Huawei SUN2000-50KTL-ZHM3 User Manual
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Huawei SUN2000-50KTL-ZHM3 User Manual

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SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3)
User Manual
Issue
13
Date
2024-08-20
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-50KTL-ZHM3

  • Page 1 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual Issue Date 2024-08-20 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 hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 4: Change History

    F Setting the Current Threshold for Triggering RCD Protection. Issue 12 (2024-03-10) Updated A Grid Codes. Issue 11 (2024-02-02) Updated 10 Technical Specifications. Issue 10 (2024-01-12) Updated Appearance. Updated 3 Inverter Storage. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 Cables. Updated 8.3 Alarm Reference. Updated 10 Technical Specifications. Issue 04 (2023-01-10) Updated 1 Safety Information. Updated Tools. Updated 5.2 Preparing Cables. Added 5.7.5 (Optional) Connecting the Rapid Shutdown Signal Cable. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 5.2 Preparing Cables. Updated 5.4 Connecting an AC Output Power Cable. Updated 5.5 Connecting DC Input Power Cables. Updated 10 Technical Specifications. Issue 01 (2022-05-20) This issue is the first official release. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Table Of Contents

    5.3 Connecting a PE Cable................................ 42 5.4 Connecting an AC Output Power Cable........................44 5.5 Connecting DC Input Power Cables..........................49 5.6 (Optional) Installing the Smart Dongle........................52 5.7 Connecting Signal Cables..............................55 Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 8 E Dry Contact Scheduling..................... 114 F Setting the Current Threshold for Triggering RCD Protection......... 116 G AFCI............................118 H Rapid Shutdown......................... 120 I NS Protection........................121 J Smart I-V Curve Diagnosis....................122 Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual Contents K Locating Insulation Resistance Faults................123 L Contact Information......................127 M Digital Power Customer Service..................129 N Acronyms and Abbreviations...................130 Issue 13 (2024-08-20) 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 13 (2024-08-20) 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: General Requirements

    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 13 (2024-08-20) 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 ● Before maintaining a downstream electrical or power distribution device, turn off the output switch on the power supply equipment. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Cabling Requirements

    If the external conditions (such as the cable layout or ambient temperature) change, verify the cable usage in accordance with the IEC-60364-5-52 or local laws and regulations. For example, check that the current-carrying capacity meets requirements. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Environment Requirements

    ● Keep the installation and operating environments of the equipment within the allowed ranges. Otherwise, its performance and safety will be compromised. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Mechanical Safety

    Do not use tools that have signs of scratches or fail to pass the inspection or whose inspection validity period has expired. Ensure that the tools are secure and not overloaded. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 Move a heavy object stably with balanced force at an even and low speed. Put down the object stably and slowly to prevent any collision or drop from scratching the surface of the equipment or damaging the components and cables. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Using Ladders

    If a single ladder is used, the recommended angle for the ladder against the floor is 75 degrees, as shown in the following figure. A square can be used to measure the angle. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 Do not drag steel ropes and hoisting tools or bump the hoisted objects against hard objects during hoisting. ● Ensure that the angle between two hoisting ropes is no more than 90 degrees, as shown in the following figure. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Drilling Holes

    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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Overview

    ● SUN2000-50KTL-M3 ● SUN2000-50KTL-BRM3 Figure 2-1 Model number Table 2-1 Model description Meaning Description Product family SUN2000: grid-tied solar inverter identifier Power level 50K: The rated power is 50 kW. identifier Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Networking Application

    Figure 2-2 Networking application – single inverter scenario (1) PV string (2) SUN2000 (3) AC PDU (4) Isolation transformer (5) Power grid Supported Earthing Systems The SUN2000 supports the TN-S, TN-C, TN-C-S, TT, and IT earthing systems. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 24 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual 2 Overview Figure 2-3 Earthing systems Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Appearance

    (5) Hole for the DC switch locking (6) DC switch (DC SWITCH) screw (7) Smart Dongle port (4G/WLAN-FE) (8) DC input terminals (PV1–PV8) (9) Ventilation valves (10) AC output ports (11) Ground point (12) Fan Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Label Description

    ● High touch current exists after the inverter is powered on. Before powering on the inverter, ensure that the inverter is properly grounded. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Device weight The inverter is heavy and needs to be carried by three persons. Inverter handle burn Do not touch the warning handle within 10 minutes after the inverter shuts down. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Working Principles

