why always out of the 3 phase(RYB) of supply, in Y phase w.r.t the voltage is higher? on R & B phase the voltage will be lower as compared to Y phase?

1 Answers  

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single phase voltage 230 and Three phase voltage 450 why 690 voltage

1 Answers   XYZ,

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how to check the LRS resistance .......................

1 Answers  

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how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

7 Answers   NTPC,

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Sir, Please tell me that how I will calculate the efficiency of rectifier. Because input is ac and output is dc. Is it right to put two unlike signal together.

2 Answers  

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Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

0 Answers   HAL,

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why transformer is rated in KVA ?

5 Answers  

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What kind of test is conducted commonly for generator? And explain briefly

1 Answers   MAHINDRA,

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what is the reason of power development in synchronous generator due to saliency ?

1 Answers  

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why the AC or DC motor takes high starting current?

2 Answers  

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testing ZNYn11(d) vector group transformer

1 Answers  

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i have 60Hz motor, can i run it at 50Hz power supply ???

2 Answers  

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