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Troubleshooting
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Summary of Contents for Hopewind HSHV Series
- Page 3 Version: V1.1 Thank you for purchasing products developed and manufactured by Shenzhen Hopewind Electric Co., Ltd. (hereinafter referred to as “Hopewind”). We sincerely hope that our products and this manual can meet your demands. Any suggestion for improvement shall be appreciated.
- Page 5 Ordinary potential danger. Failure to observe the rules may cause equipment damage or property loss. CAUTION Glossaries and Abbreviations Terms/Abbreviations Description Maximum Power Point Tracking MPPT PV string Multiple solar cell arrays in parallel or series EEPROM Electrically Erasable Programmable Read-Only Memory hopeCloud Hopewind remote intelligent O&M cloud service platform...
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Page 7: Table Of Contents
Contents 1 Safety Precautions· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 1.1 Transportation ·... -
Page 9: Safety Precautions
Safety Precautions This chapter describes the safety precautions to be observed during installation, operation and maintenance of inverter. Please carefully read them before any operation and follow them strictly, otherwise it may cause equipment damage or personal injury. When operating the inverter, please pay particular attention to the following items: DANGER Only qualified technicians can install, operate and maintain the inverter. -
Page 10: Storage
User Manual 1.2 Storage WARNING The storage environment should meet the corresponding requirements in 2.10 Ambient Requirements. Long-term storage: If the inverter has been in the no power supply state for over three weeks before or after installation and commissioning, it's regarded as in long-term storage. For long-term storage of the inverter, please pay attention ... -
Page 11: Operation
1 Safety Precautions 1.4 Operation DANGER Keep the door panel of the inverter closed during operation to avoid electric shock and other personal injuries and to protect the inverter from salt spray, moisture, dust or other conductive materials. Keep the inverter away from corrosives during operation. Do not place explosive and inflammable substances within two meters from the inverter. -
Page 13: Product Description
Product Description 2.1 Product Introduction HSHV series three-phase string on-grid inverter is independently developed by Hopewind, and its main function is to convert the DC power generated by PV strings into AC power and feed it into the power grid. -
Page 14: Working Mode
User Manual 2.1.2 Working Mode HSHV three-phase string inverter includes three working modes: standby mode, operating mode and shutdown mode. The switching conditions for the three modes are shown in Figure 2-2. Standby Mode Operating mode to standby mode: Standby mode to shutdown mode: Insufficient sunlight or DC switch Fault or shutdown command is is disconnected... -
Page 15: Supported Power Grid Types
2 Product Description Power grid AC cable DC cable Com cable Core exhanger Optical fiber ring network Intelligent Box-type Intelligent Box-type data collector transformer data collector transformer AC combiner AC combiner AC combiner AC combiner String inverter String inverter PV arrays PV arrays Figure 2-4 Networking design scheme of the utility-scale PV power plants Power grid... -
Page 16: Naming Rules
User Manual 2.3 Naming Rules –G01 HS HV 385K Product generation G01：Global first generation products D01：Domestic first generation products （D：domestic, G：global） Voltage level for grid connection Three-phase 1100V series: M-500Vac; Null- 400Vac; L-200Vac Single-phase series: Null Three-phase 1500V series: Null Three-phase 2000V series: Null Inverter rated output power 320K: 320kW 330K: 330kW 350K: 350kW 385K: 385kW... - Page 17 2 Product Description Note: 1.The information in the nameplate is for reference only. The actual product and technical agreement shall prevail. 2. Shenzhen Hopewind Technology Co., Ltd. is a wholly-owned subsidiary of Shenzhen Hopewind Electric Co., Ltd.
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Page 18: Inverter Configuration
User Manual 2.5 Inverter Configuration This section describes the appearance, relevant components and bottom interfaces of the inverter. CAUTION There are components on the board that are sensitive to static electricity. Anti-static measures must be taken before touching the board. When touching the board, please be careful to avoid scratching the electrical components. - Page 19 2 Product Description Label Component Name Handle Mounting plate Figure 2-9 Back view of the inverter Label Component Name DC Switch DC switch 1+ to 32+ PV+ terminals 4G/WIFI 4G/WiFi port RS485 RS485 port 1- to 32- PV- terminals AC OUTPUT AC output port Figure 2-10 Bottom view of the inverter (Interface description)
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Page 20: Labels On The Package
User Manual 2.6 Labels on the Package On the outer packaging of the product, there are some labels to guide the user to transport and store the product. The meanings of the labels are as follows: Handle with care. Avoid damage to the inverter caused by intense No stacking... -
Page 21: Technical Parameters
2 Product Description 2.8 Technical Parameters Model HSHV320K-G01 HSHV330K-G01 HSHV350K-G01 HSHV385K-G01 Max. input voltage 1500 V Starting voltage 550 V MPPT voltage range 500–1500 V MPPT range full load 860–1300 V Input parameters Rated input voltage 1080 V Max. input current per MPPT 60 A Max. -
Page 22: Mechanical Parameters
User Manual 2.9 Mechanical Parameters Dimension and Weight Model W*H*D (mm) Net weight (kg) HSHV320K-G01 HSHV330K-G01 ≤ 135 1100*868*418 HSHV350K-G01 HSHV385K-G01 Note: The dimension does not contain mounting lugs, handles, pads and so on. Dimension error: ± 10 mm. ... -
Page 23: Ambient Requirements
2 Product Description 2.10 Ambient Requirements Transportation environment Requirements Type of shipping Waterways, railways, highways, aviation, etc. Ambient temperature -40℃ to +70℃ ≤ 95% when the temperature is +40℃ Relative humidity The vibration should not exceed the following limits: 2 Hz ≤ f 9 Hz, displacement 7.5 mm;... -
Page 25: System Installation
The string inverter has been rigorously tested and inspected before ex-work, but accidental damage may occur during transportation, so please check the string inverter immediately after receiving it. If there is any damage or omissions, please contact Hopewind as soon as possible and our staff will serve you. -
