Latest Protection Switchgear News
Steady State Stability:
Equilibrium speed of motor-load system can be obtained when motor torque equals…
Testing of circuit breakers
Primary injection test For primary injection testing, high current is injected on…
vacuum circuit breakers
In this breaker, vacuum is being used as the arc quenching medium.…
Oil circuit breakers
Types Of Oil Circuit Breakers Oil circuit breakers can be classified into…
Air blast circuit breaker
This type of circuit breakers, is those kind of circuit breaker which…
Rate of rise of recovery voltage
It is the rate of increase of restriking voltage and is abbreviated…
Restriking voltage and recovery voltage
It is the transient voltage that appears across the contacts at or…
Formation of arc during circuit breaking
The phenomena of Arc During opening of current carrying contacts in a…




