Analyze the Reason of 500 Kilovolt Breaker Movement Caused by Special Operation Mode

To put into operation in some 500 kilovolt transformer substation, 500 kV breakers has not been under all operation ways of putting into operation yet, with the action of a 500 kilovolt breaker, Through checking the relevant secondary circuit,The principle,install method and acts of the protection are detailed, analyze the reason of the breaker movements, have put forward the concrete improvement suggestion pointedly, According to different system conditions and the implementation of two projects it proposes solutions,has guaranteed the normal operation of the electric apparatus. Operation way;Switch protection;Line protection