Bus Zone Protection: Bus Zone Protection includes, besides the bus itself the apparatus such as circuit breakers, disconnecting switches, instrument transformers and bus sectionalizing reactors, etc. Although bus zone faults…
Zone Protection: The Zone Protection is that part of a power system guarded by a certain protection and usually contains one or at the most two elements of the power…
Overlapping Zones of Protection: Overlapping Zones of Protection - In order to provide selectivity to the system it is usual practice to divide the entire system into several protection zones.…
Protection and Switchgear Interview Questions and Answers: Following are the below Protection and Switchgear Interview Questions and Answers, Protection and Switchgear Important Questions and Answers 1. Mention the essential features…
Carrier Aided Distance Protection Scheme: The directional comparison carrier pilot relay schemes presently employed are built around standard three-zone step type distance relays. This speeds up fault clearance for internal…
Directional Overcurrent Protection Principle: For the main bus-bars in the power stations, due to their importance in the operating conditions, it is required that the disconnection be without any delay…
Frame Leakage Protection of Busbar or Fault Bus Protection: Frame Leakage Protection of Busbar or Fault Bus Protection is one of the most simple form of protection and is applicable…
Backup Protection of Busbar: Backup Protection of Busbar is the simplest of all to protect the buses with the aid of backup protections of the connected supplying elements which should…