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Huawei SUN2000-M3 User Manual
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Huawei SUN2000-M3 User Manual

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SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual
Issue
11
Date
2023-01-10
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-M3

  • Page 1 SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual Issue Date 2023-01-10 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 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 5.7.1 Communication Modes. Updated 7 Man-Machine Interaction. Updated 7.1.3 SmartLogger Networking Scenario. Updated Troubleshooting. Updated 10 Technical Specifications. Added H PV String Access Detection. Issue 08 (2022-04-14) Updated 5.2 Preparing Cables. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 5.5 Installing the DC Input Power Cable. Updated 10 Technical Specifications. Issue 02 (2020-11-20) Updated 2.3 Label Description. Updated 4.3 Selecting an Installation Position. Updated 5.2 Preparing Cables. Updated 5.7.1 Communication Modes. Updated 10 Technical Specifications. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual About This Document Issue 01 (2020-10-15) This issue is the first official release. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Table Of Contents

    5.3 Connecting the PE Cable..............................37 5.4 Connecting the AC Output Power Cable........................39 5.5 Installing the DC Input Power Cable..........................44 5.5.1 Cable Connection Description............................44 5.5.2 Connecting Cables to Amphenol Helios H4 Connectors..................46 Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 8 B Device Commissioning....................... 101 C Built-in PID Recovery......................104 D Rapid Shutdown......................... 105 E Resetting Password......................106 F Setting Dry Contact Scheduling Parameters..............107 G AFCI............................108 H PV String Access Detection....................110 Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual Contents I Smart I-V Curve Diagnosis....................113 J Contact Information......................114 K Acronyms and Abbreviations................... 116 Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd. viii...

  • Page 10: Safety Information

    The equipment is damaged due to force majeure such as earthquakes, floods, volcanic eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, and other extreme weather conditions. ● The equipment is operated beyond the conditions specified in this document. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Personal Safety

    D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The dielectric withstanding voltage level must comply with local laws, regulations, standards, and specifications. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 12 Professionals: personnel who are familiar with the working principles and structure of the equipment, trained or experienced in equipment operations and are clear of the sources and degree of various potential hazards in equipment installation, operation, maintenance Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Electrical Safety

    WARNING For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 ● Only qualified professionals can replace a damaged cable. ● Do not scrawl, damage, or block any labels or nameplates on the equipment. Promptly replace labels that have worn out. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Environment Requirements

    1.3 Environment Requirements D ANGER Do not expose the equipment to flammable or explosive gas or smoke. Do not perform any operation on the equipment in such environments. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 Do not install the equipment in an area conducive for the growth of microorganisms such as fungus or mildew. ● Do not install the equipment in an area with strong vibration, noise, or electromagnetic interference. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Mechanical Safety

    General Requirements ● Repaint any paint scratches caused during equipment transportation or installation in a timely manner. Equipment with scratches cannot be exposed for an extended period of time. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 When moving the equipment, assign dedicated personnel to take care of it. ● Choose sea or roads in good conditions for transportation as transportation by railway or air is not supported. Avoid tilt or jolt during transportation. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 If a single ladder is used, do not climb higher than the fourth rung of the ladder from the top. ● If you use a single ladder to climb up to a platform, ensure that the ladder is at least 1 m higher than the platform. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 Drilling Holes ● Obtain consent from the customer and contractor before drilling holes. ● Wear protective equipment such as safety goggles and protective gloves when drilling holes. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 To avoid short circuits or other risks, do not drill holes into buried pipes or cables. ● When drilling holes, protect the equipment from shavings. After drilling, clean up any shavings. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Overview

    The SUN2000-20KTL-M3 supports 220 V (line voltage) power grids. Figure 2-1 Model description (SUN2000-30KTL-M3 is used as an example) Table 2-1 Model description Meaning Value Series name SUN2000: three-phase grid-tied PV string inverter Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 (1) PV string (2) SUN2000 (3) AC power distribution unit (4) Isolation transformer (5) Power grid Supported Power Grid Types The SUN2000 supports TN-S, TN-C, TN-C-S, TT, and IT power grids. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Appearance

    SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual 2 Overview Figure 2-3 Power grid types 2.2 Appearance Figure 2-4 Appearance Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Label Description

    SUN2000. ● High touch current exists after the SUN2000 is powered on. Before powering on the SUN2000, ensure that the SUN2000 is properly grounded. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Burn warning on Do not touch the inverter handles handles within 10 minutes after the inverter is shut down. Indicator Indicates the SUN2000 operating information. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Working Principles

    The SUN2000 converts DC power into single-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Figure 2-5 Schematic diagram 2.4.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 ● 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 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Sun2000 Storage

    If any rodent bites are found on the packing materials, replace the packing materials immediately. ● If the SUN2000 has been stored for more than two years, it must be checked and tested by professionals before being put into use. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 30: 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. NO TE Packing List in the packing case. For details about the number of contents, see the Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Tool Preparation

    Rubber mallet Utility knife Cable cutter Crimping tool (model: Open-end wrench (model: Cable tie PV-CZM-22100) PV-MS-HZ or PV-MS open- end wrench) Vacuum cleaner Multimeter (DC voltage Marker measurement range ≥ 1100 V Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 32: Selecting An Installation Position

    Do not install the SUN2000 in a place within children's reach. ● The SUN2000 will be corroded in salt areas, and the salt corrosion may cause fire. Do not install the SUN2000 outdoors in salt areas. A salt area refers to Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Install the SUN2000 vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation. ● Do not install the SUN2000 with a front tilt, excessive back tilt, side tilt, horizontally, or upside down. Figure 4-1 Installation angle Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 When installing multiple SUN2000s, install them in horizontal mode if ample space is available and install them in triangle mode if no ample space is available. Stacked installation is not recommended. Figure 4-3 Horizontal installation (recommended) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual 4 Installation Figure 4-4 Two-layer triangle installation (recommended) Figure 4-5 Three-layer triangle installation (not recommended) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Moving The Sun2000

    ● After placing the equipment in the installation position, unpack it with care to prevent scratches. Keep the equipment stable during unpacking. Procedure Step 1 Lift the SUN2000 from the packing case and move it to the specified installation position. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Installing The Mounting Bracket

    Before installing the mounting bracket, remove the security Torx wrench and set it aside. Figure 4-9 Position for binding the security Torx wrench (1) Security Torx wrench Figure 4-10 shows the dimensions of the mounting holes for the SUN2000. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Support-Mounted Installation

    4.5.1 Support-mounted Installation Procedure Step 1 Secure the mounting bracket. Figure 4-11 Securing the mounting bracket NO TE You are advised to apply anti-rust paint on the hole positions for protection. ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 39: Wall-Mounted Installation

    ● Level the front 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 concrete wall. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Installing A Sun2000

    ● For models used in Australia, install the DC switch locking screw according to local standards. The DC switch locking screw is delivered with the SUN2000. Figure 4-14 Installing the locking screw for the DC switch Step 2 Install the SUN2000 onto the mounting bracket. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 Figure 4-15 Installing a SUN2000 Step 3 Tighten the nuts on both sides of the SUN2000. Figure 4-16 Tightening the nut NO TICE Secure the screws on the sides before connecting cables. ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Electrical Connections

    ● Wear proper PPE at all time when terminating cables. ● To prevent poor cable connection due to overstress, it is recommended that the cables be bent and reserved, and then connected to the appropriate ports. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Preparing Cables

    Table 5-1 Components Component Description Source PV string ● A PV string consists of PV Prepared by users modules connected in series. ● The SUN2000 supports the input from eight PV strings. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 EMI can be directly connected to instrument the SmartLogger or connected to (EMI) the last solar inverter cascaded over RS485. Smart Select a proper model as required. Purchased from Dongle Huawei Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 16–38 (Option Two-core outdoor ● Conductor cross- Prepare shielded twisted pair sectional area: 0.2– d by Signal (recommended model: users 1 mm cable DJYP2VP2-2x2x0.75) ● Cable outer diameter: 4–11 mm Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 46: Connecting The Pe Cable

