Answer / atif

400 / 5 = 80 is the multification factor

difference between slippring induction motor and Generator?

1 Answers  

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What will happen if 60 Hz rated transformer is connected to the supply of 50 Hz say 415 V (3-phase) step up to 3.3 kV...?? ?

2 Answers   Essar,

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What is inrush current?

0 Answers  

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What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

0 Answers  

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What is the output of 25 kva 11/.4 kv transformer in kw ? Plz generalized it...

3 Answers   NTPC,

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in three phase circuit neutral failure what happend in homes

4 Answers  

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The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

1 Answers   GATE,

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what parameters should we check to reduce the power bill

0 Answers  

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What is the clear distance between a MV panel(rear side) and wall.

3 Answers   L&T,

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A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.

0 Answers  

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What is differance between alternator and generator?

4 Answers   IOCL,

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why in an electrical lab a bulb connected to supply goes off slowly when the main supply is switched off?

2 Answers  

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