Patent ID: 6058353
Filing Date: 2000-05-02
Classification: G05B,H02H,Y02B,Y04S

Abstract:
A system for detecting the failure of a circuit breaker in a power substation, the system comprising:at least one bus having at least two feeders wherein each feeder has at least one circuit breaker;at least one relay associated with each circuit breaker of the at least two feeders wherein the relay is energized upon the detection of a predetermined event; anda programmable controller having a plurality of inputs and a plurality of outputs wherein the programmable controller has inputs coupled to each circuit breaker and the relay associated therewith and has outputs coupled to each of the circuit breakers wherein the programmable controller is programmed to detect the energization of a relay and output a signal to the circuit breaker associated with that relay to cause the circuit breaker to trip and also initiate a timer wherein if the circuit breaker does not trip within an allotted time period a signal is output to all of the circuit breakers on the bus to trip.