Goodwe ET Series User Manual
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Goodwe ET Series User Manual

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User Manual
Hybrid Inverter
ET Series
15-30kW
V1.0-2022-8-30

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Summary of Contents for Goodwe ET Series

  • Page 1 User Manual Hybrid Inverter ET Series 15-30kW V1.0-2022-8-30...
  • Page 2 Copyright©GoodWe Technologies Co., Ltd. All rights reserved. No part of this manual can be reproduced or transmitted to the public platform in any form or by any means without the prior written authorization of GoodWe Technologies Co.,Ltd. Trademarks and other GOODWE trademarks are trademarks of GoodWe Technologies Co.,Ltd.

  • Page 3: Table Of Contents

    CONTENT User Manual V1.0-2022-08-30 CONTENT 1 About This Manual ���������������������������������������������������������������������������� 1 1.1 Applicable Model ........................1 1.2 Target Audience ........................1 1.3 Symbol Definition ........................2 1.4 Updates ............................2 2 Safety Precaution ����������������������������������������������������������������������������� 3 2.1 General Safety ..........................3 2.2 PV String Safety ........................3 2.3 Inverter Safety ..........................4 2.4 Battery Safety ...........................5 2.5 Personnel Requirements ......................5...
  • Page 4 CONTENT User Manual V1.0-2022-08-30 6.4 Connecting the DC Input Cable(PV) ..................31 6.5 Connecting the battery cable ....................33 6.6 Connecting the AC Cable ....................... 35 6.7 Communication Connection ....................36 6.7.1 Connecting the Communication Cable (Terminal Block) ..............38 6.7.2 Connecting the Communication Cable (RJ45 Connector) ..............

  • Page 5: About This Manual

    All the installers and users have to be familiar with the product features, functions, and safety precautions. This manual is subject to update without notice. For more product details and latest documents, visit https://en.goodwe.com. 1.1 Applicable Model...

  • Page 6: Symbol Definition

    01 About This Manual User Manual V1.0-2022-08-30 1.3 Symbol Definition Different levels of warning messages in this manual are defined as follows: DANGER Indicates a high-level hazard that, if not avoided, will result in death or serious injury. WARNING Indicates a medium-level hazard that, if not avoided, could result in death or serious injury. CAUTION Indicates a low-level hazard that, if not avoided, could result in minor or moderate injury.

  • Page 7: Safety Precaution

    • Strictly follow the installation, operation, and configuration instructions in this manual. The manufacturer shall not be liable for equipment damage or personal injury if you do not follow the instructions. For more warranty details, please visit https://en.goodwe.com/ warranty. 2.2 PV String Safety DANGER Connect the DC cables of the inverter to the included DC terminals.

  • Page 8: Inverter Safety

    02 Safety Precaution User Manual V1.0-2022-08-30 2.3 Inverter Safety WARNING • The voltage and frequency at the connecting point should meet the on-grid requirements. • Additional protective devices like circuit breakers or fuses are recommended on the AC side. Specification of the protective device should be at least 1.25 times the maximum AC output current.

  • Page 9: Battery Safety

    2.6 EU Declaration of Conformity GoodWe Technologies Co., Ltd. hereby declares that the inverter with wireless communication modules sold in the European market meets the requirements of the following directives: • Radio Equipment Directive 2014/53/EU (RED) •...

  • Page 10: Product Introduction

    • GW29.9K-ET • GW30K-ET Model description GW15K-ET Referring to Explanation Brand Code GW: GoodWe Rated Power 15K: the rated power is 15000W. Series Code ET: ET series three-phase hybrid inverter Supported Grid Types TN-S TN-C TN-C-S Inverter Inverter Inverter Inverter...

  • Page 11: Application Scenarios

    User Manual V1.0-2022-08-30 03 Product Introduction 3.2 Application Scenarios WARNING • The PV system is not suitable to connect equipment that relies on a stable power supply, such as medical equipment to sustain life. Ensure that no personal injury is occurred when the system is disconnected.
  • Page 12 03 Product Introduction User Manual V1.0-2022-08-30 Self consumption mode PV string & rapid shutdown Meter module ON-GRID Inverter AC circuit BACK-UP Utility meter Utility grid breaker Load breaker Battery breaker ON-GRID load Battery SPDT (Single Pole, Double Throw) switch BACK-UP load Power cable Signal cable Parts...
  • Page 13 User Manual V1.0-2022-08-30 03 Product Introduction Parallel System Mode Hybrid PV string & rapid inverter shutdown module Utility grid Transformer Battery Hybrid PV string & rapid inverter shutdown module Battery Smart energy controller Hybrid PV string & rapid inverter shutdown module Battery Parts Description...

