Answer / k.prakashchandra

3 phase is usually used for arc furnace and 2 phase is used
for induction furnace.With more number of phases in
converter,the DC wave will be smoother.

For a Potential Transformer(PT), the primary neutral terminal must be grounded before energization. Why....? What will be heppend if we energize the PT without grounded the primary neutral point? Why..........?

2 Answers  

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I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

0 Answers  

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how we calculate capacitor bank mvar for 11 kv distribution networ , and i need releation between capacitor bank with voltage, frequency, current, pf

2 Answers  

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how can we know cable size for a given current? if any one have catalogue plz mail to vijay_raju369@yahoo.co.in

5 Answers  

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Earth has zero potential then what would be the neutral potential ?

0 Answers   JLL,

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what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

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Why is remote backup preferred to local backup?

0 Answers  

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why the starting current of a motor is high?

3 Answers   ITC Infotech,

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What is the min and max ohmic value for earthing?

15 Answers   NewTek, Wipro,

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what is advantage in open delta connection?

20 Answers  

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I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers  

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rating of ups??

1 Answers  

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