JSI-G30K3 PV Grid-Connected Inverter User Manual
Contents
1. Com param bs LE Language Time Power adj Load default Language 0 1 EN 2 CH 1 In the default menu 2 Press ENTER or gt to enter the general control menu 3 Navigate the hand pointer to the Set param and press ENTER button 4 Press ENTER button to confirm the password input Note that the default password is 1111 5 Navigate the hand pointer to the Sys param and press ENTER button 6 Move the hand pointer to the Language and press ENTER button 7 Use A or WV to change number between 0 1 and 2 0 represents Spanish and 1 means English and 2 for Chinese 8 Choose the number you want and press Enter to confirm your choice 21 6 13 Change Date and Time 250V 230V 71A L2 LP a 230V 72A L1 72A 230V L3 State Run P ac 47 300kW 2007 01 25 10 15 25 LE L3 Run inform a a ala Fault record Start Stop cs Set param AN oet param Password 1111 te Sys param a Adj param Pro param Com param Language Ta t Time Power adj Load default e Time Date 07 04 12 Time 14 28 30 1 In the default menu 2 Press ENTER or gt to enter the general control menu 3 Navigate the hand pointer to the Set param and press ENTER button 4 Press ENTER button to confirm the password input Note that th2. If you have any questions about or technical problems with the JSI G30K3 our hotline be happy to assist you Please keep the following data when contacting Jalpower JALP Q WER Address Jalpower Corporation Ltd USA Taiwan China 107 East Meda Ave Glendora C91741 LI8A Tel 1 BzZ5 853 2054 Ermail salesalalpawer carm 2E No 4 Aly 1 Ln 225 Sec 1 Meibu Rd Neihu Dist Taipei City 114 Taiwan Rock Tal 886 2 26583737 Email SUpportenjalpoywer com Room 2504 Mo 18 Shun Yi Road Shanghai 200083 Ching Teliteb 71 54259997 Email sales mlalpower carm 38
3. POWER OPERATION and FAULT LED indicators share the same meaning with small POWER RUN and FAULT indicators Table 6 1 Meaning of LED indicators LED Name Meaning POWER The indication of control board s power supply Inverter is in grid mode and working normally STOP When the JSI G30K3 stops operation FAULT There is a fault in the power system Communication indication between inverter and PC 6 2 LCD Control Panel The LCD control panel is mounted on the JSI G30K3 enclosure at eye level 6 buttons right next to the LCD are used to check or set parameters in the LCD control menu see Figure 7 4 line LCD Buttons Fig 7 LCD panel Table 6 2 Definitions of buttons cancels ends the present function answers questions with No returns to the previous menu moves up to the previous line increases the present value moves down to the next line decre ases the present value o moves to the right value moves to the left value ENTER Selects a function from the menu Selects a value confirms changes answers questions with Yes The background illumination of the LCD is activated by pressing any button on the panel and will automatically be deactivated 2 minutes later to save power 10 6 3 Explanation of the Display Symbols The JSI G30K3 display has four lines Multiple display symbols are used which are explained in the following Table 0 3 Table 0 3 Explanations of symbols u
4. CL OJE 230v 72A yj P ac 47 300kW 230V 72A TE 250V 230V 71A 200A State Run 2007 01 25 10 15 25 Is Run inform Fault record Start Stop Set param Set param Password 1111 A Sys param Adj param Pro param Com param a Please input real value V L12 000V I L1 000A V L23 000V I L2 000A V L31 000V I L3 000A PF 0 000 adj confirm 1 In the default menu 2 Press ENTER or b to enter the general control menu 3 Navigate the hand pointer to Set param and press ENTER button 4 Press ENTER button to confirm password input Note that the default password is 1111 5 Navigate the hand pointer to Adj param and press ENTER button the the the 6 Use dand b to choose digits employ A and W to increase or decrease number 8 Input real value you read from your electric meter and press Enter to confirm them The Adj param menu is designed to adjust the difference between the LCD displayed value and the users measured real value and perform the adjustment of displayed real data V LI2 V L23 V L31 are the user measured three phase line to line voltage I L1 I L2 I L3 are the user measured three phase current PF is measured power factor 25 6 17 Communication Parameters Setting I In the default menu 230V 72A C Lt NN OLTA iz 2 Press ENTER or
