Sungrow SH5K-20 User Manual
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Sungrow SH5K-20 User Manual

Grid-connected hybrid inverter
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User Manual
SH5K-20
Grid-Connected
Hybrid
Inverter
SH5K-20-UEN-Ver13-201807
Version：1.3

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Summary of Contents for Sungrow SH5K-20

  • Page 1 User Manual SH5K-20 Grid-Connected Hybrid Inverter SH5K-20-UEN-Ver13-201807 Version：1.3...
  • Page 3 Documents must be stored carefully and be available at all times. All rights to the content of this manual are owned by Sungrow Power Supply Co., Ltd. (hereinafter “SUNGROW”). No part of this document can be modified, distributed, reproduced or published in any form or by any means without prior written permission from SUNGROW.
  • Page 4 Symbol Explanation Indicates additional information, emphasized contents or tips that may be helpful, e.g. to help you solve problems or save time.

  • Page 5: Table Of Contents

    Contents About This Manual ..............I Safety .................. 1 System Solution ..............5 On-grid System ................. 8 Off-grid System ............... 10 Retrofitting the Existing PV System ......... 11 Function Description ............12 Safety Function ............... 12 3.1.1 Protection .................. 12 3.1.2 Earth Fault Alarm ...............
  • Page 6 Installing the Inverter ..............26 Installing the Energy Meter ............27 Electrical Connection ............28 Terminal Description ..............28 Grounding the Inverter ............. 30 Meter Connection ..............30 Grid Connection ............... 32 6.4.2 Assembling the AC Connector ..........33 6.4.3 Installing the AC Connector ............34 PV Connection .................
  • Page 7 8.1.2 Troubleshooting of the Errors ............ 57 Maintenance ................58 8.2.1 Routine Maintenance ..............58 8.2.2 Replacing the Button Battery ............ 58 System Decommissioning ..........59 Decommissioning the Inverter ..........59 Decommissioning the Battery ..........60 10 Appendix I: LCD Operation ..........61 10.1 Main Screen ................
  • Page 8 11.2 Main Interface ................76 11.3 Navigation Introduction ............76 12 Appendix III: AS/NZS 4777 Compliant ......78 12.1 Demand Response Modes ............78 12.1.1 Connecting the inverter to a DRED ......... 78 12.1.2 Viewing the DRM State via LCD Menu ........79 12.2 Reactive Power Regulation ............

  • Page 9: Safety

    1 Safety General Safety The inverter has been designed and tested strictly according to international safety regulations. Read all safety instructions carefully prior to any work and observe them at all times when working on or with the inverter. Incorrect operation or work may cause: ...
  • Page 10 1 Safety User Manual Symbol Explanation There is a danger from a hot surface that may exceed 60°C. Danger to life due to high voltages! Only qualified personnel can open and service the inverter. Check the user manual before service! Regulatory compliance mark.
  • Page 11 User Manual 1 Safety Risk of inverter damage or personal injury Do not pull out PV connectors, AC connector or battery connectors while the inverter is running. De-energize from all power sources and verify that there is no voltage. All the warning labels and nameplate on the inverter body: ...
  • Page 12 1 Safety User Manual Provide sufficient ventilation for the battery system to prevent flames and sparks from the explosive hydrogen gas that the batteries release. Due to the dangers of hydrogen gas and battery electrolyte:  locate batteries in a designated area, complying with the local regulations; ...

  • Page 13: System Solution

    Any use other than that described in this chapter is not permitted. SH5K-20 is a single-phase hybrid inverter applicable to both on-grid and off-grid PV systems. With the Energy Management System (EMS) integrated, it can control and optimize the energy flow so as to increase the self-consumption of the system.
  • Page 14 2 System Solution User Manual Name Description DC switch (optional) To disconnect the DC current safely. Wi-Fi terminal To connect the Wi-Fi module. Battery connection BAT+ and BAT-. Communication RS485, Ethernet, CAN, AI, DO and DRM. connection Second PE terminal For reliable grounding.
  • Page 15 For detailed functions, see Tab. 7-1. Energy Meter The SUNGROW Energy Meter is installed next to the main switch to detect the electrical measured values at the grid-connected point. It communicates with the inverter via an RS485 connection. The dimensions are shown below.