    Each MPPT circuit tracks the maximum power point of two PV strings. 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. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Working Modes

    SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual 2 Overview Figure 2-5 Schematic diagram 2.4.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Figure 2-6 Working modes Issue 13 (2024-08-20) 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Inverter Storage

    ● Do not tilt a packing case or place it upside down. ● To avoid personal injury or device damage, stack inverters with caution to prevent them from falling over. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 If an inverter has not been running for six months or longer after being mounted, it may have failed and must be checked and tested by professionals before being put into operation. Issue 13 (2024-08-20) 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. NO TE For details about the number of contents, see the Packing List in the packing case. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Tools

    Hammer drill Hammer drill bit Rubber mallet Open-end wrench Utility knife Marker H4TW0001 (Amphenol) Cable cutter Wire stripper Diagonal pliers Crimping tool Hydraulic pliers Heat gun H4TC0003 (Amphenol) Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Determining The Installation Position

    If the preceding areas are unavoidable, the distance between the installation position and noise- sensitive areas must be greater than 40 m. Alternatively, use other low-noise models. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Regions prone to sea breeze vary with weather conditions (such as typhoons and monsoons) or terrains (such as dams and hills). NO TE The inverter shall be physically separated from residential environments or radio receivers by distance greater than 30 m. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Installation Clearance Requirements

    Do not install the inverter at forward tilted, excessive backward tilted, side tilted, horizontal, or upside down positions. Figure 4-1 Installation angle Installation Clearance Requirements ● Reserve enough clearances around the inverter to ensure sufficient space for installation and heat dissipation. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 Triangle installation, stacked installation on a wall, and back-to-back installation on supports for multiple inverters are not recommended. Figure 4-3 Horizontal installation (recommended) Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual 4 Installation Figure 4-4 Two-layer triangle installation (not recommended) Figure 4-5 Three-layer triangle installation (not recommended) Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 If stacked installation on supports is adopted, the clearance between the rear of devices and the wall must be at least 500 mm. If the clearance is less than 500 mm, refer to the clearance requirements shown in Figure 4-6. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Moving The Inverter

    Ensure that they do not come into direct contact with the ground or other supports. ● When you need to temporally place the inverter on the ground, place foam or cardboard under the inverter to prevent damage to its enclosure. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Installing The Mounting Bracket

    Before installing the mounting bracket, remove the torx key and keep it for later use. Figure 4-11 Position for binding the torx key (1) Torx key Figure 4-12 shows the dimensions of mounting holes for the inverter. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Support Mounting

    4.5.1 Support Mounting Procedure Step 1 Secure the mounting bracket. Figure 4-13 Securing the mounting bracket NO TE You are advised to apply anti-rust paint on the hole positions for protection. ----End Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Wall Mounting

    ● Level the top of the expansion sleeve with the concrete wall after removing the nut, spring washer, and flat washer. Otherwise, the mounting bracket will not be securely installed on the concrete wall. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Installing The Inverter

    ● For models used in Australia, install the DC switch locking screw according to local standards. The DC switch locking screw is delivered with the inverter. Figure 4-16 Installing the DC switch locking screw Step 2 Install the inverter on the mounting bracket. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Figure 4-17 Installing the inverter Step 3 Tighten the nuts on both sides of the inverter. Figure 4-18 Tightening nuts NO TICE Secure the screws on the sides before connecting cables. ----End Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Electrical Connections

    ● Operation personnel must wear PPE when connecting cables. ● Before connecting cables to ports, leave enough slack to reduce the tension on the cables and prevent poor cable connections. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Preparing Cables

    Table 5-1 Component description Componen Description Source PV string ● A PV string consists of PV Prepared by the modules connected in series. customer ● The inverter supports eight PV string inputs. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 DTSU666-HW and YDS60-80 power meters. Note [3]: SUN2000MC V200R023C00SPC100 and later versions can be connected to optimizers. For details about optimizer operations, see MERC Smart PV Optimizer User Manual. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Conductor cross- Prepare copper cable sectional area: ≥ 16 d by custom Note [1]: Five-core cables with a cross-sectional area of 5 x 35 mm or 5 x 50 are not supported. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Connecting A Pe Cable

