Answer / k.prakashchandra

Thyristors

Answer / k.prakashchandra

Thyristors

why we use dc motor instead of ac motor?

7 Answers   Air Force,

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Can we use a Potential Transformer for Auxilliary Power supply( Spring charge Motor, Lighting etc)?

1 Answers  

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what is effect of unbalaced load -- say R 15A, Y 25A, B 10A

4 Answers   TransWorks,

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what you have to see after one week or month from the day of installation of transformer ?

0 Answers  

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Why secondary of a CT in a power system acts as an open circuit after core saturation?

2 Answers  

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I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?

0 Answers  

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what are the uses and applications of rectifiers?

3 Answers  

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Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

0 Answers  

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how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

0 Answers   Sandhar,

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WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM

0 Answers  

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Define coil span?

0 Answers  

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1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why transformer rating in KVA instead of KW?.

6 Answers  

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