Answer / k.prakashchandra

In case of power failure the DC power of battery is
converted to AC ,hence 1 phase output is possible

What is the use of IGBT in UPS & its working??????????

5 Answers   Reliance,

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A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

9 Answers   IBM,

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EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)

1 Answers  

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If we say that an cable of size 3.5X 50 mm sq. can take current upto 140 amps,is it the current of single core of the cable or of all the cores jointly.

3 Answers  

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what is the purpose of using filters in a protective relaying scheme?

0 Answers  

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what happens if DC earthing and AC earthings are shorted?

1 Answers  

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i want wipro vlsi placement pattern please send me

0 Answers  

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can we charge 3 ph power transformer delta-star wound with neutral grounded 6.6kV/415V from secondary side(415V) but with primary(6.6kV) open by dg,what are the disadvantages or losses.

1 Answers  

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if a 3 point starter is not available, how can a dc motor be started?

3 Answers   Accenture, BIT, Techno Solutions,

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Graphs of measuring power and speed on dc motor

0 Answers  

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Why dont we get shock while testing for voltage with a line tester? How the bulb inside the tester glows while testing with tester coz we are totaly isolated from earth or we are not giving close path for the current to flow?

3 Answers  

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1.what type of wave is produced from i.online ups ii.offline ups iii.inverter.why don't we use inverter instant of offline ups for computer,what's the reason?

2 Answers  

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