    ● Wrap the wire crimping area with heat shrink tubing or PVC insulation tape. The heat shrink tubing is used as an example. ● When using a heat gun, protect devices from being scorched. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 (2) Core (3) Heat shrink tubing (4) OT terminal (5) Crimping tool (6) Heat gun Step 2 Connect the PE cable. Figure 5-3 Connecting the PE cable (1) Reserved PE point ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Connecting The Ac Output Power Cable

    Otherwise, the switch may trip by mistake. ● If an AC switch is used with specifications beyond local standards, regulations, or Huawei's recommendations, the switch may fail to turn off in a timely manner in case of exceptions, causing serious faults.
  • Page 49 AC terminal block. Figure 5-4 Requirements for the OT/DT terminal Procedure Step 1 Remove the AC terminal box and install partition boards. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 ● The cable colors in figures are for reference only. Select appropriate cables according to the local standards. Figure 5-6 Stripping the AC power cable (using a five-core cable as an example) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual 5 Electrical Connections Figure 5-7 Five-core cable (L1, L2, L3, N, and PE) Figure 5-8 Four-core cable (L1, L2, L3, and PE) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual 5 Electrical Connections Figure 5-9 Four-core cable (L1, L2, L3, and N) Figure 5-10 Three-core cable (L1, L2, and L3) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Installing The Dc Input Power Cable

    ● If no PV string connects to a DC input terminal of the SUN2000, do not remove the watertight cap from the DC input terminals. Otherwise, the IP rating of the SUN2000 will be affected. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 When the DC input is not fully configured, the DC input terminals must meet the following requirements: Distribute the DC input power cables evenly over four MPPT circuits, and connect them preferentially through MPPT1 and MPPT4. Maximize the number of connected MPPT circuits. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Connecting Cables To Amphenol Helios H4 Connectors

    ● If the PV string is configured with an optimizer, check the cable polarity by referring to the smart PV optimizer quick guide. Procedure Step 1 Connect the DC power cable. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Connecting Cables To Staubli Mc4 Connectors

    Use the positive and negative Staubli MC4 metal terminals and DC connectors supplied with the SUN2000. Using incompatible positive and negative metal terminals and DC connectors may result in serious consequences. The caused device damage is not covered under warranty. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 During DC input power cabling, leave at least 50 mm of slack. The axial tension on PV connectors must not exceed 80 N. Radial stress or torque must not be generated on PV connectors. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Optional) Installing The Smart Dongle

    ● When removing the SIM card, push it inwards to eject it. ● When reinstalling the cover of the Smart Dongle, ensure that the buckle springs back in place. Figure 5-15 Installing a 4G Smart Dongle ● WLAN-FE Smart Dongle (WLAN Communication) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 ● For details about how to operate the 4G Smart Dongle SDongleA-03, see SDongleA-03 Quick Guide (4G) . You can scan the QR code below to obtain the document. The quick guide is delivered with the Smart Dongle. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 60: Connecting The Signal Cable

    SmartLogger. signal – signal – connect to an It can also EMI. connect to an EMI. Ground point Ground on the shield point on the layer shield layer Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 If no signal cable is required for the SUN2000, use waterproof plugs to block the wiring holes on the signal cable connector and connect the signal cable connector to the communications port on the SUN2000 to improve the waterproof performance of the SUN2000. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: Communication Modes

    RS485 Communication ● Smart Dongle networking Figure 5-20 Smart Dongle networking NO TE If a SUN2000 is networked using a Smart Dongle, it cannot be connected to the SmartLogger. ● SmartLogger networking Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 ● The built-in MBUS module in the SUN2000 does not need to be connected with cables. ● In utility-scale scenarios, an isolation transformer must be connected between inverters and loads. ● Commercial and industrial scenarios are supported only in China. Figure 5-22 MBUS communication (utility-scale scenarios) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 64: Optional) Connecting The Rs485 Communications Cable To The Sun2000

    Figure 5-23 MBUS communication (commercial and industrial scenarios in China) 5.7.2 (Optional) Connecting the RS485 Communications Cable to the SUN2000 Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 65: Optional) Connecting The Rs485 Communications Cable To The Power Meter

    Figure 5-25 Securing the signal cable connector ----End 5.7.3 (Optional) Connecting the RS485 Communications Cable to the Power Meter Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Optional) Connecting The Power Grid Scheduling Signal Cable

