Answer / probal mitra

It is due to the skin effect, which reduces effective
crosssection of conductor carryin A.C. current. hence the
resistance increases and larger conductor is reqired.

how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u

3 Answers  

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In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

1 Answers  

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A long transmission line is limited by - a)thermal limited b)voltage limited c)stability limited d) L,C limited please explain with proper reason.

1 Answers  

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PLEASE INFORM ABOUT THE IDEAL TEST RESULTS OF MAGNETIC BALANCE TEST OF TRANSFORMER 33/11 kv DELTA-STAR T/F

0 Answers  

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Where all & Why resistance grounding is required?

1 Answers  

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How to test and satisfy the conditions of the vector group YNd1 for power transformer?

1 Answers   Areva,

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In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????

0 Answers   Equate,

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If ac 230volts inputsupply to full wave rectifire what is D C output voltage.

3 Answers  

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voltmeter kya hota hy ?

2 Answers  

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Diff between Earthed & Unearthed cable ?

1 Answers   Torrent Pharma,

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what you mean by vector group of a 3 ph transformer

1 Answers  

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What type of changeover switch needed to run a load of five 1.5 tonn ACs.

1 Answers  

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