how to calculate insulation level of transformer?

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WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI

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my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking

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Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

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what is the reason for drop in freq. from 50 hz at generating side to 49.8 ,49.6 etc.at receiving side???

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how to calculate earth fault relay current and CBCT ratio

0 Answers   ONGC,

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why we use separate earthing for two seprate machine??

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For single phase(phase to neutral) having potential difference 230.in three phase(phase to phase)we have 440V HOW...?

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I want to know the standards for earthing system as per IEC, BIS & IEEE.

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what is load vs Torque curve & why it is used?

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How much voltage we need to apply in 33kv cable during hipot test of cable

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sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

4 Answers   ISRO, Power Grid,

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