Answer / iamdon

Vector group arises due to relative diference between
primary and secondary windings of the transformer.Since
each of such windings has some advantage over other so we
use all of them in particular apppliction.

Answer / k.prakashchandra

They are required for phase shifting or matching wherever
required, especially for measurements in electronic relays
and meters

1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

0 Answers  

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how megger step up the DC voltage

1 Answers   Voltech,

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we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

1 Answers  

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what is phase angle and how its generate moreever how we measure the phasse angle?

1 Answers  

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hello friends..... any one have papers or any study materials?sail ,hpcl...?

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What is IDMT? What is the principle

3 Answers  

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single phase voltage 230 and Three phase voltage 450 why 690 voltage

1 Answers   XYZ,

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why transmission line towers are longer than communication line towers?

3 Answers  

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Isi standard of lux level required / to be maitained in different working place general & in textaile industry.

1 Answers  

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What is skin effect?

2 Answers  

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how to calculate the cable size depending on the amps?

1 Answers   Polycab,

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in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

0 Answers   Shaifali Rolls,

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