Huawei SUN2000-50KTL-M0 User Manual
  1. Manuals
  2. Brands
  3. Huawei Manuals
  4. Inverter
  5. SUN2000-50KTL-M0
  6. User manual

Huawei SUN2000-50KTL-M0 User Manual

Hide thumbs Also See for SUN2000-50KTL-M0:
Table of Contents

Advertisement

Quick Links

See also: Quick Manual
SUN2000-(50KTL-M0, 70KTL-INM0)
User Manual (India Edition)
Issue
03
Date
2019-07-30
HUAWEI TECHNOLOGIES CO., LTD.

Advertisement

Table of Contents
loading

Related Manuals for Huawei SUN2000-50KTL-M0

Summary of Contents for Huawei SUN2000-50KTL-M0

  • Page 1 SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) Issue Date 2019-07-30 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...

  • Page 3: About This Document

    About This Document About This Document Purpose This document describes the SUN2000-50KTL-M0 and SUN2000-70KTL-INM0 (SUN2000 for short) in terms of its 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 SUN2000. Issue 02 (2018-07-30) Updated 5.4 Installing the AC Output Power Cable. Updated 7.2.1.3 Setting Feature Parameters. Updated Troubleshooting. Issue 01 (2018-04-01) This issue is used for first office application (FOA). Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5.4 Installing the AC Output Power Cable ........................37 5.5 Connecting DC Input Power Cables ........................... 45 5.6 Installing the Communications Cable ......................... 51 5.6.1 Communication Mode Description .......................... 51 5.6.2 Installing the RS485 Communications Cable ......................53 Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 9 Handling the Inverter ....................... 100 9.1 Removing the SUN2000 ............................100 9.2 Packing the SUN2000 ............................... 100 9.3 Disposing of the SUN2000 ............................100 10 Technical Specifications ......................101 A Acronyms and Abbreviations ....................105 Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Safety Precautions

    Huawei. The safety precautions provided in this document do not cover all the safety precautions. Huawei shall not be liable for any consequence caused by the violation of the safety operation regulations and design, production, and usage standards.
  • Page 8 Obtain approval from the local electric utility before using the SUN2000 to generate electricity in grid-tied mode.  Ensure that the cables used in a grid-tied PV system are properly connected and insulated and meet all specification requirements. Operation Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 Temporary warning labels or fences must be placed to prevent unauthorized people entering the site.  Rectify any faults that may compromise the SUN2000 security performance before powering on the SUN2000 again.  Observe electrostatic discharge (ESD) precautions during maintenance. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Overview

    50K: The power level is 50 kW.  70K: The power level is 70 kW. Topology TL: transformerless Region IN: India Design code M0: the product series with the 1100 V DC input voltage Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 (C) ACDU (D) Step-up transformer (E) Power grid Supported Power Grid The SUN2000-50KTL-M0 supports the following power grids: TN-S, TN-C, TN-C-S, TT, and IT. The SUN2000-70KTL-INM0 supports the IT power grid only. Figure 2-3 Supported power grid Issue 03 (2019-07-30)

  • Page 12: Appearance

    PV strings, or the DC input voltage of each MPPT circuit is less than 200 V. Grid-tied LED Steady green The SUN2000 is exporting power to the power grid. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 13 If the alarming and the local maintenance happen concurrently, the alarm/maintenance indicator shows the local maintenance state first. After the USB flash drive, WLAN module, Bluetooth module, or USB data cable is removed, the indicator shows the alarm state. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 Inner diameter: 14–18 mm USB port Holes Reserved at the Side of the Enclosure There are two M6 tapped holes reserved on both sides of the enclosures, which are used for installing an awning. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Label Description

    SUN2000. Grounding Indicates the position for connecting the PE cable. Operation warning Do not remove the DC input connector when the SUN2000 is running. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 3. Turn off the two DC switches at the bottom. SUN2000 serial number Indicates the SUN2000 (SN) label Weight label The SUN2000 needs to be carried by four people or using a pallet truck. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Product Nameplate

    SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) 2 Overview 2.3.2 Product Nameplate Figure 2-4 Nameplate of the SUN2000-50KTL-M0 (1) Trademark, product name, and model (2) Important technical specifications number (3) Compliance symbols (4) Company name and place of production The nameplate figure is for reference only.

