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Huawei SUN2000-3KTL-M1 User Manual

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SUN2000-(3KTL-10KTL)-M1
User Manual
Issue
02
Date
2020-11-20
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-3KTL-M1

  • Page 1 SUN2000-(3KTL-10KTL)-M1 User Manual Issue Date 2020-11-20 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

    User Manual About This Document About This Document Overview This document describes the SUN2000-3KTL-M1, SUN2000-4KTL-M1, SUN2000-5KTL-M1, SUN2000-6KTL-M1, SUN2000-8KTL-M1, and SUN2000-10KTL- M1 (SUN2000 for short) in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting. Before installing and operating the SUN2000, ensure that you are familiar with the features, functions, and safety precautions provided in this document.
  • Page 4 Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Issue 02 (2020-11-20) Updated 7.2.1.2 Battery Control. Issue 01 (2020-09-30) This issue is used for first office application (FOA). Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    4.3.1 Environment Requirements............................20 4.3.2 Space Requirements................................. 21 4.4 Moving the SUN2000................................24 4.5 Installing the Mounting Bracket............................24 4.5.1 Wall-mounted Installation............................. 25 4.5.2 Support-mounted Installation............................27 5 Electrical Connections......................31 5.1 Installation Preparation..............................31 Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 9.1 Removing the SUN2000..............................96 9.2 Packing the SUN2000................................96 9.3 Disposing of the SUN2000..............................96 10 Technical Specifications.....................97 10.1 SUN2000 Technical Specifications..........................97 10.2 Optimizer Technical Specifications..........................102 A Grid Code..........................105 Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 SUN2000-(3KTL-10KTL)-M1 User Manual Contents B Device Commissioning....................... 107 C Resetting Password......................110 D Rapid Shutdown......................... 113 E Locating Insulation Resistance Faults................114 F Acronyms and Abbreviations....................117 Issue 02 (2020-11-20) 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

    Do not connect or disconnect power cables with power on. Transient contact between the core of the power cable and the conductor will generate electric arcs or sparks, which may cause fire or personal injury. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Installation Environment Requirements

    Ensure that the ladder is securely positioned. The recommended angle for a ladder against the floor is 75 degrees, as shown in the following figure. An angle rule can be used to measure the angle. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Commissioning

    When the equipment is powered on for the first time, ensure that professional personnel set parameters correctly. Incorrect settings may result in inconsistency with local certification and affect the normal operation of the equipment. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Maintenance And Replacement

    If the equipment is faulty, contact your dealer. ● The equipment can be powered on only after all faults are rectified. Failing to do so may escalate faults or damage the equipment. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Overview

    SUN2000-3KTL-M1 ● SUN2000-4KTL-M1 ● SUN2000-5KTL-M1 ● SUN2000-6KTL-M1 ● SUN2000-8KTL-M1 ● SUN2000-10KTL-M1 NO TE The SUN2000-8KTL-M1 and SUN2000-10KTL-M1 are not applicable to Australia. Figure 2-1 Model description (using SUN2000-5KTL-M1 as an example) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 The SUN2000 applies to residential rooftop grid-tied systems and small-sized ground PV plant grid-tied systems. Typically, a grid-tied system consists of PV strings, grid-tied inverters, AC switches, and power distribution units. Figure 2-2 Networking application (dashed boxes indicate optional components) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Appearance

    ● When the SUN2000 is used in the TT power grid, the N-to-PE voltage must be less than 30 V. ● When the SUN2000 is used in the IT power grid, set Isolation to Input ungrounded, with TF. 2.2 Appearance Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 Two M6 screw holes are reserved on the left and right sides of the SUN2000 for installing the awning. Table 2-2 Indicator description Category Status Description Running LED1 LED2 indicator Steady Steady green The SUN2000 is green operating in grid-tied mode. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 0.2s and then off for 0.2s) progress. (When a mobile phone is connected to the SUN2000, the indicator blinks green at long intervals, indicating that the phone is connected to the SUN2000.) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Label Description

