30 kva ups may kitne output voltage hote h

1 Answers   ME,

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I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....

0 Answers  

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WHAT IS OLTC OF TRANSFORMER? WHERE IS ITS USED EITHER ON PRIMARY OR SECONDARY SIDE OF TRANSFORMER?

2 Answers  

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How the soft starter control the starting current in three phase squirrel cage AC Motor?

1 Answers  

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Please explain how to do 'tan-delta test' on AC generator? and where i get clear and brief detail, give any web page address.

1 Answers  

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we touch other end of the tester supply, why do not get shock?

7 Answers   L&T,

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arrange to send solved question and answer its easy to study and understand the thing, because of Exam is to be conducted shortly

1 Answers  

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what is difference between fuse and circuit breaker?

4 Answers  

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explain all the classes with example

0 Answers  

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RESISTONS R1 AND R2 in parallel = Total R.? 1-R=R1+R2 2-R=1/R1 + 1/R2 3-1/R + R1+R2 R=R1R2/R1+R2 select one

2 Answers   BSNL, PGVCL Paschim Gujarat Vij Company Limited, TCS, Wartsila,

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what is need of air gap in expansion section in busbar?

3 Answers  

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Rules and standards of electrical control wiring ?

0 Answers  

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