In a 11000/440 V transformer, when any one phase of 11 KV supply fails (ie., single phasing), what happens to the secondary voltage and why?3 13484
Why HT motor of 3.3 kw or 6.6 KV, one side foundation ( mostly non drive end ) keep insulated from ground ?2 2076
1KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason16 23449
what is the difference in inductance and resistance.both oppose the flow of current but how.resistance having + ve power in both cycle while inductance having both power.5 13190
why it is important to earth neutral of 3 phase transformer?9 10855
From, which load current range ( upper - lower limit current)can Air circuit breaker used for in electrical circuit.
Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?
why fractional pitch winding generally used in alternators?
what is mean by dry frequency
Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?
How to find ampere on ht side for selection of cable size ???
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?
when a pure dc signal is sent through a moving iron meter, what will it read?? dc or rms?? when a variable dc signal is sent through a moving iron meter, what will it read?? dc or rms??
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what does mean of RCT and STR in diffrential CT?
What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.
What happen when change order of CT in GIS feeder?
what is capacitor voltage transformer?? how it is different from potential transformer?
How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.
What type of wiring series or parallel is used for conventional and addressable type FAS & why?