Design of Relay Protection Method for 500 kV Main Transformer Circuit Breaker
Main transformer as the core equipment of power transmission,its safe operation or not affects the stability of the whole power system.The article introduces the basic principle and application of relay protection system in detail,discusses the influence of different types of faults on relay protection design,and introduces the 500 kV main transformer circuit breaker relay protection methods such as differential protection and over-voltage protection.Finally,the application effect of the 500 kV main transformer circuit breaker relay protection methods is verified,demonstrating the response time,false action rate,leakage action rate,and action accuracy of the system under various fault scenarios.
500 kV main transformercircuit breakerrelay protection
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