  • Page 16: On-Grid System

    Fig. 2-6 PV Energy Storage System (PV ESS) Tab. 2-1 System Compositions Description Remark Monocrystalline silicon, polycrystalline PV strings silicon, and thin-film without grounding. Inverter SH5K-20. SUNGROW energy Measures export power meter (single-phase for communicate with the inverter via the RS485 example) port.
  • Page 17 User Manual 2 System Solution Energy Management during Night The battery discharges to provide energy to loads. If the battery is empty or there is not enough power from the battery system to supply active loads, the unmet power will be supplied by the grid.

  • Page 18: Off-Grid System

    Also user may manually press the button on the STB5K-20 to switch a system from on-grid to off-grid. STB5K-20 SH5K-20 Emergency appliance Home appliance SBP4K8 Fig.

  • Page 19: Retrofitting The Existing Pv System

    The power generation from the existing PV inverter will be firstly provided to the loads and then charge the battery. With the energy management function of the SH5K-20, the self-consumption of the new system will be greatly improved. PV inverter...

  • Page 20: Function Description

    3 Function Description 3.1 Safety Function 3.1.1 Protection The protective functions are integrated in the inverter, including short circuit protection, grounding insulation resistance surveillance, residual current protection, anti-islanding protection, DC overvoltage / over-current protection, etc. 3.1.2 Earth Fault Alarm The inverter has integrated an earth fault dry-contact (DO2 relay) for the local alarm.

  • Page 21: Power Derating

    User Manual 3 Function Description 3.2.1 Power Derating Power derating is a way to protect the inverter from overload or potential faults. In addition, the derating function can also be activated by the requirements of the utility grid. Situations requiring inverter power derating are: ...

  • Page 22: External Demand Response

    3 Function Description User Manual Normally working area 230V Fig. 3-1 Grid Under-voltage Derating Export Power Limit Derating When the meter detects that the export power is greater than the limit value on the LCD, the inverter will reduce the output power within the specified range. Power Factor Derating When the power factor PF<1.0, the inverter will reduce the output power within a specified range.

  • Page 23: Reactive Power Regulation

    User Manual 3 Function Description Tab. 3-1 Demand Response Modes (DRMs) Mode Explanation DRM0 The inverter is in the state of “Turn off”. DRM1 The import power from the grid is 0. DRM2 The import power from the grid is no more than 50 % of the rated power. DRM3 The import power from the grid is no more than 75 % of the rated power.

  • Page 24: Load Control

    3.3 Battery Management The following kinds of batteries are compatible with the PV ESS.  Li-ion battery from Sungrow, LG Chem, GCL, Pylon and BYD.  Lead-acid batteries which require manual configuration. To maximize the battery life, the inverter will perform battery charge, discharge, and maintenance management basing on the battery state.

  • Page 25: Charge Management

    Other lead-acid < 30 V Configured by the customer * The SOC limits of Li-ion batteries except Sungrow batteries can be modified via the Webserver. For details about the Webserver, see “11 Appendix II: Visiting and Configuring the Webserver”. 3.3.1 Charge Management...
  • Page 26 Finish  No battery under-voltage warning is triggered.  No emergency charge command is reported to the inverter. (only for Sungrow and BYD batteries) Tab. 3-4 Default SOC Conditions for Li-ion Battery Emergency Charge Type Trigger SOC Finishing SOC Sungrow (new system)

  • Page 27: Discharge Management

    When the trickle current decreases to 3 A, end the maintenance. 3.3.4 Battery Temperature Sensor (PT1000) SH5K-20 has integrated a PT1000 temperature sampling port for lead-acid batteries. With the external PT1000 installed, SH5K-20 can sample the temperatures of the external environment or the battery cabinet. The system uses the sensor input to perform power derating, battery over-temperature and under-temperature protection.

