At which time Synchronous generator act as a Synchronous Condenser?

1 Answers  

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What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

0 Answers  

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how can findout cable fault Location only useing MEGGER

3 Answers  

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What is the working principle of ceiling fan?

6 Answers   Indian Navy,

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sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

0 Answers  

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what kind of motor is used for lifting applications

5 Answers  

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what is the use of megger? and types

11 Answers   TNEB Tamil Nadu Electricity Board,

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how to synchronize 4 nos. of diesel generator sets of different capacity (kva)?

7 Answers   Bhel,

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what is d meaning of inrush current of a trafo ? how u can calculate this ?

1 Answers   Jindal,

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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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Define conversion efficiency of a power amplifier.

0 Answers  

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we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.

2 Answers  

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