Optimization Scheme for Unlocking the Anti-misoperation Locking Device of the Electric Earthing Switch in Middle Placed Switch Cabinet
Taking the production technology renovation project of polyvinylidene chloride in the electrification plant of Zhejiang Juhua Co.,Ltd.as an example,this paper introduces the anti misoperation locking device and its unlocking method of the intelligent central cabinet electric grounding switch.The reasons for misoperation during maintenance operations are analyzed,and it is believed that the control principle and mechanical structure of the anti misoperation locking device are insufficient.By optimizing the electrical and mechanical interlocking methods,the reliability and safety of the anti misoperation locking device of the central cabinet electric grounding switch are improved,as well as the rationality of the maintenance of the central cabinet electric grounding switch.The problem of misoperation during maintenance operations is solved,providing reference for future such maintenance work.