Answer / ahamay

AC current is generated by Rotating a coil in the path of magnetic flux. Any circular motion can be expressed in trigonometric values. Form factor depends on the sine of angle and always constitute 1.11 ((Imax X 2) / 3.14)

Answer / pradeep

The rating of the generators are increased above 33kv.So the rotor size increased.This rotor does not rotating easily

why measure the gravity in battery?

2 Answers  

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How vaccum is formed to create a vaccum interrupter or anything related with vaccum?

6 Answers  

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what is the contact resistance of vacume circuit breaker??

1 Answers  

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Why tripping not occur when the transmission breaks? Doesn't we provide earthfault protection for it?

1 Answers  

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how the specific fuel consumption of 320 kva deisel genarator set (explain with formulas please)?

2 Answers   RRB,

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What is the effect of using an underrated size cable to supply electrical power to a 3 phase ac electrical motor? What is the effect of using an overrated size cable for the same motor?

1 Answers  

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What is the accepted limit to increase the choosen transformer capacity over the load and why ?

2 Answers   Asec,

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The objective of connecting a resistance and capacitance across gate circuit is to protect the SCR against

2 Answers  

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HOW TO CALCULATE THE REGULATION OF 100 AND 25 KVA TRANSFORMER

0 Answers   AITM,

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what is the power factor of an inductive load ? (i) Zero (ii) Lagging (iii) Leading (iv) Unity

5 Answers  

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what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

0 Answers  

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DC Motors applications used in Lift/Elevators

8 Answers   IOCL, SCS, Usha Martin,

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