Voltage control in pulsed system by predict-ahead control

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

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323285, 323288, 323292, 363124, G05F 146

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active

053472098

ABSTRACT:
A method and apparatus for predict-ahead pulse-to-pulse voltage control in a pulsed power supply system is disclosed. A DC power supply network is coupled to a resonant charging network via a first switch. The resonant charging network is coupled at a node to a storage capacitor. An output load is coupled to the storage capacitor via a second switch. A de-Q-ing network is coupled to the resonant charging network via a third switch. The trigger for the third switch is a derived function of the initial voltage of the power supply network, the initial voltage of the storage capacitor, and the present voltage of the storage capacitor. A first trigger closes the first switch and charges the capacitor. The third trigger is asserted according to the derived function to close the third switch. When the third switch is closed, the first switch opens and voltage on the node is regulated. The second trigger may be thereafter asserted to discharge the capacitor into the output load.

REFERENCES:
patent: 3675116 (1972-07-01), Israel
patent: 4405889 (1983-09-01), Overstreet et al.
patent: 4803378 (1989-02-01), Richardson
patent: 5184085 (1993-02-01), Nakajima
Newton et al., "Timing and Voltage Control of Magnetic Modulators on ETA II"; Jun. 1989; IEEE Power Conf.; pp. 175-177.

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