Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Patent
1997-08-29
1999-06-08
Wong, Peter S.
Electric power conversion systems
Current conversion
Including an a.c.-d.c.-a.c. converter
363 51, H02J 336
Patent
active
059108886
ABSTRACT:
A plant for transmitting electric power between at least two alternating voltage networks which are each connected through a station to a direct voltage network for high voltage direct current. The stations transmit power between the direct voltage network and the respective alternating voltage networks. At least one VSC converter is in each station to convert direct voltage to alternating voltage and the converse. A cable with an insulating layer of polymer base surrounding a conductor forms the direct voltage network connecting the stations.
REFERENCES:
patent: 4153752 (1979-05-01), MacKenzie, Jr. et al.
patent: 4941079 (1990-07-01), Ooi
patent: 5010467 (1991-04-01), Tokiwa et al.
patent: 5535113 (1996-07-01), Konishi
patent: 5644482 (1997-07-01), Asplund
Anders Lindberg, PWM and control of two and three level high power voltage source converters, pp. 1-3, Royal Institute of Technology, Stockholm 1995.
Asea Brown Boveri AB
Han Y. J.
Wong Peter S.
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