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Huawei SUN2000 Series User Manual
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Huawei SUN2000 Series User Manual

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SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3)
Seires
User Manual
Issue
03
Date
2021-09-30
HUAWEI TECHNOLOGIES CO., LTD.

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Table of Contents

Troubleshooting

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Summary of Contents for Huawei SUN2000 Series

  • Page 1 SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3) Seires User Manual Issue Date 2021-09-30 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 5.9 Closing the Maintenance Compartment Door. Issue 02 (2021-08-10) Updated 6.2 System Power-On. Updated 7.1.3 Logging In to the App. Issue 01 (2021-05-30) This issue is used for first office application (FOA). Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    4.3.1 Environment Requirements............................21 4.3.2 Space Requirements................................. 22 4.4 Installing the Mounting Bracket............................24 4.4.1 Support-mounted Installation............................25 4.4.2 Wall-mounted Installation............................. 26 4.5 Installing the Inverter................................27 5 Electrical Connections......................30 5.1 Precautions....................................30 Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 9.1 Removing the SUN2000..............................97 9.2 Packing the SUN2000................................97 9.3 Disposing of the SUN2000..............................97 10 Technical Data........................98 A String Access Detection.....................102 B Domain Name List of Management Systems...............105 Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3) Seires User Manual Contents C Grid Code..........................106 D Acronyms and Abbreviations................... 111 Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: 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 9: 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 10: 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 12 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Overview

    Value Series SUN2000: three-phase grid-tied PV string inverter Power class 196K: The power class is 196 kW 200K: The power class is 185 kW 215K: The power class is 200 kW Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 DC input voltage NO TE The SUN2000-196KTL-H3 is applicable only to the Chinese mainland. For other countries or regions, Huawei does not provide quality assurance. Network Application The inverter applies to grid-tied PV systems for commercial rooftop PV plants and large PV plants.

  • Page 16: Appearance

    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 2-4 AC power system with the neutral point grounding 2.2 Appearance Dimensions Front View Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 A major alarm is generated. If the PV connection indicator and grid connection indicator are both not blinking green fast, replace components or the inverter as instructed by the SUN2000 app. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 DC SWITCH 1) (3) Reset button 1 (RESET 1) (4) DC input terminals (controlled by DC SWITCH 2) (6) Reset button 2 (RESET 2) (5) DC switch 2 (DC SWITCH 2) Issue 03 (2021-09-30) 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Product Nameplate

    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. 2.3.2 Product Nameplate Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Working Principles

    MPPT circuits inside the 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Working Modes

    SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3) Seires User Manual 2 Overview Figure 2-6 Inverter conceptual diagram 2.4.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 ● 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 25 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Installation

    NO TE Packing List in the packing case. For details about the number of contents, see the 4.2 Preparing Tools Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Vacuum cleaner Crimping tool Removal wrench Model: PV- Model: 13001462; CZM-41100; manufacturer: manufacturer: Staubli Staubli Multimeter Marker Measuring tape Bubble or digital level DC voltage measurement range ≥ 1500 V DC Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Determining The Installation Position

    You are advised to install the inverter in a sheltered place or install an awning over it. ● 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 Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Space Requirements

    Figure 4-1 Mounting structure 4.3.2 Space Requirements ● Reserve enough clearance around the inverter and select an appropriate installation angle to ensure sufficient space for installation and heat dissipation. Figure 4-2 Installation space Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 When installing multiple 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Installing The Mounting Bracket

    User Manual 4 Installation Figure 4-5 Triangle installation mode (recommended) Figure 4-6 Stacked installation mode (not recommended) 4.4 Installing the Mounting Bracket Installation Precautions Figure 4-7 shows the inverter mounting bracket dimensions. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 32: Support-Mounted Installation

    Before installing the mounting bracket, remove the security torx wrench from the mounting bracket and set it aside. Figure 4-8 Removing a security torx wrench 4.4.1 Support-mounted Installation Support-mounted Installation Step 1 Install the mounting bracket. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Wall-Mounted Installation

    ● Level the head of the expansion sleeve with the concrete wall after removing the bolt, spring washer, and flat washer. Otherwise, the mounting bracket will not be securely installed on the wall. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Installing The Inverter

    Before installing the inverter, take it out from the packing case and move it to the installation position. NO TE Handles are packed in a fitting bag and are not delivered with the inverter. Figure 4-11 Taking out and moving the inverter Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 Figure 4-12 Lifting positions Installing the Inverter Step 1 Mount the inverter on the mounting bracket. Step 2 Tighten the two screws at the bottom of the inverter. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3) Seires User Manual 4 Installation Figure 4-13 Installation ----End Supplementary Notes If the inverter is installed in a high position, you can hoist it. Figure 4-14 Hoisting the inverter Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Electrical Connections

