What is the allowalable frequency variation in India and in
US?
Why there is the difference?
Answer Posted / deepak kumar
+- .5%
| Is This Answer Correct ? | 6 Yes | 15 No |
Post New Answer View All Answers
xfhnchncv?
where does 22kv line starts
How many types of losses occur in a transformer?
Why syn. Generators are used for the production of electricity?
what is Different between Bilinear and Unilenier?
Why do we need interlocking in a HT metering or Ring main unit switchgear?
What is the difference between isolators and electrical circuit breakers?
what are the ''pitting rings''and how cn they be controlled in a series generator
what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.
what is earth resistance? how to measured? and give values at power station and mcc area?
Which capacitor is preferred for high voltage and frequency?
Explain using drawings what is reverse PID action w.r.t PID controllers.
which type of stability limit is higher,steady state or transient? why?
how to differentiate a mpcb,mcb with a contactor? Explain their working operation
Dear Respected sir how to test ABB REX521 protection relay by relay tester.