A.c. to d.c. converter

Details A.c. to d.c. converter A.c. to d.c. converter

1990-05-21

1991-10-08

Wong, Peter S.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 89, 307261, H02M 7217

Patent

active

050559940

ABSTRACT:
An a.c. to low voltage d.c. converter includes a pair of input voltage supply lines (Vin,OV) and a semiconductor switch element (T1) and a capacitor (C1) connected in series between the supply lines. An output (Vo) for d.c. voltage is provided across the capacitor (C1). A sensing circuit (10) is responsive to the input voltage and is arranged to trigger the switching element (T1) to conduct only during a portion of the a.c. voltage below a predetermined voltage.

REFERENCES:
patent: 4347561 (1982-08-01), McLellan
patent: 4685046 (1987-08-01), Sanders
patent: 4811191 (1989-03-01), Miller

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