Huawei SUN2000-90KTL Series User Manual
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Huawei SUN2000-90KTL Series User Manual

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SUN2000-(90KTL, 95KTL, 100KTL, 105KTL)
Series
User Manual
Issue
10
Date
2020-03-28
HUAWEI TECHNOLOGIES CO., LTD.

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Table of Contents

Troubleshooting

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Summary of Contents for Huawei SUN2000-90KTL Series

  • Page 1 SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series User Manual Issue Date 2020-03-28 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

    NOTICE is used to address practices not related to personal injury. Supplements the important information in the main text. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 5.8 (Optional) Installing the Power Cable of the Tracking System. Issue 04 (2018-10-23) Updated 2.2 Product Introduction. Updated 10 Technical Data. Issue 03 (2018-07-23) Added description about the SUN2000-90KTL-H2, SUN2000-95KTL-INH1, SUN2000-100KTL-H2, and SUN2000-105KTL-H1 models. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series User Manual About This Document Issue 02 (2018-06-23) Updated 10 Technical Data. Issue 01 (2018-05-17) This issue is used for first office application (FOA). Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 6: Table Of Contents

    4.4 Installing the Mounting Bracket ..........................32 4.4.1 Support-Mounted Installation ..........................32 4.4.2 Wall-Mounted Installation ............................33 4.5 Installing the SUN2000 .............................. 34 5 Electrical Connections ........................ 39 5.1 Precautions .................................. 39 5.2 Preparing Cables ................................. 39 Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 8.3 Routine Maintenance ..............................96 8.4 Troubleshooting ................................98 9 Handling the Inverter ....................... 105 9.1 Removing the SUN2000 ............................105 9.2 Packing the SUN2000 ............................... 105 9.3 Disposing of the SUN2000 ............................105 Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 8 10.1 SUN2000-(90KTL, 95KTL) Series Technical Data ....................106 10.2 SUN2000-(100KTL, 105KTL) Series Technical Data.................... 109 A Domain Name List of Management Systems ..............113 B Grid Codes ..........................114 C Acronyms and Abbreviations ....................121 Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Safety Precautions

    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: 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 11: Electrical Safety

     Before making electrical connections, switch off the disconnector on the upstream device to cut off the power supply if people may contact energized components. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Installation Environment Requirements

    Ensure that the ladder is securely positioned. The recommended angle for a ladder against the floor is 75 degrees, as shown in the following figure. An angle rule can be used to measure the angle. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Commissioning

    When the equipment is powered on for the first time, ensure that professional personnel set parameters correctly. Incorrect settings may result in inconsistency with local certification and affect the normal operation of the equipment. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Maintenance And Replacement

    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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Overview

     SUN2000-100KTL-H2  SUN2000-105KTL-H1 The products look alike. The SUN2000-95KTL-INH0 is used as an example. Figure 2-1 Model number Table 2-1 Model number description Meaning Description Product SUN2000: grid-tied PV inverter Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 You can query the SUN2000 number by the model label on the external package and the nameplate on the side of the enclosure. Figure 2-2 Label position on the external package (1) Position of the model label Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Product Introduction

    Six independent maximum power point tracking (MPPT) circuits and 12 PV string inputs: Supports the flexible configuration of 2+2+2+2+2+2 strings.  12 routes of high-precision smart PV string monitoring: Help identify and rectify exceptions timely. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 (E) Power grid The SUN2000 is powered by a dedicated power transformer instead of connecting to low voltage overhead power lines. Supported Power Grid The SUN2000 supports the IT power grid. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 The SUN2000 can also apply to the AC power system with the neutral point grounding of the step-up transformer. The SUN2000 itself does not connect to any neutral wire. Figure 2-6 AC power system with the neutral point grounding Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Product Appearance

