WINDY BOY 2500 / 3000
Contents
1. Efficiency 98 96 94 92 c 90 88 lig 86 i Windy Boy 2500 309 Voc N 290 500 1000 1500 2000 2500 Pac W Peok efficiency T max 94 1 Euro ETA I auro 93 2 96 52 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG 11 2 Windy Boy 3000 WB 3000 DC input Technical Data Turbine control Polynomial characteristic curve Nominal power PpC nom 2 925 W Maximum power PDC max 3 200W Recommended generator power at 2 500 2500 2 400 W fullload hours per year Recommended generator power at 5 000 5000 2 100 W fulHoad hours per year Minimum power for feeding operation PDC min 20W Nominal operating voltage Upc nom 350 V Maximum voltage at Uac 230 V Upc max 600 V Voltage range at UAc 230 V 268 600 V Minimum adjustable open circuit voltage for grid Vpv Start 290 V synchronization Voltage ripple UPP lt 10 Nominal input current IDC nom Overall maximum input current IDC max 12A Number of inputs 3 Maximum current per input 12A Installation Guide WB25_30 IEN101030 53 Technical Data SMA Solar Technology AG AC Output Nominal power PAC nom 2 750 W Maximum power PAC max 3 000 W Nominal current IAC nom 12A Maximum output current IAC max 15A Maximum permissible rating 16A Grid current2. Message Description and corrective measure VpvMax Overvoltage at DC input The inverter can be destroyed by overvoltage Corrective measures Disconnect the inverter from the grid immediately 1 Turn off the line circuit breaker 2 Stop the small wind turbine system 3 Disconnect all the DC plug connectors 4 Check DC voltage Ifthe DC voltage is above the maximum input voltage check the system design If the DC voltage is under the maximum input voltage reconnect the small wind turbine system to the inverter as described in section 5 4 4 Connecting the Small Wind Turbine System DC page 29 If the message occurs again disconnect the inverter again and contact the SMA service line Watchdog Internal program run fault Watchdog Srr Corrective measures Contact the SMA service line if this disturbance occurs frequently Installation Guide WB25_30 IEN101030 43 Failure Search SMA Solar Technology AG 9 3 Red LED is glowing continuously Should the red LED on the inverter glow continuously during operation either there has been a ground fault in the system or at least one of the varistors inside the inverter is defective In intentionally grounded systems the red LED has been lit up since the commissioning of the inverter However this has no impact on the functioning of the inverter Before you check the small wind turbine system for a ground fault make sure an intentional connection to the grou
3. t must be possible to access the installation location freely and safely at all times without the need for additional tools such as scaffolding or lifting platforms Service actions are otherwise limited m Vertical installation tilted backwards max 45 Never mount the device with a forward tilt Do not install horizontally connection area must point downwards Install at eye level in order to allow the operating status to be read at all times ensure optimal operation the ambient temperature should be below 40 C Do not expose the inverter to direct sunlight to avoid a power reduction due to excessive heating In living areas do not mount the unit on plasterboard walls or similar in order to avoid audible vibrations The inverter can make noises when in use which may be perceived as a nuisance in a living area Observe the minimum clearances to walls other inverters or objects as shown in the diagram in order to guarantee sufficient heat dissipation 14 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Installing the Device 4 3 Mounting the Inverter with Wall Mounting Bracket CAUTION N Risk of injury due to the heavy weight of the inverter Remember that the inverter weighs approx 31 kg When mounting the bracket use fastening material su
4. SMA Solar Technology AG Electrical Connection 13 Screw the threaded sleeve tightly onto the socket element 14 Tighten the pressure screw or cable gland tightly onto the threaded sleeve Size used Procedure cable gland PG13 5 The fastening case along with the sealing ring is pressed into the threaded sleeve and can no longer be seen PG16 Retighten the lock nut to the The AC connection socket has been screwed together 15 If the AC connection socket is not immediately connected to the inverter close the AC plug on the inverter with the protective cap provided 16 Insert the AC connection socket into the AC socket on the inverter Remove the protective cap EL ER beforehand as required S A 17 Turn the threaded ring of the AC connection socket tightly onto the AC socket on the inverter The threaded ring serves to seal and relieve strain the AC connection socket The AC cable is now connected to the inverter Installation Guide WB25 304 101030 23 24 Electrical Connection SMA Solar Technology AG 5 3 Setting the Display Language You can set the language of the display using the switches on the underside of the display assemblies inside the inverter Procedure 1 Open the inverter as described in section 7 2 Opening the Inverter page 36 2 Set the switches for the required language as shown below
5. 35 Sae ee d dol 35 Opening the 36 Closing the 37 Maintenance and 38 Failure e Eb eg 39 nec oup tinct thant wasa wawapi q 39 Error Messages SEPA 40 Red LED is glowing 44 Checking the Small Wind Turbine System for a Ground Fault 44 Checking the Function of the Varistors 45 47 Dismantling the 47 Packing the 48 Storing the 48 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Table of Contents 10 4 Disposing of the 48 11 Technical Data 49 11 1 Windy Boy 2500 WB 2500 49 11 2 Windy Boy 3000 WB S000 53 12 6560068 54 a ERO REY 57 13 Contact sies tek wb inl ee ace is 58 Installation Guide WB25_30 IEN101030 5 Notes on this Manual SMA Solar Technology AG 1 Notes on this Manual This manual describes the assembly installation comm
6. Language Switch 2 Switch S1 German B B English B A French A B Spanish A A 3 Close the inverter as described in section 7 3 Closing the Inverter page 37 display language is now set WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Electrical Connection 5 4 Connecting the Small Wind Turbine System DC 5 4 1 Conditions for the DC connection The connection cables of the small wind turbine system must be equipped with plug connectors You will find the necessary DC plug connectors for the DC connection in the delivery following limiting values at the DC input of the inverter may not be exceeded Maximum input voltage Maximum input current 600 V 12A DANGER Risk of lethal electric shock or fire The maximum possible input current is limited by the plug connectors used If the plug connectors are overloaded an electric arc may occur and there is a risk of fire Ensure that the input current does not exceed the maximum flow current of the plug connectors used NOTICE o Destruction of the inverter by overvoltage If the voltage of the small wind turbine system exceeds the maximum input voltage of the inverter it can be destroyed by the overvoltage All warranty claims become void Install overvoltage protection e g Windy Boy Protection Box between the small wind turbine system and the inverter
