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Windy Boy WB 2500 / 3000 Inverter for Wind Energy

1. 41 43 Sunny 43 Sunny Data Via 44 Sunny Data Via 5232 44 Sunny Data Via RS485 A5 WB25_30 11 FE0407 Page 3 Table of Contents SMA Technologie AG 8 2 8 2 1 8 3 8 4 8 5 8 6 8 7 8 8 9 9 1 9 2 9 3 10 10 1 10 1 1 10 1 2 10 1 3 10 1 4 10 1 5 10 1 6 10 2 10 3 10 4 11 12 Page 4 SUNNY BEBO e sasea si de dorer erba ds 45 Sunny Data Control Via Sunny Beam 46 Sunny Boy Control Light 46 Sunny Boy 47 Sunny Boy Control A7 Sunny Data Control 48 Sunny WebBox 49 Sunny Portal 49 Technical Data 51 WB 2500 5 OO bas 54 General Data 57 General Information 59 Measurement Channels and Messages 59 Status Messages 60 Windy Boy Operating Parameters 61 Explanation of Operating Parameters 61 Parameter Settings for Germany 65 Country Specific Parameter Settings 67 Non Modifiable
2. UpcWindMid In order to guarantee optimal operation of your Windy Boy in conjunction with your wind turbine specific parameters must be adjusted to achieve optimum yields The Windy Boy also has a smooth startup parameter lt P Wind Ramp gt which when activated protects the mechanical components of your wind turbine system and thus contributes to a long service life for your system Additional adjustments are possible by means of optimizing the Windy Boy s maximum output according to the turbine used adjusting the control speed and setting activation and deactivation times lt T Stop gt lt T Start gt The description of the Windy Boy s operating parameters and the definition of the range of possible settings factory settings can be found in section 10 1 2 Windy Boy Operating Parameters Page 61 An example alteration of operating parameters is described in section 6 4 General Example Settings Page 35 To perform the configuration process the DC input voltage must be greater than lt UpvStart gt and the Windy Boy must be connected to the grid voltage Page 32 WB25 30 11 FE0407 User Manual SMA Technologie AG Turbine Operation 6 3 Characteristic Curve Operation in Turbine Mode characteristics of a real wind turbine Consult the manufacturer of your wind turbine for the typical characteristics of your turbine before changing the characteristic curve parameters Note T
3. All pole isolator on grid side automatic disconnection device SMA grid guard 2 double implementation Power factor based on the cur rents fundamental frequency cos Phi 1 Overvoltage category Test voltage DC 1 4 kV 1 s routine testing 5 s type testing Test surge voltage serial interface 6 kV User Manual WB25 30 11 FE0407 Page 55 Technical Data SMA Technologie AG Description Short Value descr Efficiency Max efficiency nmax 95 0 European standard efficiency neuro 93 6 a The Sunny Boy SB 1 100LV can temporarily feed power into the grid with a ma ximum output voltage of 260 V According to DIN VDE 0126 1 1 however the 10 minute average must not exceed a voltage of 253 V That means ifthe grid voltage is constantly 254 V e g the inverter disconnects itself from the grid In this case contact the local grid operator for assistance DIN VDE 0126 1 1 only applies in Germany See chapter 10 1 5 Country Specific Parameter Settings Page 67 for all other preset country values of your inverter Efficiency of the WB 3000 The efficiendy of the Windy Boy depends mainly on the DC input voltage The lower the input voltage the higher the efficiency Page 56 WB25 30 11 FE0407 User Manual SMA Technologie AG Technical Data 9 3 General Data Genral Data Protection type to DIN EN 60529
4. User Manual WB25 30 11 FE0407 Page 49 Extensions SMA Technologie AG Page 50 WB25_30 11 FEO407 User Manual SMA Technologie AG 9 Technical Data Technical Data 9 1 WB 2500 Description Short Value descr Generator connection data Max input open circuit voltage Vpco 600 V Input voltage range Vpc 224 V 600 V Nominal DC operating voltage Vpc nom 300 Max input current berme IZA Max input power 2700 W Recommended generator power at Prurt max 1760 W 5000 ful Hoad hours year Recommended generator power at Piurb max 1980 2500 ful load hours year Connection of the DC input side DC plug connectors Overvoltage protection thermally monitored varistors Voltage ripple Vbp lt 10 of the input voltage Insulation protection ground fault monitoring Riso gt 1 MOhm Operating consumption lt 7 W standby Reverse polarity protection via short circuit diode User Manual WB25 30 11 FE0407 Page 51 Technical Data SMA Technologie AG rent at KUNetz lt 2 D Pac gt 0 5 Description Short Value descr Grid connection data Nominal output power PACnom 2200 W Output peak power PACMax 12500 W Nominal output current lACnom 19 6 Harmonic distortion of output cur THD lt 4 Short circuit proofing grid side via current regulation Operating range grid voltage Vac 180 265 V AC Ger
5. Optional communication interface RS232 RS485 Powerline radio DC input with 3 x 2 plug connectors luu d dM T Windy Boy to suit the particular wind turbine being used and this can also be used for querying operational data For further details see section 8 Extensions Page 43 An extra communication interface is required for ideal adaptation of the N User Manual WB25 30 11 FE0407 Page 13 Unit Description SMA Technologie AG All DC connections and connections for the public grid as well as any optional communication connections are to be found on the underside of the Windy Boy The respective DC connections for and are connected in parallel inside the Windy Boy Plug connectors for DC Plug connectors for DC AC socket for grid connection Openings for the optional Openings for optional connection of the DC circuit communication via RS232 breaker ESS 85485 or radio PG 16 Electronic Solar Switch Page 14 WB25 30 11 FE0407 User Manual SMA Technologie AG Unit Description 4 3 Operating Modes The various operating modes are displayed using three light emitting diodes LEDs on the housing cover of the Windy Boy To allow the device to indicate its operating mode via the integrated LEDs the Windy Boy must be connected on the DC side There must be enough wind energy present so that the Windy Boy has adequate DC voltage Betrieb Operation Erdschluss Earth Fault St
6. one Windy Boy Requirements The Windy Boy must be equipped with an RS232 Piggy Back the connection to the PC usually occurs directly via the PC s COMI or COM2 port The installation of the RS232 cable is described in the Windy Boy s installation manual PC with Sunny Data Page 44 WB25 30 11 FE0407 User Manual SMA Technologie AG Extensions 8 1 3 Sunny Data Via RS485 Communication via cable up to 50 Windy Boys Requirements All Windy Boys must be equipped with an RS485 Piggy Back the connection to the PC usually occurs via an RS485 RS232 interface converter connected to the COMI or COM2 port or via an RS485 USB interface converter connected to the USB port The installation of the RS485 Piggy Back is described in the Windy Boy s installation manual Interface converter 1 RS485 RS232 PC with or Sunny Data RS485 USB max 1200 m 8 2 Sunny Beam Simple system monitoring via radio for up to 4 Windy Boys Requirements The Windy Boys must be equipped with a Radio Piggy Back and a Sunny Beam must be present at an appropriate distance The installation of Radio Piggy Backs is described in the Sunny Beam user manual S Sy SW Sunny Beam gt User Manual WB25_30 1 1 FE0407 Page 45 Extensions SMA Technologie AG 8 2 1 Sunny Data Control Via Sunny Beam Communication with a PC via Sunny Beam up to 4 Windy Boys Requirements All 4 Windy Boys must be equipped with a Radio Piggy B
7. 700 350 350 Fac delta Hz 2 45 0 5 0 98 Fac delta Hz 0 19 0 5 0 98 I NiTest mA 8000 0 0 LDVtgC V 0 50 50 T Start s 10 180 10 Uac Min 198 209 199 Uac Max V 260 261 250 User Manual WB25_30 1 1 FE0407 Page 67 General Information Windy Boy WB 3000 SMA Technologie AG Name Unit Country Settings Germany Great Britain Spain Default GER GB G83 SP RD1663 VDEO126 1 1 dFac Max Hz s 4 0 25 2 42 mOhm 1700 350 350 Fac delta Hz 2 45 0 5 0 98 Fac delta Hz 0 19 0 5 0 98 I NiTest mA 9000 0 0 LDVtgC V 0 50 50 T Start s 10 180 10 Uac Min 198 209 199 Uac Max V 260 261 250 Page 68 WB25 30 1 1 FE0407 User Manual SMA Technologie AG General Information 10 1 6 Non Modifiable Parameters The following parameters are displayed in the parameter list but cannot be changed Name Unit Factory Setting WB 2500 WB 3000 Fac Pderating Fac Tavg ms 160 Plimit W 2500 3000 SMASN Software BFR Software SRR Uac Tavg ms 80 User Manual WB25_30 11 FE0407 Page 69 General Information SMA Technologie AG 10 2 Error Messages IF an error occurs the Windy Boy generates a message which is dependent on the operating mode and the type of error detected Error Code IPV Overvoltage IDISCONNECT DC Description Overvoltage at DC input Immediately disconnect the inverter from the P
8. The Windy Boy takes the highest possible power output from the PV generator MPP is the standard display when operating with normal solar irradiation PV operation only Mpp Peak The Windy Boy is operating in MPP mode above its nominal power level PV operation only Netzueb Testing the grid status grid impedance relay test etc This message grid mon only appears during the startup phase before the Windy Boy is connected to the grid This message mainly appears when there is little or no wind Offset Offset compensation of the measurement electronics Riso Measurement of the wind turbine system s insulation resistance Stoer disturb Fault see table Error Messages This error occurs for reasons of safety and prevents the Windy Boy from connecting to the grid This status can also be set manually Stop Interruption of operation after a fault This status can also be set manually Turbine Mode Factory setting for Windy Boy inverters The input voltage is processed according to the programmable power curve See section 6 Turbine Operation Page 31 Page 60 WB25 30 11 FE0407 User Manual SMA Technologie AG General Information Name Explanation U Konst Constant voltage operation the input voltage is predefined the V Const Windy Boy operates in neither MPP mode nor Turbine mode In some cases this can be set as the operating mode Warten The switch on con
