Design of Protection Characteristics Experiment of Low Voltage Circuit Breaker

Low voltage circuit breakers take an important role in low voltage electrical distribution systems.It can help students to understand the theory of electrical apparatus and improve their practical ability,through experiments on the protection characteristics of low-voltage circuit breaker.In this paper,the principles of operation and protection characteristics of low voltage circuit breaker were discussed.The experimental method and schematic diagram of protection characteristics experiment of low voltage circuit breaker were introduced,with the parameters of main equipments given.The experimental teaching results show the experiment system meets the demand of the specialized course,and takes effect very well.