7. Wind Power Inverter WINDY BOY 2500 3000 Installation Guide WB25_30 IEN101030 IME WB25 30 Version 3 0 C SMA Solar Technology AG Table of Contents Table of Contents 1 1 1 1 2 1 3 1 4 2 2 1 2 2 2 3 2 3 1 2 3 2 3 3 1 2 2 4 4 1 4 2 4 3 5 5 1 5 1 1 5 1 2 5 2 5 2 1 5 2 2 5 3 Notes on this 6 of validi atta impedita a ate PRU LEER 6 Target Group s hs REED VV ae go ge twa aa 6 Additional Information 6 Symbols Serle bhatt UNM 7 Salety sos d ews ee 8 Appropriate 8 Safety cus Slot older VU dus da ca 9 Explanation of Symbols 9 Symbols on the Inverter oru Lee eie 9 Symbols on te Type a poop ce pee hh 10 Unpacking iia eaa ehe MERCREDI ESO ME 11 Packi ng op oid 11 Identifying the Inverter 12 Installing the 13 13 Selecting the Mounting Location 14 Mounting the Inverter with Wall Mounting Bracket 15 Electrical Connection 17 Overview of the Connection Area 17 Viewer tat IAM Hm oti od uY 17 Interior VieW
8. Say e Br Ree LUCUS 18 Connection to the Public Grid AC 19 Conditions for the AC 19 Connecting to the Public Grid AC 21 Setting the Display 24 Installation Guide WB25_30 IEN101030 3 Table of Contents SMA Solar Technology AG 5 4 5 4 1 5 4 2 5 4 3 5 4 4 5 5 5 5 6 1 5 6 2 5 7 6 1 6 2 7 1 7 2 7 3 9 1 9 2 9 3 9 3 1 9 3 2 10 10 1 10 2 10 3 Connecting the Small Wind Turbine System DC 25 Conditions for the DC 25 Assembling the DC Plug 26 Opening the DC Plug 28 Connecting the Small Wind Turbine System 29 Communicotlion 30 Setting the Grid Parameters and Country Parameters 30 Setting the Installation 30 Setting Off Grid 31 Polynomial Characteristic 32 COMMISSIONING 545255 Doe PREDA ORDRE nae a 33 Commissioning the 33 Operating Modes of the Inverter 34 Opening and
9. THD at lt 4 Kugiid 2 and Pac gt 0 5 Prom Nominal voltage UAC nom 230V Grid voltage range 220 V 240 V Minimum grid voltage UAC min 180 Maximum grid voltage UAC max 260 V Nominal frequency self adjusting Fac 50 Hz 60 Hz Operating range grid frequency 4 5 Hz Power factor at Pacnom cos p Overvoltage category AC Connection AC connection socket Maximum cable diameter 17 mm Cross section of insulated conductor 2 5 mm Protective Device AC short circuit protection Current control Islanding detection Yes Galvanically isolated Yes LF transformer All pole disconnection unit on the AC side Independent disconnection device SMA Grid Guard 2 All pole disconnection unit on the DC side DC plug system SUNCLIX DC reverse polarity protection Short circuit diode DC overvoltage protection Windy Boy Protection Box optional 54 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Mechanical Data Technical Data Width x height x depth 440 mm x 299 mm x 214 mm Weight 313 kg Climatic Conditions Operating temperature range 25 60 Relative air humidity admissible 0 100 Maximum operating altitude above mean sea 2 000 m level General Data Protection rating IP65 Protection class l Noise emission typicol lt 30 dB A according to DIN EN 6
10. defective and must be replaced Varistor failure is generally due to influences that affect all varistors similarly temperature age induced overvoltage SMA Solar Technology AG recommends that you replace both varistors The varistors are specially manufactured for use in the inverter and are not commercially available You must order replacement varistors directly from SMA Solar Technology AG see section 12 Accessories page 57 To replace the varistors proceed to step 3 NOTICE Destruction of inverter by overvoltage Procure replacement varistors as soon as possible and replace the defective ones P P P immediately For systems with a high risk of overvoltage do not operate inverters using faulty varistors or no varistors at all 3 46 Insert an insertion tool into the openings of the terminal contacts 1 This releases the terminals If you do not receive an insertion tool for operating the clamps with your replacement varistors please contact SMA Solar Technology AG As an alternative the terminal contacts can be operated using a 3 5 mm wide screwdriver Remove the varistor 2 Insert new varistor 3 The pole with the small loop crimp must be fitted to terminal A 3 when remounting Close the inverter as described in section 7 3 Closing the Inverter page 37 The check and replacement of the varistors is completed WB
11. exact operating range of the inverter is specified in the operating parameters The corresponding document is available in the download area at www SMA de en in the category Technical Description of the respective inverter 3 Disconnect the line circuit breaker and secure against re connection Strip approx 30 mm from the AC cable 5 Shorten Land N by 5 mm 6 Strip 4 to 5 mm of insulation from AC cable Lead the pressure screw and or cable gland and threaded sleeve over the AC cable Installation Guide WB25 30 IEN101030 21 Electrical Connection SMA Solar Technology AG 8 12 22 Size used Procedure PG13 5 Push the sealing ring into the fastening case Lead the pressure screw PG13 5 and the fastening case including the sealing ring over the AC cable lead the threaded sleeve over the AC cable PG16 Lead the cable gland PG16 over the AC cable Lead the threaded sleeve over the AC cable Insert the PE protective conductor green yellow into the screw terminal with the earth sign on the socket element and tighten the screw Insert the neutral conductor N blue into the screw terminal 1 on the socket and tighten the screw Insert phase L brown or black into the screw terminal 2 on the socket element and tighten the screw Terminal 3 on the socket element remains unused Make sure the wires are securely connected WB25_30 IEN101030 Installation Guide
