what are circuit breakers? design of circuit breaker for given load, installation of circuit breaker, working principle of circuit breaker, classification, selection and maintinence
History Of Circuit Breaker An early form of circuit breaker was described by Thomas Edison in an 1879 patent application , although his commercial power distribution system used fuses.Its purpose was to protect lighting circuit wiring from accidental short circuits and overloads. Installation Of First Circuit Breaker The BOSTON Electric light company in 1898 used the first installed breaker at the local L Train Station. Working Principle Of Circuit Breaker Circuit Breaker essentially consists of fixed and moving contacts .Whenever a fault occurs on any part of the system,the trip coil of the breaker gets energized and the moving contacts are getting apart from each other by some mechanism , thus opening the circuit. Design Of Circuit Breaker For Given Load ...