Answer / karthick

Phase difference between two phases in 2-phase system is
180degree, whereas the phase difference between two phases
in 3phase system is 120degree..

how to calculate voltage drop and followed by cable calculation?is there avail in formula?

1 Answers  

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what is the difference in MCB, MCCB, RCCB, ELCB, & MPCB (motor protection circuit bracker)

12 Answers   Afcons, Bhel, CIHSR, DCS, IOCL, L&T, Lupin, Siemens,

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what will happen if we pass a dc current through a ac bulb of 60 watt.The dc current is half ac one

4 Answers  

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We have two 1 phase heating coils having same resistance of 25ohm, but during operation one takes 3A and other 6A Is it posiible Pls. explain

5 Answers   Bhel,

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what is lxr?

0 Answers   NTPC,

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what will happen when the dc supply is given to the capacitor?

1 Answers  

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why generaters need four earthings

5 Answers   Sasken,

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in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 Answers   ABB,

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When measuring the Insulation resistance of a motor winding (winding to earth) using a megger meter, Applied voltage(1000V) was automatically reduced to 500V. and the measured insulation resistance values are also very low (in Kohm range) Can anyone give me a reason???

3 Answers  

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What is meant by harmonic distortion?

1 Answers  

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what is an unbalance in acircuit? in a three phase 3wire circuit how an unbalance will come? in a three phase four wire system how an un balance is coming?

1 Answers  

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What does quality factor depend on in resonance?

1 Answers  

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