Answer / sumit b

P=VI Cos¢ (single phase)
P=√3 VI Cos¢ (three phase)

Answer / v.venkata ramana

L.V cable selection is Al cable 1sqmm carry 3amps
Cu cable 1sqmm carry 6amps

I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?

3 Answers   Descon,

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what is XLPE cable?

2 Answers   Essar,

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what is current overloading in stack

0 Answers  

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If the capacitor feeder is switched ON without any load, is there any display in the ammeter at the incomer?

3 Answers   RTD, Welspun,

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What is the formulae of Megger value for a A.C.Motor

0 Answers  

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Why strting torqe high in inducation motor?

0 Answers  

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how to calculate the current carrying capacity of a conductor. How it is related to diameter of cable or conductor

3 Answers   AGC, BARC,

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a solenoid of inductance 250mH and resistance 10ohm is connected to a battery. the time taken for the magnetic energy to reach 1/4th of its maximum value will be?

1 Answers   SSC,

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What happen while we measure the Current in Rotor?

1 Answers  

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How to determine the Power factor is Leading,Lagging & Unity ?.I don'thave any Meters.

3 Answers  

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Why insulation layer of a High Voltage cable is more than a current carrying cable?

3 Answers  

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is it possible to have dc motors on single chip

0 Answers  

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