  • Page 14: Working Mode

    03 Product Introduction User Manual V1.0-2022-08-30 3.3 Working Mode 3.3.1 System Working Mode Economic mode NOTICE • Select Economic mode only when it meets the local laws and regulations, e.g., whether the grid is allowed to charge the battery. If not, do not use this mode. •...
  • Page 15 User Manual V1.0-2022-08-30 03 Product Introduction Self consumption mode NOTICE • For solar power, consider self consumption mode in priority: the excess power charges the battery in day time; the battery supplies power to the load when there is no solar power generated at night.
  • Page 16 03 Product Introduction User Manual V1.0-2022-08-30...
  • Page 17 User Manual V1.0-2022-08-30 03 Product Introduction Back-up mode NOTICE • The back-up mode is mainly applied to the scenario where the grid is unstable and there is an important load. When the grid is disconnected, the inverter turns to off-grid mode to supply power to the load;...
  • Page 18 03 Product Introduction User Manual V1.0-2022-08-30 Peak Shaving mode NOTICE Peak shaving mode is mainly applicable to industrial and commercial scenarios. When the total power consumption of the loads exceeds the peak shaving limit, the battery discharges to reduce the power consumption exceeds the peak shaving limit. Power Peak Shaving Peak Shaving...

  • Page 19: Inverter Operation Mode

    User Manual V1.0-2022-08-30 03 Product Introduction 3.3.2 Inverter Operation Mode Waiting mode Off-grid mode Self-check mode Fault mode Grid-Tied mode Parts Description Waiting Waiting stage after the inverter is powered on. mode • When the conditions are met, it enters the self-check mode. •...

  • Page 20: Features

    03 Product Introduction User Manual V1.0-2022-08-30 3.4 Features Power derating For a safe operation, the inverter will automatically reduce the output power when the operating environment is not ideal. The following are the factors that may occur power derating. Please try to avoid them during usage.
  • Page 21 User Manual V1.0-2022-08-30 03 Product Introduction Earth Fault Alarm Reserved port for earth fault alarm. Once an earth fault occurs, the LED indicator will light up. And the system will email the fault information to the customer. Install the inverter in a high traffic area where the indicators would be noticed.

  • Page 22: Appearance

    03 Product Introduction User Manual V1.0-2022-08-30 3.5 Appearance 3.5.1 Parts 4 5 6 PV input terminal DC switch lock hole DC switch (PV+/-) Communication METER communication Communication port module port (COM) port (COM2) Battery input terminal AC output terminal BMS communication port (BAT+/-) (On-Grid and Back-Up) Indicators...

  • Page 23: Indicators

    User Manual V1.0-2022-08-30 03 Product Introduction 3.5.3 Indicators Indicator Status Description The inverter is power on and in the standby mode. The inverter is starting up and in the self-check mode. The inverter is in normal operation under grid- tied or off-grid modes. BACK-UP output overload.

  • Page 24: Nameplate

    Safety symbols and certification marks Contact information and serial number Good We Tec hno lo gi es Co., Ltd. E-ma il :s ervi ce @goodwe .c om No.90 Ziji n Rd., New Dis tric t, S uz hou , 2150 11, Chin a...

  • Page 25: Check And Storage

    User Manual V1.0-2022-08-30 04 Check and Storage 4 Check and Storage 4.1 Check Before Receiving Check the following items before receiving the product. 1. Check the outer packing box for damage, such as holes, cracks, deformation, and other signs of equipment damage. Do not unpack the package and contact the supplier as soon as possible if any damage is found.

  • Page 26: Storage

    04 Check and Storage User Manual V1.0-2022-08-30 Inverter *1 Mounting plate *1 PV connector *N PV tool *1 Battery tool *1 Battery connector *N 7PIN terminal *1 6PIN terminal *1 3PIN terminal *1 Screws *3 L1 L2 Insulation board Expansion OT terminal *12 AC cover *1 PE terminal *1...

