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State Grid Plans To Start Building 3 More UHV Lines
Source: Xinhua |
January 20, 2009, Tuesday
|
Print Edition
Print Edition
THE State Grid Corp of China, the nation's biggest power supplier, said it would start building three more ultra-high voltage power lines this year.
The plan, announced on Sunday, came after the company successfully put into operation the country's first UHV power line last week. The building of two other direct current UHV lines is still underway.
The new plan would bring the number of China's UHV lines to six.
UHV, defined as voltage of 1,000 kilovolts or of above alternating current, and 800kv direct current, is designed to deliver large quantities of power over long distances with fewer losses than traditional lines.
Similar UHV power lines were previously developed only in Russia and Japan, but the technology was not widely used in these countries because of high costs and relatively weak demand. State Grid started construction of such power lines at the end of 2006.
The 640-kilometer alternating current line that links the southeast part of Shanxi Province, a coal-rich region, with Jingmen in Hubei Province in central China, started running commercially on Friday with a total investment of 5.9 billion yuan (US$862 million).
The plan, announced on Sunday, came after the company successfully put into operation the country's first UHV power line last week. The building of two other direct current UHV lines is still underway.
The new plan would bring the number of China's UHV lines to six.
UHV, defined as voltage of 1,000 kilovolts or of above alternating current, and 800kv direct current, is designed to deliver large quantities of power over long distances with fewer losses than traditional lines.
Similar UHV power lines were previously developed only in Russia and Japan, but the technology was not widely used in these countries because of high costs and relatively weak demand. State Grid started construction of such power lines at the end of 2006.
The 640-kilometer alternating current line that links the southeast part of Shanxi Province, a coal-rich region, with Jingmen in Hubei Province in central China, started running commercially on Friday with a total investment of 5.9 billion yuan (US$862 million).
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