    It takes 5 minutes for the SUN2000 to discharge to the safe voltage. Burn warning Do not touch a running SUN2000 because it generates high temperatures on the shell. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 SUN2000 serial Indicates the serial number number. SUN2000 MAC address Indicates the MAC address. SUN2000 WiFi login Scan the QR code to QR code connect to the Huawei SUN2000 WiFi network. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Product Nameplate

    (MPPT) circuits. The SUN2000 converts DC power into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Working Modes

    SUN2000-(3KTL-10KTL)-M1 User Manual 2 Overview Figure 2-6 SUN2000 conceptual diagram 2.4.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Figure 2-7 Working modes Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 ● In Shutdown mode, the SUN2000 enters Standby mode after detecting a startup command or that the fault is rectified. ● In Shutdown mode, if the black start button of the battery is pressed, the SUN2000 enters Operating mode. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Storage

    Periodic inspections are required during the storage. Replace the packing materials if necessary. ● If the SUN2000 has been long-term stored, inspections and tests should be conducted by qualified personnel before it is put into use. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Tools

    Cable cutter Crimping tool Multimeter Vacuum cleaner Model: PV- DC voltage CZM-22100; measurement range manufacturer: ≥ 1100 V DC Staubli Marker Measuring tape Bubble or digital Cord end terminal level crimper Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Determining The Installation Position

    The mounting structure where the SUN2000 is installed must be fireproof. ● Do not install the SUN2000 on flammable building materials. ● The SUN2000 is heavy. Ensure that the installation surface is solid enough to bear the weight load. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Space Requirements

    Do not install the SUN2000 at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-1 Installation tilts Installation Space Requirements ● Reserve enough space around the SUN2000 to ensure sufficient space for installation and heat dissipation. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 When installing multiple SUN2000s, 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 4-3 Horizontal installation (recommended) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 SUN2000-(3KTL-10KTL)-M1 User Manual 4 Installation Figure 4-4 Staggered installation (recommended) Figure 4-5 Stacked installation (not recommended) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Moving The Sun2000

    Figure 4-6 Moving the SUN2000 ----End 4.5 Installing the Mounting Bracket Installation Precautions Figure 4-7 shows the dimensions of installation holes on the SUN2000. Figure 4-7 Mounting bracket dimensions Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 32: Wall-Mounted Installation

    Otherwise, the mounting bracket will not be securely installed on the concrete wall. ● Loosen the nuts, flat washers, and spring washers of the two expansion bolts below. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Figure 4-10 Installing the locking screw for the DC switch Step 4 Install the SUN2000 onto the mounting bracket. Step 5 Tighten the nut. Figure 4-11 Installing a SUN2000 Step 6 (Optional) Install an anti-theft lock. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Support-Mounted Installation

    M6 bolts) with appropriate lengths as well as matched flat washers and nuts based on the support specifications. Procedure Step 1 Determine the hole positions based on the marking-off template, and then mark the hole positions using a marker. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 Step 2 Drill holes using a hammer drill. NO TE You are advised to apply anti-rust paint on the hole positions for protection. Figure 4-14 Drilling holes Step 3 Secure the mounting bracket. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 ● For the model used in Australia, perform this step based on the local standards. Figure 4-16 Installing the locking screw for the DC switch Step 5 Install the SUN2000 onto the mounting bracket. Step 6 Tighten bolt assemblies. Figure 4-17 Installing a SUN2000 Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Ensure that the lock can be installed successfully. ● Outdoor waterproof lock is recommended. ● Keep the key to the anti-theft lock properly. Figure 4-18 Installing an anti-theft lock ----End Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Electrical Connections

    5.1 Installation Preparation Figure 5-1 SUN2000 cable connections (dashed boxes indicate optional components) NO TICE If a Smart Dongle is configured, it is recommended that you install it before connecting the signal cable. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Select the devices that meet Provided by the Power grid the power grid scheduling local power grid scheduling requirements. company device (Optional) Select a proper model as Prepared by users Rapid required. shutdown switch Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 (Optional) Battery (Recommended cable model: PV1-F) ● Cable outer diameter: 5.5–9 (Optional) Signal Outdoor shielded ● Conductor cross- twisted pair sectional area: 0.2– cable 1 mm ● Cable outer diameter: 4–11 mm Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Connecting The Pe Cable

