Electricity: motive power systems – Switched reluctance motor commutation control
Patent
1983-04-13
1985-01-15
Goldberg, E. A.
Electricity: motive power systems
Switched reluctance motor commutation control
318244, H02P 516
Patent
active
044940548
ABSTRACT:
A power control that delivers electrical power to a A.C. motor at a frequency which is controlled by the motor speed itself without the need for any separate speed sensing circuit. The power control accomplished this by allowing a small second current to flow from motor terminals of higher electrical potential to motor terminals of lower electrical potential, and then to provide means for the second current to cause current to flow from the power source through the motor terminals in the direction opposed to the motor terminal potentials thereby supplying electrical power to the motor.
REFERENCES:
patent: 3560838 (1971-02-01), Weixelman
patent: 3588650 (1971-06-01), Bevis
patent: 4238717 (1980-12-01), Knight et al.
patent: 4446406 (1984-05-01), Uzuka
patent: 4459519 (1984-07-01), Erdman
An Electronically Commutated Brushless D.C. Motor Applied to a Total Artificial Heart by J. L. Orth, M. S. Isaacson, K. R. Carr, S. D. Nielsen, and R. K. Jarvik.
Back EMF Controls dc Motor Speed, Electronics in Design, by R. F. Stengel, Western Editor.
Electronics/Feb. 1, 1973, p. 100 by Don DeKold.
Evans A.
Goldberg E. A.
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