Why in india freq. is 50HZ & in U.S.A. it is 60HZ?

Answers were Sorted based on User's Feedback



Why in india freq. is 50HZ & in U.S.A. it is 60HZ?..

Answer / sri244

Yes India freq. is 50Hz,because of our started electricity in 1902 in SIVASAMUDRAM from Karnataka.That is 4.5 mega watts. so
on that time we are choosing 50 cycles per second.But in u.s.a. it is 60HZ there is small power losses occur.NOw in India we change in 50HZ but it is not possible. So that's way we are using "power factor improved techniques".So this technique used to minimise power lossess.

Is This Answer Correct ?    11 Yes 5 No

Why in india freq. is 50HZ & in U.S.A. it is 60HZ?..

Answer / m.kumaran

Normally the formula for speed is N=120f/P
N=Speed in RPM
f=Frequency
P=No of poles
Example
f=50Hz
P=2
so N=3000 RPM.but we use 4 pole machine we get 1500 RPM
The indian machines are manufactured only 2&4 poles only so
we get 50Hz frequency. but most of indian power generating
stations are follow this technique. but we want to change
this method total methods of generating station will de
changed.

Is This Answer Correct ?    4 Yes 5 No

Post New Answer

More Electrical Engineering Interview Questions

when turbine trips generator will becomes induction motor or synchronous motor?

4 Answers   JSW,


PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com

0 Answers  


What is the resistance to be connected for supplying the load of 20mV,1kohm from 20mV supply using rectifier.

1 Answers   Anna University,


WHy neutral to ground trips when neutral touches the ground

1 Answers  


can transformer of different kvas be paralled

2 Answers  






Why not instal the NGR in 11kv/433kv trasformer?

3 Answers  


how to determine motor size for a fan application?

0 Answers   EDC,


How do we calculate Blower drive Power (kw) If we have Volume m3 and Pressre (mmWC)

1 Answers  


what is the power factor?please tell me uses.

5 Answers   NTPC,


what is dc system? how getting pulse from rectifier?

1 Answers   ETA,


What is metering cubical? What is the use?

2 Answers   HSL,


1)What will you do if main incomer VCB fail in your site ?

7 Answers   Honeywell,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5084)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16631)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1094)
  • 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)