  • Page 27: Installation

    User Manual V1.0-2022-08-30 05 Installation 5 Installation 5.1 Installation Requirements Installation Environment Requirements 1. Do not install the equipment in a place near flammable, explosive, or corrosive materials. 2. Do not install the equipment in a place that is easy to touch, especially within children’s reach. High temperature exists when the equipment is working.
  • Page 28 05 Installation User Manual V1.0-2022-08-30 IP66 ALT: 4000m 0%~95%RH Mounting Support Requirements • The mounting support shall be nonflammable and fireproof. • Install the equipment on a surface that is solid enough to bear the inverter weight. • Do not install the product on the support with poor sound insulation to avoid the noise generated by the working product, which may annoy the residents nearby.
  • Page 29 User Manual V1.0-2022-08-30 05 Installation Installation Tool Requirements The following tools are recommended when installing the equipment. Use other auxiliary tools on site if necessary. RJ45 crimping Goggles Safety shoes Safety gloves Dust mask tool Diagonal pliers Wire stripper Hammer drill Heat gun Vacuum cleaner M3/M5...

  • Page 30: Inverter Installation

    05 Installation User Manual V1.0-2022-08-30 5.2 Inverter Installation 5.2.1 Moving the Inverter CAUTION • Operations such as transportation, turnover, installation and so on must meet the requirements of the laws and regulations of the country or region where it is located. •...
  • Page 31 User Manual V1.0-2022-08-30 05 Installation D: 80mm Φ: 10mm With handles Only for Australia. Without handles 1.2~2N·m Only for Australia.

  • Page 32: Electrical Connection

    06 Electrical Connection User Manual V1.0-2022-08-30 6 Electrical Connection 6.1 System Wiring Diagram NOTICE • N and PE wiring via ON-GRID and BACK-UP ports of the inverter are different based on the regulation requirements of different regions. Refer to the specific requirements of local regulations.
  • Page 33 User Manual V1.0-2022-08-30 06 Electrical Connection N and PE cables are separately wired in the Main Panel. NOTICE • Ensure that the grounding of BACK-UP is correctly and tightened. Otherwise, the BACK-UP • function may be abnormal in case of grid failure. •...

  • Page 34: Safety Precaution

    06 Electrical Connection User Manual V1.0-2022-08-30 6.2 Safety Precaution DANGER • Perform electrical connections in compliance with local laws and regulations. Including operations, cables, and component specifications. • Disconnect the DC switch and the AC output switch of the inverter to power off the inverter before any electrical connections.

  • Page 35: Connecting The Dc Input Cable(Pv)

    User Manual V1.0-2022-08-30 06 Electrical Connection L=L1+(1-2)mm L1 Copper, 4mm ≤S≤6mm 1.2~2N·m 6.4 Connecting the DC Input Cable(PV) DANGER • Do not connect one PV string to more than one inverter at the same time. Otherwise, it may cause damage to the inverter. •...
  • Page 36 06 Electrical Connection User Manual V1.0-2022-08-30 7-8mm Φ: 4-5mm 7-8mm ≤S≤6mm Click Click ≤1000V...

  • Page 37: Connecting The Battery Cable

    User Manual V1.0-2022-08-30 06 Electrical Connection 6.5 Connecting the battery cable DANGER • The battery used with the inverter shall be approved by the inverter manufacturer. The approved battery list can be obtained through the official website. • A short circuit in the battery may cause personal injury. The instantaneous high current caused by a short circuit can release a large amount of energy and may cause a fire.
  • Page 38 06 Electrical Connection User Manual V1.0-2022-08-30 7-8mm Φ: 5.5-8mm 7-8mm 10mm Click Click...

  • Page 39: Connecting The Ac Cable

    User Manual V1.0-2022-08-30 06 Electrical Connection 6.6 Connecting the AC Cable WARNING Do not connect loads between the inverter and the AC switch directly connected to the inverter. The residual current monitoring unit (RCMU) is integrated into the inverter to avoid the residual current exceeds the limit.

  • Page 40: Communication Connection

    06 Electrical Connection User Manual V1.0-2022-08-30 11-13mm 70-80mm Φ: 21-26mm Copper,10mm ≤S≤16mm 2-3N·m 3-4N·m 6.7 Communication Connection NOTICE • Make sure that the communication device is connected to the right COM port. Route the communication cable far away from any interference source or power cable to prevent the signal from being influenced.
  • Page 41 User Manual V1.0-2022-08-30 06 Electrical Connection Port Definition Function Description REY_OUT2- The inverter reserves a dry contact controlling Dry contact port, which supports connecting additional contactors to enable/disable the load. REY_OUT2+ Power supply Supplies power for external devices. 12V_S Controls the RSD Optional.

