Answer / manidipa

beacause of many reason

Answer / debiprasanna swain

because in case of synchronous motor magnetic locking is required so to create magnetic poles field winding is placed in the rotor winding

Answer / kishalay datta

because in case of synchronous motor magnetic locking is
required so,create magnetic poles field winding is placed in
the rotor winding....

what is the suitable voltage of transmission line to transmit 10000w power through 250 km. (a)11kv (b)33kv (c)66kv (d)132kv ]and please tell me whats the logic behind it

7 Answers   ONGC,

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how to select cable size according to ampere.

1 Answers  

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how to select the rating of neutral ct with reference to transformer secondary current(in power transformer,stepdown tansformer,for example2000kva,11kv/415volt

2 Answers   ASD Lab,

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Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it?

3 Answers  

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in star delta starter current is 1/3times the delta value how?

2 Answers  

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why a pure inductive circuit has zero power output?

8 Answers  

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In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?

1 Answers  

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Why do we need interlocking in a HT metering or Ring main unit switchgear?

0 Answers  

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What happens if we run alternator on under frequency? 

0 Answers   SRHHL,

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how to calculate multiplying factor with ct ratio 400/5

1 Answers   KBPL,

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What is Load commutation and how it is done?Cite some example where this type of commutation is used

2 Answers   NTPC,

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please design a rectifier with batteries for below requirement and also explain how you calculate this solution, Load = 700Amp DC Backup time = 6 hour. please explain briefly ?????

1 Answers   GNFC,

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