System and method for power-efficient charging and discharging o

Details System and method for power-efficient charging and discharging o System and method for power-efficient charging and discharging o

1994-04-22

1995-12-05

Wong, Peter S.

Electric power conversion systems

Current conversion

With voltage multiplication means

307109, H02M 307

Patent

active

054735262

ABSTRACT:
A system and method for efficiently charging and discharging a capacitive load from a single voltage source. The system includes a first switch for selectively connecting the voltage source to the load and a second switch for selectively providing a short across the load as may be common in the art. A particularly novel aspect of the invention resides in the provision of plural capacitive elements and a switching mechanism for selectively connecting each of the capacitive elements to the load whereby the load is gradually charged or discharged. In the illustrative embodiment, the switching mechanism includes a set of switches for selectively connecting each of the capacitive elements to the capacitive load and a switch control mechanism for selectively activating the switches.

REFERENCES:
patent: 3603898 (1971-09-01), Dawson
patent: 5095223 (1992-03-01), Thomas
patent: 5339236 (1994-08-01), Tamagawa

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