Browsing by Subject "H02M 5/45 (20130101)"
Now showing items 1-2 of 2
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Apparatus for Providing Ac Electrical Energy at a Preselected Frequency
(U.S. Patent and Trademark Office, 1972-05-16)A method and apparatus for providing AC electrical energy at a preselected frequency including a driven AC generator having an externally excitable field, means connected to the generator field for exciting the field at ... -
Field Modulated Alternator System and Control Therefor
(U.S. Patent and Trademark Office, 1973-04-10)A polyphase alternator of basic frequency F.sub.2 with a field circuit excited with alternating current of frequency F.sub.1, and including full wave rectifier means across each phase of the alternator, all connected in ...