DC link inverter

Details DC link inverter DC link inverter

1995-05-17

1997-01-07

Nguyen, Matthew V.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363132, H02M 744

Patent

active

055923712

ABSTRACT:
A DC Link for use with a multi-phase DC to AC converter provides soft-switch opportunities to the main inverter devices only when such opportunities are required. A quasi-resonant rail swings from source to ground potential either with or without the assistance of an auxiliary switch. The quasi-resonant rail swings from ground to source potential with the assistance of an auxiliary switch. Low switch stresses are characteristic in both the main inverter switch devices and the DC link switch devices. Main power is carried predominantly through a DC link switch thereby minimizing power handling requirements of DC link reactive components.

REFERENCES:
patent: 4730242 (1988-03-01), Divan
patent: 4833584 (1989-05-01), Divan
patent: 4864483 (1989-09-01), Divan
patent: 4965709 (1990-10-01), Ngo
patent: 5055992 (1991-10-01), Cook
patent: 5111374 (1992-05-01), Lai et al.
patent: 5155675 (1992-10-01), Maruyama et al.
patent: 5172309 (1992-12-01), Dedoncker et al.
patent: 5317248 (1994-05-01), Utley et al.
patent: 5361196 (1994-11-01), Tanamachi et al.
D. M. Divan, "The Resonant DC Link Converter--A New Concept in Static Power Conversion", IEEE 1986, pp. 648-656.
R. W. DeDoncker, J? P. Lyons, "The Auxiliary Resonant Commutated Pole Converter" IEEE 1990 pp. 1228-1235.
R. W. DeDoncker, J. P. Lyons, "The Auxiliary Quasi-Resonant DC link Inverter" IEEE 1991 pp. 248-253.

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