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Busbar protection relay

Busbar protection device is a kind of protection device that used for busbar connection cabinet,The protection measuring and control device which is produced by us can be applied to the protection, measurement and communication of the 110KV and the voltage level of the bus,also achieve the busbar Spare incoming line automatic input;the products not only have the function of quick break ;Over current protection;busbar charge protection;Protection function of overload protection and so on the all bus connection cabinet but also the control circuit disconnection; manual switching, remote control, fault recorder and other end closing; auxiliary function;The main products are 9491 busbar economic type protection and measurement and control device、951 standard bus protection and control device, 979 high quality bus protection measurement and control device;The protection device not only has perfect function, reliable quality, but also has 485 communication; Ethernet communication; optical fiber communication; a variety of communication interface, can meet the demand of distribution network automation to the maximum extent.
  • 986 busbar differential protection relay

    986 busbar differential protection relay

    The 986 busbar differential protection relay is suitable for the 110KV and the following various voltage levels of a single bus、Single parent segment、 duplicate-busbar and section switch or the Bus circuit breaker and the bus of various main connection modes of the bypass circuit breaker,The bus allowed no more than 20 components and lines to connect(which included the bus-couple),the 986 Microcomputer busbar differential protection relay is based on the DSP(main Frequency reach to 100M)and the Dual CPU hardware platform of 32 single chip,High precision A/D ensures the measurement accuracy.

  • 9591 Busbar coupler protection relay

    9591 Busbar coupler protection relay

    9591 Busbar protection measuring control device mainly used to the 10KV、35KVand below voltage of the protection measuring control device of Busbar coupler connection cabinet,The protection device is provided with the function of protection for current instantaneous trip, time limit protection for current instantaneous trip, over current, Inverse time Over-current, over load, over voltage, low voltage, PT line-break, PT losing pressure, loss of close circuit and trip circuit,widely applied to the 35KV below the voltage level of user engineering;if you need the charge protection of Busbar,you can choose the 9791 Busbar device!

    • 986 busbar differential protection relay

      986 busbar differential protection relay

      The 986 busbar differential protection relay is suitable for the 110KV and the following various voltage levels of a single bus、Single parent segment、 duplicate-busbar and section switch or the Bus circuit breaker and the bus of various main connection modes of the bypass circuit breaker,The bus allowed no more than 20 components and lines to connect(which included the bus-couple),the 986 Microcomputer busbar differential protection relay is based on the DSP(main Frequency reach to 100M)and the Dual CPU hardware platform of 32 single chip,High precision A/D ensures the measurement accuracy.

    • 9591 Busbar coupler protection relay

      9591 Busbar coupler protection relay

      9591 Busbar protection measuring control device mainly used to the 10KV、35KVand below voltage of the protection measuring control device of Busbar coupler connection cabinet,The protection device is provided with the function of protection for current instantaneous trip, time limit protection for current instantaneous trip, over current, Inverse time Over-current, over load, over voltage, low voltage, PT line-break, PT losing pressure, loss of close circuit and trip circuit,widely applied to the 35KV below the voltage level of user engineering;if you need the charge protection of Busbar,you can choose the 9791 Busbar device!

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    209585994

    209585994

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