Answer / k.prakashchandra

Dd5 and Dy0 are not possible.When primary and secondary are
connected in different groups ,there will be inevitable
phase shifting. However Dd6 and Yy6 are possible.

For having nonavailablity of 10 Amps fuse, a lineman replace the same with 5Amps two strand, Do he correct ?

4 Answers  

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ROC converges if pole and zero lies inside a) origin b) z=1 c) pole d) zero ? Explanation please? if ROC does not converges then?

0 Answers   CCP,

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plz explain TSM and PSM.with example suppose ct ratio is 4000/5 and tsm is .15 and plug is at 3.75 if fault current is 8000A.so how i find relay oprating time.

2 Answers   College School Exams Tests, ME,

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What does substation operator do in substation?

2 Answers   ABB,

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what is relation between vector group of transformer and its load hormonics?

1 Answers   Sanmar,

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Why is it not possible to operate a star-delta transformer in parallel with delta-delta transformer?

1 Answers  

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according to ohms law ,the voltage increases then current is what happened?

4 Answers   NTPC,

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I am new guy as an electrical engr. in a 100MW HFO based power project. I am in operations division. I have noticed from last few days, my supervisor sends the last 24 hours energy generation calculation to my plant manager. I have noticed, he calculated last 24 hour's generated energy differences in KWH then he multiplied it with a multiplying factor 960. for example: total difference =2.685 KWH*960= 2577.6 MWH. but he does not not know what is multiplying factor 960?? can anybody explain it??

1 Answers   Orion,

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

15 Answers   Bhel,

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Define phase cross over?

0 Answers  

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Application wise, where we should use AC motors and where we should DC motors?

1 Answers   Nespak,

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Why lose 1 phase voltage in 33kv to 415v stepdown transformer

0 Answers  

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