    PE cable is connected. Supplementary Notes The SUN2000 has the grounding detection function. This function is used to check whether the SUN2000 is properly grounded before the SUN2000 starts, or check Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 ● 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Connecting The Ac Output Power Cable

    Precautions A three-phase AC switch needs to be installed on the AC side of the SUN2000. To ensure that the SUN2000 can safely disconnect itself from the power grid when an Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 SUN2000s multiplied by 100 mA. ● A knife switch cannot be used as an AC switch. Procedure Step 1 Connect the AC output power cable to the AC connector. Figure 5-4 Stripping requirements Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 Failing to do so may cause SUN2000 malfunction and damage to its AC connectors. ● Ensure that the cable is not twisted. Figure 5-5 Three-core cable (L1, L2, and L3) Figure 5-6 Four-core cable (L1, L2, L3, and PE) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Step 2 Connect the AC connector to the AC output port. NO TICE Ensure that the AC connector is connected securely. Figure 5-9 Securing the AC connector Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Installing Dc Input Power Cables

    ● 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 In this case, an AC or DC short circuit may occur and damage the SUN2000. The caused device damage is not covered under any warranty. Terminal Description Figure 5-11 Terminal (1) DC input terminal (2) Battery terminal Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 ● If the PV string is configured with an optimizer, check the cable polarity by referring to the smart PV optimizer quick guide. Figure 5-13 Installing DC input power cables ----End Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Optional) Connecting Battery Cables

    Reinstall the watertight caps immediately after removing the connectors. A battery switch can be configured between the SUN2000 and the battery to ensure that the SUN2000 can be safely disconnected from the battery. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Step 2 Insert the positive and negative connectors into corresponding battery terminals on the SUN2000. NO TICE After the positive and negative connectors snap into place, pull the battery cables back to ensure that they are connected securely. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Install The Smart Dongle

    WLAN-FE Smart Dongle (FE Communication) You are advised to use a Cat 5e outdoor shielded network cable (outer diameter < 9 mm; internal resistance ≤ 1.5 ohms/10 m) and shielded RJ45 connectors. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 ● When removing the SIM card, push it inwards to eject it. ● When reinstalling the shell of the Smart Dongle, ensure that the buckle springs back in place and a click sound is generated. Figure 5-17 Installing a 4G Smart Dongle Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Optional) Connecting The Signal Cable

    ● Ensure that the protective layer of the cable is inside the connector, that excess core wires are cut off from the protection layer, that the exposed core wire is totally inserted into the cable hole, and that the cable is connected securely. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 485B1-1 RS485B, 485B1-2 RS485B, signal port on signal port RS485 RS485 on the differential differential SmartLogger SmartLogger signal– signal– Ground point Ground on the shield point on the layer shield layer Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 /DI4 the GND of shutdown DI DI1/DI2/DI3/ signal port or used as the reserved port for the signal cable of the NS protection device. Networking Modes ● Smart Dongle networking Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 ● If the SUN2000 is networked with the Smart Dongle, it cannot connect to the SmartLogger. ● A DTSU666-H smart power meter (provided by Huawei) is required to prevent backflow. ● The power meter and Smart Dongle must be connected to the same SUN2000.

  • Page 59: Connecting The Rs485 Communications Cable (Inverter Cascading)

    ● If the SUN2000 is networked over the SmartLogger, it cannot connect to the Smart Dongle. ● A DTSU666-H smart power meter (provided by Huawei) is required to prevent backflow. ● To ensure the system response speed, it is recommended that the power meter be connected to one COM port.

  • Page 60: Connecting The Rs485 Communications Cable (Smart Power Sensor)

    Figure 5-22 Securing the signal cable connector ----End 5.7.2 Connecting the RS485 Communications Cable (Smart Power Sensor) Cable Connection The following figure shows the cable connections between the inverter and the Smart Power Sensor. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 SUN2000-(3KTL-10KTL)-M1 User Manual 5 Electrical Connections Figure 5-23 Cable connection (Three Phase Three Wire) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 User Manual 5 Electrical Connections Figure 5-24 Cable connection (Three Phase Four Wire) (1) Shielding layer of the signal cable Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 63: Connecting An Rs485 Communications Cable (Between A Power Meter And A Battery)