  • Page 18: Working Principles

    SUN2000 to track the maximum power point of the PV strings. The DC power is then converted into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Figure 2-5 SUN2000-50KTL-M0 conceptual diagram Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Working Modes

    SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) 2 Overview Figure 2-6 SUN2000-70KTL-INM0 conceptual diagram 2.4.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 In Standby or Operating mode, the SUN2000 enters Shutdown mode after detecting a fault or shutdown command.  In Shutdown mode, the SUN2000 enters Standby mode after detecting a startup command or that the fault is rectified. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Storage

    Regular inspection is required during the storage. Replace the packing materials when necessary.  After long-term storage, an inspection and test conducted by qualified persons are necessary before the SUN2000 is put into use. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Installation

    After unpacking the inverter, check that the contents are intact and complete. If any damage is found or any component is missing, contact your supplier. For details about the number of contents, see the Packing List in the packing case. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Tools

    Cable cutter Crimping tool RJ45 crimping tool Model: UTXTC0005 or H4TC0003; manufacturer: Amphenol Removal wrench Vacuum cleaner Multimeter Marker Model: H4TW0001; DC voltage measurement range ≥ manufacturer: Amphenol 1100 V DC Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Determining The Installation Position

     Do not install the SUN2000 in areas with flammable or explosive materials.  Do not install the SUN2000 at a place within children's reach. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Space Requirements

    SUN2000 is noticeable. 4.3.2 Space Requirements  Reserve enough clearance around the SUN2000 and determine an appropriate installation tilt to ensure sufficient space for installation and heat dissipation. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 SUN2000, and maintaining the SUN2000 in future, it is recommended that the bottom clearance be in the range of 600 mm to 730 mm. If you have any questions about the clearances, consult the local technical support engineers. Figure 4-4 Installation tilts Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Stacked installation is not recommended. Figure 4-5 Horizontal installation mode (recommended) Figure 4-6 Triangle installation mode (recommended) Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Installing The Mounting Bracket

    Mark any hole in each group based on site requirements and mark four holes in total. Two round holes are preferred. Before installing the mounting bracket, remove the security torx wrench from the mounting bracket and save it for later use. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Support-Mounted Installation

    Step 1 Determine the positions for drilling holes using the mounting bracket. Level the positions of mounting holes using a bubble or digital level, and mark the positions with a marker. Figure 4-10 Determining hole positions Step 2 Drill holes using a hammer drill. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 M12x40 bolt assemblies are provided with the SUN2000. If the bolt length does not meet the installation requirements, prepare M12 bolt assemblies by yourself and use them together with the provided M12 nuts. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Wall-Mounted Installation

    Step 1 Determine the positions for drilling holes using the mounting bracket. Level the positions of mounting holes using a bubble or digital level, and mark the positions with a marker. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 You need to prepare expansion bolts. M12x60 stainless steel expansion bolts are recommended. Figure 4-14 Drilling a hole and installing an expansion bolt Avoid drilling holes in the utility pipes and/or cables attached to back of the wall. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Installing The Sun2000

    Figure 4-15 Securing a mounting bracket ----End 4.5 Installing the SUN2000 Installation Precautions Before installing the SUN2000, take it out from the packing case and move it to the installation position. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 Step 3 Lift the SUN2000 and turn it upright. To prevent device damage and personal injury, keep balance when raising the SUN2000 because it is heavy. Step 4 Run a lifting sling through the lifting eyes of the SUN2000. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 When lifting the SUN2000, keep balance to prevent the SUN2000 impacting with a wall or other objects. Figure 4-17 Lifting a SUN2000 The figure is for reference only. Step 5 Install the SUN2000 on the mounting bracket. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) 4 Installation Figure 4-18 Mounting the SUN2000 onto a mounting bracket Step 6 Tighten the two antitheft screws using a security torx wrench. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) 4 Installation Figure 4-19 Tightening antitheft screws ----End Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Electrical Connections

