Answer / perambalur sakthivel

red, yellow, blue are the primary color in spectrum lines
so in our senior fix the RYB (vanthni@yahoo.com)

Why we use mostly circular coil in transformer? not square or rectangular type of coil.

4 Answers  

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what do you mean by leading power factor & lagging power factor

13 Answers   Suzlon,

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Motor,transformers,capacitor tubelight etc....

0 Answers  

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The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

0 Answers  

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what is mean by transition resistance of transformer?

0 Answers  

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What facility we get after CT secondary earthing and how?

0 Answers   Reliance,

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What are the different protection systems used to protect the transformer internally and externally?

16 Answers  

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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

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define transformer

1 Answers  

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A heater capacity is 3.0 KW on 415V . if supply voltage is 380Volt . what is heater capacity on 380volt . and how calculate and give formulas . Prakash veer singh Roto power Engg.

5 Answers  

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Is possible to increase the voltage without using transformer? why?

9 Answers  

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Where the Dry type tranformers are used.

5 Answers  

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