What type of isolation transformer used in UPS's?? It's Star-Delata Or Delata-Star????Why it is used????

6 Answers   Emerson,

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Slow acting fuses are most often used for which application a) Lighting circuit b) heating circuit c) Motor D) Radar circuit

1 Answers  

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What is the problem of internal failure in ship engine telegraph system norcontrol?

0 Answers   SAR,

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standard earthing rating for power line..

0 Answers  

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how rating of transformer is selected for any new plant/what kind of load is cosidered/what kind of fadtors are considered/ pz give standard procedure

2 Answers  

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work of choke in florocent tube circuit ?

0 Answers   Bhel,

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why can't we increase the voltage by increasing the field voltage in order to get higher voltage.so that we can eliminate step up transformer

4 Answers   Bhel,

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what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks

0 Answers  

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what is the principle of generator , induction motor,d.c motor

1 Answers  

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what is the disadvantage of leading power factor...why can't we use it (pf=0) for a long period of time?

10 Answers   Appco, snsce,

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Totally how much power will be consumed in 1 hour cotinuous running of electric train engine?

1 Answers   L&T,

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How to checked frequency drive output voltages?

0 Answers  

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