塑壳断路器的灭弧能力分析及应用

Analysis and Application of Arc Extinguishing Capability of Molded Case Circuit Breaker

在低压配电系统中,塑壳断路器具有重要作用。当低压配电系统中出现问题时,可以通过塑壳断路器切除故障,提高配电系统的供电可靠性和安全性。同时,在实际应用中,需要合理选择塑壳断路器的型号,如需要考虑塑壳断路器的灭弧能力和开端电流能量。因此,分析塑壳断路器的概念,介绍塑壳断路器的灭弧能力,阐述灭弧系统的结构设计方法,总结归纳了塑壳断路器在实际中的应用情况。

In the low-voltage power distribution system,molded case circuit breakers have important applications.When a problem occurs in the low-voltage power distribution system,the molded case circuit breaker can be used to reliably remove the fault,thereby improving the power supply reliability of the power distribution system.At the same time,in practical applications,it is also necessary to select the model of the molded case circuit breaker,such as the arc extinguishing capacity and the starting current energy of the molded case circuit breaker.This article first analyzes the concept of molded case circuit breakers,then introduces the arc extinguishing capacity of molded case circuit breakers and the structural design method of the arc extinguishing system,and finally analyzes the application of molded case circuit breakers in practice.