Voltage-suppressed voltage source with partial resonance circuit

Details Voltage-suppressed voltage source with partial resonance circuit Voltage-suppressed voltage source with partial resonance circuit

1997-05-28

1998-10-20

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307125, 323235, 363 25, 363 26, H02M 3335

Patent

active

058251030

ABSTRACT:
A voltage-suppressed voltage source which uses switching devices to maintain a high performance, stable DC voltage by suppressing unstable DC voltages and providing a stable supply of power to a load. The voltage source has a partial resonance circuit for reducing power consumed while a switching device in the voltage source turns `on` and `off`.
When a first switching device is off, unsuppressed DC voltages are stored in a resonance capacitor. When the first switching device is turned on, a resonance current flows from the resonance capacitor through a resonance coil and a second switching device just before the first switching device is turned on. This resonance current also induces a suppression effect to the output voltage, and allows the voltage suppressing portion to pass a current in the same direction as when the first switching device is on.

REFERENCES:
patent: 4371917 (1983-02-01), Bator
patent: 4893227 (1990-01-01), Gallios et al.
patent: 5180964 (1993-01-01), Ewing
patent: 5615093 (1997-03-01), Nalbant

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