9. or Srr is an internal message which has no meaning for the user The Windy Boy disconnects from the grid in order to avoid potential damage or islanding If possible check the grid frequency and observe how often major deviations occur If repeated deviations occur and this is causing dFac Bfr or dFac Srr errors ask the grid operator if they agree to a modification of the operating parameters Discuss the proposed parameters with the SMA hotline Page 70 WB25_30 11 FE0407 User Manual SMA Technologie AG General Information Error Code dZac Bfr dZac Srr Description The changes in grid impedance are outside the permissible range Bfr or Srr is an internal message which has no meaning for the user The Windy Boy disconnects from the grid in order to avoid potential damage or islanding If possible check the grid impedance and observe how often major deviations occur If repeated deviations occur and this is causing dZac Bfr or dZac Srr errors ask the grid operator if they agree to a modification of the operating parameters Discuss the proposed parameters with the SMA hotline EEPROM A transfer error occurred during reading or writing of EEPROM data This data is not relevant for safe operation this error has no effect on performance EEPROM dBh EEPROM data is defective The device switches itself off because the loss of data has disabled important functions of the Windy Boy Contact
10. rung Failure Especially in the first year of operation the operator of the system should regularly check this display under different wind speeds o A complete description of the possible displays can be found in section 4 3 4 Description of the Operating Modes Page 17 These can be split into three categories 4 3 1 Normal Operation If no LED or only the green control LED is on or blinking the inverter is operating normally The simultaneous illumination of all three LEDs is also an indication of normal operation initialization All other displays are a sign of abnormal operation User Manual WB25_30 11 FE0407 Page 15 Unit Description SMA Technologie AG 4 3 2 Critical Faulty Operation A comprehensive safety concept has limited the number of critical conditions that can occur to one single situation Input voltage exceeds the permitted value This is indicated by the following blink code on the yellow LED green Betrieb Operation red The yellow LED illuminates 4 Erdschluss e times in quick succession Earth Fault yellow Y X St rung e Failure 3s 1s ls The code is repeated 3 times then begins again ls 15 The yellow fault LED illuminates for 5 seconds when this fault then begins displaying the blink code of 3 seconds off then 4 times briefly on This code is displayed 3 times in succession If the fault is still present the fault display starts again fr
11. 9522 4000 Fax 49 561 9522 4040 E mail info SMA de Freecall 800 SUNNYBOY Freecall 800 78669269 SMA America Inc SMA Ib rica Tecnolog a Solar S L Grass Valley California USA E mail info SMA America com SMA Solar Technology China Beijing P R China E mail info SMA China com SMA Technology Korea Co Ltd Seoul Korea E mail info SMA Korea com Innovation in Systems Technology for the Success of Photovoltaics Barcelona Spain E mail info SMA Iberica com SMA Italia S r l Milan Italy E mail info SMA ltalia com AML
12. WB 6000 A D claration du fabricant relative la transmissibilit des certificats des onduleurs Sunny Boy aux ondu leurs Windy Boy Les onduleurs de la s rie Windy Boy sont en termes de construction parfaitement identiques aux onduleurs corr respondants Sunny Boy voir tableau De cette mani re chaque onduleur Sunny Boy peut tre exploit comme un Windy Boy et inversement L exploitant de l installations est donc en mesure de d finir ou de modifier le mode de service respectif de l onduleur en configurant un param tre du logiciel Si l onduleur a t livr avec un r glage usine en tant que Windy Boy le param tre du logiciel est d j configur en mode de service g n rateur olien Afin de reconna tre le type de livraison dont il est question le Windy Boy pr sente les caract ristiques distinctives suivantes par rapport au Sunny Boy de construction identique sur le couvercle l inscription Windy Boy remplace Sunny Boy sur la plaque signal tique l inscription WB SB xxxx remplace SB xxxx Pour les raisons voqu es pr c demment tous les certificats relatifs aux appareils de la s rie d ondu leurs Sunny Boy sont transmissibles aux onduleurs correspondants Windy Boy Dichiarazione del produttore sulla trasferibilit delle certificazioni per inverter Sunny Boy rispetto agli inverter Windy Boy Gli inverter della serie Windy Boy sono di costruzione assolutamente identica rispetto al corrisp
13. alternative anti islanding process which is deactivated for Germany User Manual WB25 30 11 FE0407 Page 61 General Information SMA Technologie AG Name Antilsland Freq Explanation Repetition rate of the Antilsland process alternative anti islanding process which is deactivated for Germany Betriebsart Operating mode Operating mode of the Windy Boy MPP Maximum power point UKonst Constant voltage mode target voltage is defined in Usoll Konst IKonst Operating mode for test purposes Stop Disconnection from grid no operation Turbine Mode Operating mode for wind turbine systems Off Grid Operating mode for Windy Boys in a stand alone grid Default Used for setting country specific information GER ENS Country specific parameter settings for Germany in accordance with DIN VDE 0126 04 99 GER VDEO126 1 1 Countryspecific parameter settings for Germany in accordance with DIN VDE 0126 1 1 SP RD1663 Country specific parameter settings for Spain GB G83 Country specific parameter settings for Great Britain Other Here parameter settings can be defined for countries for which no predefined setting exists Trimmed If country specific parameters have been changed trimmed is shown in the display dFac Max Maximum grid frequency change before the grid monitoring system disconnects the device from the grid dZac Max Maximum grid impedance change before
14. and Care 7 Maintenance and Care To enable the Windy Boy to be used also outdoors in places that are difficult to access it has been constructed for low maintenance However in the interests of maximum yields the operator should check weekly if possible and under various wind conditions whether the Windy Boy s display indicates plausible normal operation see section 4 3 4 Description of the Operating Modes Page 17 Naturally this information can also be obtained by using one of the communication options It is only necessary to clean the Windy Boy if the heat dissipation is limited by dirt on the cooling fins or in the space between the Windy Boy and the wall The dirt should be carefully removed with an appropriate soft brush or paint brush If the display screen or the status LEDs are so dirty that it is difficult to see them clean them with a damp cloth Solvents abrasives or corrosive materials must not be used for cleaning User Manual WB25_30 11 FE0407 Page 41 Maintenance and Care SMA Technologie AG Page 42 WB25 30 11 FE0407 User Manual SMA Technologie AG Extensions 8 Extensions As with all inverters in the Sunny Boy family the Windy Boy can also be extended with a range of communication interfaces This provides the operator with the possibility of requesting detailed operating data and error messages for subsequent analysis on a PC using e g the free software available from SMA The data can currently
15. changed after entering the SMA grid guard password KI Wind Reg Control speed Do not change default setting KP Wind Reg Control speed Higher value increases controller speed lower value reduces controller speed A lower value reduces oscillations of the input side of the Windy Boy LDVtgC Compensation for the voltage drop in the cabling With this parameter the voltage drop between the inverter and the grid connection point is taken into account The 10 minute average voltage at the inverter connection must not exceed the sum of ACVigRPro plus LDVtgC The parameter LDVtgC is preset to O V for inverters which are preset to GER VDE 0126 1 1 The parameter LDVtgC is preset to 50 V for grid areas in which the additional surge voltage protection is not required see parameter ACVtgRPro Thus the surge voltage protection is deactivated for these grid areas 253 V 50 V 303 and only the fast cut off via the Uac Max parameter intervenes Plimit Upper limit for AC output power Pmax Reduces the Windy Boy s maximum output power to adapt to wind turbines with lower output power P Wind Mid Defines the power threshold after which the curve climbs more steeply P Wind Ramp Controls a delayed startup of the characteristic curve only after the Windy Boy has been switched on This prevents the generator from being suddenly presented with a heavy load User Manual WB25 30 11 FE0
16. not Betrieb relevant Operation Erdschluss o The red Earth Fault LED is Sarena constantly on Failure 2 relevant Consult a trained electrician to correct the fault using the installation User Manual WB25 30 11 FE0407 Page 19 Unit Description Permanent Disable In the event of a recurring fault the Windy Boy switches to Permanent Disable mode and ceases grid feeding A fault may exist that cannot be resolved on site You can attempt to correct the error with the aid of a communication interface and the corresponding communication product e g PC with Sunny Data or Sunny Boy Control If this is unsuccessful consult the Sunny Boy hotline section 12 Contact Page 81 to discuss further action to solve the problem Page 20 WB25_30 11 FE0407 Betrieb Operation Erdschluss Earth Fault St rung Failure SMA Technologie AG The yellow LED is constantly on User Manual SMA Technologie AG Unit Description Grid Fault reen Betrieb s Operation The yellow LED illuminates Ee e twice in quick succession arth Fault yellow Y St rung Failure 3s 15 The code is repeated 3 times then begins again The yellow fault LED illuminates for 5 seconds when the fault occurs and then begins displaying the blink code of 3 seconds off then twice briefly on This code is displayed 3 times in succession If the fault is still present the fault displa
17. of the Windy Boy s grid connection cable AC cable Check the grid impedance and the grid connection at the Windy Boy Use a cable with an adequate cross section low impedance observe the advice to this effect in the installation manual If the grid impedance is still too high ask the grid operator if the grid characteristics at the feed in point can be altered User Manual WB25 30 11 FE0407 Page 73 General Information SMA Technologie AG 10 3 Declaration of Conformity CE CE Declaration of Conformity for utility interactive inverters Product Windy Boy Type WB 700 WB 1100 WB 1100LV WB 1700 WB 2500 WB 2800i WB 3000 We declare that the above specified devices are compliant with the regulations of the European Community in terms of the design and the version fabricated by SMA This especially applies for the EMC Regulation defined in 89 336 EWG and the low voltage regulation defined in 73 23 EWG The devices are compliant with the following standards EMC Emission DIN EN 61000 6 3 2002 08 DIN EN 61000 6 4 2002 08 DIN EN 55022 2003 09 class B Utility Interference DIN EN 61000 3 3 2002 05 DIN EN 61000 3 2 2001 12 Immunity DIN EN 61000 6 1 2002 08 DIN EN 61000 6 2 2002 08 Safety DIN EN 50178 1998 04 Semiconductor Converter DIN EN 60146 1 1 1994 03 The above mentioned devices are therefore marked with a CE sign Note This declaration of conformity becomes invalid in case the p
