what are the particle used along with silica gel in transformer breether,explain their functions.

4 Answers   ME, Oil India,

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how the transformer stables out zone faults? Because we use non directional O/C relays .Is there any special considerations are taking into account to overtake this?

1 Answers  

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working principle of AC Servo Motor with its construction

0 Answers   TATA,

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How does an oscillator differ from an amplifier?

0 Answers  

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Why reverse relay used

2 Answers   cpgn,

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What will be the current rating of Main switch for 80 kVAR panel

1 Answers  

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state the working of discharge lamp?

0 Answers  

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what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

0 Answers   Escorts,

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In the case of petrochemical area AC drive & AC motor is used where the speed variation is required. Why they are not Using DC drive & DC motors in such areas?

1 Answers  

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how can the active power and reactive power of an alternator be controlled?

6 Answers  

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according to ohms law ,the voltage increases then current is what happened?

4 Answers   NTPC,

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State and define norton’s theorem?

0 Answers  

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