Huawei SUN2000-100KTL Series User Manual
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Huawei SUN2000-100KTL Series User Manual

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SUN2000-(100KTL, 110KTL, 125KTL) Series
User Manual
Issue
07
Date
2020-09-15
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-100KTL Series

  • Page 1 SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual Issue Date 2020-09-15 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 4.5 Installing a Solar Inverter. Updated 5.2 Preparing Cables. Updated 5.6 Connecting an AC Output Power Cable. Updated 5.7 Connecting DC Input Power Cables. Updated 5.8 Connecting the RS485 Communications Cable. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 Added C Domain Name List of Management Systems. Issue 02 (2019-08-09) Added the SUN2000-110KTL-M0, SUN2000-100KTL-M0, SUN2000-100KTL-M1, and SUN2000-100KTL-INM0 models. Issue 01 (2019-05-15) This issue is used for first office application (FOA). Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 6: Table Of Contents

    4.3 Determining the Installation Position..........................26 4.4 Installing the Mounting Bracket............................31 4.4.1 Support-mounted Installation............................31 4.4.2 Wall-mounted Installation............................. 32 4.5 Installing a Solar Inverter..............................34 5 Electrical Connections......................39 5.1 Precautions....................................39 5.2 Preparing Cables................................... 39 Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 8.3 Routine Maintenance................................ 106 8.4 Troubleshooting.................................. 108 8.5 Replacing a Fan................................... 120 9 Handling the Inverter......................124 9.1 Removing the SUN2000..............................124 9.2 Packing the SUN2000............................... 124 9.3 Disposing of the SUN2000.............................. 124 Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 8 SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual Contents 10 Technical Specifications....................125 A Securing Y-Branch Connectors..................130 B Grid Code..........................133 C Domain Name List of Management Systems...............139 D Acronyms and Abbreviations................... 140 Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Maintenance And Replacement

    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 10 Follow local laws and regulations when installing, operating, or maintaining the equipment. The safety instructions in this document are only supplements to local laws and regulations. Huawei will not be liable for any consequences of the following circumstances: ● Operation beyond the conditions specified in this document ●...

  • Page 11: Personnel Requirements

    Do not touch the energized equipment, as the enclosure is hot. 1.3 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 12: Installation Environment Requirements

    ● Do not expose the equipment to flammable or explosive gas or smoke. Do not perform any operation on the equipment in such environments. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Commissioning

    Ensure that your body's center of gravity does not shift outside the legs of the ladder. Drilling Holes When drilling holes into a wall or floor, observe the following safety precautions: Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Overview

    Overview 2.1 Product Model Model Description NO TICE The SUN2000-125KTL-M0, SUN2000-110KTL-M0, and SUN2000-100KTL-M0 are applicable only to the Chinese mainland. For other countries or regions, Huawei does not provide quality assurance. This document covers the following product models: ● SUN2000-125KTL-M0 ●...
  • Page 16 You can obtain the solar inverter model from the model label on the external package and the nameplate on the side of the enclosure. Figure 2-2 Position of the model label on the external package (1) Position of the model label Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Overview

    ● Smart air cooling: Adjusts the fan speed based on the ambient temperature and load to ensure the service life of fans and avoid frequent maintenance. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 Supported Power Grids ● SUN2000-110KTL-M0, SUN2000-100KTL-M0, SUN2000-100KTL-M1 and SUN2000-100KTL-INM0 solar inverters support the TN-S, TN-C, TN-C-S, TT, and IT power grids. ● The SUN2000-125KTL-M0 supports only the IT power grid. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 20: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Product Appearance

    According to Australian standards, the screws for DC switches are delivered with SUN2000s. The screws are used to secure DC switches (DC SWITCH 1, DC SWITCH 2, and DC SWITCH 3) to prevent them from being turned on by mistake. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 Figure 2-7 Dimensions Wiring Area Figure 2-8 Wiring port of a 3-pin model (SUN2000-125KTL-M0) (1) DC input terminals (2) RS485 port (3) Ground point on the enclosure (4) AC terminal block (3-pin) Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Indicator Status