    2 Overview 2.3 Product Appearance 2.3.1 Appearance Front View Figure 2-7 Front view (1) Maintenance compartment door (2) Host panel Rear View Figure 2-8 Rear view (1) Mounting plate (2) Heat sink Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 Controlled by DC SWITCH 2 Cable gland AC OUTPUT Inner diameter: 24–57 mm Cable gland RESERVE Inner diameter: 14–18 mm DC switch 1 DC SWITCH 1 DC switch 2 DC SWITCH 2 Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series User Manual 2 Overview Dimensions Figure 2-10 Dimensions Figure 2-11 Mounting bracket dimensions Figure 2-12 Dimensions of reserved holes on the rear Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 SUN2000-95KTL-INH0, SUN2000-95KTL-INH1, SUN2000-100KTL-H1, and SUN2000-105KTL-H1) (1) RS485 port (RJ45 network (2) RS485 port (terminal (3) AC terminal port) block) block (4) Power port for the tracking (5) DC input terminal system Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Indicator Status

    PV connection indicator Steady green At least one PV string is properly connected, and the DC input voltage of the corresponding MPPT circuit is higher than or equal to 600 V. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Label Description

    After the USB flash drive, WLAN module, Bluetooth module, or USB data cable is removed, the indicator shows the alarm state. 2.3.3 Label Description Label Name Meaning Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 SUN2000 is powered on. To warning avoid electric shocks, perform the following system power-off operations before plugging or unplugging DC input connectors of the SUN2000: 1. Send a shutdown command. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Working Principles

    SUN2000 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Working Modes

    SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series User Manual 2 Overview Figure 2-16 Conceptual diagram 2.4.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Storage

    The solar inverter must be protected against rain and water.  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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Installation

    After unpacking the inverter, check that the contents are intact and complete. If any damage is found or any component is missing, contact your supplier. For details about the number of contents, see the Packing List in the packing case. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Tool Preparation

    Utility knife Cable cutter Crimping tool RJ45 crimping tool (model: UTXTC0003; manufacturer: Amphenol) Removal wrench Vacuum cleaner Multimeter (DC Marker (model: voltage UTXTWA001; measurement range ≥ 1500 V DC) manufacturer: Amphenol) Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Determining The Installation Position

    The solar inverter will be corroded in salt areas. Before installing the solar 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 In residential areas, do not install the SUN2000 on drywalls or walls made of similar materials with a weak sound insulation performance because the noise generated by the SUN2000 is noticeable. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Install the SUN2000 vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation.  Do not install the SUN2000 at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-4 Installation tilts Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 When installing multiple SUN2000s, install them in horizontal mode if sufficient space is available and install them in staggered mode if no sufficient space is available. Stacked installation is not recommended. Figure 4-6 Horizontal installation mode (recommended) Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series User Manual 4 Installation Figure 4-7 Staggered installation mode (recommended) Figure 4-8 Stacked installation mode (not recommended) Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Wall-Mounted Installation

    Step 2 Drill holes using a hammer drill and install expansion bolts. Avoid drilling holes in the water pipes and power cables buried in the wall. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Installing The Sun2000

    Otherwise, the mounting bracket will not be securely installed on the concrete wall. Step 3 Secure the mounting bracket. Figure 4-12 Installing the mounting bracket ----End 4.5 Installing the SUN2000 Context Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Step 1 Lift the SUN2000 from the packing case and move it to the installation position. Figure 4-13 Taking out the SUN2000 Step 2 For the SUN2000-90KTL-H2 used in Australia, install the delivered screw for locking each DC switch. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 Step 4 If the installation position is too high to install the SUN2000 on the mounting bracket, run a rope that is strong enough to bear the SUN2000 through the two lifting eyes, and hoist the SUN2000. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 Figure 4-16 Hoisting the SUN2000 Step 5 Install the SUN2000 on the mounting bracket and align the SUN2000 enclosure with the mounting bracket. Figure 4-17 Mounting the SUN2000 Step 6 Secure the SUN2000. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series User Manual 4 Installation Figure 4-18 Tightening security Torx screws ----End Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Electrical Connections

