why need of ac exietation in alternater.

Answers were Sorted based on User's Feedback



why need of ac exietation in alternater...

Answer / bkm

as we know whenever there is change in flux wmf will induce
so by this principle we can say that rotor is running at
synchronus speed and by exciting it we create north and
south pole permanantely on it now for two pole alternator
after each 180 degree rotation pole change their position
and thus change in flux occur which induce emf in stator

Is This Answer Correct ?    3 Yes 0 No

why need of ac exietation in alternater...

Answer / rabia

as the name symbolises altrnater means something which
alternates or make use of such technology. alternater or
transformer needs AC cycles that alternates with a certain
frequency to cause induction through electronagnetism in the
second coil.

Is This Answer Correct ?    0 Yes 3 No

Post New Answer

More Electrical Engineering Interview Questions

What is the limitation of kirchoffs law?

0 Answers  


what is the electricity

3 Answers  


The power supplied to a 50mH inductor from a 120V, 60Hz source will be

0 Answers  


What is the meaning of ST and HT in electrical transmission and what are thier range.

6 Answers  


while grounding the galvenized metallic structures is it necessary to remove the galvenization at the point of contact? Or other wise is the galvenizatio a good conductor?

1 Answers  






what is the KVA formula of a three phase transformer

5 Answers  


Why the Transformer Nuetral is grounded?

10 Answers   Infosys, Khartoum Refinery,


Explain the working of any one cutting machine

0 Answers   Mahatma Gandhi University,


When measuring the Insulation resistance of a motor winding (winding to earth) using a megger meter, Applied voltage(1000V) was automatically reduced to 500V. and the measured insulation resistance values are also very low (in Kohm range) Can anyone give me a reason???

3 Answers  


What is a roll of a adopter pannel in buscoupler pannel????

2 Answers  


10 hp motor ,7.5 kw ,960 rpm, full load current 15.5, delta connection so how much take current no load trial time. any formula please give..... second question :- what is different between brekar control wiring and motor starter control wiring

1 Answers   MSP,


we can conformed the vector group of the transformer. How?

0 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4452)
  • Electrical Engineering Interview Questions Electrical Engineering (16638)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)