Answer / balaji

dc series is in the trains to get high starting torque
while starting of the trains

Answer / manoj rasam

DC Series Motors for high starting torque and operating
voltage is 1500v dc.

Purpose of lighting transformer.

2 Answers  

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there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

0 Answers  

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How to reduce power factor correction capacitors failure in an industrial environment with vsd and computers usage in the system

2 Answers   ABB,

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in one substation we have two power transformers of 100mva,75mva capacity.statoin load is155mva.how much each tranformers share the load????

6 Answers   TNEB Tamil Nadu Electricity Board,

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Whether the Dc motor Droping the power factor like AC motor if lot of motor running in factory is it necessary to connect capacitor bank

2 Answers  

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An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

0 Answers  

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Formula to calculate amps rating when we are having only the width & thickness of the coppper ?

2 Answers   BEL,

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what to do with nuetral when Generators are running in parrellel

11 Answers   APTransco,

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Any one can explaination about calibration with rotating sub standards?

0 Answers  

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standard earthing rating for power line..

0 Answers  

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which motor is suitable for traction? why?

15 Answers   BCH, KPCL,

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What is the difference between a 3 winding and 2 winding Potential Transformer

0 Answers   Engineers India,

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