  • Page 28: Communication And Configuration

    3 Function Description User Manual The temperature sampling function of the sensor PT1000 for lead-acid batteries is disabled by default. Refer to “10.4.14 PT1000 Switch Setting” to enable the function via LCD menu. 3.4 Communication and Configuration The inverter provides various ports for device and system monitoring, including RS485, Ethernet, Wi-Fi, and CAN;...

  • Page 29: Unpacking And Storing

    Check the delivery contents for completeness according to the packaging list. Check the inner contents for any visible damage. Contact SUNGROW or the distributor in case of any damaged or missing components. It is the best choice to store the inverter in the original packaging. So, do not dispose of it.

  • Page 30: Delivery Contents

    4 Unpacking and Storing User Manual 4.2 Delivery Contents Expansion plug set (x2) Wall-mounting bracket Inverter AC connector set Single-phase meter and CT cable Three-phase meter PV connectors (x2) Power supply cable (meter) RS485 cable (meter) Copper bar OT25-6 terminals M5 screws and washers CAN cable (battery) Documents...

  • Page 31: Storing The Inverter

    User Manual 4 Unpacking and Storing The documents include the Quick User Manual, 1 CD, quality certificates, packaging list and product test reports. 4.3 Storing the Inverter If you do not install the inverter immediately, choose an appropriate location to store it.

  • Page 32: Mechanical Mounting

    5 Mechanical Mounting In order to avoid electric shock or other injury, be sure there is no electricity or plumbing installations before drilling holes. Risk of injury due to improper handling  The weight can cause injuries, serious wounds, or bruise. ...
  • Page 33 User Manual 5 Mechanical Mounting Max. RH Min. Max. +100% +60°C -25°C The location should be away from flammable materials or gas, and not enclosed. Flammable material or Flammable wall Closed Cabinet gas near the installation The shaded side of the building would be better to prevent the inverter from exposure to the sun, rain, and snow.

  • Page 34: Installing The Inverter

    5 Mechanical Mounting User Manual Clearance requirement and multiple installation: 300mm 300mm 5.2 Installing the Inverter Install the inverter on the wall by means of the wall-mounting bracket and expansion plug sets as follows: Install the wall-mounting bracket. Mark the positions Drill holes Secure the bracket Place expansion tubes...

  • Page 35: Installing The Energy Meter

    M5 screws and washers. (3.0 Nm) 5.3 Installing the Energy Meter The SUNGROW Energy Meter should be installed between the grid and the load. It supports a 35 mm DIN-rail installation, as shown in the following figure. Single-phase Energy Meter Three-phase Energy Meter Fig.

  • Page 36: Electrical Connection

    6 Electrical Connection This chapter mainly describes the cable connections on the inverter side. Danger to life due to a high voltage inside the inverter  Make sure that the cables are not live before electrical connection.  Do not turn on the AC circuit breaker until all the electrical connections are completed.
  • Page 37 User Manual 6 Electrical Connection Label Description AC-Grid AC terminal to the utility grid. Two holes for the control cable and DI cable of the Backup Ctrl backup box STB5K-20. PV1+, PV1-, PV2+, Terminals for the DC cables. PV2- ON, OFF DC switch.

  • Page 38: Grounding The Inverter

    Cable socket Washer A B C Spring washer M5 × 12 mm (3.0 Screw Nm) 6–10 mm copper Yellow-green wire or 10–16 mm cable aluminum wire 6.3 Meter Connection The SUNGROW energy meter should be installed next to the main switch.
  • Page 39 User Manual 6 Electrical Connection This section mainly describes the cable connections on the inverter side. Refer to the quick guide delivered with the SUNGROW meter for the connections on the meter side. Solar switch Main Meter switch link Network...

