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why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply
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Answer Posted / u.vijay bhaskar reddy
for producing constant flux on the rotor
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what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?
What is meant by full pitched winding?
How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.
hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible
What is the difference between isolators and electrical circuit breakers?
What do you mean by phasors?
Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.
132/6.6ππ πππππππππππ πππππππ πππ πππ πππππ πππ πππππππππ. πΈ'ππ πππππππ πππππππππππ ππ 6.6ππ/415π πππ πΈ πππππππ πππππππ ππ ππππ πππππ πππ ππ ππ 13/6.ππ πππππππππππ?? πΈπ π½π.. ππππ π ππ’??
If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?
DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?
54 Comments Alok and Bhanu play the following min-max game. Given the expression N = 38 + X*(Y β Z) where X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable to substitute the value. Finally Alok proposes the value for the remaining variable. Assuming both play to their optimal strategies, the value of N at the end of the game would be?
Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?
Earth has zero potential then what would be the neutral potential ?
what is the AC Plant and how can do the work with parts and picture tell us 150 Tr
In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?