    5.2.1 MBUS Communication If MBUS is selected, no RS485 communications cable is required to connect to the SUN2000, but the AC power cable needs to connect to a SmartLogger that supports MBUS. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 (A) PV string (B) SUN2000 (C) AC combiner box (D) Step-up transformer (E) Power grid (F) SmartLogger (G) Management system Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 Fuse specifications: rated voltage ≥ 800  V; rated current: 6 A; protection: gG  Circuit breaker specifications: rated voltage ≥ 800 V; rated current: 6 A; tripping: C Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 (L1, L2, and L3), cable: and M8 OT/DT terminals (PE). You do not need to − L1, L2, separately prepare a PE cable. 35–95mm PE: ≥ 16 − . For Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Rs485 Communication

    5.2.2 RS485 Communication If RS485 is selected, connect an RS485 communications cable to the SUN2000, but the AC power cable does not need to connect to a SmartLogger that supports MBUS. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 (A) PV string (B) SUN2000 (C) AC combiner box (D) Step-up transformer (E) Power grid (F) SmartLogger (G) Management system Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 The tracking system should be equipped with Prepared by the an overcurrent protective device/component. customer The power cable between the device/component and wiring terminal should be no longer than 2.5 m. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 Recommended: a CAT 5E 7–9 mm Prepared cable (connected to a outdoor shielded network by the network port) cable with the internal customer resistance ≤ 1.5 ohms/10 m (1.5 ohms/393.70 in.), Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 Table 5-6 PE cable specifications Conductor Cross-Sectional Area S of the AC Conductor Cross-Sectional Area S of the PE Power Cable (mm Cable (mm 16 < S ≤ 35 ≥ 16 Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Installing The Pe Cable

    PE cables. Procedure Step 1 Connect the PE cable to the PE point. Figure 5-5 Connecting the PE cable to the PE point (on the enclosure shell) (1) Reserved PE point ----End Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Opening The Maintenance Compartment Door

    Step 1 Open the maintenance compartment door and install the support bar. Figure 5-6 Opening the maintenance compartment door Step 2 Remove the cover and hang it on the hook of the door. Figure 5-7 Removing the cover Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 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 5-8 Requirements for the OT/DT terminal Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 Step 3 Prepare a cable and crimp OT/DT terminals. Step 4 Route the cable through the waterproof connector. Step 5 Secure the AC output power cable and PE cable. Step 6 Tighten the waterproof connector. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 The cable colors shown in figures are for reference only. Select an appropriate cable according to the local standards. ----End Follow-up Procedure Check that the cable is connected correctly and securely. Then seal the cable gland. Clear the foreign matter from the maintenance compartment. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: Installing The Dc Input Power Cable

    The SUN2000 provides 12 DC input terminals, which are controlled by its two DC switches. DC SWITCH 1 controls DC input terminals 1–6 (MPPT1–3) and DC SWITCH 2 controls DC input terminals 7–12 (MPPT4–6). Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 7, 8, 9, 10, 11, and 12. Requirements on Cable Specifications Cables with high rigidity, such as armored cables, are not recommended, because poor contact may be caused by the bending of cables. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Figure 5-12 Installing the DC input power cable (Amphenol UTX PV Connectors) (1) Positive metal contact (2) Negative metal contact (3) UTXTC0003 (female) (male) (Amphenol) (4) Positive connector (5) Negative connector (6) UTXTWA001 (Amphenol) Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 65: Connecting The Rs485 Communications Cable

    When routing the communications cable, separate it from power cables to prevent communication from being affected. Connect the shield layer to the PE point.  Connect the RS485 communications cable to either a terminal block (recommended) or an RJ45 network port. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 Table 5-7 Terminal block description Definition Description RS485A IN RS485A, RS485 differential signal+ RS485A OUT RS485A, RS485 differential signal+ RS485B IN RS485B, RS485 differential signal– RS485B OUT RS485B, RS485 differential signal– Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 RS485B, RS485 differential 1, 4 2, 5 signal+ signal– Follow-up Operations Check that the cable is connected correctly and securely. Then seal the cable gland. Clear the foreign matter from the maintenance compartment. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Optional) Installing The Power Cable Of The Tracking System