  • Page 40: Grid Connection

    6 Electrical Connection User Manual Lead the cable through the cable gland. Plug the wires into terminals A2 and B2 on the inverter without tool tightening. Note: For reconnection, press the part as shown in the red circle so as to pull out the cable.

  • Page 41: Assembling The Ac Connector

    User Manual 6 Electrical Connection 6.4.2 Assembling the AC Connector Take out the AC connector parts from the packaging. Lead the AC cable through the cable gland and the housing. Remove the cable jacket by 40 40 mm strip wire –...

  • Page 42: Installing The Ac Connector

    6 Electrical Connection User Manual Terminal block “Click” Housing Cable gland 6.4.3 Installing the AC Connector Procedure: Install an AC circuit breaker (recommended specification 32 A) at the AC output of the inverter. Disconnect the AC circuit breaker and secure it against reconnection. Align the AC connector and the AC terminal and mate them together by...

  • Page 43: Pv Input Configuration

    User Manual 6 Electrical Connection 6.5.1 PV Input Configuration Independent Mode The two PV inputs work independently, each with its own MPPT. The two PV inputs can be different from each other in PV module types, numbers of PV panels in PV strings, tilt angles and orientation angles of PV modules. The following figure details the need for a homogenous PV string structure for maximum power.

  • Page 44: Connecting The Inverter To The Pv Strings

    6 Electrical Connection User Manual PV input 1 PV input 2 Inverter inside Prior to connecting the inverter to PV inputs, the specifications in the following table should be met: Total DC Power Limit Open-circuit Voltage Short circuit Current for Inverter Limit for Each Input Limit for Total Input 6500 W...
  • Page 45 User Manual 6 Electrical Connection Positive Crimp Contact Assemble the cable ends by crimping pliers. Negative Crimp Contact Lead the cable through the cable gland to insert into the insulator until it snaps into place. Then tighten the cable gland (torque 2.5 Nm 3 Nm).

  • Page 46: Communication Connection

    6 Electrical Connection User Manual Check the cable connection of the PV strings for the correct polarity and that the open circuit voltage does not exceed the inverter input limit of 600 V, even under the lowest operating temperature. Refer to the module specification supplied by the module manufacturer for detailed information.

  • Page 47: Ethernet Connection

    User Manual 6 Electrical Connection Ethernet function:  Through the Modbus TCP/IP protocol, the EMS or the Control Box from the third party can fully control the on/off, derating, charging and discharging of the inverter.  The inverter operation information can be transferred via Ethernet port. Visit the Webserver and you can view the information.
  • Page 48 6 Electrical Connection User Manual Internet SolarInfo Bank server Inverter Router/Switch Remote Local access SolarInfo Moni APP Webserver Explorer SolarInfo Bank Fig. 6-6 Ethernet Connection with a Router Cable Requirements Use a TIA/EIA 568B standard network cable with a diameter of 3 mm 5.3 mm.

  • Page 49: Wi-Fi Connection

    User Manual 6 Electrical Connection Install RJ45 plug Ethernet port. Fasten the swivel nut and connect the other end to the socket of the switch or the router. Ethernet 6.6.2 Wi-Fi Connection Unscrew the waterproof lid from the Wi-Fi terminal. Install the Wi-Fi module.
  • Page 50 6 Electrical Connection User Manual Cable Requirements Cross-section: 16 mm 25 mm , OT25-6, cable diameter: 13 mm 16 mm. – – Procedure: Remove the battery cable Crimp the OT terminal and jacket, as shown below. install the heat shrinkable casing, as shown below.

  • Page 51: Connecting The Can Cable

    User Manual 6 Electrical Connection 6.7.2 Connecting the CAN Cable The CAN cable enables the communication between the inverter and the Li-ion battery from LG, Sungrow, GCL, Pylon (US2000B) or BYD. Procedure: Take out the CAN cable (terminal marks CANH and CANL) from the packaging.

