1. Power factor of purely resistive circuit is…? Unity 2. The capacitive reactance is measured in ….? Ohm 3. Permalloy is an alloy containing…? Nickel and iron 4. For sinusoidal current crest factor is…?...
1.Which of the following is the starter used for 3 phase slip ring induction motor? Rotor resistance 2. The conductor used for over head transmission line is….? ACSR 3. The current transformer is used...
Differential protection or Mertz Price circulating current is mainly employed for the alternator stator winding protection against earth faults and phase-to-phase faults by use of circulating current principle. It function on the concept of...
The Buchholz relay is a safety device which protects the transformer from internal incipient faults(slow developing faults such as insulation failure of winding, core heating, fall of oil level due to leaky joints etc..). It is...
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