You can modulate (electrically rotate) the field so mechanical relationship is alterable, thus frequency. Kirk
-----Original Message----- From: Steve Spence [mailto:[EMAIL PROTECTED] Sent: Tuesday, March 25, 2003 5:51 AM To: biofuel@yahoogroups.com Subject: Re: [biofuel] Electric generators sounds like a synchronous ac motor. never heard it called a rewritable. Steve Spence Subscribe to the Renewable Energy Newsletter & Discussion Boards. Read about Sustainable Technology: http://www.green-trust.org [EMAIL PROTECTED] ----- Original Message ----- From: "filip.ponsaerts" <[EMAIL PROTECTED]> To: <biofuel@yahoogroups.com> Sent: Tuesday, March 25, 2003 4:05 AM Subject: RE: [biofuel] Electric generators > To my understanding this is what's used in large windmills generating > electricity. > > Filip > > >Actually, there WAS an AC generator which generated a constant 60Hz output > >in spite of varying RPM input. It did this with a rewritable rotor. > > > >Curtis > > > >Get your free newsletter at > >http://www.ezinfocenter.com/3122155/NL > > > > > >----- Original Message ----- > >From: Steve Spence <[EMAIL PROTECTED]> > > > >in order to maintain 60 hz at multiple rpm's, you need to generate dc, and > >use an inverter to get ac. not many types of ac motors can be used for ac > >generators. asynchronous motors can be IIRC. dc permanent magnet motors are > >interchangeable. > > > > > > > > > > > -- > --- > Martin Klingensmith > http://nnytech.net/ > http://infoarchive.net/ > > > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Biofuels list archives: > http://archive.nnytech.net/ > > Please do NOT send Unsubscribe messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ Please do NOT send Unsubscribe messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.463 / Virus Database: 262 - Release Date: 3/17/2003 ------------------------ Yahoo! Groups Sponsor ---------------------~--> Make Money Online Auctions! Make $500.00 or We Will Give You Thirty Dollars for Trying! http://us.click.yahoo.com/yMx78A/fNtFAA/46VHAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ Please do NOT send Unsubscribe messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