    ● Wrap the wire crimping area with heat shrink tubing or insulation tape. The heat shrink tubing is used as an example. ● Use a heat gun carefully to avoid heat damage to the equipment. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 (2) Core wire (3) Heat shrink tubing (4) OT terminal (5) Crimping tool (6) Heat gun Step 2 Connect the PE cable. Figure 5-3 Connecting a PE cable (1) Standby PE point ----End Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Connecting An Ac Output Power Cable

    ● If the AC MBUS is used, multi-core cables are recommended, supporting a maximum communication distance of 1000 m. To use other types of AC power cables, contact the Company's technical support. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 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 5-4 Requirements for the OT/DT terminal Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 ● The cable colors shown in the figures are for reference only. Select an appropriate cable according to the local standards. Figure 5-6 Stripping an AC power cable (using a five-core cable as an example) Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Connecting Dc Input Power Cables

    ● If no PV string connects to a DC input terminal of the inverter, do not remove the watertight cap from the DC input terminals. Otherwise, the IP rating of the inverter will be affected. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 PV module output is well insulated to ground. ● To ensure the optimal power generation of the system, the voltage difference between different MPPT circuits shall be less than 85 V. Figure 5-12 DC input terminals Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 ● Before assembling DC connectors, label the cable polarities correctly to ensure correct cable connections. ● After the positive and negative connectors snap into place, try to pull the DC input power cables back to check that they are secure. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Optional) Installing The Smart Dongle

    PV connectors must not exceed 80 N. Radial stress or torque must not be generated on PV connectors. ----End 5.6 (Optional) Installing the Smart Dongle Procedure NO TE The Smart Dongle is not provided in standard configuration. ● 4G Smart Dongle Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 ● When removing the SIM card, push it inward to eject it. ● When reinstalling the enclosure of the Smart Dongle, ensure that the snap- fits click into place. Figure 5-14 Installing the 4G Smart Dongle (SDongleA-03) Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 Figure 5-15 Installing the 4G Smart Dongle (SDongleB-06) ● WLAN-FE Smart Dongle (WLAN communication) Figure 5-16 Installing the WLAN-FE Smart Dongle (WLAN communication) ● WLAN-FE Smart Dongle (FE communication) Figure 5-17 Installing the WLAN-FE Smart Dongle (FE communication) Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 64: Connecting Signal Cables

    5.7 Connecting Signal Cables Communications Port Pin Definitions NO TICE When routing signal cables, separate them from power cables and keep them away from strong interference sources to prevent communication interruption. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 485B2 RS485 DIN2 power meter at differential the grid signal – connection point. DIN3 DIN4 DIN5 Rapid Implements shutdown/NS the rapid protection/ shutdown, NS OVGR protection, and OVGR functions. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Communication Modes

    Figure 5-19 Connecting the signal cable connector 5.7.1 Communication Modes RS485 Communication ● Smart Dongle networking Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 ● The built-in MBUS module in the inverter does not need to be connected with cables. ● In utility-scale scenarios, an isolation transformer must be connected between the inverter and loads. ● Commercial & industrial (C&I) scenarios are supported only in China. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Optional) Connecting The Rs485 Communications Cable To The Sun2000

    Figure 5-22 MBUS communication (utility-scale scenario) Figure 5-23 MBUS communication (C&I scenario 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 70: 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 71: 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual 5 Electrical Connections Figure 5-30 Installing the cable Step 2 Connect the signal cable connector to the COM port. Figure 5-31 Securing the signal cable connector ----End Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 73: Commissioning

    The cables are routed properly as required by the customer. Cable ties Cable ties are evenly distributed and no burr exists. Reliable grounding The PE cable is connected correctly and securely. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: System Power-On

    Step 1 Turn on the AC switch between the inverter and the power grid. Step 2 (Optional) Remove the locking screw next to the DC SWITCH. Figure 6-1 Removing the DC SWITCH locking screw Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 A mobile phone is for 1s) connected to the inverter. There is no communication. Note: If LED1, LED2, and LED3 are steady red, the inverter is faulty and needs to be replaced. ----End Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Human-Machine Interaction

    SUN2000 app can be used for commissioning. ● Access Huawei AppGallery, search for FusionSolar or SUN2000, and download the app installation package. You can also scan a QR code below to download the app. You are advised to use a browser to scan a QR code.

