Electricity: motive power systems – Induction motor systems – With voltage source connected to motor secondary
Patent
1982-05-20
1984-07-10
Rubinson, G. Z.
Electricity: motive power systems
Induction motor systems
With voltage source connected to motor secondary
318705, 318737, H02P 534
Patent
active
044595301
ABSTRACT:
An electric rotating machine which is adapted to function as a motor or a generator without any major electrical or mechanical modifications. This machine has associated therewith, microprocessor controls. There is provided two balanced phase synchronous electrical rotating machines whose rotors are attached to a common axial. One of the two balanced phase electric rotating machines is electrically and mechanically designed to be a balanced phase synchronous power motor or power generator at the utility frequency while the other balanced phase electric rotating machine is electrically and mechanically designed for a higher frequency. Depending on the modulation type of signal, applied to the stator of the second machine, each of the electrical phase windings of the two rotors are either electrically wired together or electronically connected by a demodulator circuit. At any rotational speed of the common axial, the electrical and mechanical arrangement of this invention synchronizes the rotating magnetic fields of the rotor and stator of both machines. As a result, by controlling the phase, amplitude, and frequency of the modulation signal with the microprocessor controls, numerous motor and generator functions can be achieved.
REFERENCES:
patent: 3017553 (1962-01-01), Homan
patent: 3621350 (1971-11-01), Masterman
patent: 3859578 (1975-01-01), Botvinnik et al.
"New Micro-Controls for AC Drives," Coughlin, Vince; Design Engineering; Feb., 1982, pp. 58-61.
"Love AC-T-230, A New Low-Cost Variable Speed Drive for AC Motors," Love AC Advertisement, pp. 1-6.
"AC Motor Drives," Machine Design, May 14, 1981; pp. 98-99.
"Linear and Switching ICs Control Motors Efficiently," Electronic Design; Apr. 29, 1981; pp. 197-203.
Keane Patrick
Rubinson G. Z.
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