Most of the faults on over head lines are transient in nature. About 85% to 90% of faults are momentary…
A current limiting reactors is also called as series reactors. It is an inductive coil having large inductive reactance compared…
There will be no flow in the zero sequence currents In ungrounded or isolated neutral system there will be little…
Generally on neutral grounding is provided at each voltage. There will be several voltage levels between the generation of the…
Normal loads on ac supply system are inductive in nature (eg: motors, power transformers, voltage regulators, induction furnace, choke coils,…
Dynamic Reactive Power Sources: It includes reactive power compensators which have the ability to respond within duration of cycles and…
When the voltage at the terminal of the electrical equipment deviates from the value as specified from the name plate…
Some of the factors that effect the selection of nominal voltage levels for the service systems are: Type and size…
Sources of Harmonics: Several sources of harmonic currents that may be found on electrical power distribution networks are listed below:…
Grounding systems in the generating stations should able to meet the following grounding principles: Grounding Principles: Metallic enclosure on electrical…
