Answer / nishad

My question is Why Earthing is not required in Xformer
primary star point of Star / Star connection????

Answer / k.prakashchandra

Eatrthing primary neutral of star/star Tr at the receiving
end is of no use for protection and safety . At sending end
neutral is earthed and it is sufficient.

What shocks us , Current or voltage?

21 Answers  

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Difference between directional over current and non directional over current ?

2 Answers  

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Short circuit voltage of a transformer mainly depend on A ohmic resistance of primary B ohmic resistance of secondary C magnitude of leakage flux D cross sectional area of core

1 Answers  

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how u measure/calculate renge of capacitor,capacitor has no any rating tag.what is the theory of measure of capacitons.

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ROC converges if poles and zeros lie inside a. Origion b. Z=1

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Which type of motor is used in trains, what is the rating of supply used explain working principal?

0 Answers  

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WAT IS MEANT BY COLD AND HOT START OF A MOTOR?? HOW DOES IT AFFECT A MOTOR'S PERFORMANCE??

4 Answers  

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how to calculate the multiplying factor for energy meter with CT ratio given

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Reversal of corrent feature in MCCB- What is reversalof current -explain broadly.

1 Answers  

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In a Circuit how the MCB and Fuse ratings are calculated. And shall the fuse follws the MCB or it is otherwise?

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if the diameter of a conductor is 'R' then what is the distance between two bundle conductor in a phase?

1 Answers   NTPC,

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Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

0 Answers  

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