    If a copper-clad aluminum cable is used, use a copper wiring terminal.  If an aluminum alloy cable is used, use a copper to aluminum adapter terminal or an aluminum wiring terminal with a copper to aluminum adapter washer. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Ensure that the aluminum side of the washer contacts the aluminum wiring terminal, and the copper side contacts the AC terminal block. Figure 5-1 Requirements for the OT terminal Crimping the OT terminal Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Opening The Maintenance Compartment Door

    Figure 5-2 Crimping the OT Terminal (1) Cable (2) Core wire (3) Heat shrink tubing (4) OT terminal (5) Hydraulic pliers (6) Heat gun 5.3 Opening the Maintenance Compartment Door Precautions Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 Figure 5-3 Loosening screws If the screws on the enclosure door are lost, obtain spare screws from the fitting bag bound to the inductor cover at the bottom of the enclosure. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 Step 2 Open the maintenance compartment door and keep it open with the support bar. Figure 5-5 Keeping the door open with a support bar Step 3 Remove the cover and hang it on the hook of the door. Figure 5-6 Removing a cover ----End Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Installing The Ac Output Power Cable

    SUN2000 immediately disconnects from the power grid.  If an AC switch that can detect residual current is installed outside the SUN2000-50KTL-M0, the residual current value to trigger the switch should be greater than 550 mA.
  • Page 44 If you connect a ground cable to the ground point in the maintenance compartment in a scenario with no neutral wire, you are advised to use a four-core (L1, L2, L3, and PE) outdoor cable as the AC output power cable for the SUN2000-50KTL-M0. ...
  • Page 45 Installing the AC Output Power Cable Step 1 Remove the locking cap from the AC OUTPUT cable gland and then remove the plug. Step 2 Route the cable through the cable gland. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Step 3 Remove an appropriate length of the jacket and insulation layer from the AC output power cable using a wire stripper. Ensure that the jacket is in the maintenance compartment. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 Figure 5-9 Three-core cable (excluding the ground cable) (A) Core wire (B) Insulation layer (C) Jacket Figure 5-10 Four-core cable (including the ground cable) Figure 5-11 Four-core cable (excluding the ground cable but including the neutral wire) Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 If the AC output power cables are subject to a pulling force because the inverter is not installed stably, ensure that the last cable that bears the stress is the PE cable. Figure 5-13 SUN2000-70KTL-INM0 (excluding the ground cable) Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) 5 Electrical Connections Figure 5-14 SUN2000-70KTL-INM0 (including the ground cable) Figure 5-15 SUN2000-50KTL-M0 (excluding the ground cable and neutral wire) Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) 5 Electrical Connections Figure 5-16 SUN2000-50KTL-M0 (including the ground cable but excluding the neutral wire) Figure 5-17 SUN2000-50KTL-M0 (excluding the ground cable but including the neutral wire) Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Connecting Dc Input Power Cables

    SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) 5 Electrical Connections Figure 5-18 SUN2000-50KTL-M0 (including the ground cable and neutral wire) The cable colors shown in figures are for reference only. Select an appropriate cable according to the local standards. Step 6 Tighten the cable gland.
  • Page 52 The SUN2000 provides 12 DC input terminals, among which terminals 1 to 6 are controlled by DC switch 1 and terminals 7 to 12 are controlled by DC switch 2. Figure 5-19 DC terminals Select DC input terminals according to the following rules: Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Use the Amphenol Helios H4 PV connectors supplied with the SUN2000. If the PV connectors are lost or damaged, purchase the connectors of the same model. The device damage caused by incompatible PV connectors is not covered under any warranty. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 (1) Locator Figure 5-21 Preparing positive and negative connectors (using metal cold forming contacts) (1) Positive metal contact (cold forming) (2) Negative metal contact (cold forming) (3) Positive connector (4) Negative connector Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 Step 2 Use a multimeter to measure the DC voltage between the positive and negative of the PV string and confirm the string polarity. The DC voltage measurement range of the multimeter must be at least 1100 V. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Step 4 Insert the positive and negative connectors into the corresponding positive and negative DC input terminals of the SUN2000 until they snap into place. After the positive and negative connectors snap into place, pull test to the DC input power cable is recommended. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Installing The Communications Cable

