Research of a Novel Arc Fault Circuit Interrupter

The reason why arc happened in a low voltage circuti was explained,and the arc maker was used to simulate the phenomenon when series arc happened.The arc current character was analyzed when arc happened both in time domain and frequency domain.Combining the measurement method exitied,a new idea of measure-ment method was proposed,and its principle was explained.At last,the future development about AFCI was pre-dicted.