    Slowly: On for 1s and then Off for 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 24 SUN2000 app. ● If the PV connection indicator and grid connection indicator are both not blinking green fast, replace components or the solar inverter as instructed by the SUN2000 app. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual 2 Overview Figure 2-11 Schematic diagram of a 3-pin model Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Working Modes

    SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual 2 Overview Figure 2-12 Schematic diagram of 4-pin models 2.5.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 ● If the SUN2000 detects a fault or a shutdown command, it enters the Shutdown mode. ● The SUN2000 enters Standby mode after detecting that the PV string output power is not suitable for connecting to the power grid for generating power. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 ● 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 30: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 Figure 3-2 Maximum number of pile-up 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 32: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Tools

    (head: M3) Installation tools Utility knife Cable cutter Crimping tool RJ45 crimping (model: PV- tool CZM-22100) Open-end Vacuum cleaner Multimeter (DC Marker wrench (model: voltage PV-MS-HZ) measurement range ≥ 1100 V Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Determining The Installation Position

    Install the inverter in a well-ventilated environment for heat dissipation ● If the inverter is installed in an airtight environment, a heat dissipation device or ventilation device must be installed to ensure that the indoor ambient Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 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 36 Do not install the solar inverter at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-3 Angle Installation Dimensions Requirements Reserve enough space around the solar inverter for installation and heat dissipation. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 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 4-5 Horizontal installation mode (recommended) Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual 4 Installation Figure 4-6 Triangle installation mode (recommended) Figure 4-7 Stacked installation mode (not recommended) Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 39: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 Otherwise, the mounting bracket will not be securely installed on the wall. Step 3 Secure the mounting bracket. Figure 4-11 Installing the mounting bracket ----End Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: 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 4-13. Figure 4-12 Positions for installing the handles (A) Transportation scenario (B) Installation scenario Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Step 1 Lift the solar inverter from the packing case and move it to the installation position. Figure 4-14 Taking out the solar inverter Step 2 (Optional) Install screws for locking DC switches. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 NO TICE Hoist the solar inverter with care to protect it from colliding with the wall or other objects. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 Step 5 Install the solar inverter on the mounting bracket and align the solar inverter enclosure with the mounting bracket. Figure 4-18 Mounting the solar inverter Step 6 Secure the solar inverter. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual 4 Installation Figure 4-19 Tightening security Torx screws ----End Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 (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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 SDongle is installed. SmartLogger The solar inverter communicates with Purchased from the management system through the Huawei SmartLogger. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 The solar inverter has an RCMU inside. Its external AC switch should be a three- phase circuit breaker or other AC load circuit breakers to safely disconnect the solar inverter from the power grid. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 PE cable contained in the multi-core AC power cable. Tracking Three-core outdoor 15–18 mm Prepared 10 mm system power copper cable with dual- by the cable layer protection customer Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 ● The cable diameter must comply with local cable standards. ● The factors that affect cable selection include the rated current, cable type, routing mode, ambient temperature, and maximum expected line loss. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 PE cable contained in the multi-core AC power cable. Tracking Three-core outdoor 15–18 mm Prepared 10 mm system power copper cable with dual- by the cable layer protection customer Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 (L1, L2, L3, N, and PE) outdoor cable, M12 OT/DT terminals (L1, L2, L3, and N), and M10 OT/DT terminals (PE). Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 57: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Opening The Maintenance Compartment Door

    If unavoidable, do not open 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Optional) Installing The Power Cable Of The Tracking System

    Step 1 Prepare a cable. Step 2 Remove the corresponding rubber rings. Step 3 Connect the power cable of the tracking system. Figure 5-11 Connecting the power cable of the tracking system ----End Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: Connecting An Ac Output Power Cable

