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Long-term optimal operation of hydropower station is the key power grid enterprises plan is for reservoir hydropower potential, take advantage of multiple water clean energy, reducing energy consumption of other effective measures to [1].With the Shui Niujia,Zi Yili, Mu Zuo and Yin Ping shade have been built such as power stations,Huo Xi river formed a cascade hydropower stations, including ability to regulate the water Sui Niujia furniture for years, on the other three all have ability to regulate power plant. Shui Niujia Reservoir as a leader of the HuoXi River into the four cascade hydropower stations in Sichuan power grid operation, not only help to improve the regulation of fire River Cascade Hydropower capacity increase generating income, but also to improve the overall power generation capacity of hydropower in Sichuan, to improve the supply power quality, ease the network, peak conflicts and optimize the power structure of Sichuan, will play an increasingly important role.Huo Xi river closely linked four hydraulic power to regulate the performance of different. Use Pricing Policy conditions, how to make the regulation of the reservoir, the United scheduling, reasonable distribution of plant abundance between and during the year, flat, dry period and the days of peak, flat, valley section of electricity, issuance of high power, improve the whole river cascade hydropower stations generating income, will be the optimal operation of Huo Xi River Cascade Hydropower most important issue facing; second, running according to the Sichuan power grid scheduling requirements, how to determine the whole power plant cascade and the year, month, day capacity, In preparation station, month, day sales plan to run programs and electricity is produced and the power of marketing had to face another major problem; third, Optimal Operation of a reservoir hydropower potential to play a full use of multiple water clean renewable energy to reduce the consumption of other energy efficient measures. Domestic and internationalpractice shows that the general increase of Optimal scheduling 1%～7% of the power generation efficiency. Huo Xi River Cascade Hydropower Stations on the downstream water, electricity link complexity, optimizing economic benefits even more significant, otherwise, will cause no good discard water; Fourth, the state is stepping up its work to promote energy generation scheduling, explicit requirements for the full acquisition of power can be renewable energy generating capacity, and to ask for joint optimization of cascade hydropower stations to schedule work to maximize the use of hydropower resources, saving energy minerals. Therefore, the basin for Energy Cascade proposed a new and higher requirements.In order to implement the national policy for Energy to meet the requirements of the future electricity market development, and enhance market competitiveness, maximize the use of fire River Cascade Hydropower and water resources, improve the effectiveness of joint operation of cascade hydropower stations, the study in accordance with the "basin scheduling system "requirements, conduct joint Huoxi River Cascade Hydropower Stations optimal operation of the work is of great significance.
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