  • Page 77: Scenario In Which Sun2000S Are Connected To The Fusionsolar Smart Pv Management System

    ● The mobile number or email address used for registration is the user name for logging in to the FusionSolar app. Create the first installer account and create a domain named after the company name. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 To create multiple installer accounts for a company, log in to the FusionSolar app and tap Add User to create an installer account. Figure 7-2 Creating multiple installer accounts for the same company Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Creating A Plant And An Owner Account

    Guide. Scan the QR code to download the corresponding quick guide. 7.1.3 SmartLogger Networking For details, see PV Plants Connecting to Huawei Hosting Cloud Quick Guide (Inverters + SmartLogger3000), PV Plants Connecting to SmartPVMS Quick Guide (Inverters + SmartLogger3000 + RS485...

  • Page 80: Energy Control

    The output power of the PV power system can be limited or reduced 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. Figure 7-5 Grid-tied point control Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 Specifies the fail-safe detection time in case of disconnection between the inverter and the Smart Dongle. disconnection This parameter is displayed when Communication detection time disconnection fail-safe is set to Enable. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Enable, the inverter will derate according to the disconnection active power derating percentage when the fail-safe communication between the inverter and the Smart Dongle is disconnected for a period longer than Communication disconnection detection time. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 If the Dongle does not detect any power meter fail-safe data or the communication between the Dongle and the inverter is disconnected, the Dongle delivers the derating value of the inverter active power by percentage. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 84: Apparent Power Control On The Inverter Output Side

    Note 1: This parameter is supported only for the AS4777 grid code. ----End 7.3.2 Apparent Power Control on the Inverter Output Side On the home screen, tap Settings > Power adjustment and set inverter parameters. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 Maximum active power (kW) Specifies the output upper [0.1, P threshold for the maximum active power to adapt to different market requirements. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 User Manual 7 Human-Machine Interaction 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 87: Maintenance

    Step 2 Turn off the AC switch between the inverter and the power grid. Step 3 Set the DC SWITCH at the bottom of the inverter to OFF. Step 4 (Optional) Install the DC switch locking screw. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 88: Routine Maintenance

    Remove foreign objects Once every 6 to generates abnormal from the fan. 12 months noise during operation. If the abnormal noise persists, replace the fan. For details, see Replacing a Fan. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Vegetat Check whether there ● Perform inspection Based on the are weeds around the and weeding as local wilting around inverter. required. season ● Clean the site inverter promptly after weeding. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 90: Alarm Reference

    Figure 8-3 Removing screws from the fan mounting plate Step 2 Remove the cable tie, loosen the connector, disconnect the cable, and remove the faulty fan. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 Figure 8-5 Binding a cable ----End Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 92: 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 93: Technical Specifications

    20 A (one PV string)/30 A (one MPPT circuit) current per MPPT circuit Maximum short- 40 A circuit current per MPPT circuit Minimum startup 200 V voltage Operating voltage 200–1000 V range Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 Refer to the local power grid standards. output voltage at long-term operation Rated output 76.0 A/380 V current 72.2 A/400 V 60.1 A/480 V Maximum 84.0 A/380 V output current 79.8 A/400 V 66.5 A/480 V Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 PV string fault Supported detection DC surge Type II Type II/Type I (optional) Type II protection AC surge Type II protection Insulation Supported resistance detection Residual current Supported monitoring unit (RCMU) Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 96: Display And Communication

    49 kg Operating –25°C to +60°C ambient temperature Relative 0%–100% (non-condensing) humidity Cooling mode Air cooling Maximum 4000 m operating altitude Storage –40°C to +70°C temperature IP rating IP66 Topology Transformerless Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 97: Wireless Communication Specifications