5. I grid the inverter s inside temperature Temp and today s running minutes h today 3 The P today power curve diagram shows the power generated from 6 am to 18 pm ina single day the data are updated every 3 75 seconds and the total diagram data will be cleared at the beginning of a new day The P axis is marked by the percentage of the rated power 50KW 4 The E today histogram diagram shows the energy generated from 6 am to 18 pm in a single day the data is updated every second and the length of the block is 1 hour The total diagram data will be cleared at the beginning of a new day The E axis is marked by the percentage of the SOKWH 6 8 Check Fault Records 230V 72A L4 250V 230V 71A L2 200A 230V 72A T State Run P ac 47 300kW 2007 01 25 10 15 25 LE Run inform d I Fault record Start Stop Set param Total Fault Nub 02 2007 01 12 10 12 18 Vdc high 2007 01 14 11 12 18 Vdc high 1 In the default menu 2 Press ENTER or b to enter the general control menu 3 Navigate the hand pointer to the Fault record and press ENTER button 4 Press W button to move to left fault records The Fault record can log the latest 20 fault records which includes the fault name and occurred time Note that one screen can only display 7 fault records press W button to move to next fault records if necessary Vac low Table 0 5 Exp
6. Display Lanetuage sereni aya ox E Selek rai ge 21 Glo Change Dae amd TIME inlesin undan nene auibus 22 6 14 Output Energy Value Adjustment s ccssseeeeeesssss 23 6 15 Load Default Seung 54 esed NEM vetu ee SED eae adee see ee 24 6 16 Displayed Real time Parameters Adjustment 25 6 17 Communication Parameters Setting 26 Ti MO Ai arate e T T NITET 27 7 1 Checking for Shipping Damage 27 742 Basic Installation RE Gine M usus visco Ee asal HOD TEES 27 75 Mechanical Mounino emmesini bbw a d eher PIDE NS 28 7 3 1 Safety Mounting Instructlons 28 7 3 2DeviceDimensionsandWelight 29 KA EISCI Cal ONNCCHON epey akde adede lies 30 7 4 lElectricalConnecttonRegulrements 30 725 7 Wires COMME Cll OM Stns veo Eo Urso Mimi ale ee lan a Meis 31 7 5 Communication lastallaton 33 PO e e liars hn e De e PPP 34 7 6 1 Start EAC IHVOEFUGE euo inline ldik ee dl sik 34 7 6 2Closethelnverter 1000 34 S lee kele A al a ka iii Salli la li 35 SL Electrical Specie KO Sama e ba SNR a ela sa bora itc etd 35 6 gt Mechanicadl 5peclHtealtlOTI suus de een nace vn ta ep od EAS Dia M des 35 Boo POTUIT CS E EIUS M ECIAM Su YE YE PR 36 9 NDDOUGDE uu vestrae CR Eu rats tede eb ptes bu al xs tees 37 Ol EXCISION
7. OL LaDy ksa led ENS dE anand dion dle aan been Eyed dites 37 COME ACU WS RUE EE 38 1 Symbols Explanation Please note the following explanation of the symbols used in this manual WARNING This indicates a condition that can cause fatal injury or death NOTICE This indicates a condition that will help to achieve optimal system operation Caution This indicates a condition that may cause minor or moderate injury 2 Introduction Thank you for buying the JSI G30K3 from JALpower We hope that the devicewill meet with your satisfaction when you use it with your PV plant system 2 1 Grid Connected PV inverter A JSI G30K3 grid connected PV system is shown in Fig l JSI G30K3 transforms the direct current generated by the PV array into stable alternating current and output to the utility grid Utility Grid PV Array JSI G30K3 Fig l Grid connected Inverter for PV power application 2 2 How to use this manual The purpose of this manual is to provide users with detailed product information and instructions for the use of the JSI G30K3 grid tied PV inverter 3 Safety Instructions Please read the instructions in this manual carefully before installing and operating the JSI G30K3 Always disconne ct the inverter from the grid first ALL CONNECTIONS SHOULD ONLY BEUNDERTAKEN BY QUALIFIED PERSONNEL e Allelectrical installations shall be done in accordance with local and national e