12. is only required if the inverter was originally ordered for another country You can see the standard to which the inverter was set upon delivery on the type label and the enclosed data sheet with the factory settings 30 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Electrical Connection 5 6 2 Setting Off Grid Operation To operate the inverter in a Sunny Island system you must set the inverter via the Default parameter to off grid OFF Grid operation You have several possibilities to set the inverter to off grid operation Setting via Sunny WebBox or Setting via Sunny Data Control or Sunny Explorer DANGER Danger to life due to high voltages in the event of outage of the public grid If you set the inverter to off grid operation it does not fulfill any country specific standards and regulations Therefore if there is an outage of the public grid there is a danger of back feed Never operate the inverter directly on the public grid when set to off grid operation Installation Guide WB25_30 IEN101030 31 Electrical Connection SMA Solar Technology AG 5 7 Polynomial Characteristic Curve The polynomial characteristic curve is a programmable power curve depending on the DC input voltage By adapting the default polynomial characteristic curve to the small wind turbine system being used you can optimize the energy output of the small wind turbine system To optimally adapt the polynomial ch
13. 01030 Installation Guide SMA Solar Technology AG Failure Search 9 3 2 Checking the Function of the Varistors Varistors are wear parts Their functional efficiency diminishes with age or following repeated responses as a result of overvoltages It is therefore possible that one of the thermally monitored varistors has lost its protective function kE i Position of Varistors The position of the varistors is to be determined with the help of the diagram below Observe the following allocation of the terminals Terminal A outer terminal varistor connection with loop crimp Terminal B middle terminal Terminal C outer terminal varistor connection without loop You can check functionality of the varistors in the following manner 1 Open the inverter as described in section 7 2 Opening the Inverter page 36 2 Use a Multimeter to ensure that both varistors in the installed state have a conducting connection between connectors B and C Result M There is a conducting connection Action There is probably a different fault in the inverter 1 Close the inverter as described in section 7 3 Closing the Inverter page 37 2 Contact the SMA service line Installation Guide WB25_30 IEN101030 45 Failure Search SMA Solar Technology AG Result There is no conducting connection Action The respective varistor is
14. 0529 Features Topology Low frequency transformer Cooling concept Convection Internal Consumption Internal consumption in operation lt 7W Internal consumption in standby 0 25 W Installation Guide WB25_30 IEN101030 55 Technical Data SMA Solar Technology AG Efficiency 98 300 V Vpc 400V 96 n a g z v O AH Un 480 V 941 56 92 90 88 im I I 300 400 480 86 i Windy Boy 3000 Voc 500 1000 1500 2000 2500 3000 Pac W Peak efficiency iimas 95 Euro ETA euro 93 6 56 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG 12 Accessories Accessories You will find the corresponding accessories and replacement parts for your inverter in the following overview If required you can order these from SMA Solar Technology AG or your dealer connectors Description Brief description SMA order number Windy Boy Protection Rectifiers and overvoltage protection for WBP Box 600 small wind turbine systems with Windy Boy Replacement varistors Set of thermally monitored varistors 2 SB TV 4 including insertion tool Installation tool for varistors Tool for installing the varistors SB TVWZ RS485 upgrade set RS485 interface A85PB NR Bluetooth Wireless Bluetooth interface BTPBINV NR Technology upgrade kit SU
15. 25_30 IEN101030 Installation Guide SMA Solar Technology AG Decommissioning 10 Decommissioning 10 1 Dismantling the Inverter Open the inverter as described in section 7 2 Opening the Inverter page 36 Remove all cables from the inverter Close the inverter with the 4 screws Loosen the lower screw between the inverter und nn nnn n 2 wall mounting bracket 5 Remove the inverter upwards from the wall mounting bracket The inverter is dismantled Installation Guide WB25_30 IEN101030 47 Decommissioning SMA Solar Technology AG 10 2 Packing the Inverter If possible always pack the inverter in its original packaging If it is no longer available you can also use an equivalent box The box must be capable of being closed completely and made to support both the weight and the size of the inverter 10 3 Storing the Inverter Store the inverter in a dry place where ambient temperatures are always between 25 C and 60 C 10 4 Disposing of the Inverter Dispose of the inverter at the end of its service life in accordance with the disposal regulations for electronic waste which apply at the installation site at that time Alternatively send it back to SMA Solar Technology AG with shipping paid by sender and labeled ZUR ENTSORGUNG FOR DISPOSAL see section 13 Contact page 58 48 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG 11 Techni
16. Installation Guide WB25_30 IEN101030 25 Electrical Connection SMA Solar Technology AG 5 4 2 Assembling the DC Plug Connectors The connection cables of the small wind turbine system must be equipped with the supplied DC plug connectors for connecting the inverter To assemble the DC plug connectors proceed as follows Make sure the plug connectors have the correct polarity The DC plug connectors have the symbols Cable requirements Use a PV1 F cable Procedure 1 Insert the stripped cable into the plug connector as far as it will go 2 Press the clamping clip down until it audibly snaps into place 3 Ensure the cable is correctly in place Result Action M If the conductor is visible in the hollow Proceed to step 4 cavity of the clamp the cable is in the correct position 26 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Electrical Connection Result If the conductor is not visible in the hollow cavity of the clamp the cable is not in the correct position Action Loosen the clamping clip with the help of a screwdriver Remove the cable and start again from step 1 4 Push the threaded joint to the thread and screw into place M The DC plug connectors are now assembled and can be connected to the inverter as described in section 5 4 4 Connecting the Small Wind Turbine System DC page 29 I
17. NCLIX DC plug Field plug for conductor cross sections of SUNCLIX FC6 SET 2 5 mm 6 mm Installation Guide WB25_30 IEN101030 57 Contact SMA Solar Technology AG 13 Contact If you have technical problems concerning our inverters contact the SMA Serviceline We require the following information in order to provide you with the necessary assistance Inverter type Inverter serial number Type of connected small wind turbine system Optional equipment e g communication devices Blink code or display of inverter SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany www SMA de SMA Serviceline Inverters 49 561 9522 1499 Communication 49 561 9522 2499 Fax 49 561 9522 4699 E Mail Serviceline SMA de 58 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Legal Restrictions 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 Exclusion of liability The general terms and conditions of delivery of SMA Solar Technology AG shall apply The content of these documents is continually checked and amended where necessary However discrepancies cannot be excluded No guarantee