    WebUI, or the network management software (such as the NetEco) on the PC to query information about the SUN2000, such as energy yield, alarms, and running status.  Figure 5-25 shows the communication mode for a single SUN2000. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 The built-in MBUS (PLC) module in the SUN2000 does not need to be connected with additional cables. Selecting a Communication Mode The RS485 and MBUS (PLC) communication modes are mutually exclusive. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 59: Installing The Rs485 Communications Cable

    When laying out communications cables, separate them from power cables to avoid strong signal interference sources. 5.6.2.1 Terminal Block Connection Terminal Block Port Definitions Figure 5-27 shows an RS485 terminal block. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 Step 1 Remove an appropriate length of the jacket and core wire insulation layer from the communications cable using a wire stripper. Figure 5-28 Stripping an RS485 communications cable Step 2 Route the communications cable through the cable gland. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 (4) RS485B OUT Step 4 Land the cables in the terminal block, and bond the shield layer to the ground point. When connecting the shielded cable, crimp the OT terminal if required. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Figure 5-31 Connecting communications cables Step 5 Bundle communications cables after connecting them. Figure 5-32 Bundling communications cables Step 6 Tighten the thread-lock sealing nut and seal the waterproof connector. ----End Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 63: Connecting Cables To The Rj45 Network Port

    RS485A, differential signal+ Orange RS485B, differential signal– White-and-green Blue RS485A, differential signal+ White-and-blue RS485B, differential signal– Green White-and-brown Brown Connecting Cables to the RJ45 Network Port Step 1 Prepare an RJ45 connector. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Step 2 Route the communications cable through the cable gland. Figure 5-35 Routing a cable Step 3 Insert the RJ45 connector into the RJ45 network port in the SUN2000 maintenance compartment. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Figure 5-36 Connecting communications cables Step 4 Bundle communications cables after connecting them. Figure 5-37 Bundling communications cables Step 5 Tighten the thread-lock sealing nut and seal the waterproof connector. ----End Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Optional) Installing The Solar Tracker Power Cable

    (Ensure that the jacket is in the maintenance compartment.) Figure 5-38 Stripping a cable (A) Core wire (B) Insulation layer (C) Jacket Step 2 Route the cable through the cable gland. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Step 3 Connect the solar tracker power cable to the terminal block, and secure the terminal using a torque wrench with an extension rod. Figure 5-40 Connecting a solar tracker power cable Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 (A) Core wire (B) Insulation layer (C) Jacket Step 2 Remove the shielding cover from wiring terminals. Figure 5-42 Removing a shielding cover Step 3 Route the cable through the cable gland. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 5 Electrical Connections Figure 5-43 Routing a cable Step 4 Connect the solar tracker power cable. Figure 5-44 Connecting a solar tracker power cable Step 5 Install the shielding cover on wiring terminals. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 70: Closing The Maintenance Compartment Door

    Step 6 Tighten the cable gland and seal the waterproof connector. ----End 5.7 Closing the Maintenance Compartment Door Procedure Step 1 Install the AC terminal cover. Figure 5-46 Installing a cover Step 2 Retrieve the support bar. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 User Manual (India Edition) 5 Electrical Connections Figure 5-47 Retrieving a support bar Step 3 Close the maintenance compartment door and tighten the two screws on the door. Figure 5-48 Tightening screws ----End Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Commissioning