8. generated power adjustment screen 1s useful in case the total power displayed by LCD E total has difference with reading value from the external power measuring device like an electrical meter The adjustable range is from 999 999 kWh Power ad value Real measured value E total reading value 23 6 15 Load Default Setting 230V 72A L4 250V 230V 71A L2 I A rca 72A 230V L3 State Run P ac 47 300kW 2007 01 25 10 15 25 Iz Run inform m5 Fault record Start Stop ts Set param set param Password 1111 LE Sys param a Adj param Pro param Com param Language Time Power adj te Load default AN Load default i Password 0000 AN Are you sure to set it 1 In the default menu 2 Press ENTER or b to enter the general control menu 3 Navigate the hand pointer to the Set param and press ENTER button 4 Press ENTER button to confirm the password input Note that the default password is 11 11 5 Navigate the hand pointer to the Sys param and press ENTER button 6 Move the hand pointer to the Load default and press ENTER button 7 Input correct password 1111 andpress Enter 8 Press Enter to re confirm your load default comma nd After load default all the logged data and fault will be cleared 24 6 16 Displayed Real time Parameters Adjustment
9. gt to enter the general control menu ane gov A Gy State Run P ac 47 300kW 2007 01 25 10 15 25 te c3 3 Navigate the hand pointer to the Set param and press Run inform CE Fault record ENTER button Start Stop LE Set param 4 Press ENTER button to confirm the password input Set param i Note that the default password is 1111 Password 1111 5 Navigate the hand pointer to the Com param and press Sys param Adj param ENTER button Ya Pro param Cm Com param 6 Use 4 and to choose digits employ A and V to Com param increase or decrease number Address 001 Baud 0 8 Input the address and baud rate you want 0 9600 1 4800 2 2400 Com param menu contains some basic communication parameters of the inverter when connected to external monitoring device through RS485 serial communication protocol The inverter communication address can be in the first line The range of the address is 0 255 The serial communication baud rate can be adjusted through entering 0 1 and 2 in the second line O represents 9600 Baud 1 means 4800 Baud and 2 for 2400 Baud Note The address parameter is very important when your solar generation application contains many inverters and each inverter should have a unique address for serial communication 26 7 Installation This chapter gives installation instructions for JSI G30K3 7 1 Checking for Shipping Dam
10. inverter in a dusty area 27 7 3 Mechanical Mounting 7 3 1 Safety Mounting Instructions As with any electrical system touching live components can be hazardous to life and limb This device contains DC voltage of up to 450V and the grid voltage up to 450 V WARNING Only a qualified person can work on this equipment This work is only permissible ifthe AC and DC power supplies are safely disconnected from the JSI G30K3 WARNING Before any maintenance always wait for approx 10 minutes so that the capacitors in the JSI G30K3 can discharge Only then may the cover be opened 28 7 3 2 Device Dimensions and Weight The external dimensions and weight of the JSI G30K3 is in fig 1964mm 400KG Fig 9 Dimensions of JSI G30K3 NOTICE The ambient temperature should be within 10 C and 40 C Caution Some parts of the JSI G30K3 can reach temperature of over 80 C Keep a suitable distance from flammable materials WARNING Never install the JSI G30K3 in areas that contain explosive atmospheres battery rooms fuel storage 29 7 4 Electrical Connection 7 4 1 Electrical Connection Requirements Grid 230V AC The JSI G30K3 is designed for 400V grid three phase The voltage should be within 310V to 450V and the frequency should be the frequency should be PV array limit ground The inverter must be grounded in compliance with local safety codes using appropriately s