18. _30 IEN101030 11 Unpacking SMA Solar Technology AG 3 2 Identifying the Inverter You can identify the inverter by the type label The type label is on the right side of the enclosure The serial number Serial No and the type Type Model of the product as well as device specific characteristics are specified on the type label 12 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Installing the Device 4 Installing the Device 4 1 Safety DANGER Danger to life due to fire or explosion Despite careful construction electrical devices can cause fires Do not mount the inverter on flammable construction materials Do not install the inverter in areas where highly flammable materials are stored Do not install inverters in areas with a risk of explosion CAUTION Danger of burn injuries due to hot enclosure parts Mount the inverter in such a way that the enclosure cannot be touched inadvertently CAUTION Risk of injury due to the heavy weight of the inverter Remember that the inverter weighs approx 31 kg Installation Guide WB25_30 IEN101030 13 Installing the Device SMA Solar Technology AG 4 2 Selecting the Mounting Location Consider the following points when selecting where to install The installation method and location must be suitable for the inverter s weight and dimensions see section 11 Technical Data page 49 Mount on a solid surface
19. aracteristic curve of the inverter to the wind turbine system being used you can change the following parameters on the PC with the Windy Boy Setup Tool www SMA de en Vpv Start 4 UdcWindStart ago Wind Pmax P Wind Ramp KP Wind Reg KE Wind Reg T Stop A description of the operating parameter is available in the download area ot www SMA de en in the category Technical Description of the respective inverter The inverter regulates its output power according to the generator voltage The following illustration shows the function of a typical polynomial characteristic curve of a WB 2500 WB 3000 Here the fed in AC power is shown according to the DC input voltage of the inverter RN Pmax Vpv Start AC output power UdcWindStart DC input voltage 32 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Commissioning 6 Commissioning 6 1 Commissioning the Inverter 1 Check the following requirements before commissioning Correct mounting and correct connection of the inverter The enclosure lid is securely closed The line circuit breaker is laid out correctly Correct grounding of the small wind turbine system in accordance with the instructions of the manufacturer The rectifier and overvoltage protection e g Windy Boy Protection Box are installed between the small wind turbine system and the inverter DC inputs that are not needed are clos
20. cal Data 11 1 Windy Boy 2500 WB 2500 DC Input Technical Data Turbine control Polynomial characteristic curve Nominal power PDC 2 480 W Maximum power PDC max 2 700 W Recommended generator power at 2 500 2500 2 000 W fullload hours per year Recommended generator power at 5 000 5000 1 800 W fulHoad hours per year Minimum power for feeding operation PDC min 20 W Nominal operating voltage UDC nom 300 V Maximum voltage at Uac 230 V Upc max 600 V Voltage range at Uac 230 V 224 V 600 V Minimum adjustable open circuit voltage for grid Vpv Start 250 V synchronization Voltage ripple UPP lt 10 Nominal input current IpC nom 8 3A Overall maximum input current IDC max 12A Number of inputs 3 Maximum current per input 12A Installation Guide WB25_30 IEN101030 49 Technical Data SMA Solar Technology AG AC Output Nominal power PAC nom 2 300W Maximum power PAC max 2 500W Nominal current I AC nom 10A Maximum output current IAC max 12 5A Maximum permissible rating 16A Grid current THD at lt 4 Kugiid 2 and Pac gt 0 5 Prom Nominal voltage UAC nom 230V Grid voltage range 220 V 240 V Minimum grid voltage UAC min 180 Maximum grid voltage UAC max 260 V Nominal frequency self adjusting Fac 50 Hz 60 Hz Operating range grid frequency 4 5 Hz Power factor at Pacn
21. d voltage increases to 253 V or more ask the utility operator whether the voltage at the feed in point can be adjusted or whether it would agree to an alteration of the limiting value ACVtgRPro for voltage quality monitoring f the grid voltage is continually within the acceptable range and this error is still displayed contact the SMA service line Bfr Srr Internal measurement comparison disturbance or hardware defect Corrective measures Contact the SMA service line if this disturbance occurs frequently 40 WB25_30 IEN10 030 Installation Guide SMA Solar Technology AG Failure Search Message Description and corrective measure EEPROM Transition disturbance during reading or writing of EEPROM data disturbance has no effect on the performance of the inverter EEPROM dBh EEPROM Data is defective the inverter has switched itself off because the loss of data has disabled important functions of the inverter Corrective measures Contact the SMA service line EeRestore One ofthe duplicate data sets in the EEPROM is defective and has been reconstructed without loss of data error message only serves to inform you and has no effect on the performance of the inverter Fac Bfr The grid frequency is no longer within the permissible range Fac Srr Bfr or Srr is an internal message of no relevance for the user FacFast For safety reasons the inver
22. ed wit the corresponding DC plug connectors and sealing plugs 2 Commission the small wind turbine system in accordance with the instructions of the manufacturer Green LED glows commissioning has been successful or Green LED flashes network connection conditions have not yet been reached Wait until the green LED lights up or The red or yellow LED is glowing or flashing there has been an error Proceed to step 3 Object Description A Green LED Operation B Red LED Ground fault or varistor defective C Yellow LED Disturbance 3 Read section 9 Failure Search page 39 and if necessary eliminate the disturbance Installation Guide WB25 304 101030 33 Commissioning SMA Solar Technology AG 6 2 Operating Modes of the Inverter Startup Procedure IF the inverter has enough voltage and power the startup process is displayed by means of simultaneous lighting of the three LEDs on the inverter As soon as the DC input voltage defined in the parameter Vpv Start is reached the inverter starts a number of self tests and measurement processes and synchronizes with the grid This operating mode is indicated by the green LED flashing on the inverter When the tests are successfully completed and the DC input voltage is above Vpv Start for the time configured in T Start the inverter connects to the grid and the green LED lights up The inverter then switches to c