    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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Step 3 Secure the AC output power cable and PE cable. Step 4 Install the support bar. Step 5 Close the maintenance compartment door and tighten the two screws on the door. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 ● 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. Figure 5-16 Multi-core cable connections Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual 5 Electrical Connections Figure 5-17 Single-core cable connections Figure 5-18 3-pin model (125KTL) cable connections (A) Four-core cable (B) Three-core cable (C) Single-core cable Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 (F) Single-core cable (excluding the neutral wire) neutral wire) NO TE The cable colors shown in figures are for reference only. Select an appropriate cable according to the local standards. ----End Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 PV1–PV4, PV6, PV8, PV10, PV1–PV4, PV6, PV8, PV10, PV12, PV14, PV16, and PV12, PV14, and PV16– PV18–PV20 PV20 PV1–PV6, PV8, PV10, PV12, PV1–PV6, PV8, PV10, PV12, PV14, and PV16–PV20 and PV14–PV20 Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 Wiring Description of Y-branch Connectors NO TICE ● Y-branch connectors can be purchased from Huawei or the manufacturers based on the following recommended models: If the rated current of the fuse of the Y-branch connector is 15 A, the recommended model is 904095944 (Luxshare) or A040959443039 (Comlink);...
  • Page 71 MPPT1, MPPT2, MPPT3, MPPT1, MPPT2, MPPT3, MPPT5, MPPT6, MPPT7, MPPT4, MPPT5, MPPT6, MPPT8, MPPT9, and MPPT7, MPPT8, MPPT9, MPPT10 and MPPT10 Figure 5-21 Connecting Y-branch connectors to the PV strings (recommended) Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 Use the Staubli MC4 connectors delivered with the solar inverter. If the PV connectors are lost or damaged, purchase the connectors of the same model. The device damage caused by incompatible PV connectors is beyond the warranty scope. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 PV string current reduces to below 0.5 A. Then, turn off the three DC switches, remove the positive and negative connectors, and rectify the connection of the DC input power cable. ----End Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: Connecting The Rs485 Communications Cable

    RS485B IN, RS485 RS485B OUT, RS485 such as the differential signal– differential signal– SmartLogger. Protection PE, shielding ground PE, shielding ground ground Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual 5 Electrical Connections Figure 5-26 Connecting RS485 communications cables (4–8 mm four-hole rubber plug) Figure 5-27 Connecting RS485 communications cables (4–8 mm two-hole or three-hole rubber plug) Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Commissioning

    AC position to check that the AC voltage is within the specified range. ● 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Step 4 1Check the status of the PV connection indicator. If it is steady green, set DC SWITCH 2 and DC SWITCH 3 to ON. Step 5 Perform quick settings on the SUN2000 app. For details, see 7.1 Operations with App. ----End Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 80: Downloading And Installing The App

    7.1.2 Downloading and Installing the App ● FusionSolar app: Log in to Google Play, search for FusionSolar, and download the app installation package. You can also scan the QR code to download the installation package. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Logging In To The App

    SUN2000-(100KTL, 110KTL, 125KTL) Series 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://solar.huawei.com/~/media/Solar/APP/ SUN2000.apk) to download the installation package.
  • Page 82 (Scenario in which the SUN2000 is connected to the FusionSolar hosting cloud) Run the FusionSolar app and access the Device Commissioning screen. Figure 7-3 Selecting a connection mode (with network access) Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 Run the SUN2000 app and access the operation screen. Figure 7-5 Selecting a connection method Step 2 Select a login user and enter the login password to access the quick settings screen or the main menu screen. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 ● To set SUN2000 basic parameters on the quick settings screen, switch to Advanced User. If you log in as Common User or Special User, enter the password of the advanced user to access the Quick Settings screen. Figure 7-6 Login Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Operations Related To The Advanced User

    DC side and the connection to the power grid. ----End 7.1.4.2 Setting Protection Parameters Procedure Step 1 Choose Settings > Protection parameters to set protection parameters. Figure 7-8 Protection parameters Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 86: Setting Feature Parameters

    If the detected value is less than the preset value, the SUN2000 does not export power to the power grid. ----End 7.1.4.3 Setting Feature Parameters Procedure Step 1 Choose Function Menu > Settings > Feature Parameters, and set feature parameters. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 The scanning interval is set by MPPT multi-peak scanning interval. MPPT multi-peak scanning Specifies the MPPT multi-peak scanning interval. interval (min) This parameter is displayed only when MPPT multi-peak scanning is set to Enable. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 – When PV module type is set to CPV 2, the solar inverter can quickly restart in 10 minutes if the input power of PV modules drops drastically due to shading. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 This parameter is displayed when Automatic OFF due to communication interrupted is set to Enable. Communication interruption Specifies the duration for determining communication duration (min) interruption. Used for automatic shutdown for protection in case of communication interruption. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 90: Built-In Pid Recovery

