DC-link ripple reduction circuit

Details DC-link ripple reduction circuit DC-link ripple reduction circuit

1989-12-19

1991-05-07

Stephan, Steven L.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 46, 363 39, H02M 114

Patent

active

050141775

ABSTRACT:
A ripple reduction circuit includes a controllable switch, an impedance coupled to one of a pair of main current path electrodes of the controllable switch whereby the impedance and the switch are coupled between first and second DC conductors and gating circuitry coupled between one of the conductors and a control electrode of the controllable switch for closing the switch when AC ripple power is carried by the conductors whereby at least a portion of the AC ripple power is removed from the conductors and delivered to the impedance.

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patent: 4685046 (1987-08-01), Sanders
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