23. equired in individual cases depends on the following factors Ambient temperature Routing method UV resistance Cable Requirements Object Description Value A External diameter 9mm 17 mm B Conductor cross section Max 2 5 mm C Strip insulation Approx 4 mm Installation Guide WB25_30 IEN101030 19 Electrical Connection SMA Solar Technology AG Load Disconnection Unit You must install a separate line circuit breaker for each inverter in order to ensure that the inverter can be securely disconnected under load The maximum permissible rating is located in section 11 Technical Data page 49 Detailed information and examples for the rating of a line circuit breaker can be found in the Technical Information Line Circuit Breaker in the SMA Solar Technology AG download area at www SMA de en DANGER Danger to life due to fire When more than one inverter is connected to the same line circuit breaker the protective function of the line circuit breaker is no longer guaranteed It can result in a cable fire or the destruction of the inverter Never connect several inverters to the same line circuit breaker Comply with the maximum permissible fuse protection of the inverter when selecting the circuit breaker DANGER A Risk of lethal electric shock When a generator inverter and a consumer are connected to the same line circuit breaker the protective function of the line circui
24. fined limit range Corrective measures Check the insulation of the system Check the system for ground faults as described in section 9 3 1 Checking the Small Wind Turbine System for a Ground Fault page 44 ROM The inverter s firmware is faulty Corrective measures Contact the SMA service line if this disturbance occurs frequently Shut Down Temporary inverter fault Corrective measures Contact the SMA service line Vac Bfr The grid voltage is no longer within the permissible range Bfr or Srr Vac Srr is an internal message of no relevance for the user This disturbance can be caused by any of the following conditions Grid disconnected line circuit breaker fuse AC cable is broken or AC cable is high resistance For safety reasons the inverter disconnects itself from the grid Corrective measures Check the grid current and the grid connection on the inverter f the grid voltage lies outside the acceptable range because of local grid conditions ask the utility provider if the voltage can be adjusted at the feedin point or if it would agree to changes in the values of the monitored operational limits operating parameters Uac Min and Uac Max If the grid frequency is within the tolerable range yet Uac Bfr or Uac Srr faults are still being displayed contact the SMA service line 42 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Failure Search
25. g and Closing 7 3 Closing the Inverter 1 Reconnect the protective conductor PE connection to the enclosure lid 2 Secure the enclosure lid of the inverter by evenly tightening the 4 lid screws 3 Check the DC plug connectors for correct polarity and connect them to the inverter To release the DC plug connectors see section 7 2 Opening the Inverter page 36 4 Close all the DC inputs that are not needed as described in section 5 4 4 Connecting the Small Wind Turbine System DC page 29 in order to create the sealing on the inverter 5 Switch on the line circuit breaker 6 Commission the small wind turbine system in accordance with the instructions of the manufacturer 7 Check whether the display and the LEDs indicate normal operating mode see section 6 Commissioning page 33 The inverter is closed and in operation Installation Guide WB25_30 IEN101030 37 Maintenance and Cleaning SMA Solar Technology AG 8 Maintenance and Cleaning Check for proper inverter operation at regular intervals Impurities such as dust or pollen can cause heat accumulation that can lead to yield losses Also check the inverters and the cables for visible external damage Undertake repairs if necessary 38 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG 9 Failure Search Failure Search If the inverter displays blink codes or error messages other than those de
26. haracteristic curve operation and regulates the input current according to the generator voltage Characteristic Curve Operation After the startup process the inverter switches to characteristic curve operation and regulates the output current according to the generator voltage The inverter then begins to put a load on the small wind turbine system takes power from the small wind turbine system according to the present input voltage and then feeds it into the grid The maximum output corresponds to the maximum AC power of the inverter However this can be set using the parameter Pmax Shutdown If the wind strength is so low that the DC input voltage falls below an internally calculated value then the inverter stops feeding power into the mains grid for the period defined in T Stop When the DC input voltage increases again the inverter switches back to characteristic curve operation If the DC input voltage remains below an internally calculated value for the time set in T Stop the inverter will switch off If the DC input voltage is no longer sufficient to supply the on board electronics with power the inverter deactivates immediately 34 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Opening and Closing 7 Opening and Closing 7 1 Safety DANGER Electric shock due to high voltage in the inverter This can result in death or serious burns Pay attention to the following points before opening t
27. he inverter Ensure that there are no hazardous voltages present on the AC side Ensure that there are no hazardous currents or voltages present on the DC side NOTICE N Electrostatic discharges can damage the inverter Internal components of the inverter can be irreparably damaged by electrostatic discharge Ground yourself before touching a component Installation Guide WB25_30 IEN101030 35 Opening and Closing SMA Solar Technology AG 7 2 Opening the Inverter 1 Stop the small wind turbine system and make sure that it will not restart 2 Using a current probe ensure that there is no current to all DC cables If current is detected check the installation 3 Release all DC plug connectors with the help of a screwdriver nsert a screwdriver into one of the side slits 1 Lever the screwdriver upwards 2 and pull out the plug connector 3 DANGER Danger to life due to high voltages in the inverter The capacitors in the inverter require 5 minutes to discharge Wait 5 minutes before opening the inverter 4 Remove all screws from the enclosure lid and pull the lid forward smoothly 5 Remove the protective conductor PE connection from the lid by loosening the locking device of the PE connection on the lid The inverter is open and there is no voltage present 36 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Openin