18. the Windy Boy should be taken from the installation manual delivered with the device The Windy Boy inverter has a special operating mode for wind turbines which allows performance adjustment to the characteristic curve of the generator In this way you can obtain maximum yields from your wind energy system A wide input voltage range very high efficiency and a freely configurable output characteristic curve with the highest level of reliability are only some of the properties that are useful for your grid connected system or a stand alone system combined with the Sunny Island The Windy Boy is compatible with all SMA communication products RS232 RS485 Powerline radio display providing numerous possibilities for diagnostics data visualization and remote maintenance of your small wind energy system User Manual WB25 30 11 FE0407 Page 7 Introduction SMA Technologie AG according to the specifications in the Sunny Island manual For stand alone systems which use Sunny Island Configure your Windy Boy respect fo your wind turbine In order to guarantee optimal operation of your Windy Boy in conjunction with your wind turbine specific parameters must be adjusted to achieve optimum yields The configuration process is described in section 6 Turbine Operation Page 31 Configuration of the Windy Boy s programmable voltage power curve with Apart from the parameter settings the Windy Boy is identical to the Sunny Boy photovol
19. 18 WB25 30 11 FE0407 SMA Technologie AG Betrieb Operation The green Erdschluss LED is Earth Fault illuminated St rung Failure Betrieb Operation 15 Em The green LED blinks 3 times St rung per second Failure Betrieb Operation 18 Erdschluss e The green LED Earth Fault blinks once per St rung e second Failure User Manual SMA Technologie AG Derating The temperature monitoring of the Windy Boy has reduced the output power to prevent the device from overheating If this occurs often this is an indication of inadequate heat dissipation or excessive input current e Temperature derating To avoid unnecessary reductions in yield in this case it should be checked if the Windy Boy can be mounted in a more favorable position with better ventilation e Current derating Unit Description Betrieb Operation 15 Erdschluss The green LED Earth Fault goes out briefly n r St rung once n Failure second The input current on the DC side exceeds the maximum possible input current The Windy Boy switches to the Current Derating mode in order to protect itself against overload Check the system layout Defective Varistor or Isolation Error The red LED on the Windy Boy is constantly on A grounding error has occurred or one of the thermally monitored varistors on the DC input side is defective as a result of overvoltage manual
20. 2 0 4 Fax 49 561 9522 100 AWG ea SNA info SMA de Page 2 of 2 Page 76 WB25 30 11 FE0407 User Manual SMA Technologie AG General Information 10 4 Clean report of findings The Windy Boy is equipped with the SMA grid guard 2 automatic disconnection device and is covered by the industrial trade association SMA grid guard version 2 clean report of findings 34266 Niestetal Erzeugnis Typ Bestimmungsgem e Verwendung Pr fgrundlage DIN V VDE V 0126 1 1 2006 02 ung ltig Geis Mehlem Leiter der Pr f und Zertifizierungsstelle SMA Technologie AG Hannoversche Stra e 1 5 Das Sicherheitskonzept des o g Erzeugnisses entspricht den zum Zeitpunkt der Ausstellung dieser Bescheinigung geltenden sicherheitstechnischen Anforderungen f r die aufgef hrte bestimmungsgem e Verwendung Die Unbedenklichkeltsbescheinigung wird sp testens UB 010 17 P Ow 6312 25 01 2006 Unbedenklichkeitsbescheinigung Selbstt tig wirkende Schaltstelle ENS SMA grid guard Version 2 Selbstt tig wirkende dem VNB unzug ngliche Schaltstelle als Sicherheitsschnittstelle zwischen einer Eigenerzeugungsaniage und dem Niederspannungsnetz Gleichwertiger Ersatz f r eine jederzeit dem VNB zugangliche Schaltstelle mit Trennfunktion Selbstt tige Schaltstelle zwischen einer netzparallelen Erzeugungsanlage und dem ffentlichen Niederspannungsnetz 31 12 2010 U
21. 407 Page 63 General Information SMA Technologie AG Name Ripple Ctl Frq Ripple Ctl Lev Ripple Ctl Revr Explanation The Ripple Ctl Frq Ripple Ctl Lev Ripple Ct Rcvr parameters are intended to handle ripple control signals with Windy Boys These parameters may only be changed after prior agreement with SMA Technologie AG SMA SN Serial number of the Windy Boy Software BFR Firmware version of the operation control unit BFR Software SRR Firmware version of the current control unit SRR Speicherfunkt Memory funct Default Parameter returns all parameters to the factory settings Reset Betriebsdaten returns all user level parameters to the factory settings Reset Fehler resets a permanent error T Start Grid synchronization start timer T Stop Stop timer for aborting the supply of power and switching off Uac Min Lower Uac Min and upper Uac Max limits of the allowable Uac Max AC voltage stand alone grid recognition before the grid monitoring system disconnects the device from the grid Uac Tavg Averaging time for measuring grid frequency UdcWindMax Defines the voltage at the moment when the Windy Boy begins feeding maximum power into the grid UdcWindMid Defines the voltage threshold after which the curve climbs more steeply UdcWindStart Defines the voltage at the moment when the Windy Boy begins to feed power into the mains grid and begins t
22. 407 Page 71 General Information SMA Technologie AG Error Code MSD Zac Description Internal measurement comparison error or hardware defect Contact SMA if this error occurs frequently Offset Error in the acquisition of measurement data Contact SMA if this error occurs frequently Riso A grounding error has occurred or one of the thermally monitored varistors on the DC input side is defective as a result of overvoltage Consult a trained electrician to have the fault corrected You can find instructions on how to change the varistors in the installation manual ROM The Windy Boy firmware is faulty Contact SMA if this error occurs frequently Shutdown Temporary Windy Boy fault Trafo Temp F Unacceptably high temperatures have occurred at the transformer The Windy Boy stops feeding the grid until the temperature lies within the acceptable range once more If this error occurs frequently check the heat dissipation Trafo Temp W IF the transformer reaches an unacceptably high temperature the Windy Boy stops feeding the grid until the transformer has returned to an acceptable temperature and grid feeding can resume The Trafo Temp W warning is displayed until the next time the device is switched off Check the Windy Boy s heat dissipation Vac Bfr Vac Srr The grid current is no longer within the permissible range Bfr and Srr are internal messages which have no meanin
23. AMT Windy Boy WB 2500 3000 Inverter for Wind Energy Power Plants Version 1 2 WB25 30 11 FE0407 TBE WB25 30 User Manual SMA Technologie AG Table of Contents Table 1 2 3 4 4 1 4 2 4 3 4 3 1 4 3 2 4 3 3 4 3 4 4 4 6 1 6 2 6 3 6 4 5 5 6 5 8 8 1 1 8 1 2 8 1 3 User Manual of Contents Explanation of Symbols Used 5 7 Safety Instructions 9 Unit 11 Appropriate Usage of the Windy Boy 11 Structure of the Device 13 Operating Modes 15 Normal 15 Critical Faulty Operation 16 Non Critical Faulty 17 Description of the Operating Modes 17 Information on the Display 25 Setting the Display Language 29 Turbine Operation 31 ONVBIVIGW S esso ea E X RO RERO UPS RR RR 31 Characteristic Curve Function 31 Characteristic Curve Operation in Turbine Mode 33 General Example Settings 35 Changing the Power Curve with the Sunny Data PC Software and the USB Service Interface 37 Installation of the USB Service Interface 38 Maintenance and Care
24. IP65 ca 434 mm x 295 mm x 214 mm Dimensions w x h x d Weight approx 32 kg External Interfaces optional optional RS232 RS485 electrically separated Data transmission via powerline Daten bertragung over separate data cable optional Wireless data transmission User Manual WB25 30 1 1 FE0407 Page 57 Technical Data SMA Technologie AG Page 58 WB25_30 11 FEO407 User Manual SMA Technologie AG General Information 10 General Information 10 1 Measurement Channels and Messages If your Windy Boy is equipped with a communication component then numerous measurement channels and messages can be incorporated into diagnostics These can be useful for improved performance and for error prevention The following abbreviations apply BFR Operation control unit SRR Current control unit Name Explanation Error Identification of the present fault error Errorr Cnt The number of errors which have occurred since the last reset E Total Total amount of feed in energy Event Cnt The number of events which have occurred since the last reset Fac Grid frequency h On Total number of operational hours h Total Total number of operational hours with grid feeding lac Grid current DC current Mode Display of the current operating mode Pac Grid power provided Power On Total number of grid switch ons Riso Insulation resistance
25. Parameters 69 Error Messages 70 Declaration of Conformity CE 74 Clean report of findings 77 Stand Alone Systems 79 x e 81 WB25 30 11 FE0407 User Manual SMA Technologie AG Explanation of Symbols Used 1 Explanation of Symbols Used To ensure optimum use of this document note the following explanation of the symbols used This symbol identifies an example procedure or operation more difficult This symbol indicates a fact which if not observed could result in damage to components or represent a danger to persons Read these passages especially carefully This symbol indicates a notice where failure to follow the advice will make the User Manual WB25_30 11 FE0407 Page 5 Explanation of Symbols Used SMA Technologie AG Page 6 WB25 30 11 FE0407 User Manual SMA Technologie AG Introduction 2 Introduction must be approved by the local energy supplier Carefully read this installation manual All prescribed safety regulations the technical connection requirements of the local energy supplier and all other applicable regulations must be adhered to The Windy Boy may only be installed by trained specialists The installer The Windy Boy inverters make it possible to operate small wind turbine systems connected to the grid Grid connected means
