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Answer Posted / arumugam.s
2 pahse supply is used in Furnace and Contactors which is
used in Star delta starter panel (Contactors model 3TF 47 7)
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True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)
Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?
What is meant by derating factor?
what is the use of expulsition protective gap in 11Kv line.
What are the basic component of a cro?
armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?
I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.
What is the simplest formula to calculate the rotor diameter of a synchronous generator?
hi frenz,its aswathy.i hve aplied for the hpcl test on feb,pls send the test patern & the placement papers as soon as possible. mail-id :kjaswathy@gmail.com
how to determine Sq.mm size of finolex power cables.
What is a differential amplifier? Also, explain cmrr.
Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss
sir, iam a electrical engg graduate and i want to go in automation sector and for this i have decided to do industrial training for this,plz suggest me some good institute for the same in delhi,ncr. my degree percentage is 58%, can i get job after doing training, plz help....
What is the difference between electronic regulator and ordinary rheostat regulator for fans?
What is the function of attenuator in cro?
