Load control system is for disconnecting abnormal sub-bus from main-bus; The load control system has switching circuit (50+51) for connecting the sub-bus (1A, 1B . . . 1N) to the main-bus (2) or disconnecting sub-bus (1A, 1B, . . . 1N) from the main-bus (2) and bus watch device (30A, 30B . . . 30N) for...http://www.google.com.tw/patents/US5012120?utm_source=gb-gplus-share專利 US5012120 - Load control system and method for disconnecting sub-bus from main-bus
