Line-commutated and self-commutated combined power conversion sy

Details Line-commutated and self-commutated combined power conversion sy Line-commutated and self-commutated combined power conversion sy

1992-11-04

1994-12-06

Sterrett, Jeffrey L.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 54, 363 58, 323207, H02H 712

Patent

active

053716647

ABSTRACT:
The power conversion system of this invention comprises line-commutated power converting means in which a line-commutated power conversion circuit that performs line-commutated commutation and a coupling diode are coupled to form a DC circuit and for converting DC power into AC power or AC power into DC power. Further, the system comprises self-commutated power converting means, in which a self-commutated power conversion circuit is coupled to the coupling diode in order to form a DC circuit and for reducing reactive power, or the reactive power and harmonics generated by the line-commutated converting means. Accordingly, their respective strengths can be made use of and their mutual weaknesses can complement each other.

REFERENCES:
patent: 3609508 (1971-09-01), Gusakovsky et al.
patent: 4346421 (1982-08-01), Gurr
patent: 4379325 (1983-04-01), Krampe et al.
patent: 4721897 (1988-01-01), Matsuse et al.

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