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 is vfd?

2 Answers  

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What do you mean by S.F.U. unit? application of it.

16 Answers   Indo Asian,

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What is an Isolation Xformer? What is the use of it?

2 Answers  

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how to combine two linear transformers...............

1 Answers  

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How to calculate the electrical load for a standard telecom BTS shelter and capacity of DG set required to cater to this load?

3 Answers   Bhel, INDUS, Indus Towers,

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what voltage to be select in megger for insulation resistance testing to L.V , H.T cables,motors and transfomer?and ohms valve should be giga ohms only or what?

1 Answers   Deevya Shakti Paper Mills,

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How to calculate flow of water delivered by pump when pressure & size of pipe line is given

0 Answers   Knight Frank,

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On what principle electric motor works?

0 Answers  

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can we identify the direction of power flow in transmission line by after only looking the tower

7 Answers   TNEB Tamil Nadu Electricity Board,

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What are the types of lighning arrestor protection system? how to choose that according to load?

2 Answers   SPL,

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What is the out put of a CT? How the ratio is decided ?

1 Answers  

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differnce between single acting and double acting solenoid valves

0 Answers  

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