circuit breaker

Views:
 
     
 

Presentation Description

No description available.

Comments

Presentation Transcript

WHAT IS A CIRCUIT BREAKER?:

WHAT IS A CIRCUIT BREAKER? A circuit breaker is an equipment that breaks a circuit either manually or automatically under all conditions at no load, full load or short circuit.

Operating Principle:

Operating Principle Two contacts called electrode remains closed under normal operating conditions. When fault occurs on any part of the system, the trip coil of the circuit breaker get energized and contacts are separated.

Arc Phenomenon:

Arc Phenomenon An arc is struck when contacts are separated. The current is thus able to continue. Thus the main duty of a circuit breaker is to distinguish the arc within the shortest possible time.

authorStream Live Help