Analysis of Causes and Countermeasures of Fault Free Tripping of Circuit Breakers in Distribution Stations
This paper expounds the hazards of fault free tripping of circuit breakers in 10kV distribution stations,investigates the causes of fault free tripping,and proposes countermeasures,including processing DC power supply,upgrading microcomputer protection devices,and replacing shielded cables to ensure the normal and stable operation of circuit breakers.
distribution system circuit breakerfault free trippingmicrocomputer protection device
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