26. SMA EeRestore One of the duplicate data sets in EEPROM is defective and has been reconstructed without loss of data Fac Bfr Fac Srr The grid frequency is no longer within the permissible range Bfr or Srr is an internal message that has no meaning for the user The Windy Boy disconnects from the grid in order to avoid potential damage or islanding Check the grid frequency and the grid connection at the Windy Boy If the grid frequency lies outside the permissible range because of local grid conditions ask the grid operator if they agree to a modification of the operating parameters If the grid frequency lies within the tolerance range yet Fac Bfr or Fac Srr errors are still being displayed contact the SMA hotline Imax Overcurrent on the AC side This error code is displayed if the current in the AC grid is larger than specified Check the system configuration and the grid conditions K1 Schliess K1 Trenn Error during relay test Contact SMA if this error occurs often or several times in succession MSD Fac Internal measurement comparison error or hardware defect Contact SMA if this error occurs frequently NUW Timeout Internal measurement comparison error or hardware defect Contact SMA if this error occurs frequently MSD Vac Internal measurement comparison error or hardware defect Contact SMA if this error occurs frequently User Manual WB25 30 11 FE0
27. User Manual SMA Technologie AG Setting the Display Language 5 Setting the Display Language The display language is set using the switches on the underside of the LCD assembly DC and AC connections from the Windy Boy according to the installation manual As the cover must be removed ask a qualified electrician to disconnect the N Position of the switches for setting the display language Language Switch S2 Switch S1 German B B English B A French A B Spanish A A User Manual WB25 30 11 FE0407 Page 29 Setting the Display Language SMA Technologie AG Page 30 WB25 30 11 FE0407 User Manual SMA Technologie AG Turbine Operation 6 Turbine Operation 6 1 Overview The Windy Boy is a single phase inverter that converts DC current into AC current and feeds the energy generated by a wind turbine system into an existing grid The Windy Boy is externally identical to the Sunny Boy inverter for photovoltaic systems The Windy Boy does however have a special operating mode for wind turbine systems and water turbines which makes it possible to adjust the output to the characteristic curves of many different manvfacturers wind turbines Turbine operating mode In this way maximum yields can be obtained from your wind turbine s
28. V generators Otherwise the inverter may be damaged Check the configuration of your system and measure the DC voltage before reconnecting the inverter to the DC voltage ACVIgRPro The average grid voltage over 10 minutes is no longer within the permissible range This can be due to either of the following reasons The grid voltage at the connection point is too high e The grid impedance at the connection point is too high The inverter disconnects to allow compliance with the voltage quality of the grid Check the grid voltage at the Windy Boy s connection point If due to the local grid conditions the grid voltage increases to 253 V or more ask the grid operator whether the voltage at the feed in point can be adjusted or whether they agree to an alteration of the threshold value ACVigRPro operating parameter ACVtgRPro for voltage quality monitoring If the grid voltage is continuously within the acceptable range yet the ACVtgRPro error is still displayed contact the SMA hotline Bfr Srr Internal measurement comparison error or hardware defect Contact SMA if this error occurs frequently derating Once the Windy Boy enters the Derating mode it displays the derating warning until the next time the device is switched off If this warning appears frequently check the heat dissipation of your device dFac Bfr dFac Srr The changes in grid frequency are outside the permissible range Bfr
29. WB25_30 11 FEO407 Page 81 Legal Restrictions SMA Technologie AG The information contained in this document is the property of SMA Technologie AG Publishing its content either partially or in full requires the written permision of SMA Technologie 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 Exclusion of liability The general terms and conditions of delivery of SMA Technologie AG shall apply The content of these documents is continually checked and amended where necessary However discrepancies cannot be excluded No guarantee is made for the completeness of these documents The latest version is available on the Internet at www SMA de or from the usual sales channels Guarantee or liability claims for damages of any kind are exlcuded if they are caused by one or more of the following Improper or inappropriate use of the product Operating the product in an unintended environment Operating the product whilst ignoring relevant statutory safety regulations in the deployment location Ignoring safety warnings and instructions contained in all documents relevant to the product Operating the product under incorrect safety or protection conditions Altering the product or supplied software without authority The product malfunctions due to operating attached or neighboring devices beyond statutory limit values In ca
30. ack and accessible from the Sunny Beam for system monitoring The Sunny Beam is connected to the PC via a USB cable The installation of the Radio Piggy Backs and the connection to the PC is described in the Sunny Beam user manual PC with EY Sunny Beam Sunny Data Control N 8 3 Sunny Boy Control Light The simple data logger for systems with up to 10 Windy Boys The connection between the Sunny Boy Control Light and the Windy Boys occurs via Powerline Requirements The Windy Boys must be equipped with a Powerline Piggy Back Installation is described in detail in the Sunny Boy Control Light documentation Sunny Boy Control Light Powerline Page 46 WB25 30 11 FE0407 User Manual SMA Technologie AG Extensions 8 4 Sunny Boy Control The data logger for systems with up to 50 Windy Boys The connection between the Sunny Boy Control and the Windy Boys can be realized as follows Powerline wireless communication via the mains power line Requirements All the Windy Boys must be equipped with a Powerline Piggy Back Sunny Boy Control RS485 communication via cable Requirements All Windy Boys must be equipped with an RS485 Piggy Back and the Sunny Boy Control must be equipped with an RS485 Piggy Back at the COM Sunny Boy interface Sunny Boy Control RS485 max 1200 m The data logger for systems with up to 50 Windy Boys an additional interface for connection to a PC or to a large displa
31. acteristic Curve Operation As soon as the DC input voltage reaches the value defined in lt UdcWindStart gt the Windy Boy begins feeding power into the grid As you can see from the characteristic curve the power fed into the grid rises with the DC input voltage curve section It is also possible to set lt UdcWindStart gt lower than lt UpvStart gt Thus grid feeding is also possible with low DC input voltages However this setting depends on the voltage level of the grid As soon as the DC input voltage reaches the value defined by the parameter lt UdcWindMid gt the output power corresponds to the value defined by lt P Wind Mid gt If the voltage continues to increase the power rises according to the voltage power curve To emulate the typical behavior of an actual wind turbine system after lt P WindMid gt the curve is steeper than before lt P WindMid gt As soon as the DC input voltage reaches the value defined in the parameter lt UdcWindMax gt the Windy Boy feeds the grid with the maximum possible power If the input voltage continues to rise the Windy Boy continues to feed the grid at maximum power The maximum output power corresponds to the maximum AC output of the Windy Boy but can be reduced via the parameter lt Pmax gt User Manual WB25_30 11 FE0407 Page 33 Turbine Operation SMA Technologie AG The characteristic curve ends at the maximum permissible DC input voltage of the Windy Boy which must never be ex
32. age 53 Technical Data SMA Technologie AG 9 2 WB 3000 Description Short Value descr Generator connection data Max input open circuit voltage Vpco 600 V Input voltage range Vpc 268 600 V Nominal DC operating voltage Vpc nom 350 Max input current emer 12 A Max input power 3200 Recommended generator power max 2080 W 5000 full load hours year Recommended generator power at Piurb max 12340 W 2500 ful load hours year Connection of the DC input side DC plug connectors Overvoltage protection thermally monitored varistors Voltage ripple Vep lt 4 of the input voltage Insulation protection ground fault monitoring Riso gt 1 MOhm Operating consumption lt 7 W standby Reverse polarity protection via short circuit diode Page 54 WB25 30 11 FE0407 User Manual SMA Technologie AG Technical Data Description Short Value descr Grid connection data Nominal output power PACnom 12600 W Output peak power PACMax 3000 W Nominal output current lACnom 11 3 A Harmonic distortion of output cur THD lt 4 rent at KUNetz lt 2 D Pac gt 0 5 Short circuit proofing grid side via current regulation Operating range grid voltage Vac 180 265 V AC Germany 198 253 260 V AC Operating range grid frequency fac 45 5 54 5 Hz Germany 47 55 50 2 Hz
33. and for satisfying the on All LEDs are Erdschl board power requirements e lt off St rung Failure Initialization The Windy Boy s on board computer is at present in the initialization phase Power Betrieb for the on board power supply is present Operation Al but output power is not yet sufficient for LEDs Erdschluss o deon grid feeding or for data transfer Earthi Fauli St rung Failure User Manual WB25_30 11 FE0407 Page 17 Unit Description Working Mode The Windy Boy has successfully passed the measurement electronics and SMA grid guard self tests and has begun feed in operation The Windy Boy is working normally and is feeding electricity into the grid It processes the wind turbine system s DC voltage according to the programmable voltage power curve see section 6 Turbine Operation Page 31 Stop The Windy Boy is in Stop mode Among other functions the measurement electronics are calibrated then the device switches to Waiting mode The Stop mode can also be manually set by the system operator via the Sunny Boy Control or the Sunny Data PC program In this case the Windy Boy remains in Stop mode until a new operating mode e g Turbine mode has been set Waiting Grid Monitoring The Windy Boy checks if the initial conditions necessary for grid feeding are satisfied e g start voltage then begins monitoring the grid Page