    6.2 Powering On the SUN2000 Precautions Before turning on the AC switch between the SUN2000 and the power grid, use a multimeter to check that the AC voltage is within the specified range. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 SUN2000 app.  Use the USB data cable delivered with the mobile phone. The port type is USB 2.0.  The screen snapshots in this document correspond to app 3.2.00.001 (Android). Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 Figure 6-2 Login screen Figure 6-3 Selecting a connection mode Step 4 Tap the user name area on the SUN2000 app to switch between Common User, Advanced User, and Special User. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 You are advised to log in to the Quick Settings screen as Advanced User for parameter settings.  Set the correct grid code based on the application region and scenario of the SUN2000. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 SUN2000s on each RS485 route must be within the address range set on the SmartLogger and cannot be duplicate. Otherwise, the communication will fail. In addition, the baud rates of all the SUN2000s on each RS485 route must be consistent with the SmartLogger baud rate. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Powering Off The System

    Step 1 Run a shutdown command on the SUN2000 app, SmartLogger, or NMS. For details, see the SUN2000 App User Manual, SmartLogger1000 User Manual, SmartLogger2000 User Manual, or iManager NetEco 1000S User Manual. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) 6 Commissioning Step 2 Turn off the AC switch between the SUN2000 and the power grid. Step 3 Turn off both DC switches. ----End Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Man-Machine Interactions

    Step 2 Import the boot script file to a PC. (Optional) The boot script file can be opened as a .txt file, as shown in Figure 7-1. Figure 7-1 Boot script file Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 Step 5 Insert the USB flash drive into a computer and check the exported data. When the configuration export is complete, the boot script file and exported file are in the root directory of the USB flash drive. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Importing Configuration

    Blinking green at short intervals (on An operation with a USB for 0.125s and then off for 0.125s) flash drive has failed. Steady green An operation with a USB flash drive is successful. ----End Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Exporting Data

    After the data is exported, the boot script file and exported data file are saved in the root directory of the USB flash drive. ----End 7.1.4 Upgrading Procedure Step 1 Obtain the software upgrade package from the technical support website. Step 2 Decompress the upgrade package. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 (on for 1s and then off for 1s) for 1 minute until becoming steady on, which indicates that the upgrade is successful. The SUN2000 can also be locally upgraded through the Inverter Upgrade on the SUN2000 app. For details, see the SUN2000 APP User Manual. ----End Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 84: Operations With The Sun2000 App

    SUN2000 is used and the SUN2000 application scenario. Isolation Specifies the working mode of the SUN2000 according to the grounding status at the DC side and the connection status to the grid. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Setting Protect Parameters

    SUN2000 does not export power to the power grid. 7.2.1.3 Setting Feature Parameters Procedure Step 1 Choose Function Menu > Settings > Feature Parameters to access the settings screen. Figure 7-4 Feature parameters (advanced user) Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 PID voltage compensation during the reactive power compensation at night. Power quality If Power quality optimization mode is optimization mode set to Enable, the inverter output current harmonics will be optimized. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 When the PV strings connect to one another in parallel outside the inverter and then connect to the inverter independently (fully parallel connection), set this parameter to All PV strings connected. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 The false alarms caused This parameter is displayed when coefficient by fixed shadow shading can be controlled String monitor is set to Enable. by changing this parameter. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 89: Operations Related To The Special User

    SUN2000. 7.2.2.1 Setting Grid Parameters Procedure Step 1 Choose Function Menu > Settings > Grid Parameters to access the settings screen. Figure 7-5 Grid parameters (special user) ----End Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 SUN2000 must not export power to (Hz) the power grid again when the grid frequency is below the value of Grid reconnection frequency lower limit after the SUN2000 shuts down due to a fault. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Setting Protection Parameters

    Parameter List Vn represents the rated voltage and Fn represents the rated frequency. Parameter Description Unbalance voltage protection (%) Specifies the SUN2000 protection threshold in the case of unbalanced power grid voltage. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 92: Setting Feature Parameters