    Figure 5-26 Securing the signal cable connector ----End 5.7.3 Connecting an RS485 Communications Cable (Between a Power Meter and a Battery) Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 64: Connecting The Power Grid Scheduling Signal Cable

    Figure 5-28 Securing the signal cable connector ----End 5.7.4 Connecting the Power Grid Scheduling Signal Cable Cable Connection The following figure shows the cable connections between the inverter and the Ripple Control Device. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Step 1 Connect the signal cable to the signal cable connector. Figure 5-30 Installing the cable Step 2 Connect the signal cable to the COM port. Figure 5-31 Securing the signal cable connector ----End Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Connecting A Signal Cable To The Smart Backup Box

    Step 1 Connect the signal cable to the signal cable connector. Figure 5-32 Installing the cable Step 2 Connect the signal cable connector to the COM port. Figure 5-33 Securing the signal cable connector ----End Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 67: 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Sun2000 Power-On

    Step 6 Wait for about 1 minute and observe the LED indicators on the SUN2000 to check its running status. Table 6-2 LED indicator description Category Status Meaning Running LED1 LED2 indication Steady green Steady green The SUN2000 is operating in grid- tied mode. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 1s) the SUN2000. There is no communication. Device LED1 LED2 LED3 replacement Steady red Steady red Steady red The SUN2000 hardware is faulty. indication The SUN2000 needs to be replaced. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 The parameters for intervals (on for connecting to the 0.2s and then off router are not set. for 0.2s) Steady on Abnormal The Smart Dongle is faulty. Replace the Smart Dongle. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 The Smart Dongle is (blinking secured and powered green and red simultaneousl Green The blinking Normal Dialing (lasting for interval is 2s. The less than 1 minute) indicator is on for Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 SIM card is in for 0.2s) poor contact. Check whether the SIM card has been installed or is in good contact. If not, install the SIM card or remove and insert the SIM card. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 – Check whether the SUN2000 matches the Smart Dongle. – Connect the Smart Dongle to another SUN2000. Check whether the Smart Dongle is faulty or the USB port of the SUN2000 is faulty. ----End Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: Man-Machine Interaction

    ● 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 To create multiple installer accounts for a company, log in to the FusionSolar app and tap New User to create an installer account. Figure 7-3 Creating multiple installer accounts for the same company Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Creating A Pv Plant And A User

    ● For details about the physical layout of smart PV optimizers, see Quick Guide . During the FusionSolar app upgrade, scan the QR code to download the correponding quick guide according to the downloaded app version. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 Figure 7-6 Uploading the physical layout template photo (WebUI) Step 2 Log in to https://intl.fusionsolar.huawei.com to access the WebUI of the FusionSolar Smart PV Management System. On the Homepage page, click the plant name to go to the plant page. Select Plant layout. Choose >...
  • Page 78 – Method 2: Tap Add PV modules to manually add PV modules and bind the optimizers to the PV modules. Figure 7-8 Physical layout design of PV modules ----End Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Detect Optimizer Disconnection

    . You can also scan the QR code to obtain the document. 7.2.1 Energy Control On the home screen, tap Power adjustment to perform the corresponding operation. Figure 7-10 Energy control Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 80: Grid-Tied Point Control

    Power control Specifies the dead zone for adjusting hysteresis the SUN2000 output power. If the power fluctuation is within the power control hysteresis, the power is not adjusted. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 Power control Specifies the dead zone for adjusting hysteresis the SUN2000 output power. If the power fluctuation is within the power control hysteresis, the power is not adjusted. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Specifies the percentage of the power maximum active power of the grid- tied point to the PV plant capacity. Power adjustment Specifies the shortest interval for a period single anti-backfeeding adjustment. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 83: Battery Control

    The screenshots in this chapter are taken in the SUN2000 3.2.00.011 app. The app is being updated. The actual screens prevail. Function When the inverter connects to a battery, add the battery and set battery parameters. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Figure 7-12 Adding a battery Parameters Settings On the home screen, choose Power adjustment > Battery control, and set the battery parameters and working mode. Figure 7-13 Battery control parameter setting Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Afci

