变电站二次回路保护电器的选用

How to Select the Protection for Secondary Circuit of Electric Substation

阐述了变电站二次回路保护的要求和特点,比较了熔断器和微型断路器的主要优缺点,分析了熔断器和断路器在二次线回路的应用情况,指出熔断器是二次回路保护电器的首要选择。

Expounds the requirements and characteristics of protection for secondary circuit of electric substation,introduces the main advantages and disavantages of fuse protector and micro-circuit breaker,analyzes the application of fuse protector and circuit breaker in secondary circuit,and indicates that fuse protector is the first choice among the protections for secondary circuit.