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Goodwe HT Series User Manual

Grid-tied pv inverter
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User Manual
Grid-Tied PV Inverter
HT Series
(225-250kW)
V1.1-2023-12-14

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Summary of Contents for Goodwe HT Series

  • Page 1 User Manual Grid-Tied PV Inverter HT Series (225-250kW) V1.1-2023-12-14...
  • Page 2 GoodWe Technologies Co., Ltd. Trademarks and other GoodWe trademarks are trademarks of GoodWe Company. All other trademarks or registered trademarks mentioned in this manual are owned by GoodWe Technologies Co., Ltd. Notice The information in this user manual is subject to change due to product updates or other reasons.

  • Page 3: Table Of Contents

    Content User Manual V1.1-2023-12-14 CONTENT 1 About This Manual ............1 1.1 Applicable Model ..................1 1.2 Target Audience ..................1 1.3 Symbol Definition ..................1 2 Safety Precaution ............2 2.1 General Safety ................... 2 2.2 DC Side ....................... 2 2.3 AC Side ....................... 3 2.4 Inverter Installation ...................
  • Page 4 User Manual V1.1-2023-12-14 Content 6 Electrical Connection ............ 20 6.1 Safety Precautions .................. 20 6.2 Connecting the PE Cable ................ 23 6.3 Connecting the PV Input Cable ............... 24 6.4 Connecting the AC Output Cable ............27 6.5 Communication ..................29 6.5.1 Connecting the Communication Cable ............29 6.5.2 Installing the Communication Module ............33 7 Equipment Commissioning ...........

  • 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 www.goodwe.com. 1.1 Applicable Model...

  • Page 6: 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, visit https://en.goodwe.com/warranty. asp. 2.2 DC Side DANGER Connect the DC cables using the delivered DC connectors and terminals.

  • Page 7: Ac Side

    User Manual V1.1-2023-12-14 02 Safety Precaution 2.3 AC Side WARNING • The voltage and frequency at the connecting point should meet the on-grid requirements. • An additional protective device like the circuit breaker or fuse is recommended on the AC side.

  • Page 8: Product Introduction

    Circuit Transformer Utility Power Breaker Grid Distribution Inverter Cabinet PV String 3.2 Supported Grid Types The grid structures supported by HT series GW250K-HT, GW250KN-HT, GW225K-HT and GW225KN-HT are IT, as shown in the figure below: Transformer Inverter...

  • Page 9: Circuit Diagram

    User Manual V1.1-2023-12-14 03 Product Introduction 3.3 Circuit Diagram The circuit diagram of GW250K-HT , and GW225K-HT are as follows.
  • Page 10 03 Product Introduction User Manual V1.1-2023-12-14 The circuit diagram of GW225KN-HT, and GW250KN-HT are as follows.

  • Page 11: Appearance

    User Manual V1.1-2023-12-14 03 Product Introduction 3.4 Appearance 3.4.1 Parts GW250K-HT , and GW225K-HT GW225KN-HT, and GW250KN-HT...
  • Page 12 03 Product Introduction User Manual V1.1-2023-12-14 Parts Description Control PV input terminal 1-3, to connect or DC Switch 1-3 disconnect the PV string. PV Input Terminal 1-3 Used to connect the PV strings. (Controlled by DC Switch 1-3) PV Input Terminal 7-9 Used to connect the PV strings.

  • Page 13: Dimensions

    User Manual V1.1-2023-12-14 03 Product Introduction Parts Description Ventilation valve External Fan Used to cool the inverter. Indicator Indicates working state of the inverter. Optional. Used to check the parameters of the LCD (optional) inverter. Optional. Used to control contents displayed on the Button (optional) screen.

  • Page 14: Indicators

    03 Product Introduction User Manual V1.1-2023-12-14 3.4.3 Indicators Indicator Status Description ON = EQUIPMENT POWER ON OFF = EQUIPMENT POWER OFF ON = THE INVERTER IS FEEDING POWER OFF = THE INVERTER IS NOT FEEDING POWER SINGLE SLOW FLASH = SELF CHECK BEFORE CONNECTING TO THE GRID SINGLE FLASH = CONNECTING TO THE GRID ON = WIRELESS IS CONNECTED/ACTIVE...

  • Page 15: Nameplate

    User Manual V1.1-2023-12-14 03 Product Introduction 3.4.4 Nameplate The nameplate is for reference only. Goodwe trademark, product type, and product model Technical parameters Safety symbols and certification marks Contact information and serial number...