    PID repair function will be affected and electric shocks may occur. Working Principle When the SUN2000 is disconnected from the network, the built-in PID can repair the PV– positive offset. (PV– positive offset refers to raising the voltage between Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 PV module is the PV– positive offset. Otherwise, PV modules may be damaged. Procedure Step 1 ChooseSettings > Feature Parameters. The parameter setting screen is displayed. Figure 7-10 Built-in PID Recovery Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 92: Afci

    Function If PV modules or cables are not properly connected or damaged, electric arcs may occur, which may cause fire. Huawei SUN2000s provide unique arc detection in compliance with UL 1699B-2018 to ensure the safety of users' lives and property.
  • Page 93 Switch to the owner account with PV plant management rights. On the home page, click the PV plant name to go to the PV plant page, and click OK as prompted to clear the alarm. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 94: Operations Related To The Special User

    Ensure that the DC side of the SUN2000 is energized before setting grid parameters, protection parameters, feature parameters, and grid adjustment parameters. 7.1.5.1 Setting Grid Parameters Procedure Step 1 Choose Function Menu > Settings > Grid Parameters and set grid parameters. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 Specifies whether to allow the SUN2000 to automatically start recovery after the power grid recovers. Grid connected recovery time Specifies the waiting time for SUN2000 restart after the power from grid faults (s) grid recovers. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 96: Setting Protection Parameters

    Specifies the voltage threshold for exiting reactive power (cosφ-P) exit voltage (%) compensation based on the cosφ-P curve. ----End 7.1.5.2 Setting Protection Parameters Procedure Step 1 Choose Function Menu > Settings > Protection Parameters and set protection parameters. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 Specifies the solar inverter protection threshold when the threshold (%) power grid voltage is unbalanced. 10-min overvoltage protection Specifies the 10-minute overvoltage protection threshold. threshold (V) 10-min overvoltage protection Specifies the 10-minute overvoltage protection duration. duration (ms) Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 98: Setting Feature Parameters

    (ms) NOTE N can be 1, 2, 3, 4, or 5. ----End 7.1.5.3 Setting Feature Parameters Procedure Step 1 Choose Function Menu > Settings > Feature Parameters, and set feature parameter Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 SUN2000 cannot disconnect from the power grid immediately and has to work for some time. This is called LVRT. LVRT triggering threshold (V) Specifies the threshold for triggering LVRT. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 This is called high voltage ride-through (HVRT). HVRT triggering threshold (V) Specifies the threshold for triggering HVRT. The threshold settings should meet the local grid standard. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 Specifies the duration for determining communication duration (min) interruption. Used for automatic shutdown for protection in case of communication interruption. Soft start time (s) Specifies whether to enable the active islanding protection function. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 102: Setting Power Adjustment Parameters

    Sets the communication mode between the master and slave servers in SDongle scenarios. ----End 7.1.5.4 Setting Power Adjustment Parameters Procedure Step 1 Choose Function Menu > Settings > Power adjustment and set power adjustment parameters. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 Schedule instruction valid Adjusts the time for maintaining the scheduling command. duration (s) Maximum active power (kW) Specifies the output upper threshold for the maximum active power to adapt to different market requirements. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 Specifies the time for filtering the grid voltage in the PF-U time (s) curve. Apparent power baseline (kVA) Adjust the apparent output baseline of the inverter. Active power baseline (kW) Adjusts the active output baseline of the inverter. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Optional) Installing A Smart Dongle

    ● When removing the SIM card, push it inward to eject it. ● When reinstalling the cover of the Smart Dongle, ensure that the buckle springs back in place. Step 2 Secure the Smart Dongle. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 106: Operations With A Usb Flash Drive

