No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search

Reminder

To have a better experience, please upgrade your IE browser.

upgrade

SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual

This document describes the SUN2000-125KTL-M0,SUN2000-110KTL-M0,SUN2000-100KTL-M0,SUN2000-100KTL-M1 and SUN2000-100KTL-INM0 in terms of its installation, electrical connections, commissioning, maintenance, and troubleshooting. BOM number: 01074693, 01074694, 01074695, 01074695-001 and 01074695-002.

Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Operations Related to the Special User

Operations Related to the Special User

Parameter Settings

Ensure that the DC side of the SUN2000 is energized before setting grid parameters, protection parameters, feature parameters, and grid adjustment parameters.

Setting Grid Parameters

Procedure

  1. Choose Function Menu > Settings > Grid Parameters and set grid parameters.

    Figure 7-25 Grid parameters
    Table 7-15 Grid parameters

    Parameter

    Description

    Value Range (Vn: Rated Voltage; Fn: Rated Frequency)

    Grid code

    Set this parameter based on the grid code of the country or region where the SUN2000 is used and the SUN2000 application scenario.

    N/A

    Isolation

    Specifies the working mode of the SUN2000 according to the grounding status at the DC side and the connection status to the grid.

    • Input ungrounded, without TF
    • Input ungrounded, with TF

    Output mode

    Specifies whether the inverter output has a neutral wire based on the application scenario.

    • Three-phase three-wire
    • Three-phase four-wire

    PQ mode

    If this parameter is set to PQ mode 1, the maximum AC output power equals the maximum apparent power. If this parameter is set to PQ mode 2, the maximum AC output power equals the rated output power.

    • PQ mode 1
    • PQ mode 2

    Auto start upon grid recovery

    Specifies whether to allow the SUN2000 to automatically start after the power grid recovers.

    • Disable
    • Enable

    On-grid recovery time (s)

    Specifies the waiting time for SUN2000 restart after the power grid recovers.

    [0, 7200]

    Grid reconnection voltage upper limit (V)

    The standards of certain countries and regions require that the SUN2000 must not export power to the power grid again when the grid voltage exceeds the value of Grid reconnection voltage upper limit after the SUN2000 shuts down due to a fault.

    [100% Vn, 136% Vn]

    Grid reconnection voltage lower limit (V)

    The standards of certain countries and regions require that the SUN2000 must not export power to the power grid again when the grid voltage is below the value of Grid reconnection voltage lower limit after the SUN2000 shuts down due to a fault.

    [45% Vn, 100% Vn]

    Grid reconnection frequency upper limit (Hz)

    The standards of certain countries and regions require that the SUN2000 must not export power to the power grid again when the grid frequency exceeds the value of Grid reconnection frequency upper limit after the SUN2000 shuts down due to a fault.

    [100% Fn, 120% Fn]

    Grid reconnection frequency lower limit (Hz)

    The standards of certain countries and regions require that the SUN2000 must not export power to 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.

    [80% Fn, 100% Fn]

    Reactive power compensation (cosφ-P) trigger voltage (%)

    Specifies the voltage threshold for triggering reactive power compensation based on the cosφ-P curve.

    [100, 136]

    Reactive power compensation (cosφ-P) exit voltage (%)

    Specifies the voltage threshold for exiting reactive power compensation based on the cosφ-P curve.

    [70, 100]

Setting Protection Parameters

Procedure

  1. Choose Function Menu > Settings > Protection Parameters and set protection parameters.

    Figure 7-26 Protection parameters
    Table 7-16 Protection parameters

    Parameter

    Description

    Value Range (Vn: Rated Voltage; Fn: Rated Frequency)

    Unbalance voltage protection (%)

    Specifies the solar inverter protection threshold when the power grid voltage is unbalanced.

    [0.0, 50.0]

    10 minute OV protection (V)

    Specifies the 10-minute overvoltage protection threshold.

