Transmission system

Details Transmission system Transmission system

2006-06-15

2010-11-09

Riley, Shawn (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S051000

Reexamination Certificate

active

07830679

ABSTRACT:
A HVDC transmission system including at one end of a bipolar HVDC transmission line a converter station for connecting the transmission line to an AC system. The station has two converters and a DC neutral arrangement in common to the converters. The DC neutral arrangement has a separate electrode line connecting member connecting to electrode lines. The electrode lines are dimensioned to be able to at monopolar operation of the converter station transmit substantially full current to an electrode station through the remaining one or ones of the electrode lines at disconnection of an arbitrary of the electrode lines.

REFERENCES:
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patent: 3952210 (1976-04-01), Kanngiesser
patent: 6411529 (2002-06-01), Svensson
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International Search Report, dated Oct. 17, 2006, issued in Counterpart Application No. PCT/SE2006/000717.
Written Opinion of the International Searching Autority, dated Oct. 17, 2006, issued in Counterpart Application No. PCT/SE2006/000717.

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