How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

3 Answers  

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why do we generate sinusoidal ac?can we generate some other waveforms by alternators?

11 Answers   Siemens,

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Explain how Hormonics will effect the Electrical System?

5 Answers  

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How to convert farad to kvar. both are the unit of capacitor.

5 Answers   College School Exams Tests, UltraTech, Vikram Ispat Industries,

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What is stub protection is all about?

1 Answers  

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when voltage increases then current also increases then what is the need of over voltage relay and over current relay? can we measure over voltage and over current by measuring current only?

1 Answers  

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Synchrounous motor is three phase motor,but its not self starting .why?

23 Answers   Delta Beverages, KI, L&T, NTC, TVS, Wipro,

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why neutral busbar size is half of the phase busbar size in control panels

1 Answers   IBS,

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In transformer how measure the winding temperature ?

5 Answers  

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why the neutral point is zero in star connection?

4 Answers  

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what is the difference between squirrel cage & slip ring induction motor?

17 Answers   College School Exams Tests, NTPC, Ramyaa Electro Gear,

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what can be the causes of capacitor start motor having a higher current that its actual

0 Answers  

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