Electric power conversion systems – Current conversion – With starting arrangement
Patent
1980-05-08
1982-03-30
Shoop, William M.
Electric power conversion systems
Current conversion
With starting arrangement
363 22, 363133, H02M 3335
Patent
active
043227880
ABSTRACT:
A control circuit for an inverter includes a DC voltage source having first and second terminals, an input transformer having a primary winding, a pair of secondary windings and a magnetic core, an output transformer having a primary winding, a secondary winding and a feedback winding, first and second transistors each having a control electrode, the main current paths of which are connected, through the primary winding of the output transformer, between the first and second terminals of the DC voltage source and the control electrodes of which are connected to the pair of secondary windings of the input transformer, coupling circuit for connecting the primary winding of the input transformer to the feedback winding of the output transformer, a starting circuit for putting one of the first and second transistors in its conductive state when the DC voltage source is operated, and a control circuit including at least a shorting winding provided in connection with the magnetic core of the input transformer so as to cut off the first and second transistors during OFF operation of the DC voltage source.
REFERENCES:
patent: 3408553 (1968-10-01), Bishop
patent: 3660749 (1972-05-01), Kadri
patent: 4012683 (1977-03-01), Ferro et al.
patent: 4047089 (1977-09-01), Suzuki et al.
Shoop William M.
Sony Corporation
Wong Peter S.
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