Internal high voltage grounding switch
An indoor high-voltage earthing switch is a special electrical device installed in indoor high-voltage switchgears or metal enclosed switchgears and is primarily designed to provide reliable...
Description
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An indoor high-voltage grounding switch is a special electrical device installed in indoor high-voltage switchgears or metal enclosed switchgears and is primarily designed to provide reliable safety protection in the maintenance of power systems and electrical equipment. Its main function is to forcibly ground and short-circuit a high-voltage line or busbar manually or electrically, thereby removing the charge or induced voltage that may remain on de-energized equipment, effectively preventing the risk of electric shock caused by erroneous operation, and creating a safe working environment for maintenance personnel. It is typically rigidly interlocked mechanically or electrically with a disconnect switch and a circuit breaker to ensure that it can only be turned on after the main circuit has been completely disconnected and isolated, and is an essential safety element in the power system.
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