electro-Physics: 17.3409 volts

From: Paul Koning <pkoning_at_equallogic.com>
Date: Mon Dec 13 08:39:38 2004

>>>>> "Stan" == Stan Barr <stanb_at_dial.pipex.com> writes:

 Stan> Hi, ben franchuk said:

>> Joe R. wrote: > I think you have it backward. The motor speeds are
>> the results of the > line frequency not vice versa.
>>
>> But you generate line frequency with a rotating machine, thus the
>> speed of the generator is your limiting factor. Kind of a chicken
>> and egg problem almost. Ben.
>>
>>
 Stan> It also depends on the number of poles your motor/generator
 Stan> has. Other frequencies were tried in the early days - 100Hz
 Stan> for example.

 Stan> (The Anderson radio transmitter at Grimeton, Sweden generates
 Stan> 17.2KHz. It's a pruely mechanical transmitter using a big
 Stan> generator.)

That's "Alexanderson". There were a bunch of those in the early days
-- it's a nice way to generate RF at high power without using
still-immature vacuum tubes.

               paul
Received on Mon Dec 13 2004 - 08:39:38 GMT