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Grounding switch /Earthing switch

Dec 07, 2016

Grounding switch /Earthing switch: 

one, It is used in the line and equipment maintenance, to be used for grounding to ensure the safety of personnel; two, It is used to artificially created grounding short circuit, to achieve the purpose of control protection. The grounding switch is usually connected to the high voltage side of transformer, when the circuit receiving end malfunction or transformer internal fault, grounding switch should be automatically closed, caused the grounding short circuit fault, forcing the sending end (the up end) circuit breaker moves quickly, cut off the fault, so this is a man-made earth fault, the purpose is to ensure that the circuit breaker of sending end to rapid action.