This paper introduces the basic structure of the solid state circuit breaker(ssb) based on IGCT and introduces the hardware and software design using AT89S51S single- chip microprocessor for intellgent control of ssb.

• 介绍了一种采用IGCT的固态断路器的基本结构,并且利用AT89S51单片机对固态断路器进行智能化控制的软、硬件设计。