    Step 2 Import the boot script file to a PC. (Optional) The boot script file can be opened as a .txt file, as shown in Figure 7-19. Figure 7-19 Boot script file Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 An operation with a USB flash drive has failed. Steady green An operation with a USB flash drive is successful. Step 5 Insert the USB flash drive into a computer and check the exported data. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 108: Importing Configurations

    Verify that the ciphertext in the boot script file matches the login password of the SUN2000 app. If they do not match and you insert the USB flash drive for five consecutive times, the user account will be locked for 10 minutes. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 109: Exporting Data

    Verify that the ciphertext in the boot script file matches the login password of the SUN2000 app. If they do not match and you insert the USB flash drive for five consecutive times, the user account will be locked for 10 minutes. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 110: Upgrading

    Step 7 Connect the USB flash drive to the USB port. The system automatically identifies the USB flash drive and executes all commands specified in the boot script file. View the LED indicator to determine the operating status. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 112: Maintenance

    Step 3 Set all DC switches to OFF. NO TE For the SUN2000-90KTL-H2, lock the DC switch using the saved screw after turning on it. Step 4 (Optional) Install screws for locking DC switches. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 113: Power-Off For Troubleshooting

    SUN2000 app, SmartLogger, or management system. If the solar inverter has shut down due to a fault, go to the next step. Step 3 Turn off the AC switch between the solar inverter and the power grid. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 114: Routine Maintenance

    ----End 8.3 Routine Maintenance To ensure that the solar inverter can operate properly for a long term, you are advised to perform routine maintenance on it as described in this chapter. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 Grounding Ground cables are securely The first inspection is reliability connected. 6 months after the initial commissioning. From then on, the interval can be 6 to 12 months. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 116: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 117 If yes, wait until connected. 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 118 0.5 A. 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 (NMS) to modify the grid undervoltage protection threshold with the consent of the local power operator. 3. If the fault persists for a long time, check the AC circuit breaker and AC output power cable. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 121 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 122 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 123 Overhig rectified. 2. If the alarm occurs frequently, contact your dealer or Huawei technical support. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 124 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 125 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 126 PV array output and the ground. If a short circuit occurs or the insulation is insufficient, rectify the fault. 2. If the alarm persists, contact your dealer or Huawei technical support. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 127 Huawei technical support. NO TE If you cannot rectify faults with the measures listed in the Suggestions column, contact your dealer or Huawei technical support. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 128: Replacing A Fan

    Figure 8-4 Pulling out fan tray (1) Step 2 Remove the cable ties shared by the cables, unscrew the connectors, and disconnect the cables. Figure 8-5 Disconnecting cables Step 3 Pull out the fan tray. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 129 Figure 8-8 Removing the FAN 2 cable ties ● FAN 3 Faulty Figure 8-9 Removing the FAN 3 cable ties Step 5 Remove the faulty fan (FAN 1 is used as an example). Figure 8-10 Removing the fan Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 130 Binding positions for fan 3 Figure 8-14 Binding the FAN 3 cables Step 8 Push the fan tray into the slot until the fan baffle plate aligns with the inverter chassis. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 131 Step 9 Connect the cables correctly according to the cable labels and bind the cables. Figure 8-16 Reconnecting and binding the cables Step 10 Push the fan tray into the slot and tighten the screw. Figure 8-17 Reinstalling the fan tray ----End Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 132: 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 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 133: Technical Specifications

