Answer / hiren patel

it is auxilliary load

If we says that current is flow only when there is closed path & neutral work as a return path for the same. Then how circuit is closed in three phase as no neutral available ??

1 Answers   Nimbus Harbor Facilities Management,

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why motor burns ?

5 Answers  

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why are we using multiples of 11 in substation.

2 Answers  

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what is the significant for using two types of voltage(line voltage & phase voltage)

1 Answers   NTPC,

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As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

0 Answers   cpgn,

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Between Turbo alternator and Hydro alternator which one is more difficult to cool and why?

2 Answers  

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Why heat produce in AC machine higher than DC machine?

2 Answers  

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What is meant by Active and reactive power?

8 Answers   Micron Electricals, SVIT,

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what is the difference between surge arrestor and surge supressor

1 Answers  

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what is the use of Auto re-closer?

0 Answers  

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all interview questions with answers of ntpc (2000-2009

0 Answers   Hetero, NTPC,

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WHEN SINGLE PHASE SUPPLY AS 220V, WHY THE 3 PHASE- 4 WIRE MEASURED AS 440 VOLTS INSTEAD OF 660 VOLTS (220 VOLTS PER PHASE i.e 220x3 = 660 volts ).

1 Answers  

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