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Second Utility in China Installs 3M ACCR

[2008-7-30]

Tag : Heat Resistant Wire

Chongqing Electric Power Corporation has become the second majorutility in the People's Republic of China to install the 3MAluminum Conductor Composite Reinforced (3M ACCR) to boosttransmission capacity on a key line without the need to buildlarger transmission towers. The utility says it needed extracapacity to meet anticipated heavy power demand for the summerOlympics in Beijing and did not have time to construct new towers.

This installation will serve more than a half-million residentswithin two districts in Chongqing City, an ancient city with apopulation of approximately four million, located on the YangtzeRiver in southwest China, within Sichuan Province.

In late 2007, Shanghai Electric became the first utility outside ofthe United States to install the 3M ACCR. Since then, utilities inCanada and Brazil also have chosen 3M's breakthrough conductor toenlarge capacity on lines where new construction would poseeconomic or environmental problems. Fourteen utilities in the U.S.so far have deployed 3M ACCR, which can carry more than twice thepower of conventional steel conductors of the same diameter.

Using existing towers, Chongqing Electric has installed atwo-circuit line of approximately 3.4 miles (5.5 km), linking theShuinian and Shuangshan substations. Chongqing is in a subtropicalregion with high humidity and frequently extreme summer heat, and3M ACCR was chosen in part because of its proven reliability indifficult climates.

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