    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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 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 5-1 Requirements for the OT/DT terminal Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 ● When using a heat gun, protect devices from being scorched. Figure 5-2 Crimping an OT terminal (1) Cable (2) Core (3) Heat shrink tubing (4) OT terminal (5) Hydraulic pliers (6) Heat gun Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Opening The Maintenance Compartment Door

    ● Do not leave unused screws in the maintenance compartment. Procedure Step 1 Partially loosen the two screws on the maintenance compartment door. Step 2 Open the maintenance compartment door and install a support bar. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 A three-hole rubber plug is bound in the maintenance compartment. After removing the rubber plug, save it properly for future use. Figure 5-5 Removing the accessories from the maintenance compartment (1) Crimping modules ----End Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Optional) Replacing The Crimping Module

    2.5 m. ● Connect the power cable of the tracking system before the AC output power cable. Otherwise, reworking will be caused. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Connecting The Ac Output Power Cable

    The inverter is integrated with a comprehensive residual current detection unit to distinguish fault current from residual current. Upon detecting that the residual current exceeds the threshold, the inverter immediately disconnects from the power grid. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 ● Multi-core cable: 24– 50–240 mm 66 mm Copper-clad aluminum ● Multi-core cable: 70– ● Single-core cable: 14– cable and aluminum 240 mm 32 mm alloy cable ● Single-core cable: 70– 2[2] 240 mm Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 ● When the MBUS is used for communication, it is recommended that the multi-wire cable be used. The maximum communication distance is 1000 m. If other types of AC power cables are used, contact Huawei technical support. Table 5-2 PE cable specifications...
  • Page 46 Sufficient slack should be provided in the PE cable to ensure that the last cable bearing the force is the PE cable when the AC output power cable bears pulling force due to force majeure. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3) Seires User Manual 5 Electrical Connections Figure 5-11 Cable connection ----End Connecting the AC Output Power Cable (Single-core) Step 1 Connect the AC cable to the terminal block. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 Figure 5-12 Cable connection ----End NO TE The 32–36 mm cable is supported only by some models. Refer to the corresponding label to get the supported size. Bending Radius Figure 5-13 Bending Radius Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Installing The Dc Input Power Cable

    ● The polarities of electric connections are correct on the DC input side. The positive and negative terminals of a PV module connect to corresponding positive and negative DC input terminals of the inverter. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Numb Terminal Selection r of PV er of Strings Strings PV1, PV3, PV4, PV6, PV8, PV1, PV2, PV3, PV4, PV6, PV8, PV9, PV11, PV13 and PV14 PV9, PV11, PV13 and PV14 Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 The device damage caused by incompatible PV connectors is beyond the warranty scope. ● For models of the crimping tool and removal wrench, use the recommended model or contact your Staubli dealer. Step 1 Install the DC input power cable. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 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 5-15 Cable connection Figure 5-16 Connector connection Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Installing The Communications Cable

    PV connectors. Figure 5-17 DC input power cabling requirement ----End 5.8 Installing the Communications Cable Precautions When routing communications cables, separate communications cables from power cables to prevent communication from being affected. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 SmartLogger. PE, shielding ground PE, shielding ground RS485-2 RS485A, RS485 RS485B, RS485 Used for connecting differential signal+ differential signal– to RS485 slave devices. Procedure Step 1 Install the communications cable. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3) Seires User Manual 5 Electrical Connections Figure 5-19 Cable connection (4–8 mm four-hole rubber plug) NO TICE Block unused cable holes using plugs and tighten cable glands. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Closing The Maintenance Compartment Door

    ● Block unused cable holes using plugs and tighten cable glands. ----End 5.9 Closing the Maintenance Compartment Door Procedure Step 1 Adjust the support bar, close the maintenance compartment door and tighten the two screws on the door. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3) Seires User Manual 5 Electrical Connections Figure 5-21 Closing the door ----End Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: System 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 ● When powering on the system, you must switch on DC SWITCH 1 first, and then switch on DC SWITCH 2 and DC SWITCH 3 after LED 1 is steady on. Huawei shall not be held liable for damages caused by failing to follow this sequence.