  • Page 16: Check And Storage

    04 Check and Storage User Manual V1.1-2023-12-14 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 others signs of equipment damage. Do not unpack the package and contact the supplier as soon as possible if any damage is found.

  • Page 17: Storage

    User Manual V1.1-2023-12-14 04 Check and Storage 4.3 Storage If the equipment is not to be installed or used immediately, please ensure that the storage environment meets the following requirements: 1. Do not unpack the outer package or throw the desiccant away. 2.

  • Page 18: Installation

    05 Installation User Manual V1.1-2023-12-14 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. Install the equipment on a surface that is solid enough to bear the inverter weight. 3.
  • Page 19 User Manual V1.1-2023-12-14 05 Installation Children No Touch ALT:5000mm IP66 0%~100%RH Installation Angle Requirements • Install the inverter vertically or at a minimum back tilt of 10 degrees. • Do not install the inverter upside down, forward tilt, back forward tilt, or horizontally.
  • Page 20 05 Installation User Manual V1.1-2023-12-14 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 DC terminal Diagonal pliers Wire stripper Hammer drill Heat gun crimping tool...

  • Page 21: Inverter Installation

    User Manual V1.1-2023-12-14 05 Installation 5.2 Inverter Installation 5.2.1 Moving the Inverter CAUTION Move the inverter to the site before installation. Follow the instructions below to avoid personal injury or equipment damage. 1. Consider the weight of the equipment before moving it. Assign enough personnel to move the equipment to avoid personal injury.
  • Page 22 05 Installation User Manual V1.1-2023-12-14 Mounting on the plate NOTICE • Contact the dealer or the after sales center to purchase the handle if it is needed. • The hoist ring should be prepared by customers. Lifting the Inverter 2~3N·m...
  • Page 23 User Manual V1.1-2023-12-14 05 Installation Hoisting the Inverter 2~3N·m...

  • Page 24: Electrical Connection

    06 Electrical Connection User Manual V1.1-2023-12-14 6 Electrical Connection 6.1 Safety Precautions DANGER • Disconnect the DC switch and the AC output switch of the inverter to power off the equipment before any electrical connections. Do not work with power on. Otherwise, an electric shock may occur.
  • Page 25 User Manual V1.1-2023-12-14 06 Electrical Connection Cable Type Cable Specification Cross sectional area S ≥ S/2. S is the cross PE cable Outdoors Cable sectional area of the output phase wire. PV standard cable that • Conductor cross-sectional area: 4~6mm DC cable meets 1500V standard.
  • Page 26 06 Electrical Connection User Manual V1.1-2023-12-14 Dimensions of the AC OT terminals after crimping: ≤160mm ≤36mm ≤38mm ≤40mm ≤20mm Dimensions of the rubber wall: 112mm...

  • Page 27: Connecting The Pe Cable

    User Manual V1.1-2023-12-14 06 Electrical Connection 6.2 Connecting the PE Cable WARNING • The ground point on the enclosure is preferred to connect to the PE cable for the inverter. • Make sure that all the grounding points on the enclosures are equipotential connected when there are multiple inverters.

  • Page 28: Connecting The Pv Input Cable

    06 Electrical Connection User Manual V1.1-2023-12-14 6.3 Connecting the PV Input Cable DANGER Confirm the following information before connecting the PV string to the inverter. Otherwise, the inverter may be damaged permanently or even cause fire and cause personal and property losses.
  • Page 29 User Manual V1.1-2023-12-14 06 Electrical Connection MC4 DC Connector 7~8mm KST4-Evo2/6I-UR: 4.7mm≤Φ≤6.4mm KST4-Evo2/6II-UR: 6.4mm≤Φ≤8.4mm 7~8mm Use a multimeter to measure the DC voltage and check the polarity of the connectors. Click ≤1500V...
  • Page 30 06 Electrical Connection User Manual V1.1-2023-12-14 Devalan DC Connector 7~8mm 7~8mm Use a multimeter to measure the DC voltage and check the polarity of the connectors. Click ≤1500V...

