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Article #4930Re: History of AC vs DC Power >>THE TRUTH!<< *=*
From: Paul Dietz
Date: Sat, 14 Nov 1992 03:15
Date: Sat, 14 Nov 1992 03:15
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In article <Qf10GGi00WBOQ4orMH@andrew.cmu.edu> Kevin William Ryan <kr0u+@andrew.cmu.edu> writes: > The best way to do the AC/DC conversion that I know of is paired >motor/generator sets, but these are considerably clunkier than >transformers. Higher voltages are de rigeur for long transmission, but >nasty for plugging in the toaster, so the conversion is important. No, motor generators are mostly obsolete. It's done with power electronics these days (banks of thyristors). Paul F. Dietz dietz@cs.rochester.edu
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<1992Nov14.031550.3376@cs.rochester.edu>Path:
arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!sgiblab!swrinde!emory!wupost!gumby!destroyer!cs.ubc.ca!uw-beaver!cornell!rochester!dietzReferences:
<1992Nov11.154425.8399@speedy.aero.org> <1RJ6TB4w165w@iowegia.uucp> <Qf10GGi00WBOQ4orMH@andrew.cmu.edu>Show Full Headers
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Newsgroups: sci.physics Path: arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!sgiblab!swrinde!emory!wupost!gumby!destroyer!cs.ubc.ca!uw-beaver!cornell!rochester!dietz From: dietz@cs.rochester.edu (Paul Dietz) Subject: Re: History of AC vs DC Power >>THE TRUTH!<< *=* Message-ID: <1992Nov14.031550.3376@cs.rochester.edu> Organization: Computer Science Department University of Rochester References: <1992Nov11.154425.8399@speedy.aero.org> <1RJ6TB4w165w@iowegia.uucp> <Qf10GGi00WBOQ4orMH@andrew.cmu.edu> Date: Sat, 14 Nov 1992 03:15:50 GMT Lines: 13