1.where in India the maximum transmission voltage is operated? 2.what the methods are used to cool down the transformer?give the specific ratings of the transformer & specific cooling process. 3.how zero & negative sequence reactances are formed in a rotating machine when fault occur in the system?

2 Answers   IES,

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derive the formula of amp hours is calculated for 12v battery.where no. of plates is given

1 Answers  

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How is the gain affected by the introduction of feedback in a control system.

0 Answers   GE,

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why Line voltage =1.732XPhase voltage what mean by 1.732

4 Answers   IBM, NCC,

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Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

2 Answers  

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what does the regenerative braking mean?and how it used for Dc motor? thanks.

2 Answers  

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what is corona effect

3 Answers  

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give information about REM5453 & SPAJ Relays

1 Answers  

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Explain the grounding concept adapted in aircrafts?

2 Answers  

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WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

0 Answers  

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What is plugging as applied to an induction motor?

3 Answers  

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