    2400–2483.5 MHz SDongleB-06-EU (4G): ● Supports LTE FDD: B1/B3/B5/B8. ● Supports LTE TDD: B7/B20/B28/B38/B40/B41. ● Supports GSM/GPRS/EDGE: 900 MHz/1800 MHz. SDongleB-06-AU (WiFi): 2400–2483.5 MHz SDongleB-06-AU (4G): ● LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B28 ● LTE-TDD: B40 Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual 10 Technical Specifications Item Inverter Built-in WLAN-FE Smart 4G Smart Dongle WiFi Dongle ● WCDMA: B1/B2/B5/B8 ● GSM: 850 MHz/900 MHz/1800 MHz/1900 MHz Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 ● Supports LTE FDD (with receive diversity): B1/B3/B5/B8. ● Supports LTE TDD (with receive diversity): B7/B20/B28/B38/B40/ B41. ● Supports GSM: 900 MHz/1800 MHz. ● Supports digital audio. SDongleB-06-AU (WiFi): WLAN 802.11b/g/n Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 Dongle SDongleB-06-AU (4G): ● Supports LTE FDD (with receive diversity): B1/B2/B3/B4/B5/B7/B8/B28/B66. ● Supports LTE-TDD (with receive diversity): B40. ● Supports WCDMA: B1/B2/B4/B5/B8. ● Supports GSM: 850/900/1800/1900 MHz. ● Supports digital audio. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 85.6 kbit/s EDGE: ● Supports EDGE multislot class 12. ● Supports GMSK and 8-PSK modulation and coding schemes. ● Downlink coding format: MCS 1– ● Uplink coding format: MCS 1–9 Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 DCS1800 8-PSK ● 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Grid Codes

    Supported Supported mainland power grid UTE C 15-712-1(B) France island Supported Supported power grid UTE C 15-712-1(C) France island Supported Supported power grid VDE 0126-1-1-GR(A) Greece Supported Supported mainland power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 (50 Hz) CEI0-16 Italy power Supported Supported grid TAI-PEA Thailand grid- Supported Supported connection standard TAI-MEA Thailand grid- Supported Supported connection standard VDE-AR-N4110- Germany Supported Supported MV480 medium- voltage standard power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 105 EN50438-TR-MV480 Türkiye Supported Supported medium- voltage power grid EN50438-TR Türkiye low- Supported Supported voltage power grid C11/C10-MV480 Belgium Supported Supported medium- voltage power grid Philippines Philippines Supported Supported low-voltage power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Ireland Supported Supported medium- voltage power grid EN50438_IE Ireland low- Supported Supported voltage power grid CEI0-16-MV480 Italy medium- Supported Supported voltage power grid PO12.3 Spain low- Supported Supported voltage power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 SAUDI Saudi Arabia Supported Supported power grid SAUDI-MV480 Saudi Arabia Supported Supported power grid VDE-AR-N4120-HV VDE 4120 Supported Supported standard power grid VDE-AR-N4120-HV480 VDE 4120 Supported Supported standard power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 Ireland new Supported Supported standard power grid VDE 0126-1-1-BU Bulgaria Supported Supported power grid AS4777 Australia Supported Supported power grid Custom (50 Hz) Reserved Supported Supported Custom (60 Hz) Reserved Supported Supported Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 Brazil P140 Supported Supported power grid BRAZIL-P140-480 Brazil P140 Supported Supported power grid CHINA-LV220/380 China low- Supported voltage power grid G59-England England 230 V Supported Supported power grid (I > 16 A) Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 South Korea Supported Supported medium- voltage power grid Egypt ETEC Egypt low- Supported Supported voltage power grid Egypt ETEC-MV480 Egypt Supported Supported medium- voltage power grid NAMIBIA Namibia Supported Supported power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 KENYA_ETHIOPIA Kenya low- Supported Supported voltage power grid and Ethiopia power grid KENYA_ETHIOPIA- Kenya low- Supported Supported MV480 voltage power grid and Ethiopia medium- voltage power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 Cameroon-MV480 Cameroon Supported Supported medium- voltage power grid Jordan-Distribution Jordan power Supported Supported distribution network low- voltage power grid Jordan-Distribution- Jordan power Supported Supported MV480 distribution network medium- voltage power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 Ghana-MV480 Ghana Supported Supported medium- voltage power grid Chile-PMGD Chile PMGD Supported Supported power grid Chile-PMGD-MV480 Chile PMGD Supported Supported power grid TAIPOWER Taiwan Power Supported Supported low-voltage power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 114 BAHRAIN-MV480 Bahrain Supported Supported medium- voltage power grid Fuel_Engine_Grid Genset hybrid Supported Supported power grid Fuel-Engine-Grid-60Hz Genset hybrid Supported Supported power grid ARGENTINA Argentina Supported Supported power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 G99-TYPEA-HV UK G99- Supported Supported TYPEA-HV power grid AS4777-WP Australia Supported Supported power grid India CEA Supported Supported low-voltage power grid CEA-MV480 India CEA Supported Supported medium- voltage power grid Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 AUSTRALIA- Australia Supported Supported AS4777_C-LV230 power grid AUSTRALIA- Australia Supported Supported AS4777_NZ-LV230 power grid FINLAND-EN50549- Finland power Supported Supported LV230 grid ANRE-TYPEB Romania Supported Supported power grid (type B) Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 117 (type B) Note a: The Czech Republic grid code requires that the inverter be subject to dispatching by the electric power company through DI. For details, see E Dry Contact Scheduling. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 118: B Device Commissioning

    SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 ● 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 121: C Built-In Pid Recovery

    ● Set Built-in PID running mode to Repair (Disable by default). ● Set Nighttime off-grid repair to . (This parameter is displayed when Built-in PID running mode is set to Repair.) ----End Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 122: Resetting A Password

    On the login screen, set a new password and log in to the app. ----End NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 123: E Dry Contact Scheduling

    Procedure Log in to the inverter local commissioning screen. Choose Settings > Power adjustment and enable Dry contact scheduling. Tap Dry contact scheduling settings and set related parameters as prompted. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 124 DI1–DI4 must differ from each other. Otherwise, an exception will occur during command parsing. ● If the actual input DI signal is inconsistent with the setting, an Abnormal DI Instruction alarm will be generated. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 125: F Setting The Current Threshold For Triggering Rcd Protection

    Procedure Log in to the inverter local commissioning screen. Choose Settings > Feature parameters > Current Threshold for Triggering RCD Protection. Set Current Threshold for Triggering RCD Protection as required. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 126 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) F Setting the Current Threshold for Triggering RCD User Manual Protection Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 127: G Afci

    Settings > Feature parameters, and disable AFCI. NO TE The AFCI function works only with Huawei optimizers or ordinary PV modules when the inverter is connected to the grid, but does not support third-party optimizers or intelligent PV modules.
  • Page 128 Log in using the owner account with plant management rights. Click the plant name on the Home page to access the plant page, and click OK as prompted to clear the alarm. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 129: Rapid Shutdown

    Dry contact function to DI rapid shutdown. ● Method 4: If AFCI is enabled, the inverter automatically performs arc fault detection and triggers a rapid shutdown when AFCI lock protection is implemented. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 130: I Ns Protection

    Dry contact function to NS protection. To enable NS protection for multiple inverters, set Dry contact function to NS protection for each inverter. Figure I-1 Connecting cascaded inverters to the NS protection switch Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 131: J Smart I-V Curve Diagnosis

    SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual J Smart I-V Curve Diagnosis Smart I-V Curve Diagnosis For details, see iMaster NetEco V600R023C00 Smart I-V Curve Diagnosis User Manual. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 132: K Locating Insulation Resistance Faults

    Low insulation resistance alarm on the FusionSolar app. Log in to the FusionSolar app, choose Alarm > Active alarm, select Low insulation resistance to enter the Alarm details screen. Figure K-1 Alarm details Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 133 Inverter ON/OFF on the home screen, and send a startup command. Step 3 Choose Alarm on the home screen, enter the Active alarm screen, and check whether a Low insulation resistance alarm is reported. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 134 PV modules and optimizers adjacent to the possible fault location. Step 7 Determine the position of the ground insulation fault: ● Disconnect the possible faulty PV module from the optimizer. Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 135 PV strings one by one. Then, go to Step Step 8 Set DC SWITCH to ON. If the inverter status is Shutdown: Command, choose Maintenance > Inverter ON/OFF, and send a startup command. ----End Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 136: Contact Information

    To ensure faster and better services, we kindly request your assistance in providing the following information: ● Model ● Serial number (SN) ● Software version ● Alarm ID or name ● Brief description of the fault symptom Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 137 SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual L Contact Information 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 138: M Digital Power Customer Service

    SUN2000-(50KTL-ZHM3, 50KTL-M3, 50KTL-BRM3) User Manual M Digital Power Customer Service Digital Power Customer Service https://digitalpower.huawei.com/robotchat/ Issue 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 139: Acronyms And Abbreviations

    N 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 13 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

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