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What is mean by ideal infinite bus? Why it is required to consider in fault short circuit calculations?
1 5376What is Energy based relay coordination & time based relay co-ordination? In which type of distribution arrangement these methods are applicable?
1 3915What is the voltage violating limit to be considered for load flow study? What is acceptable deviation limit according to relevant standards?
1 3886Why tripping not occur when the transmission lines (11KV & above) breaks? Doesn't we provide earthfault protection for it?
1 5266Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?
9 21264How can we calculate ngr resistance for a generator and Transformer ? What type of transformer requires ngr ?
5 43758Post New Electrical Engineering Questions
What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?
What happens if the series current double?
Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????
10 tube light connect in mcb breaker.one tube light is fault.so breaker is tribe.how fault is rectified.(using 3wire phase,earth,neutral)
Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?
from which formula we select a capacitor rating?
how to calculate single phase motor efficiency ?
various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.
Define delay time.
Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.
How we calculat the NGR of 3phase Generator, Our generation voltage 11KV
How we can come to know the substation range,without go through any name plate ?
WHAT IS IM (INDEX OF MOUNTING )IN MOTORS
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
What is the ideal position cooling fan inside the dc motor?