28. is made for the completeness of these documents The latest version is available online at www SMA de or from the usual sales channels Guarantee or liability claims for damages of any kind are excluded if they are caused by one or more of the following Damages during transportation 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 n case of unforeseen calamity or force majeure The use of supplied software produced by SMA Solar Technology AG is subject to the following conditions SMA Solar Technology AG rejects any liability for direct or indirect damages arising from the use of software developed by SMA Solar Technology AG This also applies to the provision or non provision of support activities Supplied software not developed by SMA Solar Technology AG is subject to the respective licensing and liability agreements of the manufacturer SMA Factory Warranty The current guarantee conditions come enclosed with your device These are als
29. issioning and maintenance of the following SMA inverters Windy Boy 2500 WB 2500 Windy Boy 3000 WB 3000 Store this manual where it can be accessed at all times 1 1 Area of validity This manual applies to all WB 2500 and WB 3000 device types with firmware version 2 87 and higher 1 2 Target Group This manual is for qualified personnel The tasks described in this manual may be performed by qualified personnel only 1 3 Additional Information You will find further information on special topics such as designing a line circuit breaker or the description of the operating parameters in the download area at www SMA de en Refer to the user manual for detailed information on operating the inverter 6 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Notes on this Manual 1 4 Symbols Used The following types of safety precautions and general information are used in this manual DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION AU N CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE indicates a situation that result property damage if not avoided 4 Information Information provides ti
30. itable for the material 1 Use the wall mounting bracket as a drilling template and mark the positions of the drill holes J 440 mm k ac mee l E EX E i F ME m E s g 3S a 1 111 mm i 109 Em 1 218 5 co 1 ix o NINE t i 2 Attach the wall mounting bracket to the wall using appropriate screws and washers Instollotion Guide WB25_30 IEN101030 15 Installing the Device 9 4 Use the provided M6x12 screws to fix the inverter and prevent it from being lifted out of place 5 Check to ensure the inverter is firmly fastened The inverter is now mounted to the wall Use the upper mounting clips to fit the inverter in the wall mounting bracket so that it cannot be pushed out of the wall mounting bracket from the side WB25_30 IEN101030 5 nnn SMA Solar Technology AG Instollotion Guide SMA Solar Technology AG Electrical Connection 5 Electrical Connection 5 1 Overview of the Connection Area 5 1 1 Exterior View The following figure shows the assignment of the individual enclosure openings on the bottom of the inverter NC Object Description A DC plug connectors for connecting the small wind turbine system B Enclosure opening with sealing
31. lation Guide WB25_30 IEN101030 39 Failure Search SMA Solar Technology AG 9 2 Error Messages When a disturbance occurs the inverter generates a message that depends on the operating mode and the disturbance detected Message IIPV Overvoltage IDISCONNECT DC Description and corrective measure Overvoltage at DC input The inverter can be destroyed by overvoltage Corrective measures Disconnect the inverter from the grid immediately 1 Turn off the line circuit breaker 2 Stop the small wind turbine system 3 Disconnect all the DC plug connectors 4 Check DC voltage If the DC voltage is above the maximum input voltage check the system design If the DC voltage is under the maximum input voltage reconnect the small wind turbine system to the inverter as described in section 5 4 4 Connecting the Small Wind Turbine System DC page 29 If the message occurs again disconnect the inverter again and contact the SMA service line ACVtgRPro The 10 minute average grid voltage is no longer within the permissible range This can have the following causes The grid voltage at the connection point is too high The grid impedance at the connection point is too high The inverter disconnects to assure compliance with the voltage quality of the grid Corrective measures Check the grid voltage at the point of connection of the inverter f due to the local grid conditions the gri
32. nd has been carried out With intentionally grounded small wind turbine systems check occasionally that the varistors inside the inverter function correctly since a fault with the varistors can no longer be displayed 9 3 1 Checking the Small Wind Turbine System for a Ground Fault DANGER Electric shock resulting from contact with current carrying parts Death or serious burns Do not touch the small wind turbine system Only touch the cables of the small wind turbine system on their insulation Do not touch PE 1 Disconnect the inverter from both the DC and AC connections as described in section 7 2 Opening the Inverter page 36 2 Measure the voltages between the positive pole of the DC cables and the ground potential Measure the voltages between the negative pole of the DC cables and the ground potential Result Action A voltage is measurable for There is a ground fault in the system one of the two measurements Correct the ground fault and reconnect the small wind turbine system to the inverter as described in section 5 4 4 Connecting the Small Wind Turbine System DC page 29 No voltage can be measured It is likely that one of the thermally monitored varistors is defective Check the function of the varistors as described in section 9 3 2 Checking the Function of the Varistors page 45 M The check for ground faults in the system is completed 44 WB25_30 IEN1