    Step 2 Connect the signal cable connector to the COM port. Figure 5-27 Securing the signal cable connector ----End 5.7.4 (Optional) Connecting the Power Grid Scheduling Signal Cable Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 67: Optional) Connecting The Rapid Shutdown Signal Cable

    Step 2 Connect the signal cable connector to the COM port. Figure 5-29 Securing the signal cable connector ----End 5.7.5 (Optional) Connecting the Rapid Shutdown Signal Cable Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual 5 Electrical Connections Figure 5-30 Connecting the cable ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Commissioning

    Unused terminals and ports Unused terminals and ports are locked by watertight caps. Installation environment The installation space is proper, and the installation environment is clean and tidy. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 70: System Power-On

    Step 4 Observe the LED indicators to check the operating status of the SUN2000. Table 6-2 Indicator description Category Status Description Running LED1 LED2 – indicator Steady green Steady green The SUN2000 is operating in grid- tied mode. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 Blinking green slowly (on for 1s and off A mobile phone is for 1s) connected. No communication Note: If LED1, LED2, and LED3 are steady red, the SUN2000 is faulty and needs to be replaced. ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Man-Machine Interaction

    SUN2000 app can be used for commissioning. ● Access the Huawei app store (http://appstore.huawei.com), search for FusionSolar or SUN2000, and download the app installation package. You can also scan the QR codes below to download the apps.

  • Page 73: Scenario In Which Sun2000S Are Connected To The Fusionsolar Smart Pv Management System

    Figure 7-1 Creating the first installer account NO TICE To create multiple installer accounts for a company, log in to the FusionSolar app and tap Add User to create an installer account. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: Creating A Pv Plant And A User

    FusionSolar App Quick ● For details about how to use the site deployment wizard, see Guide 7.1.3 SmartLogger Networking Scenario PV Plants Connecting to Huawei Hosting Cloud Quick Guide For details, see (Inverters + SmartLogger3000), PV Plants Connecting to SmartPVMS Quick...

  • Page 75: Scenario In Which Sun2000S Are Connected To Other Management Systems

    Limits or reduces the output power of the PV power system to ensure that the output power is within the specified range. Procedure Step 1 On the home screen, choose Power adjustment > Grid-tied point control. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Dongle does not detect any power meter data within the preset time, the Dongle delivers the preset value of Active power output limit for fail-safe for protection. Power raising Specifies the step for grid-tied power adjustment. threshold Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 Dongle does not detect any power meter data within the preset time, the Dongle delivers the preset value of Active power output limit for fail-safe for protection. Power raising Specifies the step for grid-tied power adjustment. threshold Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Dongle does not detect any power meter data within the preset time, the Dongle delivers the preset value of Active power output limit for fail-safe for protection. Power raising Specifies the step for grid-tied power adjustment. threshold Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 (when Active power control is set to Grid connection with limited power). Note 1: This parameter is supported only for the AS4777 grid code. ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 80: Apparent Power Control On The Inverter Output Side

    NO TE The lower threshold for the maximum apparent power is the maximum active power. To lower the maximum apparent power, lower the maximum active power first. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Maintenance

    Step 4 (Optional) Install the locking screw for the DC switch. Figure 8-1 Installing the locking screw for the DC switch Step 5 Turn on the DC switch between the PV string and the SUN2000 if there is any. ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Routine Maintenance

    Check that all terminals and ports are Once a year properly sealed. Clear ● Perform inspection and weeding as Based on the local vegetation required. wilting season around the ● Clean the site promptly after inverters weeding. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 83: Troubleshooting

