single phase for 230 then why three phase are 440 volt

4 Answers   ACIL,

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what is the change over switch ,switch disconnector ,bypass switch and switch disconnector fuse unit?

1 Answers  

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what is the difference between LT and HT power supply?

26 Answers   Center One Mall, Central University, JSW, Siemens, Suzlon,

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What is the formula for finding fault level of generator?

11 Answers  

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draw singleline diagram of star to delta and dol starters

0 Answers   JCP,

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what should be the BDV value Of 11/132kv power transformer

3 Answers  

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DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

0 Answers  

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Acually generator neutral is earthed,if suppose cable from neutral is brokened under theearth ,what will happen.

2 Answers   L&T,

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How to select power cable for machine

4 Answers  

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what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

0 Answers  

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We have 3 Gensets 1.500kva,2.380kva,3.250kva How can we connect in common busbar&we have variable load.

4 Answers  

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what is the condition for vector group of Dyn5

2 Answers  

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