  • Page 42: Connecting The Communication Cable (Terminal Block)

    06 Electrical Connection User Manual V1.0-2022-08-30 6.7.1 Connecting the Communication Cable (Terminal Block) 6-8mm 25mm Φ: 6mm Dry contact DRED/RCR: 1: REY_OUT2- 11: COM/DRM0 2: NC 12: REFGEN 3: REY_OUT2+ 13: DRM 4/8 9: REY_OUT3- 14: DRM 3/7 10: REY_OUT3+ 15: DRM 2/6 16: DRM 1/5 Power supply...

  • Page 43: Connecting The Communication Cable (Rj45 Connector)

    User Manual V1.0-2022-08-30 06 Electrical Connection 6.7.2 Connecting the Communication Cable (RJ45 Connector) NOTICE RJ45 connector with the following definition can be connected: Color EMS/PAR Orange and White 485A3 Orange 485B3 Green and White Blue Blue and White CAN_L Green CAN_H Brown and White SYN_BUS1...

  • Page 44: Connecting The Bms Or Meter Communication Cable

    06 Electrical Connection User Manual V1.0-2022-08-30 6.7.3 Connecting the BMS or Meter Communication Cable WARNING For GW15K-ET and GW20K-ET, please connect the cable to BMS1 port to realize BMS communication. Otherwise, BMS communication may fail. NOTICE • The smart meter and CT have been preset parameters before delivered with the inverter. Do not modify the relevant parameters.
  • Page 45 User Manual V1.0-2022-08-30 06 Electrical Connection Power Limit Network NOTICE Power limit can be realized when the inverter is installed with the Meter. The specific networking schemes are: • Single inverter scenario RS485 Inverter Utility grid GM3000 smart meter Loads •...

  • Page 46: Installing The Communication Module (Optional)

    • Refer to the delivered communication module user manual to get more introduction to the module. For more detailed information, visit www.goodwe.com. • Bluetooth Kit module: Standard. WiFi kit, LAN kit, 4G kit module: optional.

  • Page 47: Equipment Commissioning

    User Manual V1.0-2022-08-30 07 Equipment Commissioning 7 Equipment Commissioning 7.1 Check Before Power ON Check Item The product is firmly installed at a clean place that is well-ventilated and easy-to operate. The PE, DC input, AC output, and communication cables are connected correctly and securely.

  • Page 48: System Commissioning

    08 System Commissioning User Manual V1.0-2022-08-30 8 System Commissioning 8.1 Indicators and Buttons Indicator Status Description The inverter is power on and in the standby mode. The inverter is starting up and in the self-check mode. The inverter is in normal operation under grid- tied or off-grid modes.

  • Page 49: Setting Inverter Parameters Via Pv Master App

    2. Set grid parameters, communication parameters, safety countries, power limitation, etc. 3. Equipment maintenance. 4. Upgrade software version. For more details, refer to PV Master User Manual. Scan the QR code or visit https://en.goodwe. com/Ftp/EN/Downloads/User%20Manual/GW_PV%20Master_User%20Manual-EN.pdf to get the user manual.

  • Page 50: Maintenance

    09 Maintenance User Manual V1.0-2022-08-30 9 Maintenance 9.1 Power OFF the Inverter DANGER • Power off the inverter before operations and maintenance. Otherwise, the inverter may be damaged or electric shocks may occur. • Delayed discharge. Wait until the components are discharged after power off. Step 1: Turn off the AC breaker on the ON-GRID side of the inverter.