  • Page 52: Connecting The Temperature Sensor

    6 Electrical Connection User Manual 6.7.3 Connecting the Temperature Sensor When the system is equipped with a lead-acid battery, it is recommended to connect the PT1000 temperature sensor to the inverter. This is to sample the battery temperature or the external environment temperature of the battery. Cable Requirements Cross-section: 1.0 mm², cable diameter: 3 mm 5.3 mm...

  • Page 53: Stb5K-20 Connection (Eps)

    STB5K-20. And it is the same for the PE lines. Connect terminals L1, N1 and PE to the grid, and connect terminals L4, N4 and PE to the AC connector and then to the AC terminal on the SH5K-20. Cross-section: 4 mm², cable diameter: 11 mm 14 mm –...

  • Page 54: Connecting The Control Cable And Di Cable

    40 mm-50 mm Grid Load SH5K-20 AC 6.8.2 Connecting the Control Cable and DI Cable The control cable (with end marks C1 and C2) and the DI cable (with end marks DI1, DI2, DI3 and VDD) are equipped in the backup box STB5K-20 before delivery.

  • Page 55: Do Connection

    User Manual 6 Electrical Connection A lethal voltage of 230 Vac is present between C1 and C2 terminals. Power off the system before cable connection or disconnection. Only use proper cables and insulated tools to prevent accidental electric shock. Plug the wires of the DI cable into terminals DI1, DI2, DI3 and VDD according to the marks without tool tightening, as shown below.
  • Page 56 6 Electrical Connection User Manual Relay Trigger condition Description Once the inverter receives the earth Earth fault fault signal, the relay closes the The earth fault occurs. alarm contact. The relay remains triggered until the fault is removed. Grid Manual Controlled by switch Load...
  • Page 57 User Manual 6 Electrical Connection Remove the cable jacket and strip – 5 mm 8 mm the wire insulation. – 40 mm 50 mm Plug the wires into DO terminals without tool tightening. Note: COM1 NO1 COM2 NO2 For reconnection, press the part as shown in the red circle so as to pull out the cable.

  • Page 58: Commissioning

    7 Commissioning Commissioning is essential for the system, which can protect it against fires, injury and electric shock. 7.1 Inspection before Commissioning Check the following items before starting the system: All the installation sites are convenient for operation, maintenance and service.

  • Page 59: Powering On The System

    (Optional) Power on the battery pack manually if a battery is equipped. Rotate the DC switch to “ON”. The DC switch may be integrated in the SH5K-20 or installed by the customer. The LCD screen will be activated 5s later and enter the initial settings.

  • Page 60: Lcd Initial Settings

    8 Troubleshooting and Maintenance User Manual 7.4 LCD Initial Settings Set the country code. For the code “AU”, select the grid standard as shown in the following figures. Country Grid Standard Country： [ AU ] Manual Default Tab. 7-2 Grid Standard Description Grid company Code Company AusGrid, NSW...
  • Page 61 User Manual 8 Troubleshooting and Maintenance Parameter Default 10-min voltage 255.0 255.0 255.0 257.0 258.0 255.0 258.0 * In New Zealand, the default value for under-frequency protection is 45.00 Hz, the others are the same as in Australia. Refer to Tab. 10-5 for the parameter explanations.
  • Page 62 8 Troubleshooting and Maintenance User Manual Reactive Power Regulation OFF: The reactive power regulation function is Reactive Power disabled. The power factor (PF) is limited to +1.000. Q(p) “PF” mode: The inverter is capable of operating Q(u) with fixed power factor. The PF ranges from 0.8 leading to 0.8 lagging.
  • Page 63 User Manual 8 Troubleshooting and Maintenance − Turn off the inverter via the LCD menu. Menu ON / OFF 5000 Run Info Confirm ‘OFF’? 3000 1900 ON / OFF Settings Running 16:37 − Set the battery type to “Other Battery”. Menu Settings Settings...

  • Page 64: Result Verification

    8 Troubleshooting and Maintenance User Manual Parameter Description Range The lower limit of battery voltage when Low Vtg 32 V to 48 V discharging Over Temp The upper limit of battery temperature 20℃ to 70℃ Low Temp The lower limit of battery temperature -30℃...

