current chopping
Current chopping is a term that came to our vocabulary with the…
Resistance switching
To reduce the restriking voltage, RRRV and severity of the transient oscillations,…
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…
Long distance power transmission
The electric power generated in a power station situated in a remote…
Block Diagram of an Electrical Drives
Drive: A combination of prime mover, transmission equipment and mechanical Working load…
Protection of bus bars
The protection scheme for a power system should cover the whole system…
Generator protection
· The range of size of generators extends from a few hundred KVA…
Current Transformers(CT)s and Potential Transformer(PT)
Current transformers are generally used to measure currents of high magnitude. These…


