Electric power conversion systems – Current conversion – Using semiconductor-type converter
Patent
1992-09-02
1997-10-21
Dougherty, Thomas M.
Electric power conversion systems
Current conversion
Using semiconductor-type converter
H02M 700
Patent
active
056803010
ABSTRACT:
A series/parallel resonant converter includes a resonant control circuit 1 that outputs a pair of alternately high gate drive signals G.sub.1, G.sub.2 ; switches in the form of isolated gate bipolar transistors (IGBTs) Q.sub.1, Q.sub.2 ; diodes D.sub.1, D.sub.2 ; a pair of resonant capacitors C.sub.R ; a series resonant inductor L.sub.RS ; a load 2; a zero current detector 4; a bus 6, 6'; and a parallel resonant inductor L.sub.RP in parallel with the load. The input line current and voltage are converted into an alternating current I.sub.LOAD and voltage V.sub.LOAD for driving the load 2. The load 2 may include a transformer T.sub.1, half bridge rectifier, capacitor, and PWM inverter.
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Oughton, Jr. George W.
Widener Steven
Dougherty Thomas M.
Exide Electronics Corporation
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