Answer / k.virat kumar

at a one particular volt in tr. line, hessing noise occurs,
that corresponding volt is called discruptive critical
voltage. volt more than this noise a light glow and ozone
layer is produced called corona loss

Answer / naveen

corna loss generally the ionization of the surrounding air

Answer / srinath

when voltage in tr.line increase about particular level than the air insulation across conductor breaks and the power loss occurs in form of hissing noise and violet glow

a 100mva,400/200v transformer has leakage impdce of 10% draws a steady state line currentof---------------

0 Answers  

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1 HP = how many kw

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diff between grounding & earthing

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What is transformer saturation?

1 Answers  

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how we are measuring the winding temperature of the transformer?

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what is meant by phase transformation ratio in induction motors?

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To attain a powerfactor more than .95, how much kvr should we use for 100 HP of current

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why generator and t/f ratings given in kva?

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HOW TO CALCULATE THE CAPACITOR RANGE FOR LOAD FOR PF IMPROVEMENT? EXPLE:FOR 65 HP LOAD HOW TO CALCULATE CAPACITOR RANGE?

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what is mean by derating factor?

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what voltage to be select in megger for insulation resistance testing to L.V , H.T cables,motors and transfomer?and ohms valve should be giga ohms only or what?

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