2nd October 2019


What is meant by arc quenching?

arc quenching medium. Definitions. plwordnet-defs. [noun] An arc quenching medium is a substance, such as air or transformer oil, used in circuit-breakers to extinguish eletrical arcs.

What is meant by arc phenomenon?

ARC PHENOMENON IN CIRCUIT BREAKER When a loose connection (a gap) is made in the faulted circuit so loose that the current flowis non-continuous, it is called an arcing or arc fault.

What is current chopping phenomenon?

Current Chopping in circuit breaker is defined as a phenomena in which current is forcibly interrupted before the natural current zero. Current Chopping is mainly observed in Vacuum Circuit Breaker and Air Blast Circuit Breaker. Current chopping is predominant while switching Shunt Reactor or unloaded Transformer.
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