    Step 3 Route the cable through the cable gland. Step 4 Connect the power cable of the tracking system. Step 5 Bind the power cable of the tracking system. Step 6 Tighten the cable gland. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 AC terminal block with the latter placed on top of the former. Ensure that the terminals are separated in the wiring area and are connected securely. Step 5 Tighten the cable gland. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 70: Closing The Maintenance Compartment Door

    5.9 Closing the Maintenance Compartment Door Procedure Step 1 Install the AC terminal cover and then install the support bar. Step 2 Close the maintenance compartment door and tighten the two screws on the door. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 5 Electrical Connections Figure 5-18 Closing the maintenance compartment door If the screws on the door are lost, use the spare screws in the fitting bag at the bottom of the enclosure. ----End Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Commissioning

    The installation space is proper, and the installation environment is clean and tidy, without foreign matter. The AC terminal cover is reinstalled. The maintenance compartment door is closed and the door screws are tightened. 6.2 Powering On the SUN2000 Precautions Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 DC switch. Keep the screw properly for future use after the SUN2000 is powered off. Step 3 Perform quick settings on the SUN2000 app. For details, see 7 Man-Machine Interactions. ----End Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: Man-Machine Interactions

    After the DC or AC side of the SUN2000 is powered on, you can connect the app to it through a WLAN module, a Bluetooth module or a USB data cable. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 75  Mobile phone operating system: Android 4.0 or later.  Recommended phone brands: Huawei and Samsung. Figure 7-1 Connection over a WLAN module or a Bluetooth module (A) SUN2000 (B) WLAN module or Bluetooth module (C) Mobile phone...

  • Page 76: Downloading And Installing The App

    You can also scan the QR code to download the installation package.  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 77 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series User Manual 7 Man-Machine Interactions Figure 7-3 Selecting a connection mode (with network access) Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 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. Figure 7-5 Selecting a connection method Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 Set the correct grid code based on the application area and scenario of the SUN2000. On the quick settings screen, you can set basic parameters. After settings, you can modify the parameters by tapping Settings on the main menu screen. ----End Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Operations Related To The Advanced User

    Set the working mode of the inverter based on the grounding status at 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Setting Feature Parameters

    ----End 7.1.4.3 Setting Feature Parameters Procedure Step 1 Choose Settings > Feature parameters to set feature parameters. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 MPPT multi-peak scan interval Specifies the MPPT scanning interval. (min) This parameter is displayed when MPPT multi-peak scanning is set to Enable. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 PV strings.  When PV strings connect to one another in parallel outside the SUN2000 and then connect to SUN2000 independently (fully parallel connection), set this parameter to All PV strings connected. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 PV string in a timely manner. If PV strings are often shaded, you are advised to set String monitor to Disable to prevent false alarms. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 86: 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 Settings > Grid parameters to set grid parameters. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 Specifies whether the inverter output has a neutral wire based on the application scenario. Automatically start upon grid Specifies whether to allow the inverter to automatically start after the recovery power grid recovers. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 88: Setting Protection Parameters

    Specifies the voltage threshold for exiting reactive power compensation (cosφ-P) exit voltage (%) based on the cosφ-P curve. ----End 7.1.5.2 Setting Protection Parameters Procedure Step 1 Choose Settings > Protection parameters to set protection parameters. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 90: Setting Feature Parameters

    Specifies the level-N grid underfrequency protection duration. protection duration (ms) NOTE N can be 1 or 2. ----End 7.1.5.3 Setting Feature Parameters Procedure Step 1 Choose Settings > Feature parameters to set feature parameters. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 Threshold for triggering LVRT Specifies the threshold for triggering LVRT. The threshold settings should meet the local grid standard. This parameter is displayed when LVRT is set to Enable. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 The standards of certain countries and regions require that when the output voltage exceeds a certain value, the inverter must suppress voltage rise by outputting reactive power and reducing active power. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 93: Setting Power Adjustment Parameters