11. JINLPCOWER JSI G30K3 PV Grid Connected Inverter User Manual JALpower Corporation Ltd Table of contents Ie Sympos Ex pi O eke dir au UE cox iv REN B RE d de ba li e 1 2 MAE OAU e Tt E TD I MULT 2 2 1 Grid Connected PV ANVerlen eya iie il laa a ilin a lili 2 22 HOW 10 Use Mis Ti Wal seks eee ala ladin ld 2 ee UES e e SEO DICERE TEE TTD 3 4 General Descriptions or JSI190I Satan edo datus V e pid eese ess 4 ZI moult DESC PION de KK ME ed an 4 4 2 The Witte Interi ACS oce oa tuam diil ld sa bella uU eee nkeas 5 SN DITIONI 6 AME BICIS T o t Um 6 D2 MOGSS TEGBSIIO BL aaa in eoi dais E ae pM Pateat emat la ases 7 e p A EN olei dtd M sS bi 6 D Wate MMC KAAN A eit E o thiamine e aote KE 9 Oak LED Indie ators sexs rsdn dea Deut ong o RES ation D esti died dae 9 0 2 LED CONO Patel avis are ccs tiri naam lal ae DE ala all 10 6 3 ExplanatlonoftheDisplaySymbols 11 6 4 The Total Display Ment yemeye e eldeki ale di salik Sd 12 6 5 AdditionalExplanatlonoftheLCDMeniu 13 6 6 The beta Display Meni ledli am ll ni Balan kalin Slime ilm 14 6 7 Check Running PALA EL oe Erin vd DR eiae end ll lari ia 15 6 5 Check Fault ReCoEdS alak e msm re RR Ed des ex nd ai 17 6 9 Sra o E E e DR ME MR NR Y ER RR EE 18 6 10 SOP he R os al m el balla ie para du toes ele balla id iie 19 Old Eni rine the Password sere dE tabs eid Ubri Mal deme 20 6 12 Change
12. age 7 2 The JSI G30K3 inverters are thoroughly checked and tested rigorously before they are shipped Even though they are delivered in a rugged heavy cardboard box the inverters can be damaged in shipping which typically is the shipping company s fault So you should check the inverter before installation Please inspect the inverter thoroughly after it is delivered If any damage is seen please immediately notify the shipping company If there is any question about potential shipping damage contact JALpower Power Supply A photo ofthe damage may be helpful Do not accept unit if visibly damaged or note visible damage when signing shipping company receipt Please report the damage immediately to the shipping company Do not remove the unit from packaging Basic Installation Requirements The IP level of JSI G30K3 is IP20 so it can only be installed indoors A list of these requirements is shown below It is advised not to install the inverter in living quarters since the inverter may produce some operating noise 40 dB Avoid installing the inverter in a location subject to vibrations The LED and display should always be legible for users The ambient temperature should remain from 20 C to 40 C Itis important to have air freely circulating around the inverter therefore keep the area within 30 centimeters of the inverter free from obstacles The inverter should be mounted in a well ventilated area Avoid mounting the
13. ax PV Power 33KW Max Input Current 150A MPP Voltage Range 220 380V Maximum DC Voltage 450V B Output Data Nominal AC output power 30KW 8 2 Mechanical Specifications Dimensions W x H x D 820x1964 x646 mm Ingress Class IP20 Cindoor Operating Temperature 20 C 40 C 35 8 3 Features Forced air fan cooling RSA85 Ethernet Optional GPRS Optional EMC EN61000 6 2 EN61000 6 4 36 9 Appendix 9 1 Exclusion of Liability The content of these documents is periodically checked and revised when necessary please call us or check our website www JALpower com for the latest information However discrepancies cannot be excluded No guarantee is made for the completeness of these documents Please contact our company or distributo rs to get the latest version Guarantee or liability claims for damages of any kind are excluded 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 when ignoring relevant 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 The product malfunctions due to operating attached or neighboring devices beyond allowed limit values In case of unforeseen calamity or force majeure 37 9 2 Contact Us