  • Page 60: 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 ● Configurable parameters vary depending on the grid code. The actual screen may vary. ● The parameter names, value ranges, and default values are subject to change. The actual display may vary. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: 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://appgallery.cloud.huawei.com/appdl/C10279542) to download the installation package.
  • Page 63 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3) Seires User Manual 7 Man-Machine Interactions Figure 7-3 Selecting a connection mode (with network access) Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 ● 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. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 67: Operations Related To The Advanced User

    Isolation settings Set the working mode of the inverter based on the grounding status at DC side and the connection to the power grid. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Setting Protection Parameters

    If the detected value is less than the preset value, the inverter does not connect to the grid. 7.1.4.3 Setting Feature Parameters Procedure Step 1 Choose Function Menu > Settings > Feature Parameters to access the settings screen. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 AC switch from misoperations. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 – If this parameter is set to CPV 2, the inverter can quickly restart in 10 minutes if the input power of PV modules drops drastically due to shading. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 (min) interruption. Used for automatic shutdown for protection in case of communication interruption. Soft start/boot Specifies the duration for the time (s) power to gradually increase when the inverter starts. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Operations Related To The Special User

    7.1.5 Operations Related to the Special User If you log in to the app as Special User, you can set grid parameters, protection parameters, feature parameters, and power adjustment parameters for the SUN2000. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 73: Setting Grid Parameters

    Specifies whether to allow the inverter to automatically grid recovery start after the power grid recovers. Grid connected recovery Specifies the time after which the inverter begins time from grid faults (s) restarting after the power grid recovers. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: Setting Protection Parameters

    (cosφ-P) exit compensation based on the cosφ-P curve. voltage (%) 7.1.5.2 Setting Protection Parameters Procedure Step 1 Choose Function Menu > Settings > Protect Parameters to go to the parameter setting screen. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 Specifies the level-N grid undervoltage protection protection threshold (V) threshold. Level-N undervoltage Specifies the level-N grid undervoltage protection protection duration (ms) duration. Level-N overfrequency Specifies the level-N grid overfrequency protection protection threshold (Hz) threshold. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Setting Feature Parameters

    Level-N underfrequency Specifies the level-N grid underfrequency protection protection duration (ms) duration. 7.1.5.3 Setting Feature Parameters Procedure Step 1 Choose Function Menu > Settings > Feature Parameters to access the settings screen. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 Threshold for Specifies the threshold for triggering LVRT. The This parameter is triggering threshold settings should meet the local grid displayed when LVRT LVRT (V) standard. is set to Enable. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 HVRT is short for high voltage ride-through. When the grid voltage is abnormally high for a short time, the inverter cannot disconnect from the power grid immediately and has to work for some time. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 Enable. ● LVRT recovery threshold = Threshold for triggering LVRT + VRT exit hysteresis threshold ● HVRT recovery threshold = Threshold for triggering HVRT - VRT exit hysteresis threshold Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 (s) system. TCP frame Specifies the maximum length of the TCP frame length sent by the northbound device to the solar inverter. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Setting Power Adjustment Parameters

    If this parameter is set to Disable, the inverter does not respond to the scheduling instruction from the remote port. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 This parameter is displayed power compensation at night, the when Night-time reactive compensation reactive power is scheduled by power output and Enable (kVar) fixed value. reactive power parameters at night are set to Enable. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 Frequency for Specifies the frequency threshold exiting for exiting overfrequency derating. overfrequency derating (Hz) Cutoff frequency of Specifies the frequency threshold overfrequency for cutting off overfrequency derating (Hz) derating. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 P/Pn(%) (the ratio of the actual active power to the rated active power). Cosφ-P/Pn The inverter adjusts the output characteristic curve power factor cosφ in real time based on P/Pn(%). Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Maintenance

    Step 3 Set the three 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 inverter for troubleshooting or replacement. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 Step 6 Turn off all DC switches of the inverter and ensure that all switches are set to OFF. If the DC switches of the inverter have been automatically turned off, go to the next step. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 87: Routine Maintenance

    ● If you need to open the maintenance compartment door in rainy or snowy days, take protective measures to prevent rain or snow entering the maintenance compartment. If unavoidable, do not open the maintenance compartment door. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 USB ports are locked by waterproof caps. 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 or 12 months. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 89: 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 93: Troubleshooting

