Why restricted earth fault protection is needed? Why can’t
differential Protection is sufficient?
Answer / mazen
restricted earth fault relay shall be provided for each
neutral earthed star winding of power transformer
Is This Answer Correct ? | 1 Yes | 1 No |
opkinson's test
Why star point of star connected motor is not grounded? Why alternator is operated at lagging power factor?
Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?
why vaccum circuit breakers are preferred over m.o.c.b
what is the sludge current
What the methode get earth resistance?
As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?
What is systematic error?
From stability point of view,What(higher/lower) should be the value of inertia constant of rotating machines?
How to check the LM324 Ic
WHAT INSTRUMENT IS USED TO MEASURE THE MAGNETIC FLUX?
What is an automatic controller?