14. e default password is 1111 5 Navigate the hand pointer to the Sys param and press ENTER button 6 Move the hand pointer to the Time and press ENTER button 7 Use 4 and to choose digits employ A and W to increase or decrease number 8 Input the number you want according to your local time and press Enter to confirm them 22 6 14 Output Energy Value Adjustment 230V 72A L1 MM 250V 230V 71A e T State Run P ac 47 300kW 2007 01 25 10 15 25 LE Run inform Fault record Start Stop c Set param Set param Password 1111 AN Im Sys param Adj param Pro param Com param Language Time LE Power adj Load default Power adj 000 KWH D Note that the positive symbol can also be changed to negative symbo 1 In the default menu 2 Press ENTER or b to enter the general control menu 3 Navigate the hand pointer to the Set param and press ENTER button 4 Press ENTER button to confirm the password input Note that the default password is 1111 5 Navigate the hand pointer to the Sys param and press ENTER button 6 Move the hand pointer to the Power adj and press ENTER button 7 Use 4 and to choose digits employ A and W to increase or decrease number 8 Input real value you read from your electric meter and press Enter to confirm them This
15. et param Password 0000 Es Power adj 000 KWH m y X ee i Pd Start Confirm ra ad ce Language p B l Time N Power adj na Load default Stop Confirm M gt x Please input real value V Li2 000V I Li 000A EN V L23 000V I L2 000A u Sys param JB V Ls 000V T L 000A Adj param PF 0 000 adj confirm Pro param Com param BR ad hk EN NO Pro param Set Com param e Load default Password 0000 Address 0 Baud 0 0 9600 1 4800 2 2400 Fig 8 Total display menu tree 12 6 5 Additional Explanation of the LCD Menu A A Error Password Are you sure to set it A AN Invalid Set Set Complete AN A Start Confirm Please waiting AN is Set param A irm SIOp Contin Password 0000 Fig 9 Prompting message menu Fig 9 shows all the prompting messages not included in the total display menu but will be displayed in the LCD Note that the Pro param menu contains no valid setting it is kept for future protection parameters adjustment I Select Pro param 2 Press ENTER Sys param Adj param Le Pro param Com param 3 No protection parameters can be set or adjusted NO Pro param Set 13 6 6 The Default Display Menu The LCD is initializes upon energized of the JSI G30K3 A starti
16. fault menu ENTER or b to enter the general control menu 2 Press 3 Navigate the hand pointer to the Run inform ENTER sub menus of 4 Press button to access the running parameters 5 Use V to move among these 4 menus to check parameters This level menus contains 4 separate menus 1 the real time data 2 the logged data 3 Daily output power diagram 4 Daily output energy diagram Please refer to Table 0 3 and Table 0 4 for the explanations of displayed running data Table 0 3 Explanation of electrical parameters Data explanation Unit name V grid Grid voltage I grid Output AC current F grid Grid frequency A V de I de DC Current of PV array A P ac W Table 0 4 Explanation of non electrical parameters Temp Temperature within the C enclosure The Operation time of today Total hours of Operation time Reduced CO2 weight 1 The internal logged data includes total energy generated since the first start E total energy generated within the current month E month total running time in hour h total the total running time within today h today and the weight oi the CO2 which can be avoided by using the green PV plant CO gt 2 total 2 The real time data includes daily generated energy E today the grid voltage V erid the grid frequency F grid the grid current grid the DC voltage V erid DC current
17. hand pointer to the Stop and press Stop ENTER button 5 Press ENTER button to confirm the stop command Stop Confirm Note To the inverter the emergency stop button has the same effect as the manual stop function They both disconnect the AC contactor and need manual Start in the LCD menu 19 6 11 Entering the Password JSI parameters are password protected which means they can only be G30K3 upon entry of a password To enter the password proceed as adjusted I In the default menu 230V 72A L1 ML EX mwrA Gi 2 Press ENTER or M to n 230V A C Ls enter the general control menu State Run P ac 47 300kW 2007 01 25 10 15 25 LE E 3 Navigate the hand pointer Run inform E Fault record Start Stop Ke Set param Set param Password 0000 A Set param Password 1111 20 to the Set param and press ENTER button 4 Use lt and to choose digits employ A and V to increase or decrease num ber 5 Press ENTER button to confirm the password input No te that the default password is 1111 6 12 Change Display Language 2007 01 25 10 15 25 230V 72A I 250V 230V 71A State Run P ac 47 300kW L1 L2 le Run inform Fault record Start Stop cs Set param Sel param Password 1111 N te Sys param Adj param Pro param
