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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what is the importance of creepage distance in disc insulators

1 Answers  

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how capacitor active and reactive.

1 Answers   Birla,

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HOW TO CALCULATE CT AND VT RATIO IN PRTECTION AND METERING?

1 Answers   College School Exams Tests, L&T,

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Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

0 Answers   GE,

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A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

0 Answers  

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what will be the magnetizing current in the testing of 27 MVA transformer?

1 Answers  

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why so voltage is same in parallel circuits and current is same in series ckt?

3 Answers  

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Why Transistors are not used as switching devices?

15 Answers  

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why voltages are added when batteries are connected in series?

4 Answers  

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What is master trip relay? How does it work?

1 Answers  

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Can motor act as generator (OR) vice versa? explain how does it do please post the answer technically

11 Answers   GM General Motors,

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