Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Patent
1977-02-01
1978-09-26
Shoop, William M.
Electric power conversion systems
Current conversion
With condition responsive means to control the output...
363 56, 363133, H02M 7537
Patent
active
RE0297887
ABSTRACT:
An electrical inverter circuit for converting d.c. electrical input into an a.c. electrical output involving the control of active switch elements in the primary of an output transformer circuit by, in part, providing a further controllable active element in circuit with the active element switches such that the primary winding current also flows therethrough. Synchronous control means are provided for synchronously controlling this further active element so as to increase its electrical impedance during at least a portion of each switching transition of the active element switch means so as to further aid and promote the rapid and efficient transitioning of the active element switches. Various alternative circuits are shown for this and for detecting the switch point as a function of primary transformer winding current and for further controlling the transition of the active switches in combination with the increased electrical impedance of the further controllable active element in circuit therewith.
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Anderson Thomas E.
Walden John P.
Cohen Joseph T.
Cutter Lawrence D.
General Electric Company
Shoop William M.
Snyder Marvin
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