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Huawei SUN2000 MB0 Series User Manual

Huawei SUN2000 MB0 Series User Manual

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SUN2000-(12K-25K)-MB0 Series
User Manual
Issue
01
Date
2023-04-30
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000 MB0 Series

  • Page 1 SUN2000-(12K-25K)-MB0 Series User Manual Issue Date 2023-04-30 HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei Digital Power Technologies Co., Ltd. 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

    The symbols that may be found in this document are defined as follows. Symbol Description Indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 4 Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Issue 01 (2023-04-30) This issue is used for first office application (FOA). Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5.3 Connecting an AC Output Power Cable........................41 5.4 Connecting DC Input Power Cables..........................45 5.5 Connecting Signal Cables..............................49 5.5.1 Connecting the RS485 Communications Cable (Inverter Cascading)............. 52 5.5.2 Connecting an RS485 Communications Cable (Power Meter)................53 Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 6 A Grid Codes..........................119 B Connecting to the Inverter....................124 C Resetting Password......................126 D Locating Insulation Resistance Faults................127 E Rapid Shutdown........................131 F Acronym and Abbreviation....................133 Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 7: Safety Information

    ● The equipment is operated beyond the conditions specified in this document. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 8: 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 9 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 10: 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 11 Only qualified professionals can replace a damaged cable. ● Do not scrawl, damage, or block any labels or nameplates on the equipment. Promptly replace labels that have worn out. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 12: Environment Requirements

    1.3 Environment Requirements D ANGER Do not expose the equipment to flammable or explosive gas or smoke. Do not perform any operation on the equipment in such environments. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 13 Do not install the equipment in an area conducive to the growth of microorganisms such as fungus or mildew. ● Do not install the equipment in an area with strong vibration, noise, or electromagnetic interference. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 14: Mechanical Safety

    Equipment with scratches cannot be exposed for an extended period of time. ● Do not perform operations such as arc welding and cutting on the equipment without evaluation by the Company. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 15 When moving the equipment, assign dedicated personnel to take care of it. ● Choose sea or roads in good conditions for transportation as transportation by railway or air is not supported. Avoid tilt or jolt during transportation. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 16 ● If you use a single ladder to climb up to a platform, ensure that the ladder is at least 1 m higher than the platform. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 17 Drilling Holes ● Obtain consent from the customer and contractor before drilling holes. ● Wear protective equipment such as safety goggles and protective gloves when drilling holes. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 18 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 19: Overview

    SUN2000-17K-MB0-ZH ● SUN2000-20K-MB0-ZH ● SUN2000-25K-MB0-ZH Figure 2-1 Model number (using SUN2000-15K-MB0-ZH as an example) Table 2-1 Model number description Item Description Series name SUN2000: three-phase grid-tied PV string inverter Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 20: Networking Application

    The SUN2000 applies to residential rooftop grid-tied systems and small-sized ground grid-tied PV plants. The system consists of PV strings, grid-tied inverters, AC switches, and power distribution units (PDUs). Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 21 (H) WLAN-FE Smart (I) Router Dongle (J) FusionSolar (K) FusionSolar app (L) Load management system (M) Power grid (N) Rapid shutdown (O) Optimizer scheduling device switch (P) Slave devices Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 22 ● In a TT power grid, the N-PE voltage should be lower than 30 V. ● In an IT power grid, you need to set isolation settings to input not grounded, with a transformer. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 23: Appearance

    (11) DC input terminals (PV4+ and (12) DC input terminals (PV3+ and PV4–) PV3–) (13) DC input terminals (PV2+ and (14) DC input terminals (PV1+ and PV2–) PV1–) (15) Smart Dongle port (4G/WLAN-FE) Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 24 Low Insulation Resistance. Blinking red fast There is an AC environmental alarm, such as Grid Undervoltage, Grid Overvoltage, Grid Overfrequency, or Grid Underfrequency. Steady red Steady red A fault exists. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 25: Working Modes

    Steady red The inverter hardware is indication faulty and needs to be replaced. 2.4 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Figure 2-5 Working modes Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 26: Label Description

