Standard testing and commissioning of II kV switchgear / Mohamad Osman

Switchgear is an essential part of a power system and also that of any electric circuit, switchgear includes switches, fuses, circuit breakers, isolators, relays, control panels, lightning arrestors, current transformer and various equipment. Switchgears are necessary at every switching point in the power system. Hence in the various application the requirement of switchgear vary depending upon the location, ratings and local requirement. Besides the supply network, switchgear is necessary in industrial works, industrial projects, domestics and common buildings.