34. be transferred in five different ways using Powerline using a separate RS485 cable using a separate RS232 cable using a radio link Sunny Beam using the USB service interface USBPBS see section 6 5 Changing the Power Curve with the Sunny Data PC Software and the USB Service Interface Page 37 With the Windy Boy the wind turbine system can be monitored in a number of different ways SMA offers a range of products for this purpose allowing you to install a tailor made monitoring system for your system If you require more details regarding the Windy Boy products order the Sunny Family catalog or visit www SMA de In the following sections the communication products currently available are described schematically 8 1 Sunny Data Sunny Data is a PC program for direct monitoring of your system The connection of Windy Boys to a PC is described in the following sections User Manual WB25 30 11 FE0407 Page 43 Extensions SMA Technologie AG 8 1 1 Sunny Data Via Powerline Wireless communication via the mains power line up to 50 Windy Boys Requirements The Windy Boys must be equipped with a Powerline Piggy Back and the PC must be equipped with an SWR COM USB COM plug modem The connection to a PC via the SWR COM or SWR COM USB is described in the documentation for the SWR COM SWR COM USB PC with SWR COM or Sunny SWR COM USB Data plug modem 8 1 2 Sunny Data Via RS232 Communication via cable
35. ce A qualified electrician can usually assist with this problem by increasing the cross section of the grid connection cable Other measures can be taken to correct this fault but they require the explicit agreement and cooperation of the grid operator Page 22 WB25 30 11 407 User Manual SMA Technologie AG Unit Description Excessive Input Voltage green Betrieb Operation red The yellow LED illuminates 4 Erdschluss times in quick succession Earth Fault yellow Y WON Storung e Failure 3s 15 1s The code is repeated 4 times then begins again 15 15 The yellow fault LED illuminates for 5 seconds when the fault occurs then begins displaying the blink code of 3 seconds off then 4 times briefly on This code is displayed 3 times in succession If the fault is still present the fault display starts again from the beginning excessive input voltage can lead to irreparable damage Make sure that the input voltage never exceeds 60 V Immediately disconnect the Windy Boy s DC input The presence of N disconnects from the grid and ceases its power feeding activity When the Windy Boy is in operation you must always first disconnect the AC voltage grid voltage and only then should you disconnect the DC voltage from the Windy Boy When the Windy Boy receives an excessive DC input voltage it automatically User Manual WB25_30 11 FE0407 Page 23 Unit Description SMA Technologie AG Device Fa
36. ceeded Shutdown Procedure If the wind strength is so low that the DC input voltage falls below Umin an internally calculated minimum level for operation then the Windy Boy operates without feeding power into the grid for the period defined in lt T Stop gt If the DC input voltage increases once more lt T Stop gt timer is deactivated and the Windy Boy resumes according to the defined curve operation If the DC input voltage remains beneath lt Umin gt for the period defined by lt T Stop gt the Windy Boy switches itself off If the DC input voltage no longer suffices for powering the on board electronics the Windy Boy deactivates immediately After the switch off process the whole process starts from the beginning Only change the operating parameters if you know exactly what you are doing Page 34 WB25 30 11 FE0407 User Manual SMA Technologie AG Turbine Operation 6 4 General Example Settings Note that the following example only represents a starting point for operation with a wind turbine e XUpvStart is set approximately 20 lower than the lower limit of the Windy Boy s MPP range This results in early activation of the Windy Boy e UdcWindStart is set to the lower limit of the Windy Boy s MPP range e This results in early grid feeding e P Wind Mid is set to approximately 1 5 of the Windy Boy s maximum AC power e lt UdcWindMid gt is set in the upper third of the voltage rang
37. der Softwareparameter bereits auf Windgenerator Betriebsart gesetzt Zur Kennung dieses Auslieferungszustandes besitzt der Windy Boy folgende Unterscheidungsmerkmale gegen ber dem baugleichen Sunny Boy Deckel mit dem Aufdruck Windy Boy anstatt Sunny Boy Typenschild mit Aufdruck WB SB xxxx anstatt SB xxxx Alle Zertifikate der Sunny Boy Wechselrichter sind somit auf entsprechende Windy Boy Wechselrichter bertragbar Declaration of the manufacturer concerning the validity of the certificates regarding the Sunny Boy inverters with respect to the Windy Boy inverters The Windy Boy inverters are identical with the according Sunny Boy inverters see table Each Sunny Boy inverter can therefore be used as Windy Boy inverter and vice versa The respective operating mode of the inverter can be set or changed by the operator be means of an according software parameter The delivery of Windy Boy inver ters is done with the according setting of the operating mode to Wind Turbine Mode The presetting of this ope rating mode in the Windy Boy includes Enclosure lid with label Windy Boy instead of Sunny Boy Type label with a type indication WB SB xxx instead of SB xxx All certifications of the Sunny Boy inverters are therefore also valid for the respective Windy Boy inverters Explicaci n del fabricante sobre la transferibilidad de los certificados de los inversores Sunny Boy a los inver
38. ditions are not yet satisfied waiting 10 1 2 Windy Boy Operating Parameters Unauthorized changes to the operating parameters may result in N injury or accidents due to changed internal safety routines in the Windy Boy voiding the Windy Boy s operating approval certificate voiding the Windy Boy s warranty Never change the parameters of your Windy Boy without explicit authorization and instructions 10 1 3 Explanation of the Operating Parameters for adjusting a wind turbine system to the Windy Boy see also section 6 Turbine Parameters shown in bold are necessary for the programmable wind curve and Operation Page 31 Name Explanation ACVtgRPro Voltage rise protection only relevant for inverters which are preset to GER VDE 0126 1 1 Windy Boys can feed into the public grid in Germany with up to 260 V AC However DIN VDE 0126 1 1 stipulates that the average AC voltage over 10 minutes must not exceed 253 V If the average over 10 minutes exceeds the threshold value of 253 V the inverter disconnects itself from the grid Once the average over 10 minutes returns to a value of less than 253 V the inverter resumes grid feeding If surge voltage protection is not required in the relevant grid area outside Germany it can be deactivated by presetting the LDVtgC parameter In this event only the fast cutoff via the UacMax parameter intervenes Antilsland Ampl Amplification of the Antilsland process
39. e between lt UdcWindStart gt and lt UdcWindMax gt The selection of this point divides the curve into a weak and a strong wind range and is decisive for optimal adjustment of output according to your wind turbine It is to be noted that the curve is flat in the weak wind range and climbs more steeply in the strong wind range The flat curve in the weak wind range prevents the wind turbine from braking due to excessive power extraction and thus provides good startup properties e steeper curve section causes a strong increase in power extraction upon higher DC input voltages This behavior corresponds to typical wind turbine properties e UdcWindMa e is initially set approximately 10 below the Windy Boy s maximum MPP voltage Once the properties of the wind turbine are known reduction of the UdcWindMax parameter may be advisable in order to extract the maximum power from the wind turbine even at low DC input voltages low wind speeds The second curve section then increases more steeply e lt Pmax gt is set to the wind turbine s maximum output power This allows the Windy Boy s maximum AC power to be optimally adjusted to the wind turbine used This prevents the generator from being overloaded by excessive power extraction voltage power characteristic Ask the manvfacturer of your wind turbine about its typical generator properties e XT Stop is set to the maximum value Here the Windy Boy remains co
40. e device In addition to this you lose the right to all warranty claims even if the maximum input voltage of the Windy Boy is only exceeded for a short time User Manual WB25_30 11 FE0407 Page 11 Unit Description SMA Technologie AG The electronic protection system described here is always preferable to mechanical solutions pitch control turning out of the wind Any other use of the Windy Boy voids the warranty In the event of overvoltage immediately disconnect the Windy Boy s DC input The presence of excessive input voltage can lead to irreparable damage When the Windy Boy receives an excessive DC input voltage it automatically disconnects from the grid and ceases its power feeding activity When the Windy Boy is in operation you must always first disconnect the AC voltage grid voltage and only then should you disconnect the DC voltage from the Windy Boy Page 12 WB25 30 11 FE0407 User Manual SMA Technologie AG Unit Description 4 2 Structure of the Device An attractive functional design is one of the major design objectives of the entire Windy Boy product range In its basic configuration the Windy Boy has the proven status display consisting of three LEDs as well as a plain text display As long as it is installed and commissioned according to the technical specifications the Windy Boy can be operated without any further modification or configuration The device parameters can however be modified if required
41. e parameters the service interface must be removed and the Windy Boy must be closed again This solution is therefore not suitable for permanent installation Necessary Equipment Windy Boy WB 2500 3000 e or laptop with Windows 2000 Windows XP Home or Windows XP Professional with a free USB port PC software Sunny Data version 1 81 or higher available as a free download at www SMA de e PC software Sunny Data Control version 3 81 or higher available as a free download at www SMA de e USB service interface type code USBPBS range of the Windy Boy must be present The Windy Boy must also be connected In order to configure the Windy Boy a DC input voltage within the input voltage to the grid voltage Only change the operating parameters if you know exactly what you are doing be found in the download area at www SMA de The user manual for the USB service interface and the Sunny Data software can User Manual WB25_30 11 FE0407 Page 37 Turbine Operation SMA Technologie AG 6 5 1 Installation of the USB Service Interface Disconnect the Windy Boy from the grid voltage This is achieved either by pulling the fuse in the domestic power supply or by pulling out the AC connector of the Windy Boy s grid connection Brake your wind turbine system Switch off the DC circuit breaker Wait for 30 minutes before continuing so that the internal voltages can discharge Unscrew the four screw