    [1 x Vn, 1.25 x Vn]

    10 minute OV protection time (ms)

    Specifies the 10-minute overvoltage protection duration.

    [50, 7200000]

    Level-N OV protection (V)

    Specifies the level-N grid overvoltage protection threshold.

    NOTE:
    • N can be 1, 2, 3, 4, 5, or 6.
    • When HVRT is set to Enable, and the value of Level-1 OV protection is larger than that of HVRT threshold, the solar inverter may repeatedly start and shut down if the power grid voltage is between the two values.
    • Level-1 OV protection: [1 x Vn, 1.25 x Vn]
    • Level-2 OV protection: [1 x Vn, 1.36 x Vn]

    Level-N OV protection time (ms)

    Specifies the level-N grid overvoltage protection duration.

    NOTE:

    N can be 1, 2, 3, 4, 5, or 6.

    [50, 7200000]

    Level-N UV protection (V)

    Specifies the level-N grid undervoltage protection threshold.

    NOTE:
    • N can be 1, 2, 3, 4, 5, or 6.
    • When LVRT is set to Enable, and the value of Level-1 UV protection is less than that of LVRT threshold, the solar inverter may repeatedly start and shut down if the power grid voltage is between the two values.

    [0.15 x Vn, 1 x Vn]

    Level-N UV protection time (ms)

    Specifies the level-N grid undervoltage protection duration.

    NOTE:

    N can be 1, 2, 3, 4, 5, or 6.

    [50, 7200000]

    Level-N OF protection (Hz)

    Specifies the level-N grid overfrequency protection threshold.

    NOTE:

    N can be 1, 2, 3, 4, 5, or 6.

    [1 x Fn, 1.15 x Fn]

    Level-N OF protection time (ms)

    Specifies the level-N grid overfrequency protection duration.

    NOTE:

    N can be 1, 2, 3, 4, 5, or 6.

    [50, 7200000]

    Level-N UF rotection (Hz

    Specifies the level-N grid underfrequency protection threshold.

    NOTE:

    N can be 1, 2, 3, 4, 5, or 6.

    [0.85 x Fn, 1 x Fn]

    Level-N UF protection time (ms)

    Specifies the level-N grid underfrequency protection duration.

    NOTE:

    N can be 1, 2, 3, 4, or 5.

    [50, 7200000]

Setting Feature Parameters

Procedure

  1. Choose Function Menu > Settings > Feature Parameters, and set feature parameters.

    Figure 7-27 Feature parameters
    Table 7-17 Feature parameters

    Parameter

    Description

    Value Range (Vn: Rated Voltage)

    LVRT

    When the power grid voltage is abnormally low for a short time, the SUN2000 cannot disconnect from the power grid immediately and has to work for some time. This is called LVRT.

    • Disable
    • Enable

    LVRT threshold (V)

    Specifies the threshold for triggering LVRT.

    [50% Vn, 100% Vn]

    LVRT reactive power compensation power factor

    During LVRT, the SUN2000 needs to generate reactive power to support the power grid. This parameter is used to set the reactive power generated by the SUN2000.

    For example, if you set LVRT reactive power compensation power factor to 2, the reactive current generated by the SUN2000 is 20% of the rated current when the AC voltage drops by 10% during LVRT.

    [0, 10]

    HVRT

    When the power grid voltage is abnormally high for a short time, the SUN2000 cannot disconnect from the power grid immediately and has to work for some time. This is called high voltage ride-through (HVRT).

    • Disable
    • Enable

    HVRT threshold (V)

    Specifies the threshold for triggering HVRT. The threshold settings should meet the local grid standard.

    [100% Vn, 136% Vn]

    HVRT reactive power compensation factor

    During HVRT, the solar inverter needs to generate reactive power to support the power grid. This parameter is used to set the reactive power generated by the solar inverter.

