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JALpower JSI-G1.5K User Manual

Pv grid-connected inverter
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JSI-G1.5K PV Grid-Connected Inverter
User Manual
JALpower Corporation Ltd.

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Summary of Contents for JALpower JSI-G1.5K

  • Page 1 JSI-G1.5K PV Grid-Connected Inverter User Manual JALpower Corporation Ltd.

  • Page 2: Table Of Contents

    2.1 Grid- Connected PV inverter ............2 2.2 How to use this manual ............2 3. Safety Instructions ................3 4 General Descriptions of JSI-G1.5K ............4 4.1 Circuit Description ..............4 4.2 Features of JSI-G1.5K ............... 4 4.3 The Wiring Interface ..............5 5 Operation Description ..............

  • Page 3: Symbols Explanation

    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.

  • Page 4: Introduction

    2 Introduction Thank you for buying the JSI-G1.5K from the JALpower. We hope that the device will meet with your satisfaction when you use it with your PV plant system. 2.1 Grid-Connected PV inverter A JSI-G1.5K grid-connected PV system is shown in Fig.1. JSI-G1.5K transforms the direct current generated by the PV array into stable alternating current and output to the utility grid.

  • Page 5: Safety Instructions

    Please contact your authorized system installer if any maintenance is required. Connection of the JSI-G1.5K to the utility grid must be done only after receiving prior approval from the utilit y company and performed by qualified personnel.

  • Page 6: General Descriptions Of Jsi-G1.5K

    4 General Descriptions of JSI-G1.5K 4.1 Circuit Description Fig.2 shows the main circuit of JSI-G1.5K -a transformerless grid-connected inverter. The DC-DC boost stage increased the input DC voltage; the 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.

  • Page 7: The Wiring Interface

    4.3 The Wiring Interface RS485 AC OUTPUT RS485 B Blue wire Yellow-G reen wire RS485 A Black wire Black wire Yellow wire Grid N Grid L Black wire Red wire Fig.3 The wiring interface of JSI- Table4-1 Terminal descriptions Terminal Description RS485 RS485 A : pin 1 RS485 B: pin 3...

  • Page 8: Operation Description

    5 Operation Description 5.1 Operation Modes This chapter illustrates the operation modes of the JSI-G1.5K. Stand-by Standby-mode is entered for insufficient input power(Ppv≈0 for 3 minutes), at stand-by mode the inverter will wait until the DC voltage recovers to 170V for 3 minutes.

  • Page 9: Commissioning

    The inverter works as follows when connecting to the grid: The PV modules are activated and start producing power. The JSI-G1.5K inverter starts charging the DC bus. If the DC input voltage exceeds 170 V, the inverter is ready for grid connection.

  • Page 10: Monitoring And Display

    6 Monitoring and Display 6.1 Basic Communications inverter normally operates automatically, without user interaction and any maintenance. To enable our customers to gain a thorough comprehension about the operation of the inverter, we have provided various data - collection approaches to monitor system data. Data logger Inverter Data Logger...

  • Page 11: Led Indicators

    The inverter operates automatically without the need for user interaction or maintenance. There are two LEDs and two keys at the panel of the inverter. From the leds we can get the basic work state of the JSI-G1.5K. GRID-CONNECTED INVERTER...