42. fault display starts again from the beginning An overview of the status and error messages can be found in section 10 2 Error Messages Page 70 of this document Error ROM indicates that the Windy Boy has detected an error in the EEPROM firmware Contact SMA to have the error corrected Page 26 WB25 30 11 FE0407 User Manual SMA Technologie AG Unit Description Special Display Message Upon Excessive DC Input Voltage IF an excessive DC input voltage is present at the Windy Boy this is indicated by rapid blinking of the background illumination and the message shown here to the right Immediately disconnect the Windy Boy s DC input The presence of excessive input voltage can lead to irreparable damage Make sure that the input voltage never exceeds 600 V When the Windy Boy receives an excessive DC input voltage it automatically disconnects from the grid and ceases its power feeding activity When the Windy Boy is in operation you must always first disconnect the AC voltage grid voltage and only then should you disconnect the DC voltage from the Windy Boy 0 Before resuming operation the input voltage must be checked before reconnecting the DC voltage to the Windy Boy Since the Windy Boy is identical to the Sunny Boy apart from the operating mode the display shows PV photovoltaic as the input source 2 User Manual WB25_30 11 FE0407 Page 27 Unit Description SMA Technologie AG Page 28 WB25 30 11 FE0407
43. g for the user The Vac error can have the following causes Grid disconnected circuit breaker or fuse e AC cable is broken e AC cable has a high internal resistance For reasons of safety the Windy Boy disconnects itself from the grid Check the grid voltage and the grid connection at the Windy Boy If the grid voltage lies outside the acceptable range because of local grid conditions ask the grid operator if the voltages can be adjusted at the feed in point or if they agree to changes in the values of the monitored operational limits IF the grid voltage lies within the tolerance range yet Vac Bfr or Vac Srr errors are still being displayed contact the SMA hotline Page 72 WB25_ 30 11 FE0407 User Manual SMA Technologie AG General Information Error Code Description UpvMax Overvoltage at DC input Immediately disconnect the DC input of the Windy Boy Otherwise the Windy Boy could be severely damaged Check the configuration of your system and measure the DC voltage before reconnecting the Windy Boy to the DC voltage Watchdog Error message in the program code flow monitoring Zac Bfr The grid impedance is no longer within the permissible range Bfr Srr is an internal message which has no meaning for the user The Windy Boy disconnects from the grid in order to avoid potential damage or islanding The impedance is calculated from the grid impedance and the impedance
44. he characteristic curve of the Windy Boy only approximates the actual Startup Procedure During the startup phase the wind turbine is almost idle At this stage the Windy Boy only needs power for the on board power requirements If these requirements are met this operating mode is indicated by all three of the light emitting diodes LEDs on the housing cover illuminating simultaneously As soon as the DC input voltage defined in the parameter lt UpvStart gt is reached the Windy Boy begins a number of selftests measurement processes and synchronization with the grid This operating mode is indicated by means of the green LED blinking If the selftests are successfully completed and the DC input voltage remains above the value defined in lt UpvStart gt for the time defined in lt T Start gt the Windy Boy connects to the grid This operating mode is indicated by means of the green LED remaining lit The inverter also then switches to characteristic curve operation and regulates the input current according to the generator voltage The power level defined by the turbine curve is thus fed into the grid This operating mode is indicated by means of the green LED remaining lit Here it is to be noted that upon switching to characteristic curve operation the wind turbine is subjected to a corresponding load i e the rotation speed and the DC input voltage decrease The level of the voltage drop depends on the wind turbine used Char
45. ions of the operation control unit BFR and the current control unit SRR are displayed User Manual WB25_30 11 FEO407 Page 25 Unit Description SMA Technologie AG Display Messages During Operation The display shows the Windy Boy s most important operating data in a continuous cycle The following three screen images serve to clarify the display messages Each message is displayed for 5 seconds Then the cycle begins again The energy generated today and the current operating mode are displayed first The amount of energy shown under E today does not necessarily reflect the o amount of energy produced over the last 24 hours This is rather the energy produced by the Windy Boy since the last deactivation activation Subsequently the present feed in power and the output voltage are displayed This is then followed by the total energy produced so far and the operational hours of the device Fault Displays If an operational fault occurs the display immediately switches to Disturbance and the background illumination is switched on The cause of the fault is displayed for 5 seconds in the second line of the display IF a measured value is responsible for the fault condition then the value measured at the time of the fault is displayed If another measurement is possible the present value is displayed in the second line After another 5 seconds normal operating data is again displayed If the fault is still present the
46. many 198 253 260 V AC Operating range grid frequency fac 45 5 54 5 Hz Germany 47 55 50 2 Hz All pole isolator on grid side automatic disconnection device SMA grid guard 2 double implementation Power factor based on the cur rents fundamental frequency cos Phi 1 Overvoltage category Test voltage DC 1 4 kV 1 s routine testing 5 s type testing Test surge voltage serial interface 6 kV Page 52 WB25 30 11 FE0407 User Manual SMA Technologie AG Technical Data Description Short Value descr Efficiency Max efficiency nmax 94 1 European standard efficiency neuro 93 2 a The Sunny Boy SB 1 100LV can temporarily feed power into the grid with a ma ximum output voltage of 260 V According to DIN VDE 0126 1 1 however the 10 minute average must not exceed a voltage of 253 V That means ifthe grid voltage is constantly 254 V e g the inverter disconnects itself from the grid In this case contact the local grid operator for assistance DIN VDE 0126 1 1 only applies in Germany See chapter 10 1 5 Country Specific Parameter Settings Page 67 for all other preset country values of your inverter Efficiency of the WB 2500 The efficiency of the Windy Boy depends mainly on the DC input voltage The lower the input voltage the higher the efficiency User Manual WB25 30 11 FE0407 P
47. nnected to the grid even at low DC input voltage levels and waits for the next gust of wind This delays an early switch off of the Windy Boy e T Start is set to the minimum value User Manual WB25_30 11 FE0407 Page 35 Turbine Operation SMA Technologie AG This shortens the period waited before activation please observe the regulations of the local energy supplier Only change the operating parameters if you know exactly what you are doing Page 36 WB25 30 11 FE0407 User Manual SMA Technologie AG Turbine Operation 6 5 Changing the Power Curve with the Sunny Data PC Software and the USB Service Interface In addition to the communication possibilities described in section 7 you can also set parameters using the optional USB service interface This special cable enables direct communication between a PC and an individual Windy Boy The extensions mentioned in section 7 are not necessary for this purpose You will need to install the Sunny Data software on your PC This software is available for free from the download area at www SMA de The Sunny Data software is a PC program for direct monitoring and configuration of your Windy Boy and also allows visualization and logging of system parameters Windy Boy and that the safety instructions in your Windy Boy s operating and installation manuals must be observed Note that the USB service interface can only be used by opening the N Once you have finished setting th
48. o extract power from the turbine Upv Start Defines the voltage at the moment when the Windy Boy is ready to perform grid synchronization Usoll Konst Target DC voltage for constant operational voltage These parameters are only important when the Betriebsart parameter is set to U konst Page 64 WB25 30 11 FE0407 User Manual SMA Te 10 1 4 Parameter Settings for Germany General Information Grayed out parameters are only displayed in installer mode The table below contains the parameters that are applicable in Germany Name Unit Value Range Factory Setting WB 2500 WB 3000 WB 2500 WB 3000 ACVigRPro V 230 300 V 253 Antilsland Ampl grd 0 10 0 Antilsland Freq mHz 0 1 2000 500 Betriebsart MPP Operation V Const Turbine Stop Turbine Default GER ENS GER VDE 0126 1 1 GER VDE 0126 1 1 SP RD1663 AUS AS4777 USA IT GB G83 Off Grid Other trimmed dFac Max Hz s 0 1 4 0 dZac Max mohm 350 20000 700 E Total kWh 200000 0 Fac delta Hz OPNS 2 45 Fac delta Hz 0 1 4 5 0 19 h Total h 200000 0 INiTest mA 0 15000 8000 9000 Inst Code KI Wind Reg EIOS 0 005 KP Wind Reg 0 0 25 0 020 LDVtgC co SO 0 Pmax W 0 2550 0 3050 2500 3000 P Wind Mid W 0 2550 0 3050 300 400 P Wind Ramp W s 10 2000 500 Speicherfunktion Default Param Reset none Be
49. of the system to the grid connection Serial Number Serial number of the Windy Boy Vac Grid voltage Vpv DC input voltage Vpv Setpoint Nominal DC voltage Zac Grid impedance English e g Error depending on which software you are using Sunny Data or The measurement channels provide information in German e g Fehler or in Sunny Data Control User Manual WB25_30 11 FE0407 Page 59 General Information SMA Technologie AG 10 1 1 Status Messages The Windy Boy produces a range of status messages depending on the mode in which it is currently operating The status messages can vary depending on the type of communication system you are using Name Derating Explanation Overtemperature in inverter The Windy Boy reduces its performance to prevent the device from overheating Check whether the Windy Boy can be installed in a more favorable position with better ventilation so that sufficient heat dissipation can be guaranteed Fehler Error An error has been detected see section 10 2 Error Messages Page 70 I Konst Operating mode for test purposes Off Grid The Windy Boy is in Off Grid mode This mode is specially conceived for operation in a stand alone grid with a Sunny Island as grid controller More information about this topic can be obtained from the Sunny Island operating manual under the category Droop Mode MPP The Windy Boy is operating in MPP mode