  • Page 65: Troubleshooting And Maintenance

    4. Check whether the DC input voltage exceeds the start voltage of the inverter. 5. If all of the above are OK, please contact SUNGROW. 1. A fault is not resolved. 2. Perform troubleshooting according to the fault type on the LCD screen. See “8.1.2 The LED indicator is lit red.

  • Page 66: Maintenance

    There is a button battery on the inner PCB board of the LCD. Contact the SUNGROW Service Dept. for replacement when the relevant fault alarm occurs. Check the fastener, appearance, voltage, and resistance quarterly and annually.

  • Page 67: System Decommissioning

    Disconnect the AC circuit breaker and secure against reconnection. Rotate the DC switch to “OFF”. The DC switch may be integrated in the SH5K-20 or installed by the customer. Disconnect the DC circuit breaker between the battery and the inverter.

  • Page 68: Decommissioning The Battery

    User Manual 9 System Decommissioning Dismantling the Inverter Refer to Chapter 5 and Chapter 6, dismantle the cables in reverse procedure. Remove the wall-mounting bracket from the wall if necessary. Disposing of the Inverter Users should take the responsibility for the disposal of the inverter. Some parts and devices of the inverter, such as, LCD displayer, batteries, capacitors, may cause environment pollution.

  • Page 69: Appendix I: Lcd Operation

    16:37: Current system time. Neither the grid power nor the load power will be displayed on the main screen in case of no SUNGROW meter installed. If there is no button operation for:  1 minute, the LCD backlight is OFF;...

  • Page 70: Lcd Menu

     Whether the battery level is sufficient and the cable connection is correct.  If no anomaly is found, disconnect the DC switch and the main switch to restart.  If it still does not work, contact SUNGROW. 10.2 LCD Menu Abbreviations...
  • Page 71 User Manual 10 Appendix LCD Operation Abbreviation Complete Abbreviation Complete Capacity Demand respond mode Ver. Version Ref. Reference Constant Max. discharging current CSTVtgChrg MDCV charging voltage value Max. charging current DChrg Discharge MCCV value Prot. Protection Multi. Multiple Comm. Communication DChrgEndVtg Final discharg voltage System...

  • Page 72: Starting And Stopping The Inverter

    10 Appendix LCD Operation User Manual not have this parameter. The SOC value for lead-acid batteries is for reference only. (3) The DRM0 state will prohibit the “ON”. (4) The “Restart” option will appear only if an unrecoverable fault occurs. The demand response mode (DRM), reactive power settings about Qt, Q(p), Q(u), and power derating settings are valid only for Australia.

  • Page 73: Setting The Eps Function

    20 s when the battery level is lower than the threshold value specified in the following table. Tab. 10-2 Threshold Values of Different Batteries Battery Type SOC Threshold ≤ 6 % Sungrow (retrofitting system) / LG ≤ 11 % ≤ 16 % ≤ 21 % Pylon (US2000B) ≤ 45 V Lead-acid 10.4.3 Adding the Existing System...

  • Page 74: Setting The Battery Type

    05000W For example, retrofit an existing PV system (rated power: 3000 W) with SH5K-20 hybrid inverter (rated power: 5000 W). The total export limit can be set from 3000 W to 8000 W. The export power limit setting and zero-export setting are from the same source.

  • Page 75: Setting Forced Charge

    User Manual 10 Appendix LCD Operation 10.4.6 Setting Forced Charge In the system without a battery, a Enable the function for the system with prompt will appear. a battery. Forced Charge Disable No Battery ! Enable When there is no PV power, the import power from Forced Charge the grid charges the energy system during the time period until the target SOC is reached.

  • Page 76: Setting Reactive Power Regulation

    10 Appendix LCD Operation User Manual Power Ramp Rate: the ramp up/down rate of power Power Ramp Rate En. variation. [ Enable ] The power rate limit mode is enabled by default. Power Ramp Rate The default set-point is 16.67 % of rated power per minute. 16.67% Set to Disable to turn off the function.