18. he inverter DC Connect the ground copp er bar to the ground Connecting the RS485A B wires only if users have purchase our RS485 232 Converter and monitoring software Please make sure that all wires are firmly connected Caution Make sure tall the wires are firmly tightened 32 7 5 Communication Installation Fig 11 shows the communication installation of theJSI G30K3 with the PC by RS485 serial communication port RS485A RS485B RS485 232 Converter JSI G30K PC RS232 Port Fig 11 Communication port configuration Fig 12 RS485 RS232 converter 33 7 6 Start and close 7 6 1 Start the Inverter To turn on the inverter please follow the steps below 1 Switch on the DC side circuit breaker 2 Switch on the AC side breaker 3 The inverter willto check whether that voltage impedance and frequency parameters are within operating range 4 If the parameters check is correct then the LCD will display the normal working screen 5 Then the inverter willexport to the grid and the green Power LED will continuously lit provided there is enough PV power 7 6 2 Close the Inverter 1 If users want to shut down the inverter please refer to stop command in the LCD menu in chapter 6 2 If users want to shut down the inverter immediately in an emergency please press down the emergency stop button 34 8 Technical Data 8 1 Electrical Specifications B Input Data M
19. ion Modes The modes displayed in the LCD interface include Start up Stand by Run Fault and Stop Their explanations are given below Start up Once the AC and DC connections are OK all the parameters meet requirements the AC and DC main switches are closed The inverter will auto start If the input voltage is below the start voltage 240V the inverter keeps in Start up State If the input voltage exceeds 240V and holds the value for 1 minute the inverter is ready for operation it begins feeding power to the grid and the state changes from Startup to Run Stand by Standby mode is entered for insufficient input power Ppv O for 3 minutes at stand by mode the inverter will wait until the DC voltage recovers to 240V for 3 minutes Run After being energized the inverter tracks the PV arrays maximum power point MPP and converts the DC power to AC power Fault If a fault occurs during operation the JSI G30K3 will automatically stop operation disconnect the AC contactor and the display the fault type in the LCD panel with the Fault LED burns Once the fault is removed for 5 minutes the JSI G30K3 will automatically resume running Stop The JSI G30K3 will stop operation by manually stopping the inverter through LCD menu or pressing down the Emergency Stop Button this condition needs manual restart through LCD menu During the Stop mode the JSI G30K3 will block the d
20. ized protective conductors Notice cy All electrical installations must comply with all local and national electrical codes WARNING Make sure that the DC input voltage never exceeds 450V Higher input voltages will damage the SG30K3 30 schematically in the The complete wiring for a JSI G30K3 is shown 7 4 2 Wires connection UWS uey 19810 9g pynoys SOJIM punois pue jndjno jy y JO uonoos ssoJo SUT OJON j Jojoui EOR pur amA I 1931e 9g poys soJIM jndur 9d punoln ou JO Eis SSOJO OUT SION Cp Kene Ad l FOU TIE FEN EIN Nd LNG 9Y aero uiuig Uey 19310 rra a S8pSA uuo uey 199 N CI CI IT a pmoys s m 8grsy ou JO UOTJDOS SSOJO JY L 9JO0N S 6909 ee S S Fig 10 Simplified electrical connection diagram 31 Caution The wiring of the inverter s AC and DC cables must only be done with the DC and AC circuit breakers are in the off state Please follow the steps below e gt 90 e Isolate the grid switch off the circuit breaker and secure it against accidental reactivation Connect the wires of the AC cable as follows through circuit breaker Grid L1 wire to the terminal marked L1 Grid L2 wire to the terminal marked L2 Grid L3 wire to the terminal marked 13 Grid Neutral wire to the terminal marked N Connect the DC terminals PV array DC wire to the inverter DC PV array DC wire to t
