Why a transformer Noise during its running condition ?

8 Answers   NTPC,

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how to calculate compresor capacity?

0 Answers  

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why we need the starters for motors

1 Answers   L&T,

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How will you calculate the correct KWH value if your CT is 600/5 and your KWH meter is rated for 100/5

1 Answers   L&T,

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why transformer is rated in kva instead of kw?

1 Answers  

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How we can calculate what type of supply we need for an example sometimes we take 11 KV and sometime 33KV from EB ?

4 Answers  

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Why increase in current leads to increase in conductor temperature?

0 Answers  

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PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

0 Answers   ABB,

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How the soft starter control the starting current in three phase squirrel cage AC Motor?

1 Answers  

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How the annunciator works ? How to do its wiring

0 Answers   Ford, MSEB,

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1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 Answers  

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what is differential relay in power transformer??

8 Answers  

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