  • Page 77: Setting Load Control

    User Manual 10 Appendix LCD Operation 10.4.10 Setting Load Control After connecting the load to the DO terminals, a relay control signal will be transmitted. Users can flexibly set the control mode via the LCD menu. Press to choose the control mode. Press Load Control to confirm.
  • Page 78 10 Appendix LCD Operation User Manual Grid Inverter DO port OFF mode COM1 Contactor DO relay Fig. 10-3 DO Operation in ON/OFF Control Optimized Control The system will control the load operation Load Control according to the power optimization algorithm of Timer energy management.

  • Page 79: Setting The Communication Parameters

    User Manual 10 Appendix LCD Operation 10.4.11 Setting the Communication Parameters Ethernet: Comm. Param − The communication address ranges from 1 to Ethernet Config 247. WiFi Config − The IP, sub net, gateway, DNS1 and DNS2 can be modified only when the DHCP is set to OFF. Acquire the IP, subnet mask, gateway, DNS1 and DNS2 from the network professional.

  • Page 80: Factory Reset

    10 Appendix LCD Operation User Manual 10.4.15 Factory Reset All history information will be irrecoverably cleared and all parameters will return to the default values except the protection parameters and time once the “Factory Reset” is performed. Firstly, set the inverter to Menu ON / OFF “OFF”...
  • Page 81 User Manual 10 Appendix LCD Operation Tab. 10-4 Descriptions of the country codes Country Code Full Name Language Great Britain English Germany German France French Italy Italian Spain English Austria German Australia English Czech English Belgium French Denmark English GR_L Greece Land English GR_IS...

  • Page 82: Viewing The Error Codes

    “Error” state on the Code 001 GRID main screen, press to view the current Type faults. Refer to section 5.2 in the SH5K-20 quick user manual for error description and troubleshooting. Refer to the following table for error type explanations. Error Type Explanation...

  • Page 83: Appendix Ii: Visiting And Configuring The Webserver

    11 Appendix II: Visiting and Configuring the Webserver 11.1 User and Authority The Webserver provides user permission and installer permission: The user permission (by default): the username is user and the password is 1111. Installer permission: Select the username installer through the drop-down list. The password is 2222.

  • Page 84: Main Interface

    11 Appendix Visiting and Configuring the Webserver User Manual  If there is no operation for 10 minutes, the system will automatically return to the login interface.  The figures in this chapter are all with an installer’s permission. 11.2 Main Interface Fig.
  • Page 85 User Manual 11 Appendix Visiting and Configuring the Webserver The default interface after login displays the read-only information. You can use the “Export” button to export data as a CSV file. The Serial Number (SN) of the running inverter is shown on the upper-left corner. History records: 10 records in each page, 100 records at most.

  • Page 86: Appendix Iii: As/Nzs 4777 Compliant

    12 Appendix III: AS/NZS 4777 Compliant The inverter supports the demand response modes, the reactive power regulation, and the power quality response, as specified in the standard AS/NZS 4777. 12.1 Demand Response Modes 12.1.1 Connecting the inverter to a DRED The inverter has integrated a terminal block for connecting to a DRED.

  • Page 87: Viewing The Drm State Via Lcd Menu

    III: User Manual 12 Appendix AS/NZS 4777 Compliant The cable for connecting to the DRED is not included in the delivery. Use a TIA/EIA 568B standard network cable with a diameter of 3 mm 5.3 mm. – Procedure Unscrew the swivel nut from Lead the cable through the any Com.

  • Page 88: Reactive Power Regulation

    III: 12 Appendix AS/NZS 4777 Compliant User Manual In “Run Info” menu, Press Menu DRM State DRM1 turn to the page showing DRM Run Info information. Import Limit 100.0% ON / OFF Export Limit 100.0% Settings 12.2 Reactive Power Regulation Only qualified personnel can perform the power regulation settings.