    98.6% (480 V) 98.6% (480 Input Item SUN2000-12 SUN2000-11 SUN2000-10 SUN2000-100KT SUN2000-10 5KTL-M0 0KTL-M0 0KTL-M0 L-M1 0KTL-INM0 Maximum 1100 V input voltage Operating 200–1000 V voltage range Minimum 200 V startup voltage Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 134 100 kW power Maximum 137.5 kVA 121 kVA 110 kVA 110 kVA 110 kVA apparent power Maximum 137.5 kW 121 kW 110 kW 110 kW 110 kW active power (cosφ = 1) Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 135 If no neutral wire is used, set Output mode to Three-phase three-wire. If the neutral wire is used, set the Output mode to Three-phase four-wire. Protection Item SUN2000-12 SUN2000-11 SUN2000-10 SUN2000-100KT SUN2000-10 5KTL-M0 0KTL-M0 0KTL-M0 L-M1 0KTL-INM0 AFCI Optional Optional recovery Input DC Supported switch Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 136 Display and Communication Item SUN2000-12 SUN2000-11 SUN2000-10 SUN2000-100KT SUN2000-10 5KTL-M0 0KTL-M0 0KTL-M0 L-M1 0KTL-INM0 Display LED indicators, WLAN module + app, Bluetooth module + app, USB data cable + Communica MBUS/RS485 tion Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 137 Cooling Intelligent air cooling mode Highest 4000 m operating altitude Relative 0%–100% RH humidity Input Staubli MC4 terminal Output Crimping module + OT/DT terminal terminal IP rating IP66 Topology Transformerless Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 138: A Securing Y-Branch Connectors

    Prepare a tray based on the base size of the solar inverter and the cabling of the Y-branch connectors. ● Material: outdoor corrosion-resistant material ● Bearing capacity: ≥ 10 kg Figure A-1 Recommended dimensions Step 1 Install a tray. Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 139 Method 2: Using a Beam Prepare a beam based on the base size of the solar inverter and the cabling of the Y-branch connectors. ● Material: outdoor corrosion-resistant material ● Bearing capacity: ≥ 10 kg Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 140 A Securing Y-Branch Connectors Figure A-4 Recommended dimensions Step 1 Install a beam. Figure A-5 Installing a beam Step 2 Bind the Y-branch connectors on the beam. Figure A-6 Binding Y-branch connectors ----End Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 141: B Grid Code

    UTE C France Supported 15-712-1(A) continent UTE C France Supported 15-712-1(B) islands UTE C France Supported 15-712-1(C) islands Bulgaria Supported 0126-1-1- Greece Supported 0126-1-1- continent GR(A) Greece Supported 0126-1-1- islands GR(B) Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 142 Supported Supported Supported Supported Custom (60 Reserved Supported Supported Supported Supported CEI0-16 Italy Supported CHINA-MV China MV Supported Supported TAI-PEA Thailand PEA Supported TAI-MEA Thailand Supported BDEW- Germany MV Supported MV480 Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 143 Supported MV480 KOREA South Korea Supported IEC61727-60 IEC 61727 LV Supported Supported (60 Hz) IEC61727-60 IEC 61727 Supported Supported Hz-MV480 MV (60 Hz) CHINA_MV5 China MV Supported ANRE Romania LV Supported Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 144 ABNT NBR Brazil MV Supported 16149- MV480 INDIA India LV Supported INDIA- India MV Supported MV500 Malaysian Malaysia LV Supported Malaysian- Malaysia MV Supported MV480 Northern Northern Supported Ireland Ireland LV Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 145 NL-MV480 Fuel_Engine DG-grid Supported Supported _Grid hybrid Fuel-Engine- DG-grid Supported Supported Grid-60Hz hybrid EN50438-SE Sweden LV Supported Pakistan Pakistan Supported Pakistan- Pakistan MV Supported MV480 G99-TYPEA- Supported G99_TypeA_L G99-TYPEB- Supported G99_TypeB_L Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 146 INM0 Standard/ Other) G99-TYPEB- Supported G99_TypeB_H G99-TYPEB- Supported HV-MV480 G99_TypeB_H V MV EN50549- Ireland Supported MV400 VDE-AR- Germany 230 Supported Supported N4110 V MV VDE-AR- Germany MV Supported Supported N4110- MV480 Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 147: C Domain Name List Of Management Systems

    The list is subject to change. Table C-1 Domain names of management systems Domain Name Data Type Scenario intl.fusionsolar.huawei.co Public IP address FusionSolar hosting cloud NOTE The domain name is compatible with cn.fusionsolar.huawei.com (Chinese mainland). Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 148: D Acronyms And Abbreviations

    D Acronyms and Abbreviations Acronyms and Abbreviations California Energy Commission Concentrated Photovoltaics technology light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 149 SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual D Acronyms and Abbreviations RCMU residual current monitoring unit WEEE waste electrical and electronic equipment Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

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