Â PLEASE BREIFLY STATE THE DESCRIPTIONS OF FOLLOWING: Circuit breaker Relay Fuse AutoRecloser Latching current Holding current Thrysitor Choppter Inverter PLEASE BREIFLY DISCUSS EACH AND DRAW...

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Electrical Engineering

Â
PLEASE BREIFLY STATE THE DESCRIPTIONS OF FOLLOWING:
Circuit breaker
Relay
Fuse
AutoRecloser
Latching current
Holding current
Thrysitor
Choppter
Inverter
PLEASE BREIFLY DISCUSS EACH AND DRAW THE CIRCUIT DIAGRMAm OF EACH WITH THE EQUATION INVOLVED WITH EXPLANATIONS

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1 Circuit Breaker An Electrical circuit breaker is a mechanical switching device used for control and protection of Electrical power system It is capable of making carrying and breaking currents under normal and specified abnormal circuit working conditions such as short circuits or faults A main function of a circuit breaker is to isolate the faulty part of the power system during abnormal circuit conditions such as faults The circuit breaker isolates the faulty part of the power system after it receives tripping signal from the protective relay According to the type of insulation medium circuit breakers can be classified as 1oil circuit breaker 2air break circuit breaker 3air blast circuit breaker 4sulphur hexaflouride circuit breaker 5 vaccum circuit breaker Working principle of Circuit breaker A circuit breaker consists of 2 contacts fixed contact and moving contact placed in an insulating medium When a fault has occurred in the power system the moving contact interrupts the circuit The contacts are separatedforming an arc See Answer

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