  • Page 51: Troubleshooting

    User Manual V1.0-2022-08-30 09 Maintenance 9.4 Troubleshooting Perform troubleshooting according to the following methods. Contact the after-sales service if these methods do not work. Collect the information below before contacting the after-sales service, so that the problems can be solved quickly. 1.
  • Page 52 09 Maintenance User Manual V1.0-2022-08-30 Fault Cause Solutions 1. If the problem occurs occasionally, the utility grid may be abnormal temporarily. The inverter will recover automatically after detecting that the utility grid is normal. 2. If the problem occurs frequently, check whether the grid voltage is within the The grid voltage is allowed range.
  • Page 53 User Manual V1.0-2022-08-30 09 Maintenance Fault Cause Solutions 1. If the problem occurs occasionally, the utility grid may be abnormal temporarily. The inverter will recover automatically after detecting that the utility grid is normal. 2. If the problem occurs frequently, check The moving whether the grid voltage is within the average of grid...
  • Page 54 09 Maintenance User Manual V1.0-2022-08-30 Fault Cause Solutions 1. If the problem occurs occasionally, the utility grid may be abnormal temporarily. The inverter will recover automatically after detecting that the utility grid is normal. 2. If the problem occurs frequently, check Utility grid whether the grid frequency is within the exception.
  • Page 55 User Manual V1.0-2022-08-30 09 Maintenance Fault Cause Solutions Utility grid exception. The duration of 1. If the problem occurs occasionally, the LVRT the utility grid utility grid may be abnormal temporarily. Undervoltage exception exceeds The inverter will recover automatically after the set time of detecting that the utility grid is normal.
  • Page 56 09 Maintenance User Manual V1.0-2022-08-30 Fault Cause Solutions 1. The PE cable of the inverter is not connected well. 1. Check whether the PE cable of the inverter 2. The L cable is connected properly. Abnormal and N cable 2. Check whether the L cable and N cable Ground are connected are connected reversely if output of the PV...
  • Page 57 User Manual V1.0-2022-08-30 09 Maintenance Fault Cause Solutions 1. The relay is abnormal or short-circuited. 2. The control circuit is Disconnect the AC output switch and DC input Relay Check abnormal. switch, then connect them 5 minutes later. abnormal 3. The AC cable Contact the dealer or the after-sales service if connection the problem persists.
  • Page 58 09 Maintenance User Manual V1.0-2022-08-30 Fault Cause Solutions 1. The PV voltage is too high. Disconnect the AC output switch and DC input 2. The sampling switch, then connect them 5 minutes later. BUS Overvoltage of the inverter Contact the dealer or the after-sales service if BUS voltage is the problem persists.

  • Page 59: Routine Maintenance

    User Manual V1.0-2022-08-30 09 Maintenance 9.5 Routine Maintenance WARNING • Make sure that the inverter is powered off. • Wear proper PPE before any operations. Maintaining Item Maintaining Method Maintaining Period Check the heat sink, air intake, and air System Clean Once 6-12 months outlet for foreign matter or dust.

  • Page 60: Technical Parameters

    10 Technical Parameters User Manual V1.0-2022-08-30 10 Technical Parameters GW29.9K- GW30K- Technical Data GW15K-ET GW20K-ET GW25K-ET Battery Input Data Battery Type Li-Ion Nominal Battery Voltage (V) Battery voltage range (V) 200~800 Max. Continuous Charging 50×2 Current (A) Max. Continuous Discharging 50×2 Current (A) Max Charge Power (W)
  • Page 61 User Manual V1.0-2022-08-30 10 Technical Parameters Nominal Apparent Power 15,000 20,000 25,000 30,000 30,000 from Utility Grid(VA) Max. Apparent Power from 22,500 30,000 33,000 33,000 33,000 Utility Grid (VA) Nominal Output Voltage (V) 380/400, 3L/N/PE Output Voltage Range (V) 0~300 Nominal AC Grid Frequency 50/60 (Hz)
  • Page 62 10 Technical Parameters User Manual V1.0-2022-08-30 Max. Output Fault Current (Peak and Duration) (A) Inrush Current (Peak and 264@53us Duration) (A) Maximum Output Overcurrent Protection (A) Nominal Output Voltage (V) 380/400 Nominal Output Frequency 50/60 (Hz) Output THDv (@Linear Load) <3% Efficiency Max.
  • Page 63 User Manual V1.0-2022-08-30 10 Technical Parameters Remote Shutdown Integrated General Data Operating Temperature -35~+60 Range (℃) Relative Humidity 0~95% Max. Operating Altitude (m) 4000 Cooling Method Smart Fan Cooling Display LED, WLAN+APP Communication with BMS RS485 / CAN Communication with Meter RS485 WiFi / 4G Communication with Portal...
  • Page 64 10 Technical Parameters User Manual V1.0-2022-08-30 Type of Electrical Supply Three phase Grid System Country of Manufacture China Certification Grid Standards VDE-AR-N 4105,EN50549-1 Safety Regulation IEC62619-1/-2 EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4 *1: Max. Input Power, not continuous for 1.5*normal power. *2: For 1000V system, Maximum operating voltage is 950V. *3: According to the local grid regulation.
  • Page 65 Official Website GoodWe Technologies Co., Ltd. No. 90 Zijin Rd., New District, Suzhou, 215011, China www.goodwe.com service@goodwe.com Local Contacts...

This manual is also suitable for:

Gw15k-etGw20k-etGw25k-etGw29.9k-etGw30k-et

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