  • Page 31: Connecting The Ac Output Cable

    User Manual V1.1-2023-12-14 06 Electrical Connection 6.4 Connecting the AC Output Cable WARNING Do not connect loads between the inverter and the AC switch directly connected to it. Select and Install RCD depending on local laws and regulations.Type A RCDs (Residual Current Monitoring Device) can be connected to the outside of the inverter for protection when the DC component of the leakage current exceeds the limit value.
  • Page 32 06 Electrical Connection User Manual V1.1-2023-12-14 Multi-core cable: Single-core cable: 34-36mm 22-24mm 22-28mm 11-14mm 52-54mm 44-46mm 32-35mm 62-64mm 58-60mm 67mm NOTICE • Make sure that the cables are connected correctly and firmly after connections. Clean all the debris in the maintenance compartment. •...

  • Page 33: Communication

    3: RS485 A or the RS485 port on the data logger. 4: RS485 B You can refer to SCB3000 User Manual. Visit RS485 COM2 5: PE, shield https://en.goodwe.com/Ftp/EN/Downloads/ layer grounding User%20Manual/GW_SCB3000_User%20 6: PE, shield Manual-EN.pdf to get the user manual. layer grounding...
  • Page 34 06 Electrical Connection User Manual V1.1-2023-12-14 NOTICE Connect the RS485 cable using a 6PIN communication terminal as follows. COM2 COM3 (RS485) (Reserved) RS485-A RS485-B RS485-A RS485-B PE, shield layer grounding 6.5mm 25mm Sheilding layer 0.3~0.4N·m...
  • Page 35 User Manual V1.1-2023-12-14 06 Electrical Connection Remote Shutdown and Emergency Power Off networking scenario Remote Shutdown: For Europe only. Emergency Power Off: For India only. Inverter N Inverter 2 Inverter 1 Control room 1 ≤ N ≤ 20 Remote Shutdown or Remote Shutdown or Remote Shutdown or Emergency Power Off...
  • Page 36 06 Electrical Connection User Manual V1.1-2023-12-14 6.5mm 25mm Function DI_SHUT0FF1_A DI_SHUTOFF1_B Reserved Reserved DI_SHUTOFF2_A DI_SHUTOFF2_B NOTICE The Remote Shutdown communication port is installed with a short circuit wire. Remove the short circuit wire and keep it properly when enabling the Remote Shutdown function.

  • Page 37: Installing The Communication Module

    Set inverter parameters, check running information and fault information, and observe system status in time via the smartphone or web pages. NOTICE Refer to the delivered communication module user manual to get more introduction to the module. For more detailed information, visit www.goodwe.com.

  • Page 38: Equipment Commissioning

    07 Equipment Commissioning User Manual V1.1-2023-12-14 7 Equipment Commissioning 7.1 Check Items Before Switching Power ON Check Item The inverter is firmly installed in a clean place where is well-ventilated and easy to operate. The PE cable, DC input cable, AC output cable, and communication cable are connected correctly and securely.

  • Page 39: System Commissioning

    User Manual V1.1-2023-12-14 08 System Commissioning 8 System Commissioning 8.1 Indicators and Button Model without LCD Model with LCD Indicator Status Description ON = EQUIPMENT POWER ON OFF = EQUIPMENT POWER OFF ON = THE INVERTER IS FEEDING POWER OFF = THE INVERTER IS NOT FEEDING POWER SINGLE SLOW FLASH = SELF CHECK BEFORE CONNECTING TO THE GRID SINGLE FLASH = CONNECTING TO THE GRID...

  • Page 40: Setting Inverter Parameters Via Lcd

    08 System Commissioning User Manual V1.1-2023-12-14 8.2 Setting Inverter Parameters via LCD NOTICE • The screen shots are for reference only. The actual display may differ. • The name, range, and default value of the parameters is subject to change or adjust. The actual display prevails.
  • Page 41 User Manual V1.1-2023-12-14 08 System Commissioning LCD Menu Introduction This part describes the menu structure, allowing you view inverter information and set parameters more conveniently. First level menu Second level menu Long press for 2s Grid-tie power generation 50Hz grid voltage Power = XXXXX watts Short press Long press for 2s...
  • Page 42 08 System Commissioning User Manual V1.1-2023-12-14 Long press Short press to select 0 ~ 1 Wait for 2s Set power limit Shadow mode OFF Shadow mode ON XXX% Power = XXXXX watts Power = XXXXX watts Long press for 2s Setting is completed Short press successfully...