    It takes 5 minutes for the inverter to discharge to the safe voltage. Burn warning Do not touch the inverter when it is running because its enclosure is hot. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 27 The inverter is heavy and needs to be carried by multiple persons. Serial number Indicates the product (SN) Media access Indicates the MAC control (MAC) address of the inverter. address Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 28 The nameplate contains the trademark, product model, important technical specifications, compliance symbols, company name, and place of origin. NO TE Scan the QR code on the nameplate to view related product information and documents. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 29: Storage Requirements

    ● If the SUN2000 has been stored for more than two years, it must be checked and tested by professionals before being put into use. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 30: Installation

    A salt area refers to a region within 500 m of the coast or prone to sea breeze. Regions prone to sea breeze vary with weather Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 31: Space 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 Clearances ● Reserve enough clearances around the inverter to ensure sufficient space for installation and heat dissipation. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 32 When installing multiple inverters, install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is available. Stacked installation is not recommended. Figure 4-4 Horizontal installation mode (recommended) Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 33: Tools

    Hammer drill Phillips insulated Hex insulated Insulated torque torque torque socket wrench Drill bit: Ф8 screwdriver screwdriver mm, Ф6 mm Hex key Diagonal pliers Hydraulic pliers Wire stripper Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 34 Vacuum cleaner Model: PV- DC voltage CZM-22100/191 measurement range ≥ 1100 V Manufacturer: Staubli Cord end Marker Steel measuring Level terminal tape crimping tool Heat shrink Heat gun tubing Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 35: Checking Before Installation

    NO TE For details about the number of contents, see the Packing List in the packing case. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 36: Moving An Inverter

    ● The expansion bolts delivered with the inverter are used for solid concrete walls. For other types of walls, prepare bolts by yourself and ensure that the wall meets the load bearing requirements of the inverter. Figure 4-6 M6 expansion bolt structure Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 37 DC SWITCH to prevent the inverter from being started by mistake. ● Perform this step for models used in Australia based on local standards. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 38: Installing An Inverter (Support Mounting)

    Step 2 Drill holes using a hammer drill. NO TE You are advised to apply anti-rust paint on the hole positions for protection. Step 3 Secure the mounting bracket. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 39 ● Perform this step for models used in Australia based on local standards. Figure 4-11 Installing the DC switch locking screw Step 5 Install the inverter on the mounting bracket. Step 6 Tighten the bolt assemblies. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 40 SUN2000-(12K-25K)-MB0 Series User Manual 4 Installation Figure 4-12 Installing an Inverter ----End Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 41: 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 42: Preparing Cables

    Select cables in accordance with local cable specifications (green-and-yellow cables are only used for protective earthing). 5.1 Preparing Cables Figure 5-1 SUN2000 cable connections (the components in dashed boxes are optional) Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 43 Select a proper model as Prepared by the switch required. customer Power grid Select the device that meets the Provided by the scheduling device power grid scheduling local power grid requirements. company Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 44 Common 5.5–9 mm 4–6 mm cable outdoor PV cable in the industry (Optional) Two-core 4–11 mm 0.2–1 mm (0.5 mm RS485 outdoor recommended) communications shielded cable twisted pair cable Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 45: Connecting A Pe Cable

    This function is only available under limited conditions. To ensure the safe operation of the inverter, properly ground the inverter according to the connection Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 46 ● 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 47: Connecting An Ac Output Power Cable

    To ensure that the inverter can safely disconnect itself from the power grid when an exception occurs, select a proper overcurrent protection device in compliance with local power distribution regulations. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 48 300 mA. ● The AC switch cannot be a knife switch. Procedure Step 1 Connect the AC output power cable to the AC connector. Figure 5-4 Wire stripping requirements Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 49 AC connector may be damaged. ● 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 50 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 51: Connecting Dc Input Power Cables

    ● If no PV string connects to a DC input terminal of the inverter, do not remove the waterproof cap from the DC input terminal. Otherwise, the protection level of the inverter will decrease. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 52 In this case, an AC or DC short circuit may occur and damage the inverter. The resulting device damage is not covered by the product warranty. Terminal Description Figure 5-11 DC input terminals Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 53 Using incompatible positive and negative metal terminals and DC connectors may result in serious consequences. The resulting device damage is not covered by the product warranty. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 54 To remove the positive and negative connectors from the inverter, insert an open- end wrench into the notch and press the wrench with an appropriate force. Figure 5-13 Removing a DC connector Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 55: Connecting Signal Cables

