Answer / k.senthil kumar

HAi Mr Ankush Miglani i have doubt about transformer kept
Star-Star (Y-Y)(YNynO vector group) conections how we can
earth the primary side .

Answer / prashant

no one is correct
even also i don't know the answer.

Answer / balu

If you take the case of Y/Delta step down t/f , it don't have neutral thats why no earthing req.

A ceiling fan moves Counter clockwise & a pedestal fan clockwise.....y the difference????

5 Answers   Alstom, NTPC,

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how we decide the require size is this for a known current at fuu load?

0 Answers  

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what is automatic voltage regulator and it is used?

2 Answers   HAL,

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calculation of lad carryinc capacity of 6mm2 cross section wire in 415 voltage circuit. What will be the amps.

0 Answers   MAHINDRA,

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we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply

5 Answers   Areva,

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why the genearation of electricity always in form of sine wave only ??? why not cosine wave ???

1 Answers  

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discuss thyrister convertor type of AVR.

1 Answers  

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why transformer rating is in kva?

11 Answers  

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What is mean by discrimination of circuit breaker ?

1 Answers  

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How to design inductive load for 3 phase 440v and maximum 5 amps for star or delta? Can we use a 15kW, 1450rpm motor for 15kW, 960rpm apllication?If yes.how......n.if thesame motor used what`s it`s sideeefect.

0 Answers  

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What is the advantage of AC supply?

5 Answers   PSU,

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WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

0 Answers  

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