What are the minimum acceptable insulation resistances of insulation of underground cable suitable for 0.440kV,11kV, 33kV and 66kV?
2 5402Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?
NTPC,
1428how to calculate overall efficiency of diesel generator set? give us a formula with an example.
2 8453To 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?
1431why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?
1512what 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
8014What 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 5975Post New Electrical Engineering Questions
either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?
description about dry type transformers
relation between power station capacity and voltage level?
What is Instantaneous Earth fault relay,how will work
What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection
how we will deside the high voltage value
1.dg on load alarm/stop alarm... 2.dg on load. piu alarm alarm kaise chek krte hai
Why different Pressure switch used in marine boiler water circulation system
why generator efficiency is more in swinburnes test?
What are the basic components of the feedback control system?
i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.
what is conductor constant of raccun conductor
sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.
in dc shunt motor if field winding is shorted then
can i use the six sigma method which is used in management area, in state estimation of power systems?