differential protection device,The company can produce, busbar differential protection, optical fiber differential protection, line differential protection, generator differential protection, motor differential protection, main transformer differential protection, etc. The product has differential current instantaneous trip protection, Proportional differential protection of two harmonic brake,CT line-break Locking ratio differential protection,CT line-break alarm, very perfect protection function and can be equipped with a standard 485.232 and industrial CAN communication port, optical fiber communication port, Ethernet communication port and other power grid dedicated communications port；The annual sales volume of the company's differential protection device has exceeded 1500 units, which is mainly used in power plants and large substations with 110KV and below voltage levels.
differential protection relay
differential protection device,The company can produce, busbar differential protection, optical fiber differential protection, line differential protection, generator differential protection, motor differential protection, main transformer differential protection, etc. The product has differential current instantaneous trip protection, Proportional differential protection of two harmonic brake,CT line-break Locking ratio differential protection,CT line-break alarm, very perfect protection function and can be equipped with a standard 485.232 and industrial CAN communication port, optical fiber communication port, Ethernet communication port and other power grid dedicated communications port；The annual sales volume of the company's differential protection device has exceeded 1500 units, which is mainly used in power plants and large substations with 110KV and below voltage levels.
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