Answer / krushna ch sahoo

the meeting point at which all the phase
terminals are neutralised called as star
point

Answer / ramki

star point is used to know about the unbalance current , faults ,it help to measure the zero sequence currents that to know some fault will be there

In a transformer ,when voltage decreases current increases. but this is a violation of oms law.why?

15 Answers  

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Why dc voltage used to excite alternator field in stead of ac?

4 Answers  

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neutral,ground & earth different b/w

2 Answers  

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WHY 6.6KV MOTORS ARE STAR CONNECTED AND WHY NOT DELTA CONNECTED,

15 Answers   Bhel,

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why earth hole size is biggest in socket point.

5 Answers  

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If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

1 Answers   CCP,

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Differentiate between low pass, high pass and band pass filter?

1 Answers  

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why vector group used in transformer and what effective in output

1 Answers  

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On 400 amp factory load how kvarh capacitors provide

1 Answers  

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what is inter connected dc generator?

1 Answers   Lovely Professional University,

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In the N-series schneider reclosers. What is the difference between current during fault time and current at tripping? This appears in the Event log in an event of a trip out.

1 Answers   Kaytech,

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what kind of motors are used in the winders of coal field?and what are the various methods of it's speed control?

1 Answers   Monnet,

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