    For example, if this parameter is set to 2, the reactive power generated by the solar inverter is 20% of the rated power when the AC voltage drops by 10% during HVRT.

    [0, 10]

    Grid voltage protection shield during HVRT/LVRT

    Specifies whether to shield the undervoltage/overvoltage protection during HVRT/LVRT.

    • Disable
    • Enable

    Active islanding

    Specifies whether to enable the active islanding protection function.

    • Disable
    • Enable

    Communication interrupt shutdown

    The standards of certain countries and regions require that the inverter must shut down after the communication is interrupted for a certain time.

    • Disable
    • Enable

    Communication resumed startup

    If this parameter is set to Enable, the inverter automatically starts after communication recovers. If this parameter is set to Disable, the inverter needs to be started manually after communication recovers.

    • Disable
    • Enable

    Communication interruption duration (min)

    Specifies the duration for determining communication interruption. Used for automatic shutdown for protection in case of communication interruption.

    [1, 120]

    Soft start time (s)

    Specifies whether to enable the active islanding protection function.

    [1, 1800]

    Soft start time after grid failure (s)

    Specifies the time for the power to gradually increase when the solar inverter restarts after the power grid recovers.

    [1, 1800]

Setting the Grid-tied Control Parameters

Prerequisites

After you connect a Smart Power Sensor to the solar inverter by choosing Function Menu > Maintenance > Device Mgmt, you can set grid-tied control parameters to control the active and reactive power outputs of the grid-tied point.

Procedure

  1. Choose Function Menu > Settings > Grid-tied Point Control, enter the app login password, and set power control parameters based on the PV plant requirements.

    Figure 7-28 Grid-tied point control
    Table 7-18 Grid-tied control parameters

    Parameter

    Description

    Value Range

    Active power control mode

    Specifies the active power output mode at the grid-tied point.

    • No limit
    • Grid connection with zero power
    • Grid connection with limited power (kW)
    • Grid connection with limited power (%)

    Closed-loop controller

    Specifies the grid-tied power controller. Before setting the parameter, confirm the controller type. Incorrect setting will result in abnormal power output of the solar inverter. Solar inverter applies only to the scenario where a single solar inverter is used or where a single solar inverter is used with an SDongle.

    • SDongle/SmartLogger
    • Solar inverter

    Limitation mode

    Specifies the active power limitation mode as required by the power grid.

    • Total power
    • Single-phase power

    PV plant capacity (kW)

    Specifies the PV array capacity.

    [0, 2000]

    Maximum grid feed-in power (kW)

    In Grid connection with limited power (kW) mode, set the maximum power fed to the power grid from the PV array.

    [–1000, PV plant capacity]

    Maximum grid feed-in power (%)

    In Grid connection with limited power (%) mode, set the proportion of the maximum power fed to the power grid from the PV array to the capacity of the PV plant.

    [0, 100]

    Power lowering adjustment period (s)

    Specifies the interval for sending adjustment commands.

    [0.2, 300]

    Maximum protection time (s)

    Specifies the protection duration to determine whether the communication between the external controller and the Smart Power Sensor is interrupted.

    [0.2, 300]

    Power raising threshold (kW)

    Specifies the threshold for power raising.

    [0, 50]

    Fail-safe power (%)

    When the communication between the SDongle/SmartLogger as well as the Smart Power Sensor and solar inverter is interrupted, the solar inverter generates power based on this threshold.

    [0, 100]

    Reactive power control mode

    Specifies the reactive power output mode at the grid-tied point.

    • No output
    • Pwr factor closed-loop control

    Power factor

    Specifies the target value for the power factor of the Smart Power Sensor.

    (–1, –0.8] U [0.8, 1]

    Adjustment period (s)

    Specifies the interval for sending adjustment commands.

    [0.2, 10]

    Adjustment deadband

    Specifies the adjustment power factor precision.

