Electric power conversion systems – Current conversion – With voltage multiplication means
Patent
1987-06-15
1989-04-11
Salce, Patrick R.
Electric power conversion systems
Current conversion
With voltage multiplication means
363124, 328262, H02M 318
Patent
active
048211656
ABSTRACT:
A DC power supply for a traveling wave tube having cathode, collector and helix electrodes responds to a DC power source and a high frequency switching source. A switch controlled by the switching source is opened and closed at a fixed frequency and variable duty cycle determined by the helix-cathode voltage. A flyback choke is connected to the switch and DC power supply so current flows between the power source via the choke to the switch and a series resonant circuit while the switch is closed. First and second capacitors in separate branch circuits of the resonant circuit are respectively connected to first and second AC to DC converter and voltage multiplier stacks; each multiplier in the stacks includes a pair of branches with oppositely poled plural signal switching diodes and a capacitor. The cathode and helix are respectively connected to output terminals of the first and second stacks, while the collector is connected to a terminal between the first and second stacks. The resonant circuit is connected with the switch, flyback choke and voltage multipliers so that while the switch is closed a half-wave rectified current waveform at the resonant circuit resonant frequency flows in the resonant circuit and a ramping current having a first polarity direction flows in the choke. A ramping current having a second plurality direction flows in the choke and resonant circuit while the switch is open.
REFERENCES:
patent: 3553459 (1971-01-01), Siedband et al.
patent: 4034280 (1977-07-01), Cronin et al.
patent: 4092712 (1978-05-01), Harrigill, Jr. et al.
patent: 4217633 (1980-08-01), Evans, Jr.
patent: 4691271 (1987-09-01), Rosenbaum et al.
VMI Voltage Multipliers, Inc., 8 page brochure.
TK 7868 P6 H46, p. 84.
TK 7868 P8 1328, pp. 8 and apparently 9.
TK 7872 R35 S34, p. 192.
TK 3111 A3, (3 unknown pages).
TK 3401-K83, (3 unknown pages).
Cole Stanley Z.
Fisher Gerald M.
Hoff Marc S.
Salce Patrick R.
Sgarbossa Peter J.
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