what is impedance of transformer?

7 Answers   Synergy, Vijai Electricals,

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What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

0 Answers   ABB, APL,

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how can we calculate that how much capacitor is needed for a system to increase the pf?

5 Answers  

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how to make parrallal ups

1 Answers  

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What is the basic principle of operation of alternators/dc generators?

0 Answers  

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Alternators are invariably star connected why?

4 Answers  

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why use phase displacement in transformer.and effect of phase displacement on transformer

0 Answers   IOCL, ONGC,

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What is the difference between earth and neutral

3 Answers  

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In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

0 Answers  

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What is the difference between acs 550 & acs 850

0 Answers   Madhucon,

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anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

0 Answers  

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Why we use less dia. fuse and conductors at H.T. side, although we use higher dia. cables on L.t. side?

4 Answers   RRB,

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