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Preface Preface Thank you for purchasing products developed and manufactured by Hopewind. We hope our product and this manual can meet your demands. Please read this manual carefully before using the product to ensure personal safety and better user experience, and it shall be kept safe for future reference.
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Maximum power point tracking Maximum power point Photovoltaic 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 Change History Issue Date Change Content 2024-01-25 First publish...
Safety Precautions 1 Safety Precautions In this chapter, it describes the safety precautions that must be observed when installing, operating and maintaining the inverter. Please read them carefully before operation and follow them in operation process; otherwise it might cause damage to the inverter, the generator and related equipment or cause serious injury or loss of life.
Safety Precautions 1.2 Storage The storage environment of the string inverter must meet the corresponding requirements. Please refer to 2.10 Ambient Requirements. About long-term storage: Before or after the installation and commissioning, if the string inverter is in the no- power supply state for more than three weeks, it is regarded as long-term storage.
Safety Precautions debris from entering the inside of the string inverter. Conductive liquids and debris may cause internal short circuit of the string inverter, resulting in equipment damage. When connecting the wiring of the external cable to the string inverter, the ...
Safety Precautions 1.5 Maintenance Before maintenance work, you must first disconnect the AC output side circuit breaker, then disconnect the input switch DC Switch, and wait at least 5 minutes before operating the string inverter. During the maintenance process, try to avoid irrelevant personnel from ...
2.1 Product Introduction The HSNV series string inverter is three-phase string-type grid-connected inverter independently developed by Hopewind. Its main function is to convert the DC power generated by the PV string into AC power and feed it into the power grid.
Product Description 2.1.2 Working Mode The HSNV series three-phase string inverter has three working modes: standby mode, operating mode and shutdown mode. The switching conditions of the three modes are shown as follows. Standby Mode Operating mode to standby mode:...
Product Description 2.2 System Configuration and Networking Application 2.2.1 Networking Application Figure 2-4 shows the application of the string inverter, and Figure 2-5 shows the networking design scheme of the distributed PV power station. Photovoltaic panels String inverter AC power distribution unit Isolation transformer Grid Figure 2-4 Application schematic diagram of string inverter...
Figure 2-7 Naming rules 2.4 Nameplate The information in the nameplate is for reference only. The actual product and technical agreement shall prevail. Shenzhen Hopewind Technology Co., Ltd. is a wholly-owned subsidiary of Shenzhen Hopewind Electric Co., Ltd. Issue 1.0 (2024-01-25)
Product Description 2.5 Inverter Configuration This section describes the internal components, back components and bottom interfaces of the string inverter. HSNV60K-G01,HSNV70K-G01 and HSNV75K-G01 share same appearance, and there are 14 groups of PV terminals at the bottom (only 12 groups of terminals are used for HSNV60K-G01 and HSNV70K-G01, and the other two groups which are not used should be sealed).
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Product Description The LED indicators from left to right are described as follows: Table 2-1 LED Indicator Description Indicator light Meaning Status Description Blue light on PV side and grid connected normally Grid connected normally while PV side Blue light fast blinking connected abnormally PV and grid...
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Product Description Label Device name Handle Mounting plate Figure 2-9 Back view of the inverter Label Device name DC SWITCH DC switch 1- to 12(14)- PV- terminal WiFi WiFi port RS485-2 Zero export and EPO/NS port 1+ to 12(14)+ PV+ terminal RS485-1 RS485 communication port AC OUTPUT...
Product Description 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 indicated by the logo are as follows: Handle with care. Avoid damage to the converter caused by intense No stacking...
Product Description 2.8 Technical Parameters Model HSNV60K-G01 HSNV70K-G01 HSNV75K-G01 Maximum input voltage 1100 V Minimum working voltage 180 V Working voltage range 200–1000 V MPPT full load working 520–850 V voltage range Rated input voltage 650 V Input Maximum input current 45 A parameters per MPPT...
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Product Description Protection against PID Supported (night repair method) RCD detection Supported Arcing detection Supported N to PE voltage detection Supported EPO/NS Supported Display LED; WLAN + APP RS485 communication Supported Display and communication Zero export communication Supported Communication interface WIFI/RS485 + APP Dimensions (W * H * D) 792 x 742 x 313...
Product Description 2.9 Mechanical Parameters Dimension and Weight Model Width * height * depth (mm) Net weight (kg) HSNV60K-G01 HSNV70K-G01 792 x 742 x 313 ≤ 75 HSNV75K-G01 Dimension of the inverter here does not contain hangers, handles, pads and other components.
Product Description 2.10 Ambient Requirements Transportation Requirements environment Type of shipping Waterways, railways, highways, aviation, etc. Ambient -40℃ to +70℃ temperature Relative humidity ≤ 95% when the temperature is +40℃ The vibration should not exceed the following limits: Mechanical 2 Hz ≤ f < 9 Hz, displacement 7.5 mm. condition 9 Hz ≤...
