On-load regulating capacity and voltage transformer

Features
  • Regulate voltage automatically and improve the voltage quality: detect the line voltage in real time, and control the tap switch to realize automatic voltage control of transformer according to the preset logic and algorithm and the line voltage fluctuation.
  • Regulate capacity automatically, save energy and reduce consumption: detect the line current in real time, identify whether the transformer works in light load or heavy load automatically, and complete the capacity adjustment of transformer within 40ms according to preset logic and algorithm; reduce the no-load loss greatly in small capacity gear, and achieve the purpose of energy saving and consumption reduction.
  • "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 distribution area with low voltage qualified rate and long proportion in no/light-load period.

Product Details

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  • Model Description

  • Features
    • Regulate voltage automatically and improve the voltage quality: detect the line voltage in real time, and control the tap switch to realize automatic voltage control of transformer according to the preset logic and algorithm and the line voltage fluctuation.
    • Regulate capacity automatically, save energy and reduce consumption: detect the line current in real time, identify whether the transformer works in light load or heavy load automatically, and complete the capacity adjustment of transformer within 40ms according to preset logic and algorithm; reduce the no-load loss greatly in small capacity gear, and achieve the purpose of energy saving and consumption reduction.
    • "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 mean temperature: +30℃
      MMaximum 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 (%)

    10030

    10

    10.5

    ±5

    0.4

    Dyn11Yyn0

    150(80)

    1580(600)

    4.0

    1.10.6

    20063

    240110

    27301040

    1.00.5

    400125

    410170

    45201800

    0.8.0.4

    500160

    480200

    54102220

    0.80.4

    630200

    570240

    62002600

    4.5

    0.60.3

    Note 1: the content in bracket is the parameter in small capacity.

    Note 2: 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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