what is phase angle ? and also tells me why my phase-phase voltages are 390 rather then my single phase voltages are 221 and 223 respectivly?

2 Answers  

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What is power factor why we should maintain the power factor unless what will happen

0 Answers  

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What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i

0 Answers  

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how r charge carriers produced

0 Answers  

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How is Grounding or Earthing achieved in Planes and Automobiles?

3 Answers   ABC,

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what is the difference between core & shell type transformer ?& where we use those transformers ?

10 Answers   BNCET,

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how is working d.c amps meter?how to connect the dc ammeter inthe circuite?

2 Answers  

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Which phase is prefered for connecting 1phase vt used for synchronism in an OHL? why?

1 Answers   Siemens,

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In DC while we mention the voltage we are using -48V but in case of AC we mention only 230V not -230V, why we using -48V not 48V

2 Answers  

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how to caculate cable size for given amperes

5 Answers   RVNL,

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.if the vector group of two transformers is not same n tey r connected in parallel operation then what will happen?

2 Answers   ABB,

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sir can you operated Transformer on frequency from that for which is design?

1 Answers   Kirloskar,

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