Huawei SUN2000 Series User Manual
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Huawei SUN2000 Series User Manual

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SUN2000-(100KTL, 110KTL, 115KTL)-M2
User Manual
Issue
02
Date
2022-06-30
HUAWEI TECHNOLOGIES CO., LTD.

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Table of Contents

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Summary of Contents for Huawei SUN2000 Series

  • Page 1 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual Issue Date 2022-06-30 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...

  • Page 3: About This Document

    Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 Updated Tools. Added 7.1.4 Setting Parameters. Updated 8.2 Power-Off for Troubleshooting. Updated 10 Technical Specifications. Added B Resetting Password. Issue 01 (2022-05-20) This issue is used for first office application (FOA). Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    4.3 Determining the Installation Position..........................24 4.4 Installing the Mounting Bracket............................28 4.4.1 Support-mounted Installation............................28 4.4.2 Wall-mounted Installation............................. 29 4.5 Installing a Solar Inverter..............................31 5 Electrical Connections......................35 5.1 Precautions....................................35 5.2 Preparing Cables................................... 35 Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 9.2 Packing the SUN2000............................... 109 9.3 Disposing of the SUN2000.............................. 109 10 Technical Specifications....................110 A Grid Codes..........................115 B Resetting Password......................126 C Domain name of the management system..............127 D Acronyms and Abbreviations................... 128 Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Safety Information

    The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.

  • Page 8: Personnel Requirements

    Do not touch the energized equipment, as the enclosure is hot. 1.2 Personnel Requirements ● Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations.

  • Page 9: Electrical Safety

    Obtain approval from the local electric utility company before using the equipment in grid-tied mode. ● Ensure that the cables you prepared meet local regulations. ● Use dedicated insulated tools when performing high-voltage operations. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Installation Environment Requirements

    Do not overload it. ● Ensure that the wider end of the ladder is at the bottom, or protective measures have been taken at the bottom to prevent the ladder from sliding. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 Moving Heavy Objects ● Be cautious to avoid injury when moving heavy objects. ● When moving the equipment by hand, wear protective gloves to prevent injuries. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Commissioning

    If the equipment is faulty, contact your dealer. ● The equipment can be powered on only after all faults are rectified. Failing to do so may escalate faults or damage the equipment. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Overview

    The SUN2000-110KTL-M2 is applicable only to the Chinese mainland. For other countries or regions, the Company does not provide quality assurance. This document covers the following product models: ● SUN2000-115KTL-M2 ● SUN2000-110KTL-M2 ● SUN2000-100KTL-M2 ● SUN2000-100KTL-INM2 Figure 2-1 Model Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Overview

    PV strings into AC power and feed the power into the power grid. Characteristics Smart ● Ten independent maximum power point tracking (MPPT) circuits and 20 PV string inputs. Flexible configuration of PV strings is supported. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 M2, and SUN2000-100KTL-INM2 need to connect to an isolation transformer and avoid overhead cabling. Supported Power Grids SUN2000-115KTL-M2, SUN2000-110KTL-M2, SUN2000-100KTL-M2, and SUN2000-100KTL-INM2 solar inverters support the TN-S, TN-C, TN-C-S, TT, and IT power grids. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Label Description

    It takes 15 minutes for the inverter to discharge to the safe voltage. Refer to documentation Reminds operators to refer to the documents shipped with the inverter. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Product Appearance

    Fan replacement warning Before replacing a fan, disconnect its power connectors. Inverter ESN label Indicates the inverter serial number. Weight label The inverter needs to be carried by four persons or using a pallet truck. 2.4 Product Appearance Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Appearance

    (9) Reset button 3 (RESET 3) (10) Ventilation valve (11) USB port (12) Communications port (COM) (13) Hole for the AC output power cable (14) Hole for the tracking system power cable Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 ● When the RESET button is not pressed, the DC switch can only be turned to the unloaded position , and cannot be set to the ON position. Dimensions Figure 2-7 Dimensions Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Indicator Status

    On for 1s and Off for 1s) PV connection Steady green At least one PV string is indicator properly connected, and the DC input voltage of the corresponding MPPT circuit is at least 200 V. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 SUN2000 app. Blinking red fast A minor alarm is generated. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Working Principles

    10 MPPT circuits inside the solar inverter to track the maximum power point of the PV strings. The DC power is then converted into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Working Modes

    SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 2 Overview Figure 2-10 Schematic diagram 2.5.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 24 ● In Standby or Operating mode, the SUN2000 enters Shutdown mode after detecting a fault or shutdown command. ● In Shutdown mode, the SUN2000 enters Standby mode after detecting a startup command or that the fault is rectified. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Solar Inverter Storage

    ● Do not tilt the package or place it upside down. ● To avoid personal injury or device damage, stack inverters with caution to prevent them from falling over. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Figure 3-2 Maximum number of stacking layers allowed ● If the solar inverter has been stored for more than two years, it must be checked and tested by professionals before being put into use. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Installation

    If any damage is found or any component is missing, contact your dealer. NO TE For details about the number of accessories delivered with the solar inverter, see the Packing List in the packing case. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Tools

    Installation tools Wire strippers Rubber mallet Flat-head Flat-head insulated torque screwdriver screwdriver (head: M3) Utility knife Crimping tool Diagonal pliers Cable cutter Model: H4TC0003 Manufacturer: AMPHENOL (For Amphenol Helios H4 connectors only) Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 Hydraulic pliers Heat shrink level tubing Heat gun Cable tie Scissors RJ45 crimping tool Personal Safety shoes Insulated gloves Safety goggles Dust mask protective equipment (PPE) Safety helmet Reflective vest Protective gloves Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Determining The Installation Position

    The inverter will be corroded in salt areas. Before installing the inverter outdoors in salt areas, consult Huawei. A salt area refers to the region within 500 meters from the coast or prone to sea breeze. The regions prone to sea breeze vary with weather conditions (such as typhoons and monsoons) or terrains (such as dams and hills).
  • Page 31 Do not install the solar inverter at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-2 Angle Installation Dimensions Requirements Reserve enough space around the solar inverter for installation and heat dissipation. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 When installing multiple solar inverters, install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is available. Stacked installation is not recommended. Figure 4-4 Horizontal installation mode (recommended) Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 4 Installation Figure 4-5 Triangle installation mode (recommended) Figure 4-6 Stacked installation mode (not recommended) Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Installing The Mounting Bracket

    Step 1 Determine the positions for drilling holes using the mounting bracket. Level the positions of mounting holes using a bubble or digital level, and mark the positions with a marker. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Wall-Mounted Installation

    Step 2 Drill holes using a hammer drill and install expansion bolts. WARNING Avoid drilling holes in the position of the wall with water pipes and power cables buried inside. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Otherwise, the mounting bracket will not be securely installed on the wall. Step 3 Secure the mounting bracket. Figure 4-10 Installing the mounting bracket ----End Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Installing A Solar Inverter

    ● To avoid damage to the equipment, do not lift or hoist a solar inverter with an improper hold as shown in Figure 4-12. Figure 4-11 Positions for installing the lifting handles (A) Transportation scenario (B) Installation scenario Figure 4-12 Lifting positions Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 NO TICE Hoist the solar inverter with care to protect it from colliding with the wall or other objects. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Step 4 Install the solar inverter on the mounting bracket and align the solar inverter enclosure with the mounting bracket. Figure 4-16 Mounting the solar inverter Step 5 Secure the solar inverter. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 4 Installation Figure 4-17 Tightening security Torx screws ----End Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Electrical Connections

    Select cables in accordance with local cable specifications (green-and- yellow cables are only used for protective earthing). 5.2 Preparing Cables SUN2000 solar inverters support RS485 communication and MBUS communication. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 Figure 5-1 RS485 networking (SmartLogger) (A) PV string (B) SUN2000 (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartLogger (G) Management system Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 (E) Power grid (F) SDongle (G) Management system Figure 5-3 MBUS networking (SmartLogger) (A) PV string (B) SUN2000 (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartLogger (G) Management system Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 COM port on the SmartLogger and that less than 10 solar inverters be cascaded over the SDongle. ● The RS485 communication distance between the last solar inverter and the SmartLogger cannot exceed 1000 m. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 SDongle is installed. SmartLogger The solar inverter communicates with Purchased from the management system through the the Company SmartLogger. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 ● If MBUS is used for communication, you are advised to use multi-core cables with the maximum communication distance of 1000 m. To use other types of AC power cables, contact local technical support. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 ≥ S/2 Prepared PE cable cable and M10 OT/DT by the terminals customer Tracking system Three-core outdoor copper 15–18 mm Prepared 10 mm power cable cable with dual-layer by the protection customer Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 (L1, L2, L3, N, and PE) outdoor cable, M12 OT/DT terminals (L1, L2, L3, and N), and M10 OT/DT terminals (PE). Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Connecting The Pe Cable

