Electrical Engineering

 The rating of a circuit breaker includes,  1)                         Rated short circuit breaking current.  2)                         Rated short circuit making current.…

Current chopping is a term that came to our vocabulary with the advent of vacuum…

 To reduce the restriking voltage, RRRV and severity of the transient oscillations, a resistance is…

 It is the rate of increase of restriking voltage and is abbreviated by R.R.R.V. its…

 It is the transient voltage that appears across the contacts at or near current zero…

The phenomena of Arc  During opening of current carrying contacts in a circuit breaker the…

The protection scheme for a power system should cover the whole system against all probable…

·         The range of size of generators extends from a few hundred KVA to more than…