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Main transformer protection

The main transformer protection device is the device that used to protect the main transformer microcomputer ,there are complete product line.991 main transformer integrated protection measurement and control device (second lap, with operation), 992 main transformer differential protection and control device (second lap, without the operating), 993 main transformer differential protection and control device (second lap, without the operating), 981 main transformer high backup protection and monitoring device, 982 in the main transformer backup protection measurement and control device, 983 main transformer low backup protection measurement and control device, 984 main transformer backup protection operation device, 985 main transformer non electricity protection device. Products are widely used in power plant, substation, industrial control and other types of large projects on the main transformer protection and control that can meet the requirements of large capacity of 110kV and below voltage of transformer protection, products can also be concentrated group screen, full support for distribution automation system.In recent years, the company's main transformer protection device has reached nearly 1000 units, nearly 100 sets of screen projects, in all walks of life have been highly recognized and affirmed.
  • 9692 Main transformer differential protection relay

    9692 Main transformer differential protection relay

    9692 main transformer differential protection relay is suitable for differential protection of high voltage side and low voltage side equipped with microcomputer backup protection, it constitutes a whole main transformer protection with 9681 main transformer high voltage backup protection relay, and 983 main transformer low voltage backup protection relay. The protection device is mainly used for the main transformer capacity of 10000KVA or more, and forms a complete protection of the main transformer with 984 main transformer backup operation box, 985 main transformer non electricity quantity protection devices.

  • 9681 main transformer backup protection relay

    9681 main transformer backup protection relay

    The 9681 main transformer High-Voltage side backup protection relay is applicable to the protection of the three-winding main transformer high voltage side backup protection and two winding main transformer high voltage side backup protection,Such protection is generally the concentrated the screen,it can also be installed separated,Fully supported the distributed protection system.

    • 9692 Main transformer differential protection relay

      9692 Main transformer differential protection relay

      9692 main transformer differential protection relay is suitable for differential protection of high voltage side and low voltage side equipped with microcomputer backup protection, it constitutes a whole main transformer protection with 9681 main transformer high voltage backup protection relay, and 983 main transformer low voltage backup protection relay. The protection device is mainly used for the main transformer capacity of 10000KVA or more, and forms a complete protection of the main transformer with 984 main transformer backup operation box, 985 main transformer non electricity quantity protection devices.

    • 9681 main transformer backup protection relay

      9681 main transformer backup protection relay

      The 9681 main transformer High-Voltage side backup protection relay is applicable to the protection of the three-winding main transformer high voltage side backup protection and two winding main transformer high voltage side backup protection,Such protection is generally the concentrated the screen,it can also be installed separated,Fully supported the distributed protection system.

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    209585994

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