    Connect the PE points of all solar inverters in the same array to ensure equipotential connections to PE cables. Procedure Step 1 Connect the PE cable to the PE point. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Opening The Maintenance Compartment Door

    ● Do not leave unused screws in the maintenance compartment. Procedure Step 1 Open the maintenance compartment door and install the support bar. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 Figure 5-7 Opening the maintenance compartment door Step 2 Remove the accessories and keep them properly. Figure 5-8 Removing the accessories Step 3 Select a crimping module according to the type of the AC output power cable. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Remove the corresponding rubber rings in strict accordance with the cable diameter, and ensure that the crimping module is not damaged. Otherwise the protection level of the solar inverter will be affected. Figure 5-10 Remove the rubber ring Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Optional) Installing The Power Cable Of The Tracking System

    5.6 Connecting an AC Output Power Cable Prerequisites ● A three-phase AC switch should be installed on the AC side of the solar inverter. To ensure that the solar inverter can safely disconnect itself from the Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 If a copper-clad aluminum cable is used, use copper wiring terminals. ● If an aluminum alloy cable is used, use copper-aluminum transition wiring terminals, or aluminum wiring terminals along with copper-aluminum transition spacers. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 Ensure that the aluminum sides of spacers are in contact with aluminum wiring terminals, and copper sides of spacers are in contact with the AC terminal block. Figure 5-13 Requirements for the OT/DT terminal Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 ● If a screw on the maintenance compartment door is lost, obtain the spare screw from the fitting bag tied at the bottom of the maintenance compartment. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 5 Electrical Connections Figure 5-15 Multi-core cable connections Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 5 Electrical Connections Figure 5-16 Single-core cable connections Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 (excluding the neutral wire) NO TE The cable colors shown in figures are for reference only. Select an appropriate cable according to the local standards. Figure 5-18 Closing the Maintenance Compartment Door ----End Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 60: Connecting Dc Input Power Cables

    In this case, an AC or DC short circuit may occur and damage the solar inverter. The caused device damage is not covered under any warranty. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 PV terminals from PV1 and PV19, and avoid connections to adjacent MPPTs if possible. If the number of PV inputs is 11 to 19, the DC input terminals are selected as follows. Figure 5-20 DC input terminal connections Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Remove some PV modules. Step 6 Insert the positive and negative connectors into the corresponding DC positive and negative input terminals of the solar inverter. Figure 5-21 Connecting DC input power cables Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 PV string connector along the axial direction to check whether the connectors are securely connected. ● The connector must be securely connected. Damages caused by improper connection are not covered under the warranty. Figure 5-23 DC input power cabling requirement Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 64: Connecting The Rs485 Communications Cables

    RS485B IN, RS485 RS485B OUT, RS485 such as the differential signal– differential signal– SmartLogger. Protection PE, shielding ground PE, shielding ground ground Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 When routing the communications cable, separate it from power cables to prevent communication from being affected. Connect the shield layer to the PE point. This section describes how to connect three communications cables. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 5 Electrical Connections Figure 5-25 Connecting RS485 communications cables (4–8 mm four-hole rubber plug) Figure 5-26 Connecting RS485 communications cables (4–8 mm two-hole or three-hole rubber plug) Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 67: Commissioning

    When LED2 is steady green (meaning that the inverter is grid-tied), do not turn on any DC switch. Otherwise, the inverter may be damaged because the insulation resistance is not detected. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 Step 4 Observe the LED indicators to check the SUN2000 operating status. Step 5 Perform quick settings on the SUN2000 app. For details, see 7.1 Operations with the SUN2000 App. ----End Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Man-Machine Interactions

    ● Over a USB data cable: The USB 2.0 port is supported. Use the USB data cable delivered with the mobile phone. ● Mobile phone operating system: Android 4.0 or later. ● Recommended phone brands: Huawei and Samsung. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 70: Downloading And Installing The App

    ● The parameter names, value ranges, and default values are subject to change. 7.1.2 Downloading and Installing the App ● FusionSolar app: Scan the QR code and download the latest installation package. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 71: Logging In To The App

    SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 7 Man-Machine Interactions ● SUN2000 app: Log in to Huawei AppGallery (https://appstore.huawei.com), search for SUN2000, and download the app installation package. You can also scan the QR code (https://appgallery.cloud.huawei.com/appdl/C10279542) to download the installation package. QR code: 7.1.3 Logging In to the App...
  • Page 72 USB access will not appear if you log in to the app again without removing the USB data cable. (Scenario in which the SUN2000 is connected to the FusionSolar hosting cloud) Run the FusionSolar app and access the Device Commissioning screen. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 7 Man-Machine Interactions Figure 7-3 Selecting a connection mode (with network access) Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 7 Man-Machine Interactions Figure 7-4 Selecting a connection mode (without network access) (Scenario in which the SUN2000 is connected to other management systems) Run the SUN2000 app and access the operation screen. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 ● If the device has been connected to the SmartLogger, the quick settings screen is not automatically displayed when the device is connected to the app. ● Set the correct grid code based on the application area and scenario of the solar inverter. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Setting Parameters

    Specifies whether to allow the inverter to automatically start recovery after the power grid recovers. Grid connection delay Specifies the time after which the inverter begins restarting after grid recovery (s) after the power grid recovers. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Setting Protection Parameters

    Grid reconnection frequency lower limit, the inverter is not allowed to reconnect to the grid. 7.1.4.2 Setting Protection Parameters Choose Settings > Protection parameters to set protection parameters. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 (ms) Level-1 underfrequency Specifies the level-1 grid underfrequency protection threshold. protection threshold (Hz) Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. Duration threshold for Specifies the level-1 grid underfrequency protection duration. level-1 underfrequency protection (ms) Active islanding Specifies whether to enable the active islanding protection...

  • Page 79: Setting Feature Parameters

    For example, if you set LVRT gradient K1 to 2, the increment of positive-sequence reactive current generated by the solar inverter is 20% of the rated current when the AC voltage decreases by 10% during LVRT. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 Sets LVRT mode. The options are Zero-current mode, Constant current mode, Reactive power priority mode, and Active power priority mode. LVRT characteristic Specifies the low voltage ride- curve through capability of the device. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 For example, if you set HVRT gradient K1 to 2, the increment of positive-sequence reactive current generated by the solar inverter is 20% of the rated current when the AC voltage increases by 10% during HVRT. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 10% of the rated current during high/low voltage ride-through. Power quality If this parameter is set to Enable, optimization mode the inverter output current harmonics will be optimized. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 ● When PV strings connect to one another in parallel outside the inverter and then connect to it independently (All PV strings connected), set this parameter to All PV strings connected. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 MBUS For inverters that support RS485 communication communication and MBUS communication, you are advised to set this parameter to Disable to reduce power consumption. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 Quick startup for Specifies whether to allow the short-time grid device to quickly start after the disconnection power grid recovers from a short- time failure. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 86: Setting Power Adjustment Parameters

    Smax_limit, this parameter is capacity requirements of standard not displayed. and customized inverters. Maximum active Specifies the output upper power (kW) threshold for the maximum active power to adapt to different market requirements. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 Enable. be derated when the power grid ● When setting this frequency exceeds a certain value. parameter, ensure that the following condition is met: Quit frequency of Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 SmartLogger or Smart Dongle. to Enable. Active power mode Specifies the protection threshold when of the active power after communication communication is interrupted. fails The value can be a percentage or a fixed value. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Underfrequency rise underfrequency rise power is set to Enable. power (%/min) Cutoff frequency of Specifies the frequency threshold underfrequency rise for stopping underfrequency- power (Hz) caused raising. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 90: Optional) Installing A Smart Dongle

    P/Pn (%). 7.2 (Optional) Installing a Smart Dongle Communication parameters have been set for the solar inverter. Step 1 Install the SIM card. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Upgrading The Inverter

    Step 2 Decompress the upgrade package and copy all files to the root directory of the USB flash drive. NO TICE Do not modify the content in the upgrade package because the files involve RSA signature verification. If you modify the content, the upgrade will fail. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 After the restart, the indicator is blinking green slowly for 1 minute and then it becomes steady green, which indicates that the upgrade is successful. ----End Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 93: Maintenance

    Step 3 Set all DC switches to OFF. ----End 8.2 Power-Off for Troubleshooting Context To prevent personal injury and equipment damage, perform the following procedure to power off the solar inverter for troubleshooting or replacement. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 AC terminal block. Ensure that the AC side of the solar inverter is disconnected. Step 6 Turn off all DC input switches of the solar inverter. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 95: Routine Maintenance

