why we are used D.c. voltage in L.T.side or controling side.we can use UPS also ,in place d.c. voltage

5 Answers   ABB,

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why threre are two parallel lines in transformer's symbol?

11 Answers   NTPC,

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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 is the make of breakers, transformers, generators? What are their capacities and ratings?

4 Answers   Bharat Bijlee, GHPPL, Tata Motors,

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What is working principle of washing machine?

9 Answers   IBPA, Samsung,

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after parallaing two generators current is shooting up in both the generators.for ex: load is 400 kw..after paralling and load sharing current in running gen is approx 900 amps and incoming is 750 amps which is too high when trying toshift the load current in incoming gen is coming more than 1300 amps and both getting tripped and making blackout..

3 Answers  

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What is kvar?

0 Answers  

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What is minimum phase system?

0 Answers  

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want happens when a dc is given to a commutator

2 Answers  

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Write the programming software name for LG, SIEMENS,Messung,AB

0 Answers  

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Write the force balance equation of ideal spring element.

0 Answers  

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WHY WE NEED AUTO TRANSFORMER,WHERE WE CAN USE?

5 Answers   L&T,

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