21. lanations of faults The control DSP malfunctions The IPM power module malfunctions AC side contactor malfunctions Ttp high Temperature of the main transformer is too high Temperature inside the enclosure is too high A ground fault is occurred 17 6 9 Start the Inverter 1 In the default menu 2 Press ENTER or b to enter the general control menu State Run P ac 47 300kW 2007 01 25 10 15 25 LE og 3 Navigate the hand pointer Run inform 5 to the Start Stop and press ENTER button Fault record LE Start Stop Set param 4 Navigate the hand pointer E Start to the Start and press Stop ENTER button 5 Press ENTER button to confirm the start command Start Confirm Note Normally the inverter will auto start when specifications are met or faults are removed The start function of the control menu is provided in case the inverter needs a restart after being stopped by pressing down the emergency stop button or perform manual stop in the LCD menu 18 6 10 Stop the Inverter 1 In the default menu 2 Press ENTER or b to enter the general control menu State Run P ac 47 300kW 2007 01 25 10 15 25 LE og 3 Navigate the hand pointer Run inform 5 to the Start Stop and press ENTER button Fault record le Start Stop Set param Start 4 Navigate the
22. lectrical codes Please contact your authorized system installer if any maintenance is required Connection of the JSI G30K3 to the utility grid must be done only after receiving prior approval from the utility comp any Completely disconnect the output from the PV array before connecting to the SG30K3 or use other methods to prevent electrical shock hazards This is important because if the PV array keeps connecting during the connection process may produce dangerous voltages WARNING Make sure that the DC input voltage never exceeds 450V Higher input voltages will damage the JSI G30K3 and willlead to the loss of any and all warranty 4 General Descriptions of JSI G30K3 4 1 Circuit Description Fig 2 shows the main circuit of JSI G30K3 a transformer grid connected inverter An IGBT full bridge converts the DC power to AC voltage and current The AC power is then fed to the grid after being processed by a filter and a transformer AC Main Breaker Output Transformer AC Main Contactor AC EMI FILTER LY AC Auxiliay Contactor L Filter 3 phase full bridge IGBT Fig 2 circuit diagram of JSI G30K3 4 2 The Wiring Interface Fig 3 The wiring interface of JSI Table4 1 Terminal descriptions 3 Remi 5 Operation JSI G30K3 inverter is a fully automated grid connected solar inverter with friendly user interface The details of operation are as follows 5 1 Operat
23. ng menu will be displayed during initialization which shows the manufacture name and the type of the inverter 1 The initialization menu Only appear once after activation go JALPFOWSGeR 2 The Default menu 230V 72A L1 77 250V E 230V 71A e F Display basic running 200A 72A 290V La parameters State Run P ac 47 300kW 2007 01 25 10 15 25 tS Once the LCD 1s initialized for about 2 3 minutes it will automatically changes to the default menu In the default menu the basic real time running values are displayed which includes DC current and DC voltage the AC phase current and AC line to neutral voltage the operation state the output AC power and the system time and date ey Note Fault type will be displayed in the State of the default menu when a fault occurs 6 7 Check Running Parameters P ac 47 300kW 10 15 25 t State Run 2007 01 25 a Run inform Fault record Start Stop Set param E today 0000000 0kWh V grid 000 0V V dc 000 0V I grid 000 0A I dc 000 0A O F grid 00 0Hz Temp 00 0 C P ac 000 000kW Y E total 0000000 0kWh C02 total 000 0kg E month 0000000 0kWh h total 00000h h totay 000min Y o P P today Power Curve 80 60 40 6 8 n 12 A 16 18 E today Histogram Real time data Logged data 20 Daily output power Daily output energy 15 1 In the de
