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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 6659Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?
NTPC,
2067how to calculate overall efficiency of diesel generator set? give us a formula with an example.
2 9499To 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?
1974why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?
2376what 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
8690What 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 8327Post New Electrical Engineering Questions
Where is servomechanism used?
bsec exam syllabus (mis)
What is an order of a system.
What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer
why cable i burning without tripping. how can protect led street lights
I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
solor panels arrange some angle,panel is flat fitted energy was produced or not why?
In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?
while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?
How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?
Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?
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?
What are the types of control system?
What does ampere turns shows?
