Answer / rajkumar

Exitation is an external voltage applying to motor by dc
shunt motor.

Answer / khader shah

Exitation is applying an external voltage to DC shunt coil
in DC motors

WHAT IS VFD,FUNCTION, PURPOSE,

2 Answers   RasGas,

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why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?

4 Answers  

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What will happen if the oil level in the buchholz realy of a transformer gets down?

3 Answers  

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Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

0 Answers  

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What is Black-out and Brown-out situation in the context of voltage stability in power system?

1 Answers  

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what is different between kvar & micro farad when its comes across the capacitor rating is it possible to convert kvar to mf or mf to kvar

1 Answers   Manipal University,

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star delta advantage and disadvantage?

2 Answers  

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What is slip in induction motor?

3 Answers  

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If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

0 Answers   MEIL,

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why battery is connected in series?

10 Answers   HP,

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What is the technical reason for adopting color coding of three phase system as RYB.

11 Answers   ABB, ERDA,

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how am i achived model paper to prepratio for bhel exam

2 Answers   Bhel,

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