Page 26: Installation Clearance Requirements
User Manual 3.4 Installation Clearance Requirements During installation, enough space must be reserved around the string inverter for heat dissipation and maintenance. ≥ 500 mm ≥ 500 mm Figure 3-1 Installation space of the string inverter Note: 1） If installed in a sandy site or grass, take protective measures to prevent debris from entering the inverter. 2）... -
Page 27: Installation Method
3 System Installation 3.5 Installation Method Please install and fix the mounting plate first and then hang and fix the inverter on the mounting plate. Choose bracket installation according to actual installation environment. WARNING Please refer to 1 Safety Precautions for installation precautions and 3.3 Installation Environment Requirements for installation environment requirements. -
Page 28: Electrical Connections
User Manual 3.6 Electrical Connections 3.6.1 Cable Requirements The cables should meet relevant national standards and can meet the load requirements. Power cables Select the cable specifications based on the electrical data of the inverter and such factors as environmental temperature, current and margin. -
Page 29: Torque Requirements
Performance rating spec Note: The performance rating for all the bolts with a nominal external thread diameter of 8 mm and above used by Hopewind’s string inverters is 8.8. 3.6.4 Preparation before Operation DANGER Please observe relevant requirements in 1 Safety Precautions and do not connect cables when the inverter is live. -
Page 30: Connecting Pe Cables
User Manual 3.6.5 Connecting PE Cables Connect the inverter to the ground bar by connecting the PE cable to the ground point. The ground point is labeled with a PE mark. The cross-sectional area of the PE cable (copper) shall not be less than 1/2 of that of the AC output cable, and the bolt specification is M6. - Page 31 3 System Installation the PV module is connected to that (PV+) of the inverter DC input terminal, and the negative pole is connected to that (PV-) of the inverter DC input terminal. Recommended DC Input Terminals Input number DC input terminal PV1,PV2 PV1,PV2,PV3 ……...
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Page 32: Connecting Ac Output Cables
User Manual Measure the DC voltage and check the polarities of the connectors. Figure 3-12 Check the polarities of the connectors Inserting MC4 Terminals Insert the positive and negative connectors into the positive and negative DC input terminals of the inverter respectively until you hear a “click”, indicating that the terminal is stuck in place. -
Page 33: Connecting Communication Cables
3 System Installation AC output cable connection Figure 3-8 3.6.8 Connecting Communication Cables Communication mode selection The inverter supports RS485 communication. Cable connection Connect the RS485 interfaces of inverters with the communication cables and check whether they are tightly connected. Then check if there is a gap at the connection point. If there is, seal the gap with fireproof mud. -
Page 35: Commissioning Guide
Commissioning Guide 4.1 Check before Power-On DANGER Before power-on, please read 1 Safety Precautions carefully and inspect the items listed in the table below. Use a multimeter or other instruments to detect the voltage between the metal parts in the inverter with the shell (protective ground) of the inverter. -
Page 36: System Power-On
User Manual 4.2 System Power-On After ensuring that the electrical connection is completed, power on the inverter. Step 1: Set the DC SWITCH of the inverter to the “ON” state. Step 2: Close the AC circuit breaker between the inverter and the power grid. If the system does not have any faults and all the startup requirements are met after all the above steps, the inverter will start automatically. -
Page 37: Maintenance And Troubleshooting
Maintenance and Troubleshooting 5.1 Maintenance Items and Cycles DANGER Before maintenance, please read 1 Safety Precautions carefully, and use a multimeter to detect the voltage between the metal parts that need to be or maybe touched and the grounding copper bars so as to avoid electric shock. -
Page 38: Troubleshooting
PV string polarity, and then switch on the DC switch. If it is due to other faults, contact Hopewind for solutions. Device damages caused by the forced switch-on will not be covered under any warranty. When the DC switch in the automatic disconnected state cannot be reset by manual rotation, you can switch it on using specialized rotating tools. - Page 39 The SPD is faulty or is in a SPD alarm Please contact Hopewind technical staff. wrong state. Boost-side open An open circuit occurs inside Please contact Hopewind technical staff. circuit alarm the boost.
- Page 40 1. Reset and check if the inverter works normally. B-phase hardware B-phase inductor current overcurrent triggers CBC protection. 2. If it appears frequently, please contact Hopewind technical staff. 1. Reset and check if the inverter works normally. C-phase hardware C-phase inductor current overcurrent triggers CBC protection.
- Page 41 Module A-phase inductor current exceeds the software overcurrent 2. If it appears frequently, please protection threshold. contact Hopewind technical staff. 1. Reset and check if the inverter The effective value of the works normally. Module B-phase inductor current exceeds the software overcurrent 2.
- Page 42 The bus voltage dip exceeds Bus short circuit the threshold. 2. If it appears frequently, please contact Hopewind technical staff. 1. Reset and check if the inverter works normally. The bus voltage exceeds the Bus overvoltage specified threshold.
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Page 43: Inverter Disposal
When the service life of the inverter expires or the inverter is replaced due to faults, please dispose it according to the local rules for electrical equipment waste disposal or hand over it to Hopewind customer service personnel. --End of the chapter--... - Page 45 Any accidental damage arising from users’ own dismantlement or maintenance When the client requires repair service for above mentioned faults, we will offer paid repair service upon Hopewind service agency’s approval. Please contact us in advance if repair or alteration service is needed. ...
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