    Specifies the time for the power to gradually increase when the inverter restarts after the power grid recovers. ----End 7.1.5.4 Setting Power Adjustment Parameters Procedure Step 1 Choose Settings > Power adjustment to set power adjustment parameters. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 Disable, the inverter does not respond to the scheduling instruction from the remote port. Schedule instruction valid duration (s) Specifies the time for maintaining the scheduling instruction. When this parameter is set to 0, the scheduling instruction takes effect permanently. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 Reactive power change gradient (%/s) Specifies the change speed of the inverter reactive power. Power factor Specifies the power factor of the inverter. This parameter is displayed if Remote power schedule is set to Enable. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 Specifies the fail-safe detection time for the disconnection between detection time (s) the inverter and the SmartLogger or Smart Dongle. Active power output limit for fail-safe Specifies the derating value of the inverter active power by percentage. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 P/Pn(%) (the ratio of the actual active power to the rated active power). Cosφ-P/Pn characteristic curve The inverter adjusts the output power factor cosφ in real time based on P/Pn(%). ----End Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 98: Operations With A Usb Flash Drive

    Configuration import command: import param.  Data export command: export log.  Upgrade command: upgrade. Step 3 Import the boot script file to the root directory of a USB flash drive. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 99: Importing Configurations

    Step 2 Import the boot script file to a PC. Step 3 Replace the exported boot script file in the root directory of the USB flash drive with the imported one. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 100: Exporting Data

    Step 3 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 101: Upgrading

    Step 3 Click Local maintenance script on the SUN2000 app to generate a boot script file, see the FusionSolar APP and SUN2000 APP User Manual. Step 4 Import the boot script file to a PC. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 Step 8 The system automatically restarts when the upgrade is completed. All LED indicators are off during the restart. 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Maintenance

    For the SUN2000-90KTL-H2 used in Australia, install the delivered screw for locking each DC switch. ----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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 104: Routine Maintenance

    ----End 8.3 Routine Maintenance To ensure that the SUN2000 can operate properly for a long term, you are advised to perform routine maintenance on it as described in this chapter. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 105 Check that ground cables are securely The first inspection is reliability connected. half a year after the initial commissioning. From then on, perform the inspection once six months to a year. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 106: Troubleshooting

    PV string is less than than that of other PV the number of PV strings. modules connected in series to the other PV 2. The PV string is shaded. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 4. If the alarm persists, contact Huawei technical support. Phase Wire Check the impedance of the 2031 Major Cause ID = 1 Short-Circuited to output phase wire to PE, The impedance of the output Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 3. Check that the peak grid voltage does not exceed the upper threshold. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 If no, contact the local power operator. If yes, modify the power grid underfrequency protection threshold with the consent of the local Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 PE decreases abnormal temporarily. when the SUN2000 is The SUN2000 operating. automatically recovers after the fault is rectified. 2. If the alarm occurs Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 PV string current is less than 1 1. Perform an upgrade 2065 Upgrade Failed Minor Cause ID = 1–4 again. The upgrade ends abnormally. 2. If the upgrade fails several times, contact Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 2. The flash memory has bad persists, replace the sectors. monitoring board or contact Huawei technical support. Contact Huawei technical support if all failure analysis procedures listed above are completed and the fault still exists. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 113: Handling The Inverter

    If the original packing materials are not available, put the SUN2000 inside a suitable cardboard box and seal it properly. 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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 114: Technical Data

    1500 V 1500 V 1500 V 1500 V voltage Lowest 600/650 V operating/startu p voltage Operating 600–1500 V voltage range Full-load MPPT 880–1300 V voltage range Rated input 1080 V voltage Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 50/60 Hz grid frequency Maximum 72.9 A 72.9 A 72.9 A 72.9 A 80.2 A output current Power factor 0.8 leading... 0.8 lagging Maximum total < 3% harmonic distortion (rated power) Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 LED indicator, Bluetooth module+app, USB data cable+app, and WLAN module+app RS485 Supported MBUS Supported Common Parameters SUN2000-90K SUN2000-90K SUN2000-90K SUN2000-95K SUN2000-95K Item TL-H0 TL-H1 TL-H2 TL-INH0 TL-INH1 Dimensions (W 1075 mm x 605 mm x 310 mm Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 117: Sun2000-(100Ktl, 105Ktl) Series Technical Data

