Answer / sanju

if transformers secondary is kept open,, there will not be
any current flowing in the secondary windidng of a
transformer. Seconday current will start flowing after
connecting laod across secondary winding

1 Sq.mm ( Aluminium Cable ) = How much Amphere ( AMP )

4 Answers   Google, TATA,

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how much insulation resistance 11kv & 33kv under ground cable between earth to phase & phase to phase.

4 Answers   Siemens,

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How can decide the MVA rating of power transformer for substation like 220/132, 132/66, 66/33kv etc or even higher kv rating of substation???? Send me the strictly technical answer that shows your strong technical aptitude.

6 Answers  

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What will happen to magnitude of voltage of other two phases if one phasw will touch the ground?

3 Answers   Construction, NPCIL,

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why in generating station generation voltage is 11 kv

1 Answers   L&T, Usha Martin,

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WORKING PRINCIPAL OF MCB

5 Answers   TATA,

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which relay is used on long transmission lines

10 Answers   ABB, Bhel, Student, Tata Steel Limited,

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according to faraday's law whether the induced emf is average or rms value?

2 Answers   Power Grid,

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WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

0 Answers  

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Will a 230VAC motor run OK at 208VAC.

7 Answers  

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Is there a chance for a motor speed to become negative..?? What is the reason for such a phenomenon.? In that case does the motor works as a generator..???

1 Answers  

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How earth fault & earth leakage equvpment are works?

5 Answers  

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