CR4 - The Engineer's Place for News and Discussion ®


Previous in Forum: Clarification on Trip/Non-Trip Bands as per IEC - Product Specific   Next in Forum: Impulse Withstand Voltage of LV Product
Close
Close
Close
3 comments
Associate

Join Date: Mar 2014
Location: Mumbai, India
Posts: 25

Optimum Supply Frequency

03/07/2017 4:46 AM

1. Why AC Waveforms (V & I) have frequency of 50 Hz in some countries and 60 Hz in some countries? What are advantages and disadvantages of 50Hz over 60Hz? And if lower frequency has more advantages, then why not 25Hz or if vice-versa, then why not 100Hz? How optimum point of frequency is decided? Thanks in Advance

Register to Reply
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.

Comments rated to be Good Answers:

These comments received enough positive ratings to make them "good answers".
2
Guru

Join Date: Apr 2010
Posts: 4983
Good Answers: 473
#1

Re: Optimum Supply Frequency

03/07/2017 10:07 AM

The biggest player sets the standard and everybody else falls in. In the early days, there were multiple frequencies used. This is a good explanation:

http://electrical-science.blogspot.com/2009/12/history-of-power-frequency.html

Register to Reply Good Answer (Score 2)
Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain, and now disconnecting as Little England and Wales (not too sure about Wales bit, either). Kettle's on.
Posts: 25778
Good Answers: 678
#2

Re: Optimum Supply Frequency

03/07/2017 11:38 AM

Aaaah, um, there is an article in Wikipedia on this topic...

Plus, this is a duplicate thread. There has been discussion in these columns before.

__________________
"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Register to Reply
Guru
United States - Member - New Member Engineering Fields - Power Engineering - New Member

Join Date: Sep 2006
Location: California, USA, where the Godless live next door to God.
Posts: 4313
Good Answers: 703
#3

Re: Optimum Supply Frequency

03/07/2017 8:00 PM

Many, many, MANY times before....

It always boils down to this: the difference is just because people are different. Between 50 or 60Hz, no advantages of one over the other without some countervailing disadvantage. As to higher frequencies, harder to make and more losses over long distances. Lower frequencies resulted in lighting flicker. 50 or 60 Hz was the compromise but done at opposite sides of the Atlantic in a time without instantaneous mass communications.

__________________
** All I every really wanted to be, was... A LUMBERJACK!.**
Register to Reply Off Topic (Score 5)
Register to Reply 3 comments
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.

Comments rated to be Good Answers:

These comments received enough positive ratings to make them "good answers".
Copy to Clipboard

Users who posted comments:

JRaef (1); PWSlack (1); Rixter (1)

Previous in Forum: Clarification on Trip/Non-Trip Bands as per IEC - Product Specific   Next in Forum: Impulse Withstand Voltage of LV Product

Advertisement