50. om the beginning The presence of excessive input voltage can lead to irreparable damage Immediately disconnect the Windy Boy s DC input disconnects from the grid and ceases its power feeding activity When the Windy Boy is in operation you must always first disconnect the AC voltage grid voltage and only then should you disconnect the DC voltage from the Windy Boy e When the Windy Boy receives an excessive DC input voltage it automatically Page 16 WB25 30 11 407 User Manual SMA Technologie AG Unit Description 4 3 3 Non Critical Faulty Operation All other display codes indicate some form of error condition which is not usually dangerous to people or equipment but which should nevertheless be investigated and corrected without delay Despite all precautions it is possible that other errors may occur which cannot be displayed e g failure of the status display In order to recognize such errors the operator of the system should use the explanations in section 4 3 4 Description of the Operating Modes Page 17 to check the plausibility of the displayed normal operating modes Far more detailed diagnostics are possible using the communication options detailed in section 8 Extensions Page 43 4 3 4 Description of the Operating Modes No or Low Input Voltage The Windy Boy is in the so called Standby mode This mode occurs when the input Betrieb O power at the Windy Boy is too low for Operation feeding the grid
51. ondente inverter Sunny Boy vedi tab Ogni inverter Sunny Boy pu quindi essere utilizzato come Windy Boy e inversamente Il modo di funzionamento dell inverter pu essere definito o modificato di volta in volta dal gestore dell impianto impostando un parametro del software In caso di fornitura dell inverter da parte del costruttore come Windy Boy il parametro del software viene preimpostato di fabbrica sul modo di funzionamento generatore eolico Ai fini dell l identificazione di tale configurazione al momento della consegna il Windy Boy presenta le seguenti caratteristi che distintive rispetto al Sunny Boy di costruzione identica coperchio con la scritta Windy Boy invece di Sunny Boy targhetta con la scritta WB SB xxxx invece di SB xxxx In virt ai motivi suddetti tutte le certificazioni relative agli inverter Sunny Boy sono trasferibili sui corr rispondenti inverter Windy Boy Niestetal 28 08 2006 Sunny Boy Windy Boy SMA Technologie AG SB 700 700 ul E SB 1100 WB 1100 A pis SB 11001V 11001V dan year SB 1700 WB 1700 8 SB 2500 2500 3 i V Frank Greizer SB 2800i WB 2800i 3 Entwicklungsleiter Solartechnik Head of SB 3000 3000 5 Development Department Solar Technology Ee WB 3300 8 P 9n SB 3800 WB 3800 SMC 5000 A WB 5000 SMC 6000 A WB 6000 A SMA Technologie AG Hannoversche Strasse 1 5 34266 Niestetal Ay Tel 49 561 952
52. or the conversion of rectified DC voltage from a wind turbine permanent magnet generator into alternating current for feeding into the public grid The technical data is described in more detail in section 9 Technical Data Page 51 Overvoltage protection ON NV XX Wind Rectifier Windy Boy Public turbine grid Many wind turbine system manufacturers offer an extra overvoltage protection module This component prevents the destruction of the downstream Windy Boy in the event of overvoltage Overvoltages can occur under the following conditions e High turbine rotation speeds under strong wind conditions An increase in turbine rotation speed caused by load shedding when the Windy Boy is disconnected from the grid e g in the event of grid faults or power outages The overvoltage protection system has the following tasks When a predefined voltage is reached the Windy Boy is disconnected from the generator and a short circuit slows the generator and or brings it to a standstill e Some devices reduce the turbine rotation speed and thus the generator output voltage by switching on a resistor dumpload The electrical energy generated by the turbine is then converted to heat In grid connected systems we recommend the use of one of the electronic protection mechanisms described here Note that overvoltage at the Windy Boy can lead to destruction of th
53. roduct is modified complemented or changed and or components other than those belonging to the SMA accessories are installed in the product as well as in case of incorrect connection or inproper usage without explicit written confirmation by SMA Niestetal 13 06 2006 SMA Technologie AG ro Hank i V Frank Greizer Head of Development Department Solar Technology SMA Technologie AG Hannoversche Stra e 1 5 34266 Niestetal Tel 49 561 9522 0 Fax 49 561 9522 100 7 y www SMA de A a info SMA de WB K16A CE 12 BE2406 Page 74 WB25 30 11 FE0407 User Manual SMA Technologie AG General Information Manufacturer s Declaration for the Transferability of Certificates for Sunny Boy Inverters to Windy Boy Inverters Windy Boy WIES WB 700 WB 1100 WB 1100LV WB 1700 WB 2500 WB 2800i WB 3000 WB 3300 WB 3800 WB 5000 A WB 6000 A Herstellererkl rung f r die bertragbarkeit von Zertifikaten f r Sunny Boy Wechselrichter auf Windy Boy Wechselrichter Die Wechselrichter der Windy Boy Produkiserie sind absolut baugleich mit dem dazugeh rigen Sunny Boy Wechselrichter siehe Tabelle Jeder Sunny Boy Wechselrichter kann somit als Windy Boy betrieben werden und umgekehrt Die jeweilige Betriebsart des Wechselrichters kann jederzeit vom Anlagenbetreiber durch Setzen eines Softwareparameters definiert oder ge ndert werden Bei werkseitiger Auslieferung der Wechselrichter als Windy Boy ist
54. s in the housing cover and remove the cover by pulling it forward smoothly At the same time disconnect the PE connection from the cover Loosen the locking on the PE connection on the cover when you remove it Connect the USB service interface to the Piggy Back plug in position as shown in the diagram below The USB service interface must be plugged in in such a manner that it is aligned to the left All pins except for the two on the lower right hand side are connected Plug in position for USB service interface 2e 111411 BEN eee Connect the USB service interface s USB plug to the USB port on your PC Connect the DC plug connector Ensure that you connect every plug to the correct socket Release the brake on your wind turbine system Reconnect the Windy Boy to the grid Page 38 WB25 30 11 FE0407 User Manual SMA Technologie AG Turbine Operation e Check whether the Windy Boy s LEDs indicate correct operation In order to configure the Windy Boy a DC input voltage within the MPP range of the Windy Boy must be present The Windy Boy must also be connected to the grid voltage User Manual WB25 30 11 FE0407 Page 39 Turbine Operation SMA Technologie AG Page 40 WB25 30 11 FE0407 User Manual SMA Technologie AG Maintenance
55. se of unforeseen calamity or force majeure Software licensing The use of supplied software produced by SMA Technologie AG is subject to the following conditions This software may be copied for internal company purposes and may be installed on any number of computers Supplied source codes may be changed or adapted for internal company purposes on your own responsibility Drivers may also be transferred to other operating systems Source codes may only be published with the written permission of SMA Technologie AG Sub licensing of software is not permissible Limitation of liability SMA Technologie AG rejects any liability for direct or indirect damages arising from the use of software developed by SMA Technologie AG This also applies to the provision or non provision of support activities Supplied software not developed by SMA Technologie AG is subject to the respective licensing and liability agreements of the manvfacturer Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark SMA Technologie AG Hannoversche Strafe 1 5 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E mail info SMA de 2007 SMA Technologie AG All rights reserved Page 82 WB25 30 11 FE0407 User Manual Sales Solar Technology SMA Technologie AG Hannoversche Strasse 1 5 34266 Niestetal Germany Tel 49 561
56. ser Manual WB25_30 11 FE0407 Page 77 General Information SMA Technologie AG Page 78 WB25 30 11 FE0407 User Manual SMA Technologie AG 11 Stand Alone Systems Stand Alone Systems The Windy Boy is suitable for use in stand alone systems based on the Sunny Island For this purpose the Windy Boy requires extra settings to ensure optimal operation and to deactivate the standard grid monitoring settings Refer to the Sunny Island manual for all further relevant information Sunny Island 4248 4 Sunny Boy Windy Boy Diesel generator Public grid Mini CHP system User Manual WB25_30 1 1 FE0407 AC bus Consumers Page 79 Stand Alone Systems SMA Technologie AG Page 80 WB25 30 11 FE0407 User Manual SMA Technologie AG Contact 12 Contact IF you have any questions concerning the Windy Boy or any technical problems contact our service hotline Have the following information available when you contact SMA Inverter type of wind turbine and AC DC converter e of overvoltage protection e Communication Serial number of the Windy Boy Inverter s blink code or display EM Y Address SMA Technologie AG Hannoversche Strasse 1 5 34266 Niestetal Germany Tel 49 561 95 22 499 Fax 49 561 95 22 4699 hotline SMA de www SMA de User Manual
57. sores Windy Boy Los inversores de la serie Windy Boy presentan una construcci n absolutamente id ntica con los de la serie Sunny Boy v ase tabla Por lo tanto todos los inversores Sunny Boy se pueden manejar como los Windy Boy y viceversa El usuario del equipo puede en todo momento definir o modificar el modo de funcionamiento res pectivo configurando un par metro de Software Los inversores Windy Boy que vienen de f brica disponen de un par metro de Software ya configurado para el modo de funcionamiento generador e lico Para reconocer este estado de entrega de f brica el Windy Boy presenta respecto al Sunny Boy que est construido id ntica mente las siguientes caracter sticas Tapa donde aparece impreso en lugar de Sunny Boy Windy Boy Placa de identificaci n donde aparece impreso en lugar de SB xxx WB SB xxx WBIDENT 11 8X3506 1 Por las razones expuestas anteriormente todos los certificados referentes a las caracter sticas del inver sor Sunny Boy son transferibles a los correspondientes inversores Windy Boy SMA Technologie AG Hannoversche Stra e 1 5 34266 Niestetal Tel 49 561 9522 0 Fax 49 561 9522 100 yl y www SMA de A AP info SMA de Page 1 of 2 User Manual WB25 30 11 FE0407 Page 75 General Information SMA Technologie AG Windy Boy WIET WB 700 WB 1100 WB 1100LV WB 1700 WB 2500 WB 2800i WB 3000 WB 3300 WB 3800 WB 5000 A