  • Page 12: Lcd Display

    6.3 LCD Display The display board is equipped with two line LCD .Users can get basic information from the LCD display. GRID-CONNECTED INVERTER KEYS RUN FAULT ESC ENTER Fig.8 LCD display and key board Key functions explanation There are 2 keys in the LCD board: ESC/▼ key and ENTER / ► key. ESC/▼...
  • Page 13 E-today 000.0kWh V-grid 000.0V I-grid 000.0A F-grid 00.0Hz V-dc 000.0V I-dc 000.0A Temp 00.0 T-today 00min E-today 000.0kWh P-ac 000.000kW 2006/11/22 11:44 State E-total Current-inform 0000kWH Total-inform C02-total 000 kg On-Grid-tied Inverter E-month >>>>>>>>>>>> Start Confirm【 0000kWH Language h-total 06/11/12 400V 0【...
  • Page 14 This menu includes 2 separate screens. The first screen includes parameters of “E-today ” and “P-ac”. “E-today ” indicates the daily output energy generated by JSI-G1.5K in the unit of KWH. “P-ac” indicates the real time output power of JSI-G1.5K in the unit of KW.
  • Page 15 Shortly press the “ESC/ ＂ key , ▼ quickly enter the real time parameters display menu E-today 000.0kWh ▼ V-grid 000.0V I-grid 000.0A Shortly ▼ F-grid 00.0Hz press the On-Grid-tied Inverter V-dc 000.0V >>>>>>>>>>>> ESC/ ▼ key ▼ I-dc 000.0A to move to next screens Temp...
  • Page 16 “Run-inform” menu Real time parameters menu E-today 000.0kWh V-grid 000.0V I-grid 000.0A F-grid 00.0Hz V-dc 000.0V ↓ESC/ ▼ I-dc 000.0A Temp 00.0 T-today 00min ↓↓ENTER/ ► E-today 000.0kWh P-ac 000.000kW ↓↓ENTER/ ► ↓↓ESC/ ▼ Current-inform Current-inform Run-inform 2006/11/22 11:44 Fault-record State Total-inform Start/Stop...
  • Page 17 Table6-4. Non-electrical real time data ( Total-inform ) Data name explanation Unit Temp Temperature within the enclosure ℃ T-today The Operation time of today T-total Total hours of Operation time CO2-total Reduced CO2 weight 2006/11/22 11:44 The current date/time “Fault-record” menu Fault occurred Fault type and Fault record...
  • Page 18 Start process through LC D ↓↓ENTER/ ► Start Are you sure Stop to set it？ ↓↓ESC/ ▼ ↓↓ENTER/ ► E-today 000.0KWH E-today 000.0KWH P-ac 0000W P-ac 0000W 2006/11/22 11:44 2006/11/22 11:44 State Stop State State changed after “start＂ operation Explanation: This command is needed to restart the system after a LC D stop operation by user.
  • Page 19 Explanation: This command is helpful when users want to stop the operation of the inverter. The state shown in the default display menu will change after stop operation. The general parameters selecting menu Select number by ↓ENTER/ ► Change value by ↓ESC/ ▼...
  • Page 20 The specific parameters selecting m enu Language ↓↓ENTER/ ► Time Sys-param Firmware Run-param ↓ESC/ ▼ Power-adj ↓↓ESC/ ▼ Load-default Specific parameters selecting menu Explanation adjustable parameters “Sys-param” includes display language -Language 、 display time -Time 、 generated energy display value-Power-adj and load default task-load default .The firmware version will only be helpful for the maintenance personnel and useless to users.
  • Page 21 The display time adjustment menu Select number by ↓ENTER/ ► Change number by ↓ESC/ ▼ ↓↓ENTER/ ► Data: 00/00/00 Language Data: 06/12/22 Time: 00:00:00 Time Time: 14:20:20 ↓↓ESC/ ▼ ↓↓ESC/ ▼ ↓↓ENTER/ ► Display time has changed after setting ↓↓ENTER/ ►...
  • Page 22 Explanation: This generated power adjustment screen is useful in case the total -power displayed by LC D has difference with reading value from the external power measuring device (like an electrical meter). The adjustable range is from -999-+999 kWh. The load default menu ►...
  • Page 23 The protection parameters adjustment menu Select number by ↓ENTER/ ► Change value by ▼ ↓ESC/ Vgrid-max 000V ↓↓ENTER/ ► Vgrid-min 000V Pro-param Com-param Fgrid-max 00.0Hz ↓↓ESC/ ▼ Fgrid-min 00.0Hz Explanation Users can set the maximum allowable grid voltage 、 the minimum allowable grid voltage；...

