Power supply apparatus having AC-DC converter

Details Power supply apparatus having AC-DC converter Power supply apparatus having AC-DC converter

1994-05-17

1996-05-14

Wong, Peter S.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

361 79, H02M 300, H02H 318

Patent

active

055173969

ABSTRACT:
A power supply apparatus having an AC-DC converter includes a transformer, an AC-DC converter, a power supply controller, a push switch, and a relay and a relay contact. The relay is connected to an AC power supply voltage input side of the primary coil of the transformer, turned on to apply the AC power supply voltage to the primary coil of the transformer when the push switch designates to start applying the DC power supply voltage to the load, and turned off to stop applying the AC power supply voltage to the primary coil of the transformer when the push switch designates to stop applying the DC power supply voltage to the load.

REFERENCES:
patent: 4722024 (1988-01-01), Fisenberg et al.
patent: 4803592 (1989-02-01), Ashley
patent: 5341279 (1994-08-01), Yamada
patent: 5349523 (1994-09-01), Inov et al.
patent: 5350997 (1994-09-01), Ghotbi et al.

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