Converter station

Details Converter station Converter station

2006-06-15

2011-12-20

Laxton, Gary L (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S051000, C363S065000, C307S071000, C307S086000

Reexamination Certificate

active

08081497

ABSTRACT:
A converter station for connecting an AC system to a bipolar HVDC transmission line. A DC neutral arrangement includes first DC breakers enabling breaking of a first current path from the neutral bus of one pole to the neutral bus of the other pole at bipolar operation of the station for changing to monopolar operation thereof for isolation of a faulty section of the system while establishing a current path to electrode line connecting members for diverting the current from the one pole thereto. A separate connecting member is provided for each of the electrode lines. A connector is configured to connect each neutral bus to an optional of the two electrode line connecting members.

REFERENCES:
patent: 3952210 (1976-04-01), Kanngiesser
patent: 4419591 (1983-12-01), Irokawa et al.
patent: 4459492 (1984-07-01), Rogowsky
patent: 5187651 (1993-02-01), Ekström
patent: 0 645 867 (1995-03-01), None
patent: 0 736 949 (1996-10-01), None
patent: 1151854 (1969-05-01), None
patent: 2 089 986 (1997-09-01), None
patent: 2002111927 (2003-11-01), None
patent: WO 90/16104 (1990-12-01), None
International Search Report, dated Oct. 18, 2006, issued in Counterpart Application No. PCT/SE2006/000712.
Decision on Grant Patent for Invention, issued by the Russian Patent Office (along with an English translation) in counterpart Russian Application No. 2008133587/09(042289).

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