Wide on-load voltage regulation transformer

Features
  • Multi-position and wide voltage regulation: 9 voltage regulation positions; voltage regulating range: ±10% and ±20%.
  • Primary and secondary fusion of transformer: The transformer not only realizes automatic voltage control, abut also expands the monitoring of operating condition (current, voltage, oil temperature and pressure, etc.) to realize the primary and secondary fusion.
  • "Three-remote" function: support GPRS wireless communication and RS485 serial port communication, monitor the operating condition of transformer remotely, check and modify the parameters, and realize automation of distribution network area. Good man-machine interface: The controller is provided with a Chinese LCD screen and a built-in WIFI module so that the maintenance personnel can check the working condition of transformer through LCD screen or mobile phone APP without the need of outage and improve the maintenance efficiency.
  • Miniaturized design, small volume and convenient installation: the on-load tap switch is of a combination structure to realize miniaturized design. The switch is installed horizontally without independent oil chamber, and the vacuum pipe is arc-extinguishing and simple in structure. The transformer is compact in volume and convenient to install.
  • Free of maintenance and long in service life: oil filtration is unnecessary during operation, periodic maintenance is not needed, and the service life of tap switch is 50,000 times, and the mechanical service life is 100,000 times.
Applicable Place
  • Be applicable to the areas with large voltage fluctuation, such as the areas with large seasonal and daily load change and small hydropower generating areas.

Product Details

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  • Model Description

  • Features
    • Multi-position and wide voltage regulation: 9 voltage regulation positions; voltage regulating range: ±10% and ±20%.
    • Primary and secondary fusion of transformer: The transformer not only realizes automatic voltage control, abut also expands the monitoring of operating condition (current, voltage, oil temperature and pressure, etc.) to realize the primary and secondary fusion.
    • "Three remote" function: support GPRS wireless communication and RS485 serial communication, realize remote monitoring of transformer running status, view and modify parameter values, etc., realize automatic automation of human-machine interface in distribution network area: controller with Chinese display LCD screen, built-in WIFI module, convenient maintenance personnel to continuously check the working status of the transformer through the LCD screen or mobile APP.
    • "Three-remote" function: support GPRS wireless communication and RS485 serial port communication, monitor the operating condition of transformer remotely, check and modify the parameters, and realize automation of distribution network area. Good man-machine interface: The controller is provided with a Chinese LCD screen and a built-in WIFI module so that the maintenance personnel can check the working condition of transformer through LCD screen or mobile phone APP without the need of outage and improve the maintenance efficiency.
    • Miniaturized design, small volume and convenient installation: the on-load tap switch is of a combination structure to realize miniaturized design. The switch is installed horizontally without independent oil chamber, and the vacuum pipe is arc-extinguishing and simple in structure. The transformer is compact in volume and convenient to install.
    • Free of maintenance and long in service life: oil filtration is unnecessary during operation, periodic maintenance is not needed, and the service life of tap switch is 50,000 times, and the mechanical service life is 100,000 times.
  • Conditions of Use
    • Indoors or outdoors with the elevation of less than 1,000m
    • Maximum ambient temperature: +40℃
    • maximum daily average temperature: +30℃
    • maximum annual average temperature: +20℃
    • minimum temperature: -25℃
    • Transformer for special conditions can be provided according to the user's requirements


  • Technical Parameters



  • Rated capacity

    (kVA)

    High voltage

    (kV)

    High-voltage tapping range

    (%)

    Low voltage (kV)

    Grade mark of connection group

    No-load loss (W)

    Load loss

    (W)

    Short-circuit impedance (%)

    No-load current (%)

    100

    11

    10

    10.5

    6.3

    6

    ±4×2.5

    or ±8×2.5

    0.4

    Dyn11

    150

    1580

    4

    1.6

    200

    240

    2730

    1.4

    315

    340

    3830

    1.2

    400

    410

    4520

    1.0

    500

    480

    5410

    1.0

    630

    570

    6200

    4.5

    0.8

    Note: other connection group and technical parameters are non-preferential parameters and shall be determined after negotiation of the user and the manufacturer.



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