    Major The PV string power cables Check whether the PV string fault arc or are in poor contact. cables arc or are in poor contact. Cause ID 1–8: PV strings 1– Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 ● Power grid outage grid recovers. occurs. 2. Check whether the AC circuit ● The AC circuit is is disconnected or the AC disconnected or the AC switch is off. switch is off. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 3. Check whether the peak voltage of the power grid is too high. If the fault occurs frequently and persists for a long time, contact the local power operator. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 If not, contact the local power operator. If yes, modify the grid overfrequency protection threshold through the app, SmartLogger, or NMS with the consent of the local power operator. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 AC triggers protection. short circuit exists. If the fault persists, contact your dealer or technical support. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 3. After the inverter is powered on, check whether the output mode set for the inverter is consistent with the output cable connection mode. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Cause ID = 1–6 1. Perform an upgrade again. failed or The upgrade is not 2. If the upgrade fails several version completed normally. times, contact your dealer or mismatc Huawei technical support. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 3. Check whether the peak grid voltage exceeds the upper threshold. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 ● Cause ID 6: The optimizer 1. Check whether the installation position is number of optimizers changed, or PV strings connected in series in the are combined or PV strings connected in exchanged. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 ● Cause ID 9: Calculate the PV string voltage based on the number of PV modules in the string and check whether the string voltage exceeds the upper threshold of the inverter input voltage. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 DI signal configuration mapping table. Contact the power grid company to check whether the configurations in the mapping table are complete and meet the requirements. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 NO TE Contact your dealer or Huawei technical support if all troubleshooting procedures listed above are completed and the fault still exists. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 95: 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 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 96: Technical Specifications

    DC input power Maximum 800 V 1100 V input voltage Maximum 26 A input current (per MPPT) Maximum 40 A short-circuit current (per MPPT) Minimum 200 V startup voltage Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 40,000 W power Maximum 22,000 VA 29,900 VA 40,000 VA 44,000 VA 33,000 VA apparent power Maximum 22,000 W 29,900 W 40,000 W 44,000 W 33,000 W active power (cosφ = 1) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 39.9 A (480 V 48.4 A (480 V 53.2 A (480 V Output 50 Hz/60 Hz voltage frequency Power factor 0.8 leading–0.8 lagging Output DC < 0.5% of the rated output component Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 Input reverse Supported connection protection String fault Supported detection DC surge Type II protection AC surge Type II protection Insulation Supported resistance detection Residual Supported current monitoring unit (RCMU) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 –25°C to +60°C (derated when the temperature is above +45°C) temperature Humidity 0%–100% Cooling mode Natural cooling Maximum 0–4000 m operating altitude Storage –40°C to +70°C temperature IP rating IP66 Topology Transformerless Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 ● Supports digital audio. SDongleA-03-EU: ● Supports LTE-FDD (with receive diversity): B1/B3/B7/B8/B20/B28. ● Supports LTE-FDD (with receive diversity): B38/B40/B41. ● Supports WCDMA: B1/B8. ● Supports GSM: 900 MHz/1800 MHz. ● Supports digital audio. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 ● Supports GMSK and 8-PSK modulation and coding schemes. ● Downlink coding format: MCS 1–9 ● Uplink coding format: MCS 1–9 ● Maximum downlink rate: 236.8 kbit/s; maximum uplink rate: 236.8 kbit/s Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 ● Class E2 (26 dBm±3 dB), DCS1800 8- ● Class 3 (24 dBm+1/–3 dB), WCDMA frequency band ● Class 3 (23 dBm±2 dB), LTE-FDD frequency band ● Class 3 (23 dBm±2 dB), LTE-TDD frequency band Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 104: A Grid Codes

    Supported Supported 15-712-1(C) power grid VDE-AR- Germany 230 Supported Supported Supported N4110 V medium- voltage power grid G99-TYPEA- Supported Supported Supported G99_TypeA_LV power grid G99-TYPEB- Supported Supported Supported G99_TypeB_LV power grid Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 105 CHINA-MV China MV Supported Supported Supported standard power grid TAI-PEA Thailand grid- Supported Supported Supported tied standard power grid TAI-MEA Thailand grid- Supported Supported Supported tied standard power grid Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Philippines- Philippines Supported Supported Supported MV480 MV power grid NRS-097-2-1 South Africa Supported Supported Supported standard power grid IEC61727-60 IEC 61727 LV Supported Supported Supported grid-tied power grid (60 Hz) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 INDIA- India MV Supported Supported Supported MV500 power grid G99-TYPEA- Supported Supported Supported G99_TypeA_LV power grid G99-TYPEB- Supported Supported Supported G99_TypeB_LV power grid G99-TYPEB- Supported Supported Supported G99_TypeB_H V power grid Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 Brazil LV Supported 16149-LV127 power grid Mexico- Mexico LV Supported LV220 power grid Philippines- Philippines LV Supported LV220-50Hz power grid (50 Hz) Philippines- Philippines LV Supported LV220-60Hz power grid (60 Hz) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual A Grid Codes Grid Code Description SUN2000 SUN2000 SUN2000 SUN2000 SUN2000 -20KTL- -29.9KTL- -30KTL- -36KTL- -40KTL- TAIPOWER- Taiwan LV Supported LV220 power grid Pakistan Pakistan Supported Supported Supported Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 110: B Device Commissioning

    SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual B Device Commissioning Device Commissioning Step 1 Access Device commissioning screen. Figure B-1 Method 1: before login (not connected to the Internet) Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 If the access fails in WEP mode, log in to the router and change the encryption mode of the router to WPA2 or WPA/WPA2. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 ● When you access the Device commissioning screen of the SUN2000 for the first time, you need to manually set the login password because the SUN2000 does not have an initial login password. ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 113: C Built-In Pid Recovery

    NO TE ● Set PID running mode to Repair (disabled by default). ● Set Nighttime off-grid repair to (this parameter is displayed when Built-in PID running mode is set to Repair). ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 114: D Rapid Shutdown

    Settings > Feature parameters > Dry contact function, and set Dry contact function to DI rapid shutdown. ● Method 4: If AFCI is enabled, the inverter automatically detects arc faults, triggering a rapid shutdown. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 115: E Resetting Password

    Step 6 Set router and management system parameters to implement remote management. ----End NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 116: F Setting Dry Contact Scheduling Parameters

    Setting Dry Contact Scheduling Parameters Procedure Step 1 On the home screen, choose Settings > Power adjustment and set Dry contact scheduling to Figure F-1 Setting dry contact scheduling parameters ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 117: G Afci

    To disable this function, log in to the FusionSolar App, enter the Device Commissioning screen, choose Settings > Feature parameters, and disable AFCI. NO TE The AFCI function works only with Huawei optimizers or ordinary PV modules, but does not support third-party optimizers or intelligent PV modules. Clearing Alarms The AFCI function involves the DC arc fault alarm.
  • Page 118 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 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

  • Page 119: H Pv String Access Detection

    Step 1 Log in to the FusionSolar app and choose Me > Device commissioning. The Device commissioning screen is displayed. Step 2 Choose Maintenance > PV string access detection. The parameter setting screen is displayed. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 Startup current for 2- When the current of a PV string reaches Startup in-1 detection current for 2-in-1 detection, the PV string is automatically identified as 2-in-1. The default value is recommended. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 121 The default value is recommended. If the value is incorrectly set, the PV string access type may be incorrectly identified and false alarms may be generated for the PV string access status. ----End Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 122 SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)- User Manual I Smart I-V Curve Diagnosis Smart I-V Curve Diagnosis For details, see SmartPVMS Smart I-V Curve Diagnosis User Manual. Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 123 Asia- Australia eu_inverter_support@huaw 1800046639 Pacific ei.com Turkey eu_inverter_support@huaw ei.com Malaysia apsupport@huawei.com 0080021686868 /1800220036 Thailand (+66) 26542662 (local rate call) 1800290055 (free in Thailand) China solarservice@huawei.com 400-822-9999 Other apsupport@huawei.com 0060-3-21686868 countries Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 124 Saudi Arabia 8001161177 Pakistan 0092512800019 Morocco 0800009900 Other 0020235353900 countries NO TE EU Representative Information: Huawei Technologies Hungary Kft. Add.: HU-1133 Budapest, Váci út 116-118., 1. Building, 6. floor. Email: hungary.reception@huawei.com Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.
  • Page 125 K Acronyms and Abbreviations Acronyms and Abbreviations AFCI arc-fault circuit interrupter light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking protective earthing potential induced degradation photovoltaic residual current device Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd.

This manual is also suitable for:

Sun2000-20ktl-m3Sun2000-29.9ktl-m3Sun2000-30ktl-m3Sun2000-36ktl-m3Sun2000-40ktl-m3

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