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 In the remote south-western province of Yunnan, some 2000km from Beijing and Shanghai, SINOHYDRO is contructing another vitally important piece of China’s renewable energy program. The Xiang Jia Ba dam and hydropower scheme is the nation’s third largest hydropower system and another major step forward in China’s sustainable energy and water resource management strategies.
To build this dam, SINOHYDRO chose Baldor’s CST (Controlled Start Transmission) as the best drives solution, installing 13 Baldor CST Drives and 2 CSB Braking units to deliver some 60 million tons of gravel over 31 kilometers on 5 conveyor flights, laid through 29 kilometers of tunnels.
When completed in 2015, the 30.7 billion kWh/year of electricity that will be generated by the Xiang Jia Ba hydro scheme will replace the equivalent of burning 14 million tons of coal per year. The follow-on effect of this renewable energy is also a significant reduction in emissions, equivalent to 25 million tons/y of carbon dioxide, 170,000 tons/y of nitrogen dioxide and 300,000 tons/y of sulfur dioxide.
Xiang Jia Ba will begin generating power in 2012 and the power will be transported by high tension power lines to China’s central and eastern provinces. In addition to providing power, the 900+ million cubic meter reservoir on the Jin Sha Jiang River will help cities like Chongqing, Zhouzhou, Yibin and Shuifu (where the dam is located) and others to achieve national flood prevention standards. It will also provide water to irrigate approximately 3.7 million Mu (250,000 hectares) of land in 14 downstream regions.
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