Multistand AC/DC converter with baseline crossing detection

Details Multistand AC/DC converter with baseline crossing detection Multistand AC/DC converter with baseline crossing detection

1995-02-03

1997-08-05

Wong, Peter S.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 61, 363142, H02M 706

Patent

active

056548842

ABSTRACT:
The current invention provides circuitry for use in an integrated circuit controlled voltage doubler/bridge circuit such that during any period wherein a lack of AC supply voltage is detected by the circuitry and following a period of AC input voltage within a lower defined range of values, repeated triac firing pulses are provided such that the AC supply will be rectified and doubled as soon as such a supply returns, whether the supply returns with the same or opposite polarity to that which it had, just before being interrupted.

REFERENCES:
patent: 4665323 (1987-05-01), Russell et al.
patent: 4783729 (1988-11-01), Konopka
patent: 4805083 (1989-02-01), Konopka
patent: 4837672 (1989-06-01), Donze
patent: 4845607 (1989-07-01), Nakao et al.
patent: 4864488 (1989-09-01), Bulmahn et al.
patent: 4933832 (1990-06-01), Schneider et al.
patent: 5097402 (1992-03-01), Kriz et al.
patent: 5162984 (1992-11-01), Castagnet et al.
patent: 5287263 (1994-02-01), Shilo

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