Motor Starter
January 18, 2019
Friday, January 18, 2019
Thursday, December 20, 2018
Safety
December 20, 2018
Relay Setting of IDMT and Instantaneous over current and earth fault Relay
Relay is a protecting device which detects any kind of abnormal happenings(fault) in power system or in power system elements (like transformer, generator etc.) and sends a signal to circuit breaker to isolate the fault or to the alarm circuit to raise an alarm.
Thursday, November 15, 2018
Power System
November 15, 2018
Circuit Breaker-Type, Application, Rating, Working Principle and Operation-Part 1
Circuit Breaker is a device which converts a current carrying part into a voltage insulating part. (This definition was given by my college's departmental H.O.D Mr. P. K. P)
Circuit breaker is an essential element of electrical power system. Circuit Breaker is the device by which a faulty circuit can be isolated automatically. It can also be used for manual intentional operation.
Friday, October 19, 2018
measurement
October 19, 2018
Measurement of Reactive Power by Single Wattmeter method
Meter for active power, but measuring reactive power!!!!! Strange but true. Let's see how wattmeter measures reactive power!!!!!!
measurement
October 19, 2018