    [0.001, 1]

    Fail-safe power factor

    When the communication between the SDongle/SmartLogger as well as the Smart Power Sensor and solar inverter is interrupted, the solar inverter generates power based on this threshold.

    (–1, –0.8] U [0.8, 1]

    Communication disconnection fail-safe

    When this parameter is set to Enable, and the communication between the solar inverter and the SDongle/SmartLogger is interrupted for a certain period (set by Communication disconnection detection time), the solar inverter generates power based on Fail-safe power.

    • Disable
    • Enable

    Communication disconnection detection time (s)

    Specifies the protection duration to determine whether the communication between the SDongle/SmartLogger and the solar inverter is interrupted.

    [1, 10]

Setting Power Adjustment Parameters

Procedure

  1. Choose Function Menu > Settings > Power Adjustment and set power adjustment parameters.

    Figure 7-29 Power adjustment parameters
    Table 7-19 Power adjustment parameters

    Parameter

    Description

    Value Range (Smax: Maximum Apparent Power; Pmax: Maximum Active Power; Qmax: Maximum Reactive Power)

    Remote power schedule

    If this parameter is set to Enable, the solar inverter responds to the remote power scheduling command. If it is set to Disable, the solar inverter does not respond to the command.

    • Disable
    • Enable

    Schedule instruction valid duration (s)

    Adjusts the time for maintaining the scheduling command.

    [0, 86400]

    Maximum apparent power (kVA)

    Specifies the output upper threshold for the maximum apparent power to adapt to the capacity requirements of standard and customized inverters.

    [Pmax, Smax_limit] or [Pmax, Smax]

    Maximum active power (kW)

    Specifies the output upper threshold for the maximum active power to adapt to different market requirements.

    [0.1, Pmax]

    Shutdown at 0% power limit

    If this parameter is set to Enable, the solar inverter shuts down after receiving the 0% power limit command. If this parameter is set to Disable, the solar inverter does not shut down after receiving the 0% power limit command.

    • Disable
    • Enable

    Active power change gradient (%/s)

    Adjusts the change speed of the active power of the solar inverter.

    [0.1, 1000]

    Fixed active power derating (kW)

    Adjusts the active power output of the solar inverter by fixed value.

    [0, Pmax]

    Active power percentage derating (%)

    Adjusts the active power output of the solar inverter by percentage.

    If this parameter is set to 100, the solar inverter generates power based on the maximum output power.

    [0, 100]

    Reactive power output at night

    In some specific application scenarios, a power grid company requires that the inverter can perform reactive power compensation at night to ensure that the power factor of the local power grid meets requirements.

    • Disable
    • Enable

    Enable reactive power parameters at night

    When this parameter is set to Enable, the inverter outputs reactive power based on the setting of Reactive power compensation at night. Otherwise, the inverter executes the remote scheduling command.

    • Disable
    • Enable

    Reactive power compensation at night (kVar)

    During the reactive power compensation at night, the reactive power is scheduled by fixed value.

    [–Qmax, Qmax]

    Reactive power change gradient (%/s)

    Specifies the change speed of the inverter reactive power.

    [0.1, 1000]

    Plant active power gradient (min/100%)

    Specifies the rate of active power rise due to sunlight changes.

    [0, 60]

    Filter duration for average active power (ms)

    Specifies the period of active power rise due to sunlight changes. This parameter is used with Plant active power gradient.

    [20, 300000]

    Power factor

    Specifies the power factor of the inverter.

    (–1.000, –0.800] U [0.800, 1.000]

    Reactive power compensation (Q/S)

    Specifies the reactive power output by the inverter.

    (–1, 1]

    Overfrequency derating

    If this parameter is set to Enable, the active power of the inverter will be derated according to a certain slope when the grid frequency exceeds the frequency that triggers overfrequency derating.

    • Disable
    • Enable

    PF (U) voltage detection filter time (s)

    Specifies the time for filtering the grid voltage in the PF-U curve.