System Installation 3 System Installation 3.1 Receiving Inspection After confirming that the outer packaging is intact, please carry out the unpacking inspection. Unpack the packaging box and check whether the appearance of the string inverter is in good condition. When opening the package, be careful to use the tool to avoid scratching the string inverter.
System Installation Earplugs Vacuum cleaner Utility knife Monkey wrench Cable tie Figure 3-1 Installation Tools Preparation 3.3 Installation Environment Requirements The environmental requirements for the installation of string inverter are shown in "1 Safety Precautions". The installation mode and position must be suitable for the weight and dimension of the ...
System Installation When installing multiple inverters in a same surface, the horizontal installation mode is recommended. ≥ 500 mm ≥ 500 mm Figure 3-3 Horizontal installation mode When installing multiple string inverters in two lines, the triangle installation is recommended. ≥...
System Installation 3.6 Installation Method To install the inverter, please install the mounting plate first, and then hang the inverter to the mounting plate and fix it. You can mount the inverter on the wall or the bracket according to the actual requirements.
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System Installation Step 2 Choose one of the following two ways to install the mounting plate. Mounting on the wall Figure 3-7 Wall-mounting mode Mounting on the bracket Figure 3-8 Bracket-mounting mode Step 3 Align the holes and then hang the inverter on the mounting plate. Figure 3-9 Hang the inverter on the mounting plate Issue 1.0 (2024-01-25)
System Installation Step 4 Secure the inverter with 4 fixing screws. Figure 3-10 Secure the inverter with screws 3.7 Electrical Connections Do not open the upper panel of the inverter. Any damage due to failure to observe this rule will not be covered by the warranty. During AC cable connection, please open the lower panel of the inverter.
System Installation Figure 3-11 Double-shielded When double shielding layers are adopted, both twisted pair ends of the outer shielding layer need to be grounded, and one end of the inner shielding layer needs equipotential grounding. Figure 3-12 Single-shielded When the single shielding layer is adopted, one end multiple twisted pair of the shielding layer needs equipotential grounding in order to prevent the formation of potential...
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. 3.7.4 Preparation before Operation When connecting cables, do not operate when the product is energized and ...
System Installation The following figures are using 14-input string inverter for example, which is similar with the structure of other models. 3.7.5 Connecting PE Cables Please connect the inverter to the grounding bar through the PE cable to achieve the grounding protection.
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System Installation Users must prepare the OT terminal by themselves. For better EMC performance, armoured cables shall be used on the AC side. Operation steps Step 1 Make the AC output cable. Figure 3-16 Make the AC output cable Step 2 Remove the lower door panel.
System Installation Step 4 Connect the AC cables to the A, B, C and N of the wiring terminal bar, fix the wiring terminals, then tighten the locking cap and reinstall the door panel. Figure 3-19 Connect the AC cables to the terminal bar If there is a gap at the cable gland, seal it with fireproof mud.
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System Installation Cable connection The inverter can be connected to the communication equipment (such as a data collector or a PC) through the RS485 communication cable. The zero export function of the inverter can prevent the energy of the PV panel from flowing to the grid. The RS485 port and the zero export port are located at the bottom of the inverter (Note: The RS485-1 port is used for multi- inverter networking and zero export.
System Installation EPO protection function When the inverters are connected in series (in a daisy chain) as shown in the figure below, users can close the EPO switch for emergency shutdown of all inverters. Table 3-3 RS485-2 8-PIN terminal Definition Definition RS485-2+ EPO/NS...
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System Installation Please ensure that the following conditions are met, otherwise it may cause a fire hazard. Each component of the string in series is of the same specification. The maximum opening voltage of each PV string cannot be greater than 1100 V ...
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System Installation Step 1 Strip the DC cable. Figure 3-25 Strip the DC cable Step 2 Crimp the cable with the metal terminal of the DC connector. Figure 3-26 Crimp the terminal Step 3 Disassemble the DC connector. Figure 3-27 Disassemble the DC connector Step 4 Thread the cable through the connector then reassemble the connector.
System Installation Step 6 Remove the sealing plugs of the DC terminals. Figure 3-30 Remove the sealing plugs Step 7 Connect the connectors to the DC terminals of the inverter. Figure 3-31 Connect the connectors Please use the MC4 terminals configured in the delivery accessories. Device damage due to use of incompatible MC4 terminals is not covered by the warranty.
Appendix 4 Commissioning Guide 4.1 Check before Power-On Before proceeding to the next step of power on, please read carefully this manual "1 Safety Precautions" and do a detailed check according to the table below. In order to avoid danger, the multimeter and other instruments must be used to ...
Appendix 4.2 System Power-On After ensuring that the electrical connection is completed, the power on operation can be performed and the inverter will be turned on. 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.