58. taic inverter and can therefore also be used as a PV inverter Download the Sunny Boy manual from www SMA de if you are planning to use the Windy Boy in a photovoltaic system and contact the SMA Hotline Page 8 WB25 30 11 FE0407 User Manual SMA Technologie AG Safety Instructions 3 Safety Instructions Opening of the device and any electrical installation repair or modification of the Windy Boy may only be performed by a qualified electrician Even when no external voltage is present the device can still contain high voltages particular the temperature of the heatsink can exceed 60 C during normal operation There is a danger of burn injury when these parts are touched The temperature of individual parts of the Windy Boy s housing in N disconnection device It ensures that the Windy Boy complies with the VDEW Verband der Elektrizit tswirtschaft German Electricity Industry Association regulations for the operation of power generating systems in parallel to the low voltage grid of the electricity supply company and with DIN VDE 0126 1 1 which forms a part of these regulations The Windy Boy is equipped with the SMA grid guard 2 This is a type of automatic User Manual WB25 30 11 FE0407 Page 9 Safety Instructions SMA Technologie AG Page 10 WB25_30 11 FEO407 User Manual SMA Technologie AG Unit Description 4 Unit Description 4 1 Appropriate Usage of the Windy Boy The Windy Boy is designed f
59. that the energy generated by the wind energy system can be fed directly into an existing domestic grid a stand alone grid or the public grid To this end the Windy Boy converts the rectified DC voltage from permanent magnet wind turbine generators which varies with speed into grid compatible AC voltage Thus the Windy Boy implies that mains grid voltage is always present The Windy Boy complies with all the VDEW Verband der Elektrizit tswirtschaft German Electricity Industry Association regulations for the parallel operation of power generating systems on the low voltage grid of the electricity supply company This also encompasses the regulations of the German Professional Association for Precision Engineering and Electrotechnology relating to the automatic disconnection device for power generating systems SMA grid guard 2 and or DIN VDE 0126 In addition to this the Windy Boy complies with the electromagnetic tolerance regulations and the low voltage regulations of the relevant combined European standards as confirmed in the CE declaration of conformity 10 3 Declaration of Conformity CE Page 74 This part of the device s documentation primarily covers all topics relevant when operating Windy Boy inverters In addition to explanations of the operational methods of the device and detailed technical data advice as to data acquisition and analysis is also provided Information relating to the installation and commissioning of
60. the grid monitoring system disconnects the device from the grid E Total Total energy yield for the inverter It may be necessary to change this parameter if you replace the Windy Boy and want to use the data from the old device Fac delta Fac delta Maximum deviation in frequency above Facdelta and below Fac delta the grid frequency before the grid monitoring system disconnects the device from the grid Fac Limit delta For setting the frequency dependent ouput derating in the operating mode Off Grid Further information on this topic can be found in the Sunny Island manuals Fac Pderating Frequency dependent output limitation Page 62 WB25 30 1 1 FE0407 User Manual General Information Name Fac Start delta Explanation For setting the frequency dependent ouput derating in the operating mode Of Grid Further information on this topic can be found in the Sunny Island manuals Fac Tavg Averaging time of grid frequency measurement h_Total Total number of operational hours of the inverter It may be necessary to change this parameter if you replace the Windy Boy and want to use the data from the old device I Ni Test Impulse setting for impedance monitoring This parameter only takes effect when the Windy Boy is deactivated disconnected on the AC side or in Stop mode Inst Code Parameters for stand alone grid recognition can only be
61. trdaten Reset Fehler T Start 5 5 300 10 User Manual Page 65 General Information SMA Technologie AG Name Unit Value Range Factory Setting WB 2500 WB 3000 WB 2500 WB 3000 T Stop s 1 3600 2 Uac Min V 160 230 198 Uac Max V 230 300 260 UdcWindMax V 150 600 550 UdcWindMid V 150 600 400 420 UdcWindStart 150 600 250 270 Upv Start V 250 600 290 600 300 330 Usoll Konst V 250 600 600 change the SMA grid guard parameters you must enter your personal SMA grid Parameters designated with are safety related grid monitoring parameters To guard password Inst Code Call the Sunny Boy hotline to obtain your personal SMA grid guard password Page 66 WB25_30 11 FE0407 User Manual SMA Technologie AG General Information 10 1 5 Country Specific Parameter Settings The parameters listed below represent country specific settings and are only displayed in installer mode All other parameters are international and can be viewed in the table in section 10 1 4 The default settings for GER VDEO126 1 1 USA IT and AUS are not described here because the Windy Boy WB 2500 3000 has no certification for these countries Windy Boy WB 2500 Name Unit Country Settings Germany Great Britain Spain Default GER VDEO126 1 1 GB G83 SP RD 1663 dFac Max Hz s 4 0 25 2 dZac Max mOhm
62. ult green Betrieb Operation red The yellow LED illuminates 5 Erdschluss times in quick succession Earth Fault yellow Yo St rung Failure 3s 15 15 15 15 The code is repeated 5 times then begins again The yellow fault LED illuminates for 5 seconds when the fault occurs then begins displaying the blink code of 3 seconds off then 5 times briefly on This code is displayed 3 times in succession If the fault is still present the fault display starts again from the beginning If the device fault leads to a major impairment of normal operation the Windy Boy and the entire system installation should be checked by a qualified electrician Page 24 WB25 30 11 FE0407 User Manual SMA Technologie AG Unit Description 4 4 Information on the Display Since 2006 the Windy Boy has been equipped with an LCD display in the housing cover as standard ik Stringwechselrichter string inverter Activating the Display Illumination The background illumination is switched on by tapping on the housing cover Tapping again switches the display to the next message After 2 minutes the illumination switches off automatically Display Messages in the Startup Phase The following messages are displayed during the Windy Boy s startup phase Since the Windy Boy is identical to the Sunny Boy apart from the operating mode the display shows Sunny Boy After 6 seconds the firmware vers
63. y and additional connection possibilities for digital and analog inputs and outputs Requirements See section 8 4 Sunny Boy Control Page 47 8 5 Sunny Boy Control Plus User Manual WB25_30 11 FE0407 Page 47 Extensions SMA Technologie AG 8 6 Sunny Data Control The PC program for system monitoring and visualization on a PC for systems with a Sunny Boy Control Requirements A system with a Sunny Boy Control Sunny Boy Control Plus or Sunny Boy Control Light with a connection to a PC Internet display using the Connection also possible modem Visualization with Sunny Internet display using the Data analysis with Excel The connection between the PC and the Sunny Boy Control can be made via modem if required Large systems with more than 50 Windy Boys can be monitored by coupling several Sunny Boy Controls together Page 48 WB25 30 11 FE0407 User Manual SMA Technologie AG Extensions 8 7 Sunny WebBox The Sunny WebBox is a versatile inexpensive platform for system visualization directly at a PC or via the Internet using the Sunny Portal Telephone connection L RS485 RS232 Powerline 8 8 Sunny Portal The Sunny Portal is a high performance interface from SMA for the monitoring and presentation of your system in the Internet Details can be obtained from the Sunny Family catalog or directly at www SUNNY PORTAL com
64. y starts again from the beginning With this message the Windy Boy indicates a grid fault which can have the following causes undervoltage Uac lt Uac Min Grid overvoltage Uac gt Uac Max underfrequency Fac lt Fac Min e Grid overfrequency Fac gt Fac Max e Grid frequency change dFac Check if a general grid dropout has occurred check the operation of other electrical consumer devices and check if the fuse of the Windy Boy s feed in connection is intact If none of these faults can be found then the Windy Boy s grid connection N must be checked by a qualified electrician User Manual WB25_30 11 FE0407 Page 21 Unit Description SMA Technologie AG Excessive Grid Impedance green Betrieb Operation red The yellow LED illuminates 3 Erdschluss e times in quick succession Earth Fault yellow 24 34 St rung Failure 5 5 The code is repeated 3 times then begins again The yellow fault LED illuminates for 5 seconds when the fault occurs and then begins displaying the blink code of 3 seconds off then 3 times briefly on This code is displayed 3 times in succession If the fault is still present the fault display starts again from the beginning The Windy Boy has detected a fault relating to an unacceptable grid impedance If the Windy Boy frequently deactivates and displays this error during grid monitoring the cause can be an excessive grid impedan
65. ystem The mechanical power output of the wind turbine is fed into the Windy Boy in the form of a rectified rotation speed variable DC voltage RPM and current intensity torque Most small wind turbine systems have a so called permanent magnet generator and a downstream rectifier for converting the variable frequency AC voltage from the generator into DC current 6 2 Characteristic Curve Function The Turbine operating mode of the Windy Boy uses a programmable power voltage curve to regulate the input current depending on the generator voltage One characteristic of a wind turbine system is that it provides an optimum working point for current and voltage corresponding to the present rotation speed or wind speed This behavior is not linear The Windy Boy uses an approximation based on a combination of even functions These functions can be programmed by the user so that they correspond to the behavior of the wind turbine being used thus enabling a power adjustment User Manual WB25 30 11 FE0407 Page 31 Turbine Operation SMA Technologie AG The diagram shows the combined even function of a typical Windy Boy power voltage curve The feed in AC power is shown here in relation to the Windy Boy s DC input voltage The adjustable parameters UpyStart UpcWindStart UpcWindMid P WindMid UpcWindMax and Pmax can be used to adapt the power voltage curve of the Windy Boy to the wind turbine being used UpcWind P WindMid

Windy Boy WB 2500 / 3000 Inverter for Wind Energy

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