Development of Intelligent Protector of Mine Motor Based on AVR Single-chip Microcomputer

The paper introduced a kind of intelligent protector of mine motor which was designed by ATMEG8 single-chip microcomputer. The product is a renew protector of traditional JDB serial protecotr which has characteristics of intelligent protection function expect for retaining primary protection function. The practical application showed that the protector has high ratio of performance and price and high value of market popularization.