    [0.1, 120]

    Apparent power baseline (kVA)

    Adjust the apparent output baseline of the inverter.

    [Pmax, Smax_real]

    Active power baseline (kW)

    Adjusts the active output baseline of the inverter.

    [0.1, Min(Pmax_real, Smax)]

Setting Reactive Power Control

Procedure

  1. Choose Function Menu > Settings > Reactive pwr ctrl to access the reactive power control screen and edit the curve points to control reactive power output.

    Figure 7-30 Reactive power control

Setting User Parameters

Procedure

  1. Choose Function Menu > Settings > User Param. to set user parameters.

    The password should meet the following requirements:

    • Contains six characters.
    • Contains at least two types of lowercase letters, uppercase letters, and digits.
    • Differ from the original password in at least one character.
    Figure 7-31 User parameters

Setting a File Save Path

Context

In the Android system, you can modify the save path for user operation logs and SUN2000 logs and export logs from the path subsequently.

Procedure

  1. Choose Function Menu > Settings > File save path to set the file save path.

    Figure 7-32 Setting the path

System Maintenance

Device management

  1. Choose Function Menu > Maintenance > Device Mgmt to go to the Device Mgmt screen.

    • If there is no Smart Power Sensor on the screen, tap to add a Smart Power Sensor.

      Parameter

      Description

      Value Range

      Model

      Set this parameter to the corresponding power meter model.

      • JANITZA-UMG604
      • JANITZA-UMG103
      • JANITZA-UMG104
      NOTE:
      • Select an appropriate power meter based on the application scenario. The device model is subject to change. The actual product prevails.
      • Set the meter model correctly, otherwise the meter function may not be available.

      Device address

      Set this parameter to the communication address of the power meter.

      [1, 247]

      Current change ratio

      • Set this parameter to 1 when the power meter uploads a value once.
      • When the power meter uploads a value twice, set this parameter based on the actual transformer ratio.

      [1, 3000]

    • After a Smart Power Sensor is added, tap it to view and modify the Smart Power Sensor parameters. To delete the Smart Power Sensor, touch and hold it.
      Figure 7-33 Device management

Starting and Shutting Down the SUN2000

Procedure

  1. Choose Function Menu > Maintenance. The maintenance screen will be displayed.
  2. Tap behind Power on or Power off, enter the login password, and tap OK.

Restoring Factory Settings

Context

Perform this operation with caution because all configured parameters except the current date, time, baud rate, and address will be restored to their factory default values. This operation will not affect operating information, alarm records, or system logs.

Procedure

  1. Choose Function Menu > Maintenance. The maintenance screen will be displayed.
  2. Tap behind Restore defaults, enter the app login password, and tap OK.

Device upgrade

Prerequisites

  • You have obtained the upgrade package with the help of the supplier or Huawei engineers.
  • In the Android system, you have copied the upgrade package to the mobile phone. The package is a .zip file, which can be saved flexibly and searched. To reduce the time for searching the package, you are advised to save it under the root directory of the memory or SD card of the mobile phone.

Procedure

  1. Choose Function Menu > Device upgrade and complete the upgrade by following the operation guide.

    Figure 7-34 SUN2000 upgrade
    Figure 7-35 MBUS upgrade

Device Logs

Context

Tap Device logs to export operation logs, as well as alarm records and energy yield information of the solar inverter from the mobile phone.

Procedure

  1. Choose Function Menu > Device logs. The device log screen is displayed.
  2. Select alarm and performance data logs, and tap Download file to export and send them by email.

    • In the Android system, logs are saved in the storage/emulated/0/sun2000app_download file by default. You can modify the saving path by choosing Function Menu > Settings > File save path.
    Figure 7-36 Device logs

Translation
Download
Updated: 2019-12-25

Document ID: EDOC1100087908

Views: 5579

Downloads: 667

Average rating:
This Document Applies to these Products

Related Version

Related Documents

Share
Previous Next