    If yes, wait until the Cause ID 1–14: PV strings PV string current drops below 1–14. 0.5 A. Then, set all DC switches to OFF and correct the PV string connection. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 OFF, and adjust the number of PV modules in the PV string. 2. Check whether the open- circuit voltage of the PV string is normal. 3. Check whether the PV string is shaded. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 PV string is lost. status. Cause ID 1-14: PV strings 2. Check whether the inverter 1-14. terminals are properly connected. 3. Check whether the PV string terminals are properly connected. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 (NMS) 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 If the AC output power cable is correctly connected, yet the alarm persists and affects the energy yield of the power plant, contact the local power operator. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 If not, contact the local power operator. If yes, modify the grid underfrequency protection threshold through the mobile app, SmartLogger, or NMS with the consent of the local power operator. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 2. If this alarm occurs frequently and affects the energy yield of the PV plant, contact your dealer or Huawei technical support. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 DC input switch, and then An unrecoverable fault turn them on after 5 minutes. has occurred on a circuit If the fault persists, contact inside the inverter. your dealer or Huawei technical support. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 If the fan is damaged. the fault persists, contact your dealer or Huawei technical support. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 Huawei technical support. NO TE If you cannot rectify faults with the measures listed in troubleshooting suggestions, contact your dealer or Huawei technical support. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Loading The Dc Switch

    Step 2 Press the RESET buttons until it cannot go further, and then tighten the nuts of the RESET buttons. Figure 8-17 Loading the DC switch (DC SWITCH 1 is used as an example) ----End Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 104: 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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Technical Data

    Maximum input 100 A current (per MPPT) Maximum short- 32.5 A circuit current (per PV string) Maximum backfeed current to the PV array Lowest operating/ 500 V/550 V startup voltage Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 50 Hz/60 Hz 50 Hz/60 Hz grid frequency Maximum output 155.9 A 155.2 A 155.2 A current Power factor 0.8 leading and 0.8 lagging Maximum total < 3% harmonic distortion (rated power) Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 (RCMU) Overvoltage PV II/AC III category Display and Communication Technical SUN2000-196KTL SUN2000-200KTL SUN2000-215KT Specifications L-H3 Display LED indicator, Bluetooth module+app, USB data cable+app, and WLAN module+app RS485 Supported MBUS Supported Supported Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 Smart air cooling Highest operating 5000 m (derated when the altitude is greater than 4000 altitude Humidity 0%–100% RH Input terminal MC4 EVO2 Output terminal Waterproof terminal+OT/DT terminal IP rating IP66 Topology Transformerless Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 109: A String Access Detection

    In these cases, the user is liable for any loss caused to the PV plant. Step 2 Choose Function Menu > Maintenance > String Access Detection to go to the parameter setting screen. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 ● Default startup current (5 A): applicable to the scenarios where the short-circuit current Enable. ) is greater than 8 A for the monocrystalline and polycrystalline PV modules. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 You are advised to retain the default value. If the value is incorrectly set, the PV string access type may be incorrectly identified and alarms may be generated by mistake for the PV string connection status. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 112: B Domain Name List Of Management Systems

    The list is subject to change. Table B-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 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 Chile-MV800 Chile medium-voltage power Supported grid Mexico-MV800 Mexico power grid Supported EN50438-TR-MV800 Turkey medium-voltage Supported power grid TAI-PEA-MV800 Thailand PEA medium-voltage Supported power grid Philippines-MV800 Philippines medium-voltage Supported power grid Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 114 Pakistan-MV800 Pakistan medium-voltage Supporte Supported power grid BRASIL-ANEEL-MV800 Brazil medium-voltage power Supported grid Israel-MV800 Israel power grid Supported CEI0-16-MV800 Italy medium-voltage power Supported grid ZAMBIA-MV800 Zambia medium-voltage Supporte Supported power grid Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 PO12.3-MV800 Spain medium-voltage power Supported grid Vietnam-MV800 Vietnam medium-voltage Supported power grid CHILE-PMGD-MV800 Chile PMGD medium-voltage Supported power grid (800 V) GHANA-MV800 Ghana medium-voltage Supporte Supported power grid (800 V) Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 (800 V) Panama-MV800 Panama medium-voltage Supported power grid (800 V) Macedonia-MV800 North Macedonia medium- Supported voltage power grid (800 V) SINGAPORE-MV800 Singapore medium-voltage Supported power grid Cambodia-MV800 Cambodia medium-voltage Supported power grid Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 117 Denmark power grid Supported MV800 FRANCE-RTE-MV800 France RTE power grid Supported UZBEKISTAN-MV800 Uzbekistan power grid Supporte NO TE The grid codes are subject to change. The listed codes are for your reference only. Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 118 User Manual D Acronyms and Abbreviations Acronyms and Abbreviations light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic RCMU residual current monitoring unit Issue 03 (2021-09-30) Copyright © Huawei Technologies Co., Ltd.

This manual is also suitable for:

Sun2000-196ktl-h3Sun2000-200ktl-h3Sun2000-215ktl-h3

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