| Built up the optimal compensation regulation model of cascade hydropower stations for water resources system in the main stream of the Yellow River, adopted POA method to solve optimal model in order to analysis water supply and generation electricity compensation benefits, discussed its distribution project and implementation countermeasures. The main conclusions of the research are shown as follows:(1) With meeting the comprehensive using demands including flood control, ice prevention and water supply of the main stream, aimed at the maximum generation electricity in a period of the reservoir regulation, built up the optimal regulation model of the Longyangxia - Liujiaxia system and Sanmenxia-Xiaolangdi system and adopted POA method to solve it, obtained long series compensation regulation results.(2) In term of two cases that being upstream Long-Liu regulation or not, solved optimal model to obtained compensation results of water supply and generation electricity. The Ning-Meng system increased water 17.08*10A8 m3, the downstream system increased 7.13*10A8 m3; the runoff power stations increased generation 8.93*10A8 kW-h, the San-Xiao increased 9.10*10A8 kW-h.(3) According to compensation benefit formation cause and scientific, rational, impartial, equitable distribution principle, put forward distribution project of water supply and generation electricity compensation benefit in the main stream of the Yellow River.a. Water supply distribution: the proportion of the Long-Liu and the Ning-Meng is 5:5; the Long-Liu, the San-Xiao and the downstream is 5:3:2;b. Generation electricity distribution: the proportion of the Long-Liu and the runoff power stations is 5:5; the Long-Liu and the San-Xiao is 5:5.In term of rational price the compensation benefit in the main stream of the Yellow River mean annual is 5.086* 10A8 Yuan.(4) With the Long-Liu regulated, the Ning-Meng irrigation guarantee rate increased from 31.25 to 86.25 percent, the downstream increased from 56.25 to 80.00 percent.
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