Answer / percy

yes there is a difference in current carrying capacity as
dc current spreads in whole conductor area and the ac
current density is not uniform and hence the resistance in
ac will be high in case of AC

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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what is the knee point voltage in current transformer

2 Answers  

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I have applied the post Junior Engineer-iii(c&w)in R.R.B chennaI recently . can i get any model question paper LAST 4 YEARS?

2 Answers   Data Entry Operator, RRB, SSC,

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why autotransformers are not safe for supplying low voltage from a high voltage source?

5 Answers  

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i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

0 Answers   Crown Buildtech,

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Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

0 Answers  

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What is the difference between earthed and unearthed cable

5 Answers   FT, L&T, Suzlon,

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how we can calculate chiller required ampear?

0 Answers  

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On what principle reluctance motors work?

1 Answers  

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how air lock will be removed from generators, how it happens?

1 Answers   ABC Engineering,

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How to calculate loses in transformer of 160 KVA ?

0 Answers   IDV,

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why zero sequence impedance measurement is not applicable for single phase GT

0 Answers  

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