why we use mostly 3-phase but not 4-phase and 5-phase what is the difference between them

1 Answers  

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generally rectifying of ac tells. ac signel appear at phase and neutral with respect to frequency by -veand +cycles. but we doesn't experience shock with neutral in house hold ac??????.

1 Answers   ETA, RRR, TCS,

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rrb question

0 Answers  

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What core magnetic balance test of transformer? How to do this test in a three phase Star star (star-LV, star-HV) transformer? How to measure and where to measure?

1 Answers   Alstom,

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What does CDG,CDAG,CAG,VAJ,VAJH,VTT,VAZ,VAA etc. stands for in case of relays and can anyone answer to decode this codes C,V,D,G,A,X,TT,J,JH etc

4 Answers   HNL,

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Why MS rod or flat are used in stead of GI rod or flat in switchyard earth mat ?

2 Answers  

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what is wore of PLC ?

1 Answers  

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What do you meant by slip power recovery?

1 Answers   PSEB,

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3ph line voltage 220v, how can run a 220v single ph motor or Light?

2 Answers  

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why ct output is in 5A?

3 Answers  

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what are the basic concept to design a out door Substation?

1 Answers  

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how indusrial diesel generator work

0 Answers   Johnson and Johnson,

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