  • Page 43: Setting Inverter Parameters Via App

    2. Set grid parameters and communication parameters of the inverter. 3. Maintain the equipment. For more details, refer to the SolarGo APP User Manual. Scan the QR code or visit https:// en.goodwe.com/Ftp/EN/Downloads/User%20Manual/GW_SolarGo_User%20Manual-EN.pdf get the user manual. SolarGo App SolarGo App User Manual 8.4 Monitoring via SEMS Portal...

  • Page 44: Maintenance

    09 Maintenance User Manual V1.1-2023-12-14 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 Issue a command to the inverter for halting the grid via SolarGo APP.

  • Page 45: Troubleshooting

    User Manual V1.1-2023-12-14 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 tha the problems can be solved quickly. 1.
  • Page 46 09 Maintenance User Manual V1.1-2023-12-14 Fault Cause Solutions 1. The relay is abnormal or short-circuited. 2. The control circuit is Disconnect the AC output switch and DC input abnormal. switch, then connect them 5 minutes later. Relay Fail 3. The AC cable Contact the dealer or the after-sales service if the connection problem persists.
  • Page 47 User Manual V1.1-2023-12-14 09 Maintenance Fault Cause Solutions The machine detects that the DC component of DCi High Please contact your dealer or after-sale service. the internal output current exceeds the normal range. 1. The PV system is short-circuited to the ground. 1.
  • Page 48 09 Maintenance User Manual V1.1-2023-12-14 Fault Cause Solutions 1. The inverter is installed in a 1. Check the ventilation and the ambient place with poor temperature at the installation point. ventilation. 2. If the ventilation is poor or the ambient Over 2.
  • Page 49 User Manual V1.1-2023-12-14 09 Maintenance Fault Cause Solutions 1. The relay is abnormal or Disconnect the AC output switch and DC input short-circuited. switch, then connect them 5 minutes later. Relay Fail 2. The control Contact the dealer or the after-sales service if the circuit is problem persists.
  • Page 50 09 Maintenance User Manual V1.1-2023-12-14 Fault Cause Solutions 1. Temporary abnormality is caused by Disconnect the AC output switch and DC input environmental switch, then connect them 5 minutes later. Model Error factors. Contact the dealer or the after-sales service if the 2.

  • Page 51: Routine Maintenance

    User Manual V1.1-2023-12-14 09 Maintenance 9.5 Routine Maintenance DANGER Power off the inverter before operations and maintenance. Otherwise, the inverter may be damaged or electric shocks may occur. 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 52: Technical Parameters

    10 Technical Parameters User Manual V1.1-2023-12-14 10 Technical Parameters Technical Data GW250K-HT GW225K-HT GW250KN-HT GW225KN-HT Input Max.Input Power (kW) Max.Input Voltage (V) 1500 1500 1500 1500 MPPT Operating Voltage Range 500~1500 500~1500 500~1500 500~1500 MPPT Voltage Range at 850~1300 850~1300 850~1300 850~1300 Nominal Power (V)
  • Page 53 User Manual V1.1-2023-12-14 10 Technical Parameters Technical Data GW250K-HT GW225K-HT GW250KN-HT GW225KN-HT Max. Output Current (A) 180.5 178.7 180.5 178.7 Nominal Output Current (A) 180.5 162.4 180.5 162.4 Power Factor ~1 (Adjustable from 0.8 leading to 0.8 lagging) Max. Total Harmonic Distortion <3% Maximum Output Overcurrent Protection (A)
  • Page 54 10 Technical Parameters User Manual V1.1-2023-12-14 Technical Data GW250K-HT GW225K-HT GW250KN-HT GW225KN-HT Power Supply at Night Integrated General Data Operating Temperature Range -30 ~ 60 (60 °C for outdoor unconditioned with solar effects.) (℃) Relative Humidity 0~100% Max. Operating Altitude (m) 5000 (>4000 derating) Cooling Method Smart Fan Cooling...
  • Page 55 User Manual V1.1-2023-12-14 10 Technical Parameters Overvoltage levels: Overvoltage I: Devices connected to the circuit which can limit instantaneous overvoltage to a relatively low level. Overvoltage II: Energy-consuming devices powered by fixed power distribution equipment, including appliances, portable tools, and other household and similar equipment. Overvoltage III is also applicable if there are special requirements for the reliability and applicability of the equipment.
  • Page 56 GoodWe 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:

Gw250k-htGw250kn-htGw225k-htGw225kn-ht

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