Answer / tanvir

3 ph 3 wire system is using for motive power or balance
load and 3ph 4 wire system is using for lighting load and
unbalance load

Answer / vaijanath nirgude

3ph 34wire

Answer / dileep

3ph 4 wire is best suitable for un balaced loads & wher we can have single phase loads also.but it will require more volume of conductor than compared to 3 ph 3 w..

What are the differences between single phase and three phase?

0 Answers   ABB, Essar,

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What meant by XLPE cable

3 Answers  

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how to get electrical supervisour certificate in gujarat

0 Answers  

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if we going for high voltage usages what are the considering factors, why those factors are effected.... please give me an answer related motor factors like wnidnig, frame, temp etc

1 Answers   ABB,

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Two alternators say 1 & 2 are poised to parallel operation. But at the time of paralleing alternator 2 gets out of the system by tripping Earth fault relay. Please send me reply why this is happening?

2 Answers  

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What is primary and backup protection?

0 Answers  

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Why Delta Star Transformers are used for Lighting Loads.

6 Answers  

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Mention what are the different colors on wires indicates?

0 Answers  

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what is the problem occer in motor

5 Answers   IOCL,

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Why neutral shows voltage with earth ?

2 Answers   MRF,

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What type of pipe material G.I or M.S is used for sprinkler system?

2 Answers  

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What is Black-out and Brown-out situation in the context of voltage stability in power system?

1 Answers  

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