    ● If you need to open the maintenance compartment door in rainy or snowy days, take protective measures to prevent rain or snow from entering the maintenance compartment. If unavoidable, do not open the maintenance compartment door. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 6 to 12 months. Clear vegetation ● Perform inspection and weeding Based on the local around the as required. wilting season inverters ● Clean the site promptly after weeding. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 97: Troubleshooting

    Minor: Some components are faulty without affecting the grid-tied power generation. ● Warning: The solar inverter works properly. The output power decreases or some authorization functions fail due to external factors. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 If yes, wait connected. until the solar irradiance declines at night and the PV string current drops below 0.5 A. Then, turn off the DC switches and correct the PV string connection. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 Then, turn off the DC switches and add more PV modules. 2. Check whether the PV string is shaded. 3. Check whether the open- circuit voltage of the PV string is normal. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 PV string is lost; both 2- string terminals are in-1 PV strings are lost; one of the properly connected. 2-in-1 PV strings is lost. 3. If a 2-in-1 terminal is used, check whether it is normal. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 3. If the fault persists for a long time, check the AC circuit breaker and AC output power cable. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 If the AC output power cable is correctly connected, yet the alarm persists and affects the energy yield of the PV plant, contact the local power operator. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 If yes, log in to the mobile phone app, SmartLogger, or NMS to modify the power grid underfrequency protection threshold with the consent of the local power operator. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 Compone solar inverter inverter output current exceeds automatically recovers the specified upper threshold. Overhigh after the fault is rectified. 2. If the alarm occurs frequently, contact your dealer or technical support. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 105 3. If you are sure that the impedance is less than the default value in a cloudy or rainy environment, reset Insulation resistance protection. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Cause ID = 1 1. Apply for a new license. Expired 1. The privilege license has 2. Load a new license. entered the grace period. 2. The privilege feature will be invalid soon. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 PV array output and the ground. If a short circuit occurs or the insulation is insufficient, rectify the fault. 2. If the fault persists, contact your dealer or technical support. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 If the fault persists after 5 minutes, contact your dealer or technical support for replacement. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 ON position, press the reset buttons of all DC switches inwards until they cannot be moved further, and then turn on the DC switches again. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 110: Replacing A Fan

    Figure 8-3 Pulling out fan tray (1) Step 2 Remove the cable ties shared by the cables, unscrew the connectors, and disconnect the cables. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 Step 4 Remove cable ties from the faulty fan. ● FAN 1 Faulty Figure 8-6 Removing the FAN 1 cable ties ● FAN 2 Faulty Figure 8-7 Removing the FAN 2 cable ties ● FAN 3 Faulty Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 Binding positions for fan 1 Figure 8-11 Binding the FAN 1 cables ● Binding positions for fan 2 Figure 8-12 Binding the FAN 2 cables ● Binding positions for fan 3 Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 Step 9 Connect the cables correctly according to the cable labels and bind the cables. Figure 8-15 Reconnecting and binding the cables Step 10 Push the fan tray into the slot and tighten the screw. Figure 8-16 Reinstalling the fan tray ----End Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 114: Resetting And Turning On The Dc Switch

    Step 2 Set the DC switches to ON. Step 3 Tighten the caps of the RESET buttons. Figure 8-17 Resetting and turning on the DC switch (DC SWITCH 1 is used as an example) ----End Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 115: Handling The Inverter

    9.3 Disposing of the SUN2000 If the SUN2000 service life expires, dispose of it according to the local disposal rules for electrical equipment waste. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 116: Technical Specifications

    540–800 V (380 540–800 V (380 540–800 V (415 voltage range V) and 625–850 V/400 V) V/400 V) and V) and 625–850 V (480 V) 625–850 V (480 V (480 V) Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 117 139.2 A (415 V), current and 138.4 A (480 and 158.8 A (400 144.4 A (400 V) 120.3 A (480 V) and 120.3 A (480 Rated grid 50 Hz/60 Hz frequency Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 118 SUN2000-100KTL- SUN2000-100KT L-INM2 AFCI Supported Input DC Supported switch Anti- Supported islanding protection Output Supported overcurrent protection Input Supported reverse connection protection PV string Supported fault detection DC surge Supported protection Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 L-M2 -INM2 Dimensions 1035 mm×700 mm×365 mm (W x H x D) Net weight ≤93 kg Operating temperatur –25ºC to +60ºC Cooling Intelligent air cooling mode Highest 4000 m operating altitude Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 10 Technical Specifications Item SUN2000-115KTL- SUN2000-110KTL- SUN2000-100KT SUN2000-100KTL L-M2 -INM2 Relative 0%–100% RH humidity Input Amphenol Helios H4 terminal Output Crimping module + OT/DT terminal terminal IP rating IP66 Topology Transformerless Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 121: A Grid Codes

