what is the use of vector group in transformer. means what r the application of various vector groups?

5 Answers  

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Why in india freq. is 50HZ & in U.S.A. it is 60HZ?

2 Answers   MacLellan,

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which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

0 Answers  

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why we multiply 11 in High Electric supply?(eg.11KV, 33Kv, 330Kv etc.)

3 Answers  

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what happen when we add mentos in cold drink?& why?

0 Answers  

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How equivalent impedance is calculated in thevenin theorem?

0 Answers  

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how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....

1 Answers  

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What is the difference between tie bus and bus coupler?

1 Answers  

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What voltage is used in Directional earth fault relay? and why?

5 Answers   L&T,

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what are tpes of insulaors& its uses

1 Answers   ABC,

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voltmeter kya hota hy ?

2 Answers  

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what is the difference between current voltage transformer and current transformer and where it is used?

2 Answers  

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