Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1984-06-07
1987-02-24
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
323281, 363 49, 363 79, H02M 3315
Patent
active
046462201
ABSTRACT:
A power supply 10 providing a DC output voltage comprises a voltage input circuit 11, a charge buildup and transfer circuit 14, a switch including SCR3 for selectively interconnecting the input circuit 11 and the charge buildup and transfer circuit 14, a trigger circuit including a unijunction transistor gating circuit 16 for triggering the SCR3, and a sensing circuit 22 including a current reference 26 for sensing the current output to the load 38 and comparing the output to current reference 26 while providing a comparison signal to the trigger circuit 16 so as to modify the triggering of SCR3 and thus the interconnection of the voltage input circuit 11 and the current buildup and transfer circuit 14.
REFERENCES:
patent: 3197691 (1965-07-01), Gilbert
patent: 3307098 (1967-02-01), Elliott
patent: 3414798 (1968-12-01), Nielsen
patent: 3543130 (1970-11-01), Reijnders
patent: 3805142 (1974-04-01), Rando
patent: 4055791 (1977-10-01), Bland et al.
patent: 4069449 (1978-01-01), Farnsworth
patent: 4250541 (1981-02-01), Chang et al.
patent: 4323959 (1982-04-01), Check
patent: 4333133 (1982-06-01), Pernyeszi
patent: 4446560 (1984-05-01), Gabor
Roberts, "Stable Constant-Voltage Supply Uses Current Source to Establish Reference", Elect. Design 24, p. 176, 22 Nov. 76.
Wurzburg, "Floating Regulator gives 0.1% Regulation over 0-to-100-V-DC, 200 mA Range", Elect. Design 19, 13 Sep. 75.
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