last week we did the REF relay test by closing single pole (R phase) of CB and apply 380V at the primary of delta transformer. we get 33A at the primary of the R phase star end. but we get 380A at both R an B in delta side. how and why?

1 Answers   Siemens,

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Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

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I have a one P.F meter in my factory showing 2 phase leading and one phase lagging then what is my actual P.F.

1 Answers  

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compressor compresses air means exactly what happens?

2 Answers  

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how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????

0 Answers  

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why normally Generator rating are between 11Kv to 22Kv?

2 Answers   IFFCO,

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what is the reason of current flow in nutral although load is balanced (three phase equal current)

3 Answers  

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what will happen if we pass a dc current through a ac bulb of 60 watt.The dc current is half ac one

4 Answers  

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What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????

0 Answers  

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16kv transformeris stolen in my village.and department is not taking action.then what should i do.any shortcut .please help any idea

1 Answers  

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On what principle electric motor works?

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if we have a industrial load of 400 kilowatts with 415 volt AC then how much total harmonic distortion (thd%) should be acceptable for steady power system.

0 Answers  

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