    Function If PV modules or cables are not properly connected or damaged, electric arcs may occur, which may cause fire. Huawei SUN2000s provide unique arc detection in compliance with UL 1699B-2018 to ensure the safety of users' lives and property.
  • Page 86 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 87: Ips Check (For Italy Cei0-21 Grid Code Only)

    Step 2 Tap Start to start an IPS test. The SUN2000 detects maximum voltage over 10 min (59.S1), maximum overvoltage (59.S2), minimum undervoltage (27.S1), minimum undervoltage (27.S2), maximum overfrequency (81.S1), maximum overfrequency (81.S2), and minimum underfrequency (81.S1), and minimum underfrequency (81.S2). Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 The default overfrequency protection threshold is 50.2 Hz, overfrequency and the default protection time threshold is 0.1s. (81.S1) Maximum The default overfrequency protection threshold is 51.5 Hz, overfrequency and the default protection time threshold is 0.1s. (81.S2) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 89: Smartlogger Networking Scenario

    Distributed PV Plants Connecting to Huawei Hosting Cloud Quick See the Guide (Distributed Inverters + SmartLogger1000A + RS485 Networking) PV Plants Connecting to Huawei Hosting Cloud Quick Guide (Inverters + SmartLogger3000 + RS485 Networking) . You can scan the QR code to obtain it.

  • Page 90: Maintenance

    Step 4 Turn on the DC switch between the PV string and the SUN2000 if there is any. Step 5 (Optional) Turn off the battery switch between the SUN2000 and batteries. ----End Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Routine Maintenance

    ● Minor: Some components are faulty without affecting the grid-tied power generation. ● Warning: The SUN2000 works properly. The output power decreases or some authorization functions fail due to external factors. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 PV modules in the PV string. 2. Check whether the PV string is shaded. 3. Check whether the open- circuit voltage of the PV string is abnormal. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 (NMS) with the consent of the local power operator. 3. If the alarm persists for a long time, check the connection between the AC circuit breaker and the output power cable. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 4. If the AC output power cable is correctly connected, yet the alarm persists and affects the energy yield of the PV plant, contact the local power operator. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 If not, contact the local power operator. If yes, modify the grid underfrequency protection threshold through the app, SmartLogger, or NMS with the consent of the local power operator. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 SUN2000 operation. recovers after the fault is rectified. 2. If the alarm persists or lasts a long time, check whether the impedance between the PV string and ground is too low. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 3. If you have confirmed that the impedance is lower than the specified protection threshold in a cloudy or rainy environment, log in to the app, SmartLogger, or NMS and set the Insulation resistance protection threshold. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 5 minutes. If insufficient. the alarm persists, replace the ● The flash memory has monitoring board or contact bad sectors. your dealer or Huawei technical support. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 Cause ID = 1/2 1. Check whether the device output output is short-circuited. The output is overloaded overload or short-circuited. 2. Check whether the device load configuration exceeds the rated value. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 ● Cause ID 6: ● Cause ID = 7 1. Check whether the The optimizer number of optimizers installation position is connected in series in the changed, or PV strings PV strings connected in Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 3. After 5 minutes, turn on the battery switch, AC output side, AC output switch, and DC input switch. 4. If the alarm persists, contact your dealer or Huawei technical support. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 SUN2000-(3KTL-10KTL)-M1 User Manual 8 Maintenance NO TE Contact your dealer or Huawei technical support if all troubleshooting procedures listed above are completed and the fault still exists. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 103: 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 104: Technical Specifications