    485A1- RS485A, RS485 cascading RS485 inverter differential differenti cascading signal+ connecting al signal+ to the connectin RS485 g to the signal port RS485 of a signal port of a Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 56 DIN1, g to GND shutdown DIN2, of DIN1, DI signal or DIN3, or DIN2, connecting DIN4 DIN3, or to the DIN4 signal cable of an NS protection device Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 57 ● A power meter is required for export limitation. Select a power meter based on the site requirements. ● To ensure quick responses of the system, you are advised to connect the power meter separately to a COM port. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 58: Connecting The Rs485 Communications Cable (Inverter Cascading)

    Step 1 Connect the signal cable to the signal cable connector. Figure 5-17 Installing the cable Step 2 Connect the signal cable connector to the COM port. Figure 5-18 Securing the signal cable connector ----End Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 59: Connecting An Rs485 Communications Cable (Power Meter)

    Cable Connections ● The following figures show the cable connections between the inverter and DTSU666-H and YDS60-C24 power meters. Figure 5-19 DTSU666-H three-phase, three-wire cable connection (Smart Dongle networking) Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 60 SUN2000-(12K-25K)-MB0 Series User Manual 5 Electrical Connections Figure 5-20 YDS60-C24 three-phase, three-wire cable connection (Smart Dongle networking) Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 61 User Manual 5 Electrical Connections Figure 5-21 Three-phase, four-wire connection (Smart Dongle networking) ● The following figures show the cable connections between the inverter and DTSU666-HW and YDS60-80 power meters. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 62 SUN2000-(12K-25K)-MB0 Series User Manual 5 Electrical Connections Figure 5-22 Three-phase, three-wire direct connection (Smart Dongle networking) Figure 5-23 Three-phase, four-wire direct connection (Smart Dongle networking) Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 63 SUN2000-(12K-25K)-MB0 Series User Manual 5 Electrical Connections Figure 5-24 Three-phase, three-wire direct connection (SmartLogger networking) Figure 5-25 Three-phase, four-wire direct connection (SmartLogger networking) (1) Shielding layer of the signal cable Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 64 Procedure Step 1 Connect the signal cable to the signal cable connector. Figure 5-26 Installing the cable Step 2 Connect the signal cable to the COM port. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 65: Connecting The Rapid Shutdown Signal Cable

    13 and 15. The switch is closed by default. The rapid shutdown is triggered when the switch changes from closed to open. Figure 5-28 Installing the cable Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 66: Connecting The Power Grid Scheduling Signal Cable

    The following figure shows the cable connections between the inverter and the Ripple Control Device. Figure 5-30 Cable connection Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 67 SUN2000-(12K-25K)-MB0 Series User Manual 5 Electrical Connections Figure 5-31 Installing the cable Step 2 Connect the signal cable to the COM port. Figure 5-32 Securing the signal cable connector ----End Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 68: Connecting The Ns Protection Signal Cables

    Dry contact function to NS protection. Figure 5-33 Connecting cascaded inverters to the NS protection switch Step 1 Connect the signal cables of the cascaded inverters to the signal cable connectors. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 69 AI1 port is 0 V and the inverter shuts down. When the NS protection device is reconnected, the voltage of the AI1 port is 12 V and you need to manually start the inverter. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 70: Optional) Installing The Smart Dongle And Anti-Theft Components

    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. Figure 5-37 Installing a WLAN-FE Smart Dongle (FE communication) Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 71 ● When reinstalling the cover of the Smart Dongle, ensure that the buckles spring back in place with a click sound. Figure 5-39 Installing a 4G Smart Dongle (SDongleB-06) Figure 5-40 Installing anti-theft components for the Smart Dongle Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 72: Power-On And Commissioning

    The AC output power cable, DC input power cable, and signal cable are connected correctly, securely, and reliably. Unused terminals and ports Unused terminals and ports are locked by watertight caps. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 73: Powering On The Inverter