    10.2 SUN2000-(100KTL, 105KTL) Series Technical Data Efficiency Item SUN2000-100KT SUN2000-100KT SUN2000-100KT SUN2000-105KT L-H0 L-H1 L-H2 L-H1 Maximum efficiency 99.00% Chinese efficiency 98.55% 98.55% EU efficiency 98.80% 98.80% 98.80% 98.80% Input Item SUN2000-100KTL SUN2000-100KTL SUN2000-100KTL SUN2000-105KTL Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 118 116 kW power (cosφ = 1) Rated output voltage 800 V AC, 3W+PE Rated output current 72.2 A 72.2 A 72.2 A 75.8 A Adapted power grid 50 Hz/60 Hz frequency Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 Residual current Supported monitoring Display and Communication Item SUN2000-100KT SUN2000-100KT SUN2000-100KT SUN2000-105KTL L-H0 L-H1 L-H2 Display LED indicator, Bluetooth module+app, USB data cable+app, and WLAN module+app RS485 Supported MBUS Supported Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 Note a: The net weight of the SUN2000-100KTL-H1 with the BOM number of 01074282-001 is 79 kg ± 1 kg, and that of other BOM numbers is 76 kg ± 1 kg. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 121: A Domain Name List Of Management Systems

    The list is subject to change. Table A-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 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 122: B Grid Codes

    India Supported Supported Supported Supported medium-vol tage power grid IEC61727- IEC61727 Supported Supported Supported Supported MV800 medium-vol tage power grid (50 Hz) BDEW-MV Germany Supported Supported Supported medium-vol tage power grid Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 123 Malaysian- Malaysia Supported MV800 medium-vol tage power grid SA_RPPs- South Supported Supported MV800 Africa RPPs medium-vol tage power grid Jordan-Tran Jordan Supported smission-M power V800 transmission network medium-vol tage power grid Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 124 Northern Northern Supported Ireland-MV Ireland medium-vol tage power grid CEI0-21-M Italy Supported V800 medium-vol tage power grid (CEI0-21) IEC61727 Supported Supported Supported Supported 61727-MV8 medium-vol 00-60Hz tage power grid (60 Hz) Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 125 NAMIBIA_ Namibia Supported Supported MV800 medium-vol tage power grid Cameroon- Cameroon Supported Supported MV800 medium-vol tage power grid NIGERIA- Nigeria Supported Supported MV800 medium-vol tage power grid Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 126 Supported 4120_HV80 power grid IEEE IEEE 1547 Supported Supported Supported Supported 1547-MV80 power grid RD1699/66 Spain Supported 1-MV800 medium-vol tage power grid (RD1699/66 PO12.3-MV Spain Supported medium-vol tage power grid (PO12.3) Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 127 Supported ESH-MV80 medium-vol tage power grid BAHRAIN- Bahrain Supported Supported MV800 medium-vol tage power grid KAZAKHS Kazakhstan Supported TAN-MV80 medium-vol tage power grid Mauritius-M Mauritius Supported V800 medium-vol tage power grid Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.
  • Page 128 Supported C-HV-MV8 G99_TypeC medium-vol tage power grid G99-TYPE Supported Supported D-MV800 G99_TypeD medium-vol tage power grid The grid codes are subject to change. The listed codes are for your reference only. Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

  • Page 129: C Acronyms And Abbreviations

    California Energy Commission Concentrated Photovoltaics technology light emitting diode maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic RCMU residual current monitoring unit waste electrical and electronic equipment WEEE Issue 10 (2020-03-28) Copyright © Huawei Technologies Co., Ltd.

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