medium Voltage Transformer Important Requirements for Medium Voltage Transformers and Transformers for Auxiliary Power Supply for SUNNY CENTRAL Inverters of the CP XT and CP JP Production Series at www SMA Solar com Do not disconnect or adjust settings that affect grid management services without first obtaining approval from the grid operator For safety reasons it is not permitted to modify the product or install components that are not explicitly recommended or distributed by SMA Solar Technology AG for this product Only use this product in accordance with the enclosed docum
138. urbance has been acknowledged the disturbance returns and the Sunny Central remains in the operating state Fault e Waiting for Acknowledgement The Sunny Central switches to the operating state Fault and opens the AC contactor and the DC switchgear The Sunny Central will not feed in until the disturbance has been acknowledged Once the disturbance has been acknowledged it is no longer shown on the touch display The Sunny Central then checks whether the cause of the error has been rectified If the disturbance is no longer pending it is deleted from the memory If the cause of the disturbance is still present after it has been acknowledged the disturbance returns Day Change The Sunny Central switches to the operating state Fault and opens the AC contactor and the DC switchgear The Sunny Central does not feed into the grid The disturbance is automatically reset when the day changes Once the disturbance has been reset it is no longer shown on the touch display The Sunny Central then checks whether the cause of the error has been rectified If the disturbance is no longer pending it is deleted from the memory If the cause of the disturbance is still present after the day has changed or after it has been acknowledged the disturbance returns 76 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 10 Troubleshooting e System Specific The Sunny Central switches to the operating state Fault and opens the AC contactor
139. vel 1 gt grid disconnection has already occurred on level 2 00 Connection conditions fulfilled gt grid monitoring time starts counting Utility grid within valid range during grid monitoring time gt grid connection i Contact the SMA Service Line before changing any parameters The SMA Service Line must be consulted prior to selection and configuration of the parameters for grid monitoring Procedure 1 Log into the user interface 2 Change parameters for grid monitoring see Section 6 2 page 40 3 Confirm the parameter entry with Save 46 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG 7 Grid Monitoring 7 3 Setting Power Frequency Monitoring You can specify the thresholds and tripping time manually For frequency monitoring three limits can be configured for both overfrequency and underfrequency For example at an overfrequency of 50 5 Hz tripping can take place after one second or at an overfrequency of 51 5 Hz after 0 1 seconds 4 55 0 HzCtlMaxTm 51 5 HzCtlhhlimTm 50 5 y Hz CtlhLimTm 50 0 Tripping time Delay time Grid frequency Hz 48 0 lt Hz CtlllimTm 47 0 Y HZCilllLimnTm 45 0 HzCtlMinTm v Figure 17 Tripping characteristics and temporal behavior as exemplified by frequency monitoring i Contact the SMA Service Line before changing any parameters The SMA Service Line must be consulted prior to selection and co
140. x Hz Active power is limited by a frequency increase Tmp Active power is limited by temperature derating AmpPv Active power is limited via a PV current limitation AmpAC Active power is limited via an AC current limitation Errors and Warnings relating to the Reactive Name Display Q VArModFailStt Off Power Setpoint Description No mode for specifying the reactive power setpoint has been selected OK A mode for specifying the reactive power setpoint has been selected and no error is present ComFail The VArCtlCom or PFCtlCom mode has been selected and the expected signal with a valid reactive power setpoint has been absent for at least five minutes AnInFail The VArCnstNomAnIn or PFCnstNomAnIn mode has been selected and the value measured at the analog input is less than 2 mA Comlnvalid The VArCtlCom or PFCtICom mode has been selected and there is invalid content in the power setpoint information User Manual SCCP JP BA A4 en 1 2 85 11 Instantaneous Values Displacement Power Factor and Power Setpoint SMA Solar Technology AG Name Description PF Current displacement power factor cos p PFExt Current excitation of displacement power factor cos p P WSpt Current specified power output 11 1 2 Error Channels Name Description Dsc Error elimination measure ErrNo Error number ErrNoFirst Error number of the first error Error Localization of error GriSw
141. y the delay time select the instantaneous value TmsRmg in the instantaneous value view 4 To display the error message select the instantaneous value Msg in the instantaneous value view 5 To display the corrective measure select the instantaneous value Dsc in the instantaneous value view 10 3 Acknowledging Disturbance Messages Once the error has been remedied you can acknowledge the error messages using the key switch on the Sunny Central or via the user interface 10 3 1 Acknowledging Disturbance Messages via the Key Switch 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 error will still be detected after acknowledgment and the disturbance message will reappear User Manual SCCP JP BA A4 en 1 2 75 10 Troubleshooting SMA Solar Technology AG Procedure 1 If an insulation error has occurred switch the insulation monitoring device back on 2 Turn the key switch to Stop wait two seconds and then turn back to Start 10 3 2 Acknowledging Error 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 error will still be detected after acknowledgment and the disturbance message will reappear You will only be able to a
142. you see this symbol between the Inverter data symbol and the AC side symbol the AC contactor is closed If you see this symbol between the DC side symbol and the Inverter data symbol the DC switchgear is open If you see this symbol between the Inverter data symbol and the AC side symbol the AC contactor is open Status of switches on DC or AC side unknown If you see this symbol between the DC side symbol and the Inverter data symbol the switch status of the DC switchgear is not known If you see this symbol between the AC side symbol and the Inverter data symbol the switch status of the AC contactor is not known Inverter data Select this symbol to see the following data e Device type e Operating state e Symbol for utility grid menu Symbol for temperature display Symbol for fan display 34 SCCP JP BA A4 en 1 2 User Manual SMA Solar Technology AG A Touch Display Symbol Designation Explanation AC Side Select this symbol to see the following instantaneous values e Active power in W e Reactive power in VAr e Power frequency in Hz e Alternating current in A AC voltage in V Grid Select this symbol to see the following data on the first page of the menu e Active mode for active power limitation see Section 8 1 2 page 50 e Target active power in kW e Actual active power in kW Select EY to see the following data on the second page of the menu e Active mode for reactive

User Manual - SUNNY CENTRAL 500CP-JP / 630CP-JP / 800CP-JP

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