How To Prevent Misoperation Of High-voltage Disconnect Switches
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In actual operating conditions, misoperation high voltage isolator (such as grounding without isolation or grounding while energized) may cause serious safety hazards. Designing and implementing the operation sequence, interlocking devices, and logical constraints of high voltage isolator switch is the core of establishing a robust operating process. The integration of a "five-prevention" interlocking system is needed to constrain the operational relationship between hv isolator and the circuit breaker and grounding switch, thereby reducing the possibility of improper operation.
