Why in india freq. is 50HZ & in U.S.A. it is 60HZ?
Answers were Sorted based on User's Feedback
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 |
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 |
when turbine trips generator will becomes induction motor or synchronous motor?
PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com
What is the resistance to be connected for supplying the load of 20mV,1kohm from 20mV supply using rectifier.
WHy neutral to ground trips when neutral touches the ground
can transformer of different kvas be paralled
Why not instal the NGR in 11kv/433kv trasformer?
how to determine motor size for a fan application?
How do we calculate Blower drive Power (kw) If we have Volume m3 and Pressre (mmWC)
what is the power factor?please tell me uses.
what is dc system? how getting pulse from rectifier?
What is metering cubical? What is the use?
1)What will you do if main incomer VCB fail in your site ?