    97.7% 98.0% 98.1% efficiency Input Technical SUN2000-3 SUN2000-4 SUN2000-5 SUN2000-6 SUN2000-8 SUN2000-1 Specificatio KTL-M1 KTL-M1 KTL-M1 KTL-M1 KTL-M1 0KTL-M1 Maximum 1100 V input voltage Maximum 11 A input current (per MPPT) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 105 3300 VA 4400 VA 5500 VA 6600 VA 8800 VA 11,000 VA apparent power Maximum 3300 W 4400 W 5500 W 6600 W 8800 W 11,000 W active power (cosφ = 1) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 (THD) AC THDi Protection Technical SUN2000-3 SUN2000-4 SUN2000-5 SUN2000-6 SUN2000-8 SUN2000-1 Specificatio KTL-M1 KTL-M1 KTL-M1 KTL-M1 KTL-M1 0KTL-M1 Overvoltag PV II/AC III e category Input DC Supported switch Islanding Supported protection Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 PV module Optional safe shutdown, optimizer PID repair Optional Display and Communication Technical SUN2000-3 SUN2000-4 SUN2000-5 SUN2000-6 SUN2000-8 SUN2000-1 Specificatio KTL-M1 KTL-M1 KTL-M1 KTL-M1 KTL-M1 0KTL-M1 Display LED and WLAN+app RS485 Supported Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 4000 m (derated when the altitude is greater than 3000 m) operating altitude Storage –40°C to +70°C temperatur Storage 5–95% RH (non-condensing) humidity Input Staubli MC4 terminal Output Waterproof quick-connect terminal terminal Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 109: Optimizer Technical Specifications

    10.2 Optimizer Technical Specifications Efficiency Technical SUN2000-450W-P Specifications Maximum efficiency 99.5% European weighted 99.0% efficiency Input Technical SUN2000-450W-P Specifications Rated PV module 450 W power Maximum PV 472.5 W module power Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 71 mm x 138 mm x 25 mm x D) Net weight ≤ 550 g DC input and Staubli MC4 output terminals Operating –40°C to +85°C temperature Storage –40°C to +70°C temperature Operating humidity 0–100% RH Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 Technical SUN2000-3 SUN2000-4 SUN2000-5 SUN2000-6 SUN2000-8 SUN2000-1 Specificatio KTL-M1 KTL-M1 KTL-M1 KTL-M1 KTL-M1 0KTL-M1 Minimum optimizer number per string Maximum optimizer number per string Maximum 10,000 W DC power per string Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 112: A Grid Code

    IEC 61727 LV grid-tied power grid (50 Hz) Custom (50 Hz) Reserved Custom (60 Hz) Reserved TAI-PEA Thailand grid-tied standard power grid TAI-MEA Thailand grid-tied standard power grid EN50438-TR Turkey LV power grid code Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 EN50549-SE Sweden LV power grid AS4777_ACT Australia power grid AS4777_NSW_ESS Australia power grid AS4777_NSW_AG Australia power grid AS4777_QLD Australia power grid AS4777_SA Australia power grid AS4777_VIC Australia power grid EN50549-PL Poland Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 114: B Device Commissioning

    SUN2000-(3KTL-10KTL)-M1 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 ● 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 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 117: C Resetting Password

    Obtain the initial WLAN hotspot name (SSID) and initial password (PSW) from the label on the side of the SUN2000 and connect to the app. On the login screen, set a new login password and log in to the app. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 118 Figure C-2 Setting router parameters ● Setting management system parameters Log in to the FusionSolar app, choose Device Commissioning > Settings > Communication configuration > Management System Configuration, and set management system parameters. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 (Optional) Resetting the WLAN password Log in to the FusionSolar app, choose Device Commissioning > Settings > Communication configuration > Inverter WLAN settings, and reset the WLAN password. Figure C-4 Resetting the WLAN password ----End Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 120: D Rapid Shutdown

    Method 3: Set the DC switch at the bottom of the SUN2000 to OFF. (Turning off an extra switch on the DC side of the SUN2000 will not trigger rapid shutdown. The PV string may be energized.) Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 121: E Locating Insulation Resistance Faults

    ON/OFF on the app and send a shutdown command. Set the DC switch to OFF and go to Step 2 to connect another PV string to the solar inverter for a check. Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 122 – If the Low Insulation Resistance alarm is not reported one minute after the DC is supplied, the inspection on the PV string is complete. Choose Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 123 Set the DC switch to ON. If the solar inverter status is Shutdown: Command, choose Device Commissioning > Maintenance > Inverter ON/OFF on the app and send a startup command. ----End Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 124: F Acronyms And Abbreviations

    SUN2000-(3KTL-10KTL)-M1 User Manual F Acronyms and Abbreviations Acronyms and Abbreviations light emitting diode maximum power point MPPT maximum power point tracking photovoltaic Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd.

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