After the initial renovation and upgrading of the high-voltage switchgear of Nanjing Meishan Mining Branch,the lack of precision in the mechanical mechanism led to failures such as overload burnout of the drive motor of the electric chassis truck and the im-pact of the circuit breaker movable contacts on the valve.In order to solve those problems,the mechanical structure of the high-voltage switchgear was optimized and modified on the basis of the original equipment,and the operation data acquisition device and real-time video signal on the site were added to realize the centralized monitoring and intelligent man-agement of the operation information of the high-voltage switchgear,which improved the safety,reliability and effectiveness of the equipment operation.
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