  • Page 89: Q(U)" Mode

    III: User Manual 12 Appendix AS/NZS 4777 Compliant Parameter Explanation Default Range Upper Upper limit of the output power (in %) 100 % 50 %–100 % Power* *Lower Power <Upper Power General Q(P) Curve Default Q(P) Curve COS Ф COS Ф 100% Lower power Upper power...

  • Page 90: Active Power Response

    III: 12 Appendix AS/NZS 4777 Compliant User Manual Q/Sn Grid voltage, V Fig. 12-2 Reactive Power Regulation Curve in Q(u) Curve (“AU” for example) 12.3 Active Power Response The submenu is as shown on the right. Active Power Refer to “10.2 ”...

  • Page 91: Volt-Watt Response For Battery Charging

    III: User Manual 12 Appendix AS/NZS 4777 Compliant The response curve is defined by the voltage reference values and corresponding power levels. 100% Default characteristic Range (lower limit) Range (upper limit) Inverter Voltage, V Fig. 12-3 Volt-Watt Response Curve (“AU” for example) 12.3.2 Volt-watt Response for Battery Charging When the power from the grid is required to charge the energy storage system, the import power from the grid varies in response to the grid voltages.

  • Page 92: Frq-Watt Response

    III: 12 Appendix AS/NZS 4777 Compliant User Manual 100% Default characteristic Range (lower limit) Range (upper limit) Inverter Voltage, V Fig. 12-4 Vtg-Watt Response Mode for Battery Charging Curve (“AU” for example) 12.3.3 Frq-Watt Response Tab. 12-5 Description of Frq-watt Parameters Parameter Description Default...
  • Page 93 III: User Manual 12 Appendix AS/NZS 4777 Compliant Rated power of inverter Inverter power output prior to frequency disturbance Allowed ramp up rate once frequency has returned to 50.15 Hz for at least 60 s Inverter to disconnect Required power reduction of when f≤47 Hz inverter in response to exceeding 50.25 Hz to 52 Hz...
  • Page 94 III: 12 Appendix AS/NZS 4777 Compliant User Manual Max. charge rate of energy storage Charge rate prior to frequency disturbance Allowed ramp up rate once frequency has returned to 49.85 Hz for at least 60 s Required reduction in charge change rate of inverter in response to frequency falling Max.

  • Page 95: Appendix Iv: Technical Data

    13 Appendix IV: Technical Data 13.1 Inverter PV Input Data Max. PV input power 6500 W Max. PV input voltage 600 V Startup voltage 125 V Nominal input voltage 350 V MPP voltage range 125 V–560 V MPP voltage range for nominal 240 V–520 V power No.
  • Page 96 13 Appendix Technical Data User Manual Total Harmonic Distortion (THD) < 3 % (of nominal power) DC current injection < 0.5 % (of nominal current) > 0.99 at default value at nominal power Power factor (adj. overexcited/leading–0.8 underexcited/lagging) Protection Anti-islanding protection AC short circuit protection Leakage current protection DC fuse (battery)

  • Page 97: Stb5K-20 (Backup Box)

    User Manual 13 Appendix Technical Data Backup Data Nominal voltage 230 Vac (± 2 %) Total harmonic factor output 2 % (full resistive load) Frequency range 50 Hz (±0.2 %) Switch time to emergency mode overexcited/leading–0.8 Power factor underexcited/lagging Max. output power 5000 W / 5000 VA Max.
  • Page 98  damage caused by the natural environment beyond the rated operating range of the inverter. The use of supplied software produced by SUNGROW is subject to the following conditions:  SUNGROW rejects any liability for direct or indirect damage arising from the use of the SolarInfo software.
  • Page 99 The power rating of SUNGROW products covers from hundred watt to mega-watt systems. The vision of SUNGROW is to help our customers acquire stable and clean power with minimum cost, maximum reliability and enhanced safety. Contact Information Should you have any problems, please contact us through the following information.

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