is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

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Are we do it in single transformer with dual primary as 11 KV and 33 KV and constant output as 415 Volts?.

1 Answers  

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whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions

1 Answers  

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how we can classify the circuit braker???????

1 Answers  

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why earthing is not required on transformer prymary winding side ???

13 Answers   Genpact,

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How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?

6 Answers   ABB,

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What are the different methodes for calculating the short circuit Current?

0 Answers   Equate,

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what is the difference between CT and CVT in EHV Sub Stations

4 Answers   Hofincons, Lanco, TATA,

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in slip ring motor if motor specification is given how we calculate its rotor resistance in starting

1 Answers  

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In which connection the voltage will be more , in star or delta connected motor?

3 Answers  

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Why is the diffrential protection in DG. What if the CT polarity is reversed while connecting for the same type of protection? How polarity can be made ok?

1 Answers  

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how many types of ACB breakers, describe briefly..?

0 Answers  

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