    Level-1 UF protection time (ms) Specifies the level-1 underfrequency protection duration. 7.2.2.3 Setting Feature Parameters Procedure Step 1 Choose Function Menu > Settings > Feature Parameters to access the settings screen. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 Used for (min) automatic shutdown for protection in case of communication interruption. Soft start time (s) Specifies the duration for the power to gradually increase when the inverter starts. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 Specifies whether to enable the active islanding protection function. Soft start time after Specifies the time for the power to gradually grid failure (s) increase when the SUN2000 restarts after the power grid recovers. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 95: Setting Power Adjustment Parameters

    Maximum active power Specifies the output upper threshold for the Pmax_limit: upper threshold for the (kW) maximum active power to adapt to various active power output market requirements. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 Reactive power output at night is setting of Reactive power compensation at set to Enable. night. Otherwise, the inverter executes the remote scheduling command. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 Communication disconnection time (s) SmartLogger or Smart Dongle. fail-safe is set to Enable. Fail-safe power Specifies the derating value of the inverter threshold (%) active power by percentage. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 98: Maintenance

    Once every six months status damaged or deformed.  Check that the running sound of the SUN2000 is normal.  When the SUN2000 is running, check that all SUN2000 parameters are correctly set. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 99: Troubleshooting

     Minor: Some components are faulty without affecting the grid-tied power generation.  Warning: The inverter works properly. The output power decreases or some authorization functions fail due to external factors. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 PV modules in correspond to PV strings 1 to 12. series to this PV string. 2. Check the open-circuit voltage of the PV string. 3. Check that the PV string is not shaded. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 3. If the fault persists for a long time, check the AC circuit breaker and AC output power cable. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 If no, contact the local power operator. If yes, modify the power grid overfrequency protection threshold with the consent of the local power operator. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 Compon output current exceeds the specified fault is rectified. upper threshold. Overhig 2. If the alarm occurs frequently and affects the power production of the PV plant, contact Huawei technical support. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 3. The SUN2000 is not working the ventilation and heat properly. dissipation. 2. If the ventilation and ambient temperature both meet requirements, contact Huawei technical support. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 105 2. If the fault persists, contact your supplier/Huawei technical support. Contact Huawei technical support if all failure analysis procedures listed above are completed and the fault still exists. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 106: Handling The Inverter

    If the original packing materials are not available, put the SUN2000 inside a suitable cardboard box and seal it properly. 9.3 Disposing of the SUN2000 If the SUN2000 service life expires, dispose of it according to the local disposal rules for electrical equipment waste. Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 107: Technical Specifications

    PV array Operating voltage range 200–1000 V Full power MPPT voltage 625–850 V 520–800V range Rated input voltage 750 V 600 V@380 V/400 V, 620 V@415 V Number of inputs Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 < 3% distortion (rated power) Note a: The rated output voltage of the SUN2000-50KTL-M0 is determined by Grid code, which can be set on the SUN2000 app, SmartLogger, or NetEco. Note b: Choose whether to connect the neutral wire to the SUN2000-50KTL-M0 based on the application scenario.
  • Page 109 PV modules at night, power off the SUN2000 to avoid electric shocks. Display and Communication Item SUN2000-70KTL-INM0 SUN2000-50KTL-M0 Display LED indicator, Bluetooth module+app, USB data cable+app, and WLAN module+app RS485 Supported MBUS (PLC) Supported Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 Operating temperature Cooling mode Natural convection Highest operating altitude 4000 m Humidity 0%–100% RH Input terminal Amphenol Helios H4 Output terminal Waterproof cable connector+OT terminal Ingress Protection Rating IP65 Topology Transformerless Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 111: A Acronyms And Abbreviations

    Acronyms and Abbreviations central controller HVRT high voltage ride-through light emitting diode LVRT low voltage ride-through maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic residual current device Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 SUN2000-(50KTL-M0, 70KTL-INM0) User Manual (India Edition) A Acronyms and Abbreviations waste electrical and WEEE electronic equipment Issue 03 (2019-07-30) Copyright © Huawei Technologies Co., Ltd.

This manual is also suitable for:

Sun2000-70ktl-inm0

Table of Contents