    Bulgaria power Supported Supported grid VDE 0126-1-1- Greece mainland Supported Supported GR(A) power grid VDE 0126-1-1- Greece island Supported Supported GR(B) power grid BDEW-MV Germany medium- Supported Supported voltage power grid Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 122 Supported Supported CEI0-16 Italy power grid Supported Supported CHINA-MV China medium- Supported Supported Supported voltage power grid TAI-PEA Thailand PEA Supported Supported power grid TAI-MEA Thailand MEA Supported Supported power grid Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 123 Philippines Philippines low- Supported Supported voltage power grid Philippines-MV480 Philippines Supported Supported medium-voltage power grid AS4777-MV480 Australia medium- Supported Supported voltage power grid NRS-097-2-1 South Africa power Supported Supported grid Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 124 PO12.3 Spain low-voltage Supported Supported power grid CEI0-21-MV480 Italy medium- Supported Supported voltage power grid KOREA-MV480 South Korea Supported Supported medium-voltage power grid Egypt ETEC Egypt low-voltage Supported Supported power grid Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 125 Chile Chile low-voltage Supported Supported power grid Chile-MV480 Chile medium- Supported Supported voltage power grid Mexico-MV480 Mexico medium- Supported Supported voltage power grid Malaysian Malaysia low- Supported Supported voltage power grid Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 126 Jordan- Jordan power Supported Supported Distribution distribution network low- voltage power grid Jordan- Jordan power Supported Supported Distribution- distribution MV480 network medium- voltage power grid NAMIBIA_MV480 Namibia power Supported Supported grid Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 127 Chile-PMGD Chile PMGD power Supported Supported grid Chile-PMGD- Chile PMGD power Supported Supported MV480 grid VDE-AR- VDE4120 standard Supported Supported N4120_HV power grid VDE-AR- VDE4120 standard Supported Supported N4120_HV480 power grid Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 128 Supported Supported MV480 medium-voltage power grid BAHRAIN Bahrain low- Supported Supported voltage power grid BAHRAIN-MV480 Bahrain medium- Supported Supported voltage power grid Fuel_Engine_Grid Diesel generator Supported Supported Supported hybrid power grid Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 129 Supported power grid EN50549-MV400 Ireland power grid Supported Supported VDE-AR-N4110 Germany medium- Supported Supported voltage power grid VDE-AR-N4110- Germany medium- Supported Supported MV480 voltage power grid Spain power grid Supported Supported Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 130 GREG030-MV440 Colombia Supported Supported medium-voltage power grid GREG030-MV480 Colombia Supported Supported medium-voltage power grid PORTUGAL Portugal low- Supported Supported voltage power grid PORTUGAL-MV480 Portugal medium- Supported Supported voltage power grid Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 131 AS4777_A-LV230 grid AUSTRALIA- Australia power Supported Supported AS4777_B-LV230 grid AUSTRALIA- Australia power Supported Supported AS4777_C-LV230 grid AUSTRALIA- Australia power Supported Supported AS4777_NZ-LV230 grid INVALID GRID Invalid grid code Supported Supported CODE Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 132: B Resetting Password

    10 minutes, all parameters of the inverter remain unchanged.) ----End NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 133: C Domain Name Of The Management System

    The list is subject to change. Table C-1 Domain names of management systems Domain Name Data Type Scenario intl.fusionsolar.huawei.com Public IP address FusionSolar hosting cloud NOTE The domain name is compatible with cn.fusionsolar.huawei.com (Chinese mainland). Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 134: D Acronyms And Abbreviations

    SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual D Acronyms and Abbreviations Acronyms and Abbreviations light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking photovoltaic RCMU residual current monitoring unit Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

This manual is also suitable for:

Sun2000-115ktl-m2Sun2000-110ktl-m2Sun2000-100ktl-m2Sun2000-100ktl-inm2

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