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

difference between ordinary MCCB & Motorised MCCB

4 Answers  

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How to measure the capacity/rating of a distribution transformer in KVA?

0 Answers  

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What are the commonly used schemes for the bus zone protection?

0 Answers  

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in DG synchronization system can i short R,Y,B- phase(DG-1) to R,Y,B Phase (DG-2), HOW IT WORK . WHAY WE NEED TO SYNCHRONIZATION.

1 Answers  

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what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?

0 Answers   IIT,

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Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

1 Answers   ABB, Corsa,

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why we use crushed stone in switch yard?

3 Answers  

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How the power factor is more in high speed machines

1 Answers  

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What is the use of lag compensator?

0 Answers  

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what is reactive and active power?why we need power factor correction?

2 Answers  

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power requirement of an l.e.d?

2 Answers  

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why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

0 Answers  

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