33. nstallation Guide WB25_30 IEN101030 27 Electrical Connection SMA Solar Technology AG 5 4 3 Opening the DC Plug Connector l Screw the threaded joint off 2 Torelease the plug connector slot a screw driver into the side catch mechanism and lever out S 3 Carefully pull apart the DC plug connector 4 Loosen the clamping clip with the help of a screwdriver 5 Remove cable M The cable is removed from the DC plug connector 28 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Electrical Connection 5 4 4 Connecting the Small Wind Turbine System DC ES 17117934 Danger to life due to high voltages in the inverter Before connecting the small wind turbine system ensure that the small wind turbine system is stopped 1 Check the DC plug connectors for correct polarity and connect them to the inverter To release the DC plug connectors see section 7 2 Opening the Inverter page 36 2 To create the sealing on the inverter all the DC inputs that are not needed have to be closed as follows Insert the sealing plugs provided into the DC plug connectors that are not required Do not insert the sealing plugs into the DC inputs on the 7 7 inverter Insert the DC plug connectors with sealing plugs into the corresponding DC inputs on the inverter The small wind turbine system is connected You can now commission the inverter as de
34. o available online at www SMA de and can be downloaded or are available on paper from the usual sales channels if required 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 The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by SMA Solar Technology is under license 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 to 2010 SMA Solar Technology AG All rights reserved Installation Guide WB25_30 IEN101030 59 SMA Solar Technology AG
35. om cos p Overvoltage category AC Connection AC connection socket Maximum cable diameter 17 mm Cross section of insulated conductor 2 5 mm Protective Device AC short circuit protection Current control Islanding detection Yes Galvanically isolated Yes LF transformer All pole disconnection unit on the AC side Independent disconnection device SMA Grid Guard 2 All pole disconnection unit on the DC side DC plug system SUNCLIX DC reverse polarity protection Short circuit diode DC overvoltage protection Windy Boy Protection Box optional 50 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Mechanical Data Technical Data Width x height x depth 440 mm x 299 mm x 214 mm Weight 28 1 kg Climatic Conditions Operating temperature range 25 C 60 C Relative air humidity admissible 0 100 Maximum operating altitude above mean sea 2 000 m level General Data Protection rating IP65 Protection class l Noise emission typicol lt 33 dB A according to DIN EN 60529 Features Topology Low frequency transformer Cooling concept Convection Internal Consumption Internal consumption in operation lt 7W Internal consumption in standby 0 25 W Installation Guide WB25_30 IEN101030 51 Technical Data SMA Solar Technology AG
36. plugs for communication C Plug for AC connection Installation Guide WB25_30 IEN101030 17 Electrical Connection SMA Solar Technology AG 5 1 2 Interior View The following illustration shows the various components and connection areas of the open inverter A B ODDO a 30 N Co Object Description A Varistors B Connection area and sockets for optional communication via RS485 Plug socket AC D DC plug connectors 18 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Electrical Connection 5 2 Connection to the Public Grid AC 5 2 1 Conditions for the AC connection Observe all connection conditions of the utility operator for connecting to the public grid Cable Sizing The wire cross sectional area should be dimensioned so output losses do not exceed 1 at nominal power The maximum cable lengths relative to the conductor cross section are shown in the following table Cross section of insulated Maximum wire length conductor WB 2500 WB 3000 1 5 mm 9 m 2 5 mm 15 5 12 5m The conductor cross sectional area r
37. ps that are valuable for the optimal operation of the inverter M This symbol indicates an outcome Installation Guide WB25_30 IEN101030 7 Safety SMA Solar Technology AG 2 Safety 2 1 Appropriate Usage The Windy Boy is a wind power inverter which converts rectified current of a small wind turbine system into AC current and feeds this energy into the public grid domestic grid or the Sunny Island system Principle of a small wind turbine system with Windy Boy Load resistor Wind power plant Windy Boy Protection Box Furthermore the Windy Boy can be used as an inverter for power conversion units based on the permanent magnet generators hydro power systems combined heat and power plants diesel generator etc The manufacturer of the small wind turbine system or the generators should have his system set up for operation with the Windy Boy see also the Windy Boy planning guidelines in the download area at www SMA de en When designing the system ensure that the permitted operating range of all components is maintained at all times Also use appropriate protective measures to make sure that the maximum permissible input voltage of the inverter is not exceeded SMA Solar Technology AG offers you the corresponding components such as the Windy Boy Protection Box overvoltage protection for wind power inverters including the rectifier 8 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Safety 2 2 Safety Inst
38. ructions DANGER Danger to life due to high voltages in the inverter All work on the inverter may be carried out by qualified personnel only CAUTION N Danger of burn injuries due to hot enclosure parts Do not touch enclosure during operation Only touch the lid during operation 2 3 Explanation of Symbols This section gives an explanation of all the symbols shown on the inverter and on the type label 2 3 1 Symbols on the Inverter Symbol Explanation Operation Display Shows the operating status of the inverter gt h Ground fault or varistor defective There is either a ground fault in the system or at least one of the varistors inside the inverter is defective An error has occurred Read the installation guide and the user manual to remedy the malfunction Tap to switch on the display light and switch to the next message gt Installation Guide WB25_30 IEN101030 9 Safety SMA Solar Technology AG 2 3 2 Symbols on the Type Label Symbol Explanation Beware of dangerous electrical voltage The inverter operates at high voltages All work on the inverter may be carried out by qualified personnel only Beware of hot surface The inverter can become hot during operation Avoid contact during operation Observe all documentation accompanying the inverter The inverter must not be disposed of with the household was