Appendix 4.3 Commissioning through hopeCloud Before commissioning, please ensure that the WiFi module has been connected and hopeCloud has been downloaded and installed (including registration, creation of the power station, addition of devices and network configuration). Please refer to 3.7.9 Connecting the WiFi Module for more details.
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Appendix Step 5 Function settings > Parameter Settings to enter the setting page. Click Select and set corresponding parameters according to on-site requirements by referring to the table below. Table 4-1 Function list Parameter Function Arcing detection enable (A)DC side configuration IV scan enable MPPT mutual learning enable (B)PID configuration...
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Appendix Function (D) 1) Zero export principle A zero export meter is installed on the main line of the house-service wire, through which the real-time power and current level and direction are collected. When the data collector detects that there is current flowing to the grid, it sends a command to adjust the inverter output power.
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Appendix Login. Step 2 Select Plant on the home page and tap > Inverter. Search the SN of the inverter in the search box and tap Search. Step 3 After entering the detail page of the inverter, tap > Parameter Settings >Zero export.
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Appendix Users can follow the steps below if using the hopeCloud APP to set the zero export function. Step 1 Open the APP and tap > Server > International Server. Enter the account and password, check “I have read and agreed to Service Terms and Privacy Policy” and tap Login.
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Appendix The zero export power and CT transformation ratio should be set according to the onsite conditions. DRM Function According to AS NZS 4777.2-2015, inverters shall support the demand response modes (DRMs). HSNV inverters support the mandatory DRM0 by providing the EPO protection function and other optional demand response modes can be realized when inverters communicate with the data collector through RS485 communication.
Appendix 4.4 System Power-Off Precautions After the inverter is powered off, there will be residual electricity and residual heat on the enclosure, which may cause electrical shock or burns. Therefore, please wait at least 5 minutes before you operate the inverter. When powering off the system, please follow the sequence of operation instructions and ...
Appendix 5 Maintenance and Troubleshooting 5.1 Maintenance Items and Cycles Please read 1 Safety Precautions carefully before maintenance, and use a multimeter and other relevant instruments 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.
Auxiliary power normally after reset. ±12 V auxiliary power fault 2. If it occurs frequently, please is abnormal. contact the Hopewind technician. The output voltage 1. Check whether it can work exceeds the Output hardware normally after reset. protection threshold overvoltage 2.
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Fault Fault/alarm name Fault/alarm reason Troubleshooting word reaches the hardware 2. If it occurs frequently, please CBC time. contact the Hopewind technician. MPPT3 experiences 1. Check whether it can work MPPT3 hardware overcurrent and normally after reset. overcurrent reaches the hardware 2.
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1. Check whether it can work normally after reset. RAM self-test RAM chip read/write 2. If it occurs frequently, failed fails. please contact the Hopewind technician. The EEPROM parameter list is newly added and 1. Check whether it can work EEPROM the code is re- normally after reset.
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1. Check whether it can work normally after reset. Historical faults Historical faults fail to 2. If it occurs frequently, storage failed be stored. please contact the Hopewind technician. 1. Check whether it can work Internal normally after reset. Internal communication communication 2.
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Appendix Fault Fault/alarm Fault/alarm reason Troubleshooting word name 1. Confirm whether there is a Uab exceeds the fault such as a box overvoltage protection transformer tripped on the Uab overvoltage threshold specified by AC side at the fault time. the system. 2.
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Appendix Fault Fault/alarm Fault/alarm reason Troubleshooting word name Grid voltage The grid voltage imbalance Check whether the grid is imbalance exceeds the threshold abnormal. system threshold. exceeded 1. Confirm whether the box transformer tripping and The grid frequency other faults occur on the AC exceeds the side of the inverter through Grid...
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PV string is too low. 1. Check whether it can work Bus fault normally after reset. The bus voltage dip word Bus short circuit 2. If it occurs frequently, exceeds the threshold. status please contact the Hopewind technician. Issue 1.0 (2024-01-25)
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The bus voltage normally after reset. Bus overvoltage exceeds the specified 2. If it occurs frequently, threshold. please contact the Hopewind technician. 1. Check whether it can work The bus voltage is normally after reset. lower than the 2. If it occurs frequently, undervoltage specified threshold.
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Fault Fault/alarm Fault/alarm reason Troubleshooting word name 1. Check whether it can work Fan fails or the normally after reset. External fan feedback signal is 2. If it occurs frequently, fault abnormal. please contact the Hopewind technician. Issue 1.0 (2024-01-25)
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. Issue 1.0 (2024-01-25)
Appendix Appendix Warranty If the product has any fault in the warranty period, we will provide cost-free repair or replacement service. Any faults arising from the following conditions shall be out of the warranty: Dismantle the product without our permission or maintain in wrong way; ...
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