Answer / raja sekhar

b'coz u can know that the high voltage winding has low
current and when switch is tapped there is less possibility
of geetin arc

Answer / jagadeesh

i think to reduce the leakage flux

Answer / anu

Tap changing at HT side is more efficient

why the altrnator(AVR) not showing the any voltage after making the new winding and insulation?

1 Answers   Avon,

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why current transformer secondary is short circuited an what will happen if connect very high resistance acrossthe secondary side of current transformer?

1 Answers   NPCIL,

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What is meant by a stray loss of a induction motor??? What is the equation to find it

0 Answers  

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what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.

0 Answers   Bhel,

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the 230 value of voltage which is use in our home . is that value is rms, aerage or peack value of voltage?

5 Answers   L&T,

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what is the rating of power generation in india?

10 Answers   Siemens,

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Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

0 Answers  

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if the field circuit of a d.c. shunt motor running without load gets opened, then the motor will

3 Answers  

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Supose we have one 220v A.C fan.if we provide 220v D.C what will be happen?

13 Answers  

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Alternator couple to diesel engine why, Alternator couple to ac service motor with gear drive for 1500 rpm possible (yes or no) aim to low input power supply give to motor then high output power taken for alternator Please answer this question

1 Answers   Turbo,

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why the oscillator doent need the ac voltage??how can it produce the ac voltage by applying the dc voltage only??

2 Answers  

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how we can improove power factor?????????

8 Answers   TATA,

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