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What are the minimum acceptable insulation resistances of insulation of underground cable suitable for 0.440kV,11kV, 33kV and 66kV?
2 6565Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?
NTPC,
2021how to calculate overall efficiency of diesel generator set? give us a formula with an example.
2 9424To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?
1931why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?
2288what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW
8632What happens to an electric motor if it has poor or no ventilation. Will it burn out? If it will, how long it will run before it burn out?
GMC,
5 8158Post New Electrical Engineering Questions
what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?
What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr
what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY
How to check the cable fault / hv test of transformer cable.
I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.
Vibromotor 252MV 1/4HP2P..what is mean by 252MV?
Can i replace Earth leakage relay to the faulty Earth Faulty Relay
how many parameters can integrate with fire alarm basically ?
in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter
what is meant by flywheel and its role in retardation test
what is the carona effects meaning in HT line transmmission system
For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?
What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?
I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.
What are the basic properties of signal flow graph?
