Volume 6 Issue 3
Jul.  2013
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Article Navigation >  Water Science and Engineering  > 2013  >  6(3): 308-316
Xin SUI, Sai-nan WU, Wen-gen LIAO, Lan JIA, Tian-tian JIN, Xue ZHANG. 2013: Optimized operation of cascade reservoirs on Wujiang River during 2009-2010 drought in southwest China. Water Science and Engineering, 6(3): 308-316. doi: 10.3882/j.issn.1674-2370.2013.03.007
Citation: Xin SUI, Sai-nan WU, Wen-gen LIAO, Lan JIA, Tian-tian JIN, Xue ZHANG. 2013: Optimized operation of cascade reservoirs on Wujiang River during 2009-2010 drought in southwest China. Water Science and Engineering, 6(3): 308-316. doi: 10.3882/j.issn.1674-2370.2013.03.007
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Optimized operation of cascade reservoirs on Wujiang River during 2009-2010 drought in southwest China

doi: 10.3882/j.issn.1674-2370.2013.03.007
  • 1.

    National Research Center for Sustainable Hydropower Development, China Institute of Water Resources and Hydropower Research, Beijing 100038, P. R. China

  • 2.

    Guizhou Wujiang Hydropower Development Co., Ltd., Guiyang 550002, P. R. China

Funds:  This work was supported by the National Natural Science Foundation of China (Grant No. 51109229).
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  • Corresponding author: Xin SUI
  • Received Date: 2012-04-11
  • Rev Recd Date: 2012-11-15
    Abstract
  • The effects of optimized operation principles implemented at reservoirs on the Wujiang River in southwest China between September 2009 and April 2010 under drought conditions were analyzed based on operational data collected from the Guizhou Wujiang Hydropower Development Co., Ltd. A set of linear regression equations was developed to identify the key factors impacting the electric power generation at reservoirs. A 59% reduction in the inflow discharge at the Hongjiadu Reservoir led to a decrease of only 38% in the total electric power generation at the Hongjiadu, Dongfeng, Suofengying, and Wujiangdu reservoirs on the Wujiang River, indicating that optimized operation can play an important role in drought management. The water level and the amount of other water inputs at the Hongjiadu Reservoir and the outflow discharge at all of the reservoirs except the Wujiangdu Reservoir were key factors affecting the total electric power generation at reservoirs on the Wujiang River under optimized operation.

     

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