Inverter device for stable, high power-factor input current supp

Details Inverter device for stable, high power-factor input current supp Inverter device for stable, high power-factor input current supp

1991-11-26

1993-12-28

Sterrett, J. L.

Electric power conversion systems

Current conversion

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

363 40, 363124, 363132, H02M 5458

Patent

active

052745406

ABSTRACT:
An inverter device for supplying a stable, high power-factor input current while restraining higher harmonics to be low is provided by a simple circuit structure in which a pulsating DC voltage supplied through a power circuit is provided to a smoothing condenser, a direct current is provided from the smoothing condenser to an inverter circuit section, and an input current path is formed from the power circuit through an impedance element to a switching element of the inverter circuit section and to part of an oscillation circuit.

REFERENCES:
patent: 4499533 (1985-02-01), Okamoto
patent: 4511823 (1985-04-01), Eaton et al.
patent: 4564987 (1906-01-01), Okamoto et al.
patent: 4706180 (1987-11-01), Wills
patent: 4933831 (1990-06-01), Takahashi et al.
patent: 5045989 (1991-09-01), Higaki et al.
patent: 5063490 (1991-11-01), Maehara et al.

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