    Step 6 Observe the LED indicators to check the status of the inverter. Table 6-2 LED indicator description Category Status Description Running LED1 LED2 indication Steady Steady green The inverter is operating green in grid-tied mode. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 74 Blinking green slowly (on for 1s and The mobile phone is off for 1s) connected to the inverter. There is no communication. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 75 The parameters for for 0.2s and off connecting to the router are for 0.2s) to be set. Steady on Abnorma The Smart Dongle is faulty and needs to be replaced. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 76 The indicator is Abnorma If the duration is longer on for 0.1s and than 1 minute, the 4G off for 1.9s. parameter settings are incorrect. Re-configure the parameters. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 77 Check whether the tariff and mobile data plan of the SIM card are adequate. If not, ensure sufficient balance in the SIM card or purchase a data package. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 78: Creating A Plant

    ----End 6.2 Creating a Plant 6.2.1 Downloading the FusionSolar App ● Method 1: Access https://solar.huawei.com using the mobile phone browser and download the latest installation package. Figure 6-2 Downloading the app Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 79: Optional) Registering An Installer Account

    SUN2000-(12K-25K)-MB0 Series User Manual 6 Power-On and Commissioning ● Method 2: Search for FusionSolar on Huawei AppGallery and download the latest installation package. ● Method 3: Scan the QR code and download the latest installation package. Figure 6-3 QR code 6.2.2 (Optional) Registering an Installer Account...
  • Page 80 SUN2000-(12K-25K)-MB0 Series User Manual 6 Power-On and Commissioning Figure 6-5 Creating multiple installer accounts for the same company Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 81: Creating A Plant And An Owner Account

    Figure 6-6 Creating a plant NO TE For details about how to use the setup wizard, see FusionSolar App Quick Guide. Scan the QR code to download the quick guide. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 82: Setting Functions And Features Through Device Commissioning

    B Connecting to the Inverter. To set more parameters, tap Settings. For details about the parameter settings, FusionSolar App User Manual. You can also scan the QR code to obtain the document. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 83: Grid-Tied Point Control

    Total power indicates export limitation of the mode total power at the grid-tied point. (When a single-phase power meter is connected, only the Total power limitation mode can be selected.) Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 84 SmartLogger, set this parameter to SDongle/SmartLogger.) power ● The closed-loop controller automatically (kW) adapts to the application scenario and does not need to be set. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 85 Specifies the fail-safe detection time in case of tion disconnection between the inverter and the disconnecti Smart Dongle. This parameter is displayed when detection Communication disconnection fail-safe is set time to Enable. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 86 Smart Dongle and the inverter is disconnected, the Smart Dongle delivers the derating value of the inverter active power by percentage. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 87 20, Grid connection with limited power takes precedence (when Active power control is set to Grid connection with limited power). Note a: This parameter is supported only for the AS4777 grid code. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 88: Optional) Setting The Physical Layout Of The Smart Pv Optimizers

    For details about the physical location layout of the optimizers, see FusionSolar Physical Layout User Guide. Figure 6-9 Viewing a physical layout on the FusionSolar app Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 89: Afci

    To disable this function, log in to the FusionSolar App, enter the Device Commissioning screen, choose Settings > Feature parameters, and disable AFCI. NO TE The AFCI function works only with Huawei optimizers or ordinary PV modules, but does not support third-party optimizers or intelligent PV modules. Clearing Alarms The AFCI function involves the DC arc fault alarm.

  • Page 90: Viewing The Plant Creation Status

    Log in to the app, tap Home, and tap Plants. This screen displays the real-time running status and basic information of all plants managed by the user by default. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 91 SUN2000-(12K-25K)-MB0 Series User Manual 6 Power-On and Commissioning Figure 6-13 Viewing the plant creation status Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 92: System Maintenance

    Step 1 Send a shutdown command on the app. Step 2 Turn off the AC switch between the inverter and the power grid. Step 3 Set the DC SWITCH to OFF. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 93: Routine Maintenance

    6 months after the initial commissioning. From then on, the interval can be 6 to 12 months. Air tightness Check that all terminals and ports are Once a year properly sealed. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 94: Troubleshooting