  • Page 24: Installation

    Do not remove the unit from packaging. 7.2 Basic Installation Requiremen ts The IP level of JSI-G1.5K is IP41, so it can only be installed indoors. A list of these requirements is shown be low : It is advised not to install the inverter in living quarters, since the inverter may produce some operating noise (<...

  • Page 25: Mechanical Mounting

    This work is only permissible if the AC and DC power supplies are safely disconnected from the JSI-G1.5K . WARNING! Before any maintenance, always wait for approx.10 minutes so that the capacitors in the JSI-G1.5K can discharge. Only then may the cover be opened.

  • Page 26: Device Dimensions And Weight

    7.2.2 Device Dimensions and Weight The external dimensions and weight of the JSI-G1.5K is in fig 410mm 288mm 126mm 10.3KG Fig.10 Dimensions and weight of JSI-G1.5K NOTICE! The ambient temperature should be within -20°C and +40°C. Caution! Some parts of the JSI-G1.5K can reach temperature of over 80°C.

  • Page 27: Mounting Requirements

    7.2.3 Mounting Requiremen ts Mounting Place The JSI-G1.5K has a relatively high weight of 10.3kg.Please keep this in mind when selecting the place where and how to mount the JSI-G1.5K. NOTICE! The ambient temperature should be within-20°C and +40°C.The JSI-G1.5K should be installed in a place where it is not exposed to direct sunlight.

  • Page 28: Electrical Connection

    7.3 Electrical Connection 7.3.1 Electrical Connection Requirements Grid 230V AC The JSI-G1.5K is designed for 230V grid (single phase).The voltage should be within 180V to 260V and the frequency should be the frequency should be 47-51.5/57-61.5Hz. Grid Voltage Range: 180V-260V Grid Frequency Range: 47-51.5/57-61.5Hz...

  • Page 29: Wires Connection

    7.3.2 Wires connection The complete wiring for a JSI-G1.5K is shown schematically in the Fig.11. Op tional wiring AC OUTP AC OUTP UT RS485/RS232 RS485 converter RS 485 A RS 485B Utility Grid GROUND PV array Fig. 11 Simplified electrical connection diagram...
  • Page 30 “DC＋ ” wire to the PV array ＋ . “DC－ ” wire to the PV array － . JSI-G1.5K Connect the wires of the AC cable as follows : JSI-G1.5K’s “L” wire to the grid”L”. JSI-G1.5K’s “N” wire to the grid”N”. JSI-G1.5K “GND” wire to the ground. Caution!

  • Page 31: Communication Installation

    7.4 Communication Installation Fig.13 shows the communication installation of the JSI-G1.5K with the PC by RS485 serial communication port . RS485A TX+/RX+ 5 4 3 9 8 7 6 RS485B TX-/RX- RS485/232 Converter JSI-G1.5K PC RS232 Port Fig.13 Communication network...

  • Page 32: Start And Close

    7.5 Start and close 7.5.1 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 will to check whether that voltage, impedance and frequency parameters are within operating range.

  • Page 33: Technical Data

    8 Technical Data 8.1 Electrical Specifications Input Data Max. PV Power 1800W Max. Input Current MPP Voltage Range 150-380V Maximum DC Voltage 450V Output Data Nominal AC output power 1500W AC Voltage Range 180 – 260 V AC AC Frequency Range 47-51.5/57-61.5Hz Power Factor >0.99 at nominal power...

  • Page 34: Features

    8.3 Features Cooling natural cooling Display Communication RS485/Ethernet(Optional)/GPRS(Optional) EN61000-6-2 EN61000-6-4 Safety EN 50178...

  • Page 35: Appendix

    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 information. However discrepancies cannot be excluded. No guarantee is made for the completeness of these documents. Please contact our company or distributors to get the latest version.

  • Page 36: Contact Us

    9.2 Contact Us If you have any questions about or technical problems with t he JSI-G1.5K , our hotline will be happy to assist you. Please keep the following data when contacting JALpower. Address： JALpower Corporation Ltd., 107 East Meda Ave. Glendora , CA 91741 , USA Tel: 1-626-963-2054 Email:sales@Jalpower.com...

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