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Re: Interurban electric power questions
Author: Graham Buxton
Date: 04-15-2015 - 18:41

Your high school physics teacher Wrote:
-------------------------------------------------------
> 25 hz is half that, which means that light bulbs on 25 hz would flash
> on and of 25 times a second, a rate that would be VERY noticeable,
> and drive people crazy.

A 25 hz electric light might not be be 'perfect' but when the only alternative is candles or oil lamps, a 25 Hz electric lamp is a marvelous innovation.

Perhaps you should read more about the Niagra Falls Power Company 25 Hz system:

[en.wikipedia.org]

Do you really think the generating plant didn't use its own power for lighting?

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Subject Written By Date/Time (PST)
  Interurban electric power questions Richard 04-15-2015 - 14:49
  Re: Interurban electric power questions Graham Buxton 04-15-2015 - 15:04
  Re: Interurban electric power questions Your high school physics teacher 04-15-2015 - 18:18
  Re: Interurban electric power questions Graham Buxton 04-15-2015 - 18:41
  Re: Interurban electric power questions Ready Kilowatt 04-15-2015 - 18:57
  Re: Interurban electric power questions Bill Maltby 04-15-2015 - 15:28
  Re: Interurban electric power questions Kill A Watt 04-15-2015 - 18:00
  Re: Interurban electric power questions Shortline Sammie 04-15-2015 - 20:11
  Re: Interurban electric power questions George Andrews 04-15-2015 - 20:35
  Re: Interurban electric power questions mook 04-15-2015 - 21:27
  Re: Interurban electric power questions Edward 04-15-2015 - 20:49
  Re: Interurban electric power questions Ken Shattock (KRK) 04-15-2015 - 21:15
  Re: Interurban electric power questions Dr Zarkoff 04-15-2015 - 23:25
  MILW electrification Butler 04-16-2015 - 07:17
  Re: MILW electrification fkrock 04-16-2015 - 10:01
  Re: MILW electrification Max Wyss 04-16-2015 - 10:41
  SF Muni and light rail mook 04-16-2015 - 15:09
  Re: SF Muni and light rail Max Wyss 04-16-2015 - 15:44
  Re: SF Muni and light rail mook 04-16-2015 - 16:13
  Re: SF Muni and light rail Max Wyss 04-16-2015 - 22:40
  Re: SF Muni and light rail Dr Zarkoff 04-16-2015 - 22:24
  Re: MILW electrification George Andrews 04-16-2015 - 19:27
  Voltage illustration - SN mook 04-16-2015 - 08:58
  Re: Voltage illustration - SN fkrock 04-16-2015 - 10:10
  Re: Voltage illustration - SN Al Stangenberger 04-16-2015 - 11:55
  Re: Voltage illustration - SN Dr Zarkoff 04-16-2015 - 22:41


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