39. scribed in section 6 Commissioning page 33 The following connection options are optional Installation Guide WB25_30 IEN101030 29 Electrical Connection SMA Solar Technology AG 5 5 Communication The inverter is equipped with a slot for communication interfaces so that it can communicate using special data acquisition devices e g Sunny WebBox or a PC with appropriate software See the communication interface manual for a detailed wiring diagram and a description of the mounting 5 6 Setting the Grid Parameters and Country Parameters Changing grid relevant parameters and country parameters 1 To change the grid relevant parameters you need a personal access code the so called SMA grid guard code The application form for the personal access code can be found in the download area at www SMA de en in the category Certificate of the respective inverter Ensure that you discuss the changes to these parameters with your utility operator A detailed description of the operating parameter for the inverter is available in the download area at www SMA de en in the category Technical Description of the respective inverter 5 6 1 Setting the Installation Country Using the Default parameter you can set the installation country and or the grid connection standard valid for the country via a communication device e g Sunny WebBox or a PC with appropriate software e g Sunny Data Control or Sunny Explorer This however
40. scribed in the following section contact the SMA service line You will find descriptions of the display messages during operation status messages and measuring channels in the enclosed user manual Do not try to carry out repairs other than those described here Instead use the SMA Solar Technology AG 24 hour replacement service the inverter will be ready for dispatch within 24 hours and sent to a forwarding agency and repair service 9 1 Blink Codes Green Glows continuously Red Is not glowing Yellow Is not glowing Status OK feeding operation Glows continuously Is not glowing Ground fault or varistor defective Glows continuously OK initialization Flashes quickly 3 x per second Is not glowing Is not glowing OK stop Glows continuously Is not glowing Ground fault or varistor defective Flashes slowly 1 x per second Is not glowing Is not glowing OK waiting grid monitoring Briefly goes out approx 1 x per second Glows continuously Is not glowing Ground fault or varistor defective Is not glowing Is not glowing OK derating Is not glowing Is not glowing Is not glowing OK disconnection Glows flashes Disturbance Glows continuously Is not glowing Ground fault or varistor defective Glows flashes Ground fault or varistor defective and disturbance Instal
41. t breaker is no longer guaranteed The current from the inverter and the grid can accumulate to overcurrent which is not detected by the line circuit breaker Never connect loads between the inverter and the line circuit breaker without protection Always protect loads separately NOTICE Damage to the inverter by using screw type fuse elements as a load disconnection unit A screw type fuse element e g D system Diazed or DO system Neozed is not a load disconnection device and thus may not be used as a load disconnection unit A screw type fuse element is only used as cable protection When disconnecting under load using a screw type fuse element the inverter can be damaged Use only a load disconnecting switch or a line circuit breaker as load disconnecting unit 20 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Electrical Connection 5 2 2 Connecting to the Public Grid AC Overview of the AC connection socket Object Description A Socket element B Threaded sleeve C Sealing ring PG 13 5 D Fastening case PG 13 5 E Pressure screw for PG13 5 for a cable diameter between 9 mm 13 5 mm F Cable gland PG16 for a cable diameter between 13 5 and 17 mm Procedure 1 Choose an appropriate screw fitting for the AC cable 2 Checkthat the grid voltage is within the admissible voltage range The
42. te For further information on disposal see section 10 4 Disposing of the Inverter page 48 CE mark The inverter complies with the requirements of the applicable EC guidelines RAL quality mark for solar products The inverter complies with the requirements of the German Institute for Quality Assurance and Labeling The inverter has a transformer Direct Current DC Alternating Current AC The inverter is protected against penetration by dust particles and water jets from any angle 10 WB25_30 IEN101030 Installation Guide SMA Solar Technology AG Unpacking 3 Unpacking 3 1 Packing List Check the delivery for completeness and for any visible external damage Contact your dealer if anything is damaged or missing F G H M Object Number Description A Inverter B 1 Wall mounting bracket C 6 DC plug connectors 3 x positive 3 x negative D 6 Sealing plugs for DC plug connectors E Protective cap for AC plug connector on inverter F AC connection socket socket unit threaded sleeve pressure screw PG13 5 sealing ring PG13 5 fastening case PG13 5 cable gland PG16 G 1 M6x12 cylinder head screw H Jumper l 1 Instollotion Guide K 1 User Manual L 1 Set of documents with explanations and certificates C 1 Supplement with the factory settings of the inverter Installation Guide WB25
43. ter disconnects itself from the grid Corrective measures Check the grid connection and contact the utility operator if necessary f the grid frequency is within the tolerance range yet Fac Bfr Fac Srr or FacFast faults are still being displayed contact the SMA service line Imax Overcurrent on the AC side This indicator is displayed when the current at the AC grid is greater than specified Corrective measures Check the system design and grid conditions K1 Close Fault during relay test K1 Open Corrective measures Contact the SMA service line if this problem occurs frequently or several times in succession MSD FAC Internal measurement comparison disturbance or hardware defect MSD UAC Corrective measures MSD Timeout Contact the SMA service line if this disturbance occurs frequently Offset The Derating operating condition is a normal operating condition that occurs prior to grid monitoring If offset is displayed as an error then there is a disturbance in the data logging Corrective measures Contact the SMA service line if this disturbance occurs frequently Installation Guide WB25_30 IEN101030 41 Failure Search SMA Solar Technology AG Message Description and corrective measure Riso The electrical insulation between the small wind turbine system and ground is faulty The resistance between the DC plus and or DC minus connection and ground is outside the de
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