Answer / parvej ali

20 hp

what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

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difference b/w bus bar and tie line?if possible explain with eg:

2 Answers  

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Difference between transmission line and cable?when ever a large water channel has to crossed it is easier to use cable then transmission line why?

1 Answers  

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What is the operational principle of direct current current transformer and direct current potential transformer?if possible plz reply with ckt. diagram.

1 Answers  

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If a motor of 8.5 KW with same load and using in both Star & Delta one by one,then which will take more current in star connected or in delta connected

4 Answers  

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why ups rated in kva

1 Answers   MRF,

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WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

0 Answers  

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what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

0 Answers   Escorts,

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what is power factor

5 Answers   Exide,

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What are the different sizes of cables for H.T and L.T side of supply?

7 Answers   Bhel, BSES, Karthik Industries, Lanco, Nedco, Shilpa Electrical Engineers, TATA, Torrent Power,

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Why the size of transformer decreases if we increases the frequency?

5 Answers   Graphics Engineering,

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what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

0 Answers  

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