Classical power system stability was mainly focussed on rotor angle stability but modern power system stability has more focus on voltage stability.Why?

4 Answers  

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why colour of electrical equipment( like transformer) is grey

10 Answers   Trident,

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Why is DC use instead of AC for protection and control circuits?

4 Answers  

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Rotor resistance starter is used to obtain= A increased starting torque B decrease starting current C decrease starting loss D increase efficiency

1 Answers  

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Why do we give DC excitation to AC Synchronous motor??

9 Answers   Lance, MBM, Polycab,

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can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

0 Answers   DEWA,

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WHAT HAPPENS IF STARTER OF A FLUROSCENT LAMP IS SHORT CIRCUITED AND WE PUT THE SUPPLY ON?

1 Answers  

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what is ten delta ?

2 Answers   ABB, Areva,

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what are the main Parts of VCB

1 Answers  

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i Have 1000kva 11/.4 kv voltemp make t/f Its a 2 year old. i wants to known how much iron losses & copper loses during no load condition.

2 Answers  

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power requirement of an l.e.d?

2 Answers  

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What are the effects to a distribution transformer rated 10Kv with ratio 10Kv/0.433Kv, 3phase 50hz for example but fed with power supply of 11Kv?

2 Answers  

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