What is use of 3phase instead of single phase?

12 Answers   DCM, L&T,

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Hi Recently I got one formula that is Impedence of Xformer = Rated KVA/Root 3 * secondry voltage OF Xformer. Is it Right??????

2 Answers  

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what is phase voltage phase current line current and their usage? provide diagram

1 Answers  

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what is inrush curent.

5 Answers   BARC,

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how to determine Sq.mm size of finolex power cables.

0 Answers   Finolex,

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suppose a fan is running with phase and neutral. if its neural is touched to body. then fan get stopped. if this fan is connected to phase and ground supply..then why it runs?

1 Answers  

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Which one is easy to control AC or DC Machine?

2 Answers   BARC,

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whats relation b/w motor current & friqency

1 Answers  

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How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

0 Answers   ADS Spirits,

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LT, CC and LMU installed at both the outgoing circuits of 132 kv double ckt transmissio what its means ? and what are there use ?

1 Answers  

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what will happen if one of the phases from a 3-phase motor is disconnected?? stop/run at 2/3rd speed or run at same speed????

3 Answers  

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What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

0 Answers   Honeywell,

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