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China to Build Ultra Power Transmission Line

The +800 kilovolt Yunnan-Guangdong direct current power transmission project has applied for approval and China Southern Power Grid (CSG) is speedily making preparations to build the first ultra high speed electric transmission line in China and the world, the company's president told yesterday.

The project is expected to be completed by 2010, and the ratio of independently developed facility will reach 60 percent.

At its 2006 working conference yesterday, China Southern Power Grid president Yuan Xiezhen disclosed that the company is firmly carrying forward first-phase preparations for the project, having basically worked out key technologies and consummating environment impact assessment, water and soil conservation, and land pretrial.

No countries or regions have built any +800kv DC power transmission lines to date. According to experts in electric power, the +800kv DC power transmission line is a superhighway of electric power which boasts of higher capacity and steadier performance than the current 500kv DC power transmission lines. It will significantly elevate a power grid's transmission capacity.

This ultra high speed electric transmission line is one of the "two DC and two AC" power transmission lines in CSG's west-to-east power transmission project which has been confirmed in its 11th Five-year Plan period power development planning and will serve as the main artery of power transmission from Yunnan to Guangdong.
 
(Chinanews.cn January 19, 2006)

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