    The PV string Check whether the PV string fault power cables cables arc or are in poor contact. arc or are in poor contact. Cause ID 1–4: PV strings 1–4 Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 95 2. Check whether the AC circuit is disconnected or the AC ● The AC switch is off. circuit is disconnected or the AC switch is off. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 96 3. Check whether the peak voltage of the power grid is too high. If the alarm persists and lasts for a long time, contact the local power operator. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 97 If not, contact the local power operator. If yes, modify the grid overfrequency protection threshold through the app, SmartLogger, or NMS with the consent of the local power operator. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 98 PV plant, check whether the inverter output is short-circuited. If transient the fault cannot be rectified, output current contact your dealer or exceeds the Huawei technical support. upper threshold, and protection is triggered. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 99 3. After the inverter is powered on, check whether the output mode set for the inverter is consistent with the output cable connection mode. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 100 Huawei technical fault occurs on support. a circuit inside the inverter. NOTICE Cause ID = 1: Perform the preceding operations when the PV string current is less than 1 A. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 101 RS485 configurations of the inverter. 3. Check whether the power meter is powered on and whether the RS485 communications cable is connected. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 102 ● Cause ID 7: When the of some sunlight is normal, perform optimizers in the optimizer search function again. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 103 2081 Optimiz Warning Cause ID = 1 Go to the optimizer information er fault screen to view the fault details. The optimizer is offline or faulty. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 104 2. Reinstall the fan, turn on the the air channel DC switch, and wait for the is blocked. inverter to start. If the alarm persists after 15 minutes, replace the external fan. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 105: Handling The Inverter

    3. If the Protection upon device starts Communication Failure the protection function is not required, function. disable it. 7.4 Handling the Inverter Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 106: Removing The Sun2000

    ● Before replacing a fan, power off the inverter. ● When replacing a fan, use insulated tools and wear PPE. Procedure Step 1 Remove the fan cover, disconnect fan cables, and remove the faulty fan. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 107 SUN2000-(12K-25K)-MB0 Series User Manual 7 System Maintenance Figure 7-1 Removing the faulty fan Step 2 Install a new fan, connect and bind the cables, and install the fan cover. ----End Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 108: Technical Specifications

    25500 W 30000 W 37500 W d maximum input DC power Maximum 1100 V input voltage Maximum 20 A (one PV string)/30 A (one MPPT) input current per MPPT Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 109 27500 VA apparent power Maximum 16500 W 18700 W 22000 W 27500 W active power (cosφ = 1) Rated output 220 V/380 V, 3W/N+PE voltage 230 V/400 V, 3W/N+PE Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 110 (AC THDi) Protection Technical SUN2000-15 SUN2000-17 SUN2000-20 SUN2000-25 Specification K-MB0-ZH K-MB0-ZH K-MB0-ZH K-MB0-ZH Overvoltage PV II/AC III category Input DC Supported switch Anti-islanding Supported protection Output Supported overcurrent protection Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 111 K-MB0-ZH K-MB0-ZH K-MB0-ZH K-MB0-ZH Display LED indicators; WLAN+app WLAN-FE Supported Dongle 4G Smart Standard Dongle RS485 Supported communicatio Built-in WLAN Supported DC MBUS Supported AFCI Supported PID recovery Supported Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 112 Cooling mode Smart air cooling Maximum 4000 m (derated when the altitude is greater than 2000 m) operating altitude Storage –40°C to +70°C temperature IP rating IP66 Topology Transformerless Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 113 ● Supports GSM/GPRS/ EDGE: 900 MHz/1800 MHz. SDongleB-06-CN (WiFi): 2400–2483.5 MHz SDongleB-06-CN (4G): ● Supports LTE FDD: B1/B3/B5/B8. ● Supports LTE TDD: B34/B38/B39/B40/B41. ● Supports GSM/GPRS/ EDGE: 900 MHz/1800 MHz. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 114 SDongleB-06-CN (4G): ● Supports LTE FDD (with receive diversity): B1/B3/B5/B8. ● Supports LTE TDD (with receive diversity): B34/B38/B39/B40/B41. ● Supports GSM: 900 MHz/ 1800 MHz. ● Supports digital audio. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 115 GSM features: GPRS: ● Supports GPRS multislot class 12. ● Coding schemes: CS-1, CS-2, CS-3, and CS-4 ● Maximum downlink rate: 85.6 kbit/s; maximum uplink rate: 85.6 kbit/s EDGE: Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 116 WCDMA frequency band ● Class 3 (23 dBm±2 dB), LTE FDD frequency band ● Class 3 (23 dBm±2 dB), LTE TDD frequency band SDongleB-06-CN (WiFi): ≤ 20 dBm EIRP Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 117: Sun2000-(12K-25K)-Mb0 Technical Specifications