24. ontrol menu during this fault But this fault will not stop the inverter which is different from Fault condition 5 3 Emergency Stop Button The Emergency stop button will shutdown the inverter disconnect the AC contactor immediately when itis punched pressed down The inverter must be started up manually through LCD control menu if users want to recover the operation after the button is punched How to Restart the Inverter after Using the Emergency Stop Button Users must manually restart the inverter according to the following procedure when the operation of the JSI G30K3 is stopped by punching the emergency stop button 1 Turn the emergency stop button clockwise to release the inverter from the stop State 2 Perform the stop command in the LCD menu 3 Perform the start command in the LCD menu 4 Then the inverter will restart LED Indicator LCD Display gt J The Emergency Stop Button JSI G30K3 Fig 0 Emergency stop button positions 6 Data Interface Users can get the running data and set parameters of JSI G30K3 from the LED POWER OPERATION FAULT LED Indicators LCD Fig 6 JSI G30K3 data 6 1 LED Indicators 3 big LED indicators are located in the front door of JSI G30K3 and 5 smaller LED indicators in the LCD panel These LED indicators help the users to quickly learn about the states of the JSI G30K3 inverter Check Table 6 1for their definitions Note that the big
25. riving signals that control the switching IGBT and disconnect the JSI G30K3 from the grid by switching off the AC 5 2 Modes Transition When energized the inverter switches states from different modes as pictured below When deactivated the inverter return to the operating mode Stop 1 Fault resolved for 5 minutes 2 Vpv gt 240V Fault occurs Or Minutes 1 Release the emergency stop button 2 Start the inverter through LCD menu 3 Vpv2240V for 1 minutes Vpv gt 240V for 3 minutes Stop the inverter through LCD Press down the emergency stop button Ppv OW for 3 minutes Fig 4 Transition of operation states Vpv is the DC input voltage Ppv is the DC input power The states displayed in the LCD menu are explained in the table below Table 5 1 State explanations of inverter Possible displayed Explanation state RUN Ihe inverter 1s 1n operation and output power to the grid STOP The operation is stopped by stop command Start up The inverter 1s under activation Stand by The operation 1s ceased by insufficient PV DOW CT Fault type A fault 1s occurred and not solved the characters Fault type itself will not be displayed during a fault condition butthe real fault type will be displayed like Vdc high or Vac low etc The Com flt shows that there is a fault between LCD and DSP which also means that users can not check or set parameters through LCD c
26. sed in the control menu Symbol General Symbols C There is sub level menu Press Enter to move to next menu There are more display menus below Press to move to next menu This menu indicates some information needed to be care about Specific Symbols Bo This menu displays data k dir Control the start stop of the wv inverter Communication parameters setting menu General parameter menu 2 3 Time setting menu 6 4 The Total Display Menu 8 below Ig in the Fi is given in The total display menu E today 0000000 0kWh V grid 000 0V V dc 000 0V l grid 000 0A l dc 000 0A o F grid 00 0Hz Temp 00 0C P ac 000 000kW Y E total 0000000 0kWh 11 C02 total 000 0kg E month 0000000 0kWh h total 00000h h totay 000min Y n P today Power Curve 90 80 60 40 20 6 8 10 12 14 16 18 YE E today hisgram 90 Languagel t 0 SP 1 EN 2 CH Time Date 07 04 12 Time 14 28 30 e gt 6 g 10 12 14 16 18 Total Fault Nub 02 2007 01 12 10 12 18 Vdc high 2007 01 14 41 12 18 Vdc high J v4 m P4 P A 5 Be E Pd 230V 72A Li Run inform yf EE 250v UE Start ff 200A mem Fault record SG100K 3 230v A a State Run P ac 47 300kW Start Stop Stop gt 2007 01 25 10 15 25 t Set param b S
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