    20 A (one PV string)/30 A (one MPPT) input current per MPPT Maximum 40 A short- circuit current per MPPT Minimum 200 V startup voltage MPPT 200–1000 V voltage range Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 118 (cosφ = 1) Rated 220 V/380 V, 3W/N+PE output 230 V/400 V, 3W/N+PE voltage 240 V/415 V, 3W/N+PE Maximum Refer to the local power grid standards. output voltage at long-term operation Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 119 (AC THDi) Protection Technical SUN2000- SUN2000- SUN2000- SUN2000- SUN2000- Specificati 12K-MB0 15K-MB0 17K-MB0 20K-MB0 25K-MB0 Overvoltag PV II/AC III e category Input DC Supported switch Anti- Supported islanding protection Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 120 Specificati 12K-MB0 15K-MB0 17K-MB0 20K-MB0 25K-MB0 Display LED indicators; WLAN+app WLAN-FE Supported Dongle 4G Smart Optional Dongle RS485 Supported communica tion Built-in Supported WLAN DC MBUS Supported AFCI Supported Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 121 Cooling Smart air cooling mode Maximum 4000 m (derated when the altitude is greater than 2000 m) operating altitude Storage –40°C to +70°C temperatur IP rating IP66 Topology Transformerless Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 122 SDongleB-06-EU (4G): ● 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. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 123 GSM features: GPRS: ● Supports GPRS multislot class 12. ● Coding schemes: CS-1, CS-2, CS-3, and CS-4 ● Maximum downlink rate: 85.6 kbit/s; maximum uplink rate: 85.6 kbit/s EDGE: Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 124 WCDMA frequency band ● Class 3 (23 dBm±2 dB), LTE FDD frequency band ● Class 3 (23 dBm±2 dB), LTE TDD frequency band SDongleB-06-EU (WiFi): ≤ 20 dBm EIRP Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 125: A Grid Codes

    Suppo Suppo Suppo N-4105 low-voltage orted rted rted rted rted power grid UTE C France Supp Suppo Suppo Suppo Suppo 15-712-1(A) mainland orted rted rted rted rted power grid Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 126 Supp Suppo Suppo Suppo Suppo low-voltage orted rted rted rted rted power grid NRS-097-2-1 South Africa Supp Suppo Suppo Suppo Suppo power grid orted rted rted rted rted standard Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 127 Austria Austria Supp Suppo Suppo Suppo Suppo power grid orted rted rted rted rted G99-TYPEA-LV Supp Suppo Suppo Suppo Suppo G99_TypeA_ orted rted rted rted rted LV power grid Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 128 Suppo Suppo Suppo Suppo AS4777_A- power grid orted rted rted rted rted LV230 AUSTRALIA- Australia Supp Suppo Suppo Suppo Suppo AS4777_B- power grid orted rted rted rted rted LV230 Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 129 Supp Suppo Suppo Suppo Suppo country code orted rted rted rted rted CZECH- Czech Supp Suppo Suppo Suppo Suppo EN50549- Republic orted rted rted rted rted LV230 power grid Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 130: B Connecting To The Inverter

    Connecting to the Inverter Step 1 Access Device Commissioning screen. Figure B-1 Method 1: before login (not connected to the Internet) Figure B-2 Method 2: after login (connected to the Internet) Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 131 ● 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 132: C Resetting Password

    Step 6 Set router and management system parameters to implement remote management. ----End NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 133: D 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 D-1 Alarm details Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 134 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 135 Step 7 Determine the position of the ground insulation fault: ● Disconnect the possible faulty PV module from the optimizer. Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 136 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 137: E Rapid Shutdown

    10 ● 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 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 138 SUN2000-(12K-25K)-MB0 Series User Manual E Rapid Shutdown Figure E-1 Methods of triggering a rapid shutdown Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 139: F Acronym And Abbreviation

    User Manual F Acronym and Abbreviation Acronym and Abbreviation AFCI arc-fault circuit interrupter light emitting diode maximum power point MPPT maximum power point tracking protective earthing potential induced degradation photovoltaic Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd.

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