大規模風電并網下的電力系統調度決策研究
雷宇1,陳紅2,王林3,楊佳俊4
1 中國人民解放軍山東省軍區,山東 濟南 250099; 2 山東送變電工程公司,山東 濟南 250022; 3 國網濰坊供電公司,山東 濰坊 261000; 4 國網萊蕪供電公司,山東 萊蕪 271100
摘 要:風電功率預測對電力系統的功率平衡和經濟調度意義重大。介紹了風電場輸出功率的預測方法及影響因素,給出了含風電場的電力系統經濟調度模型及相關求解方法,并研究了預測與機組組合滾動優化的配合機制以及儲能、電動汽車等多種資源與風電協調互補等問題。指出儲能、電動汽車等可調度資源能夠有效平抑風電等可再生能源的間歇性和波動性,是實現消納大規模風電、節能減排、保障電網安全穩定的有效途徑。
關鍵詞:電力系統;風電并網;經濟調度;滾動調度優化;協調互補;調度模式
中圖分類號:TM614 文獻標識碼:A 文章編號:1007-3175(2014)12-0006-08
Review on Power System Economic Dispatch Strategy Research of Lager-Scale Wind Power Integration
LEI Yu1, CHEN Hong2, WANG Lin3, YANG Jia-jun4
1 Chinese People’s Liberation Army of Shandong Province Military Region, Jinan 250099, China; 2 Shandong Electric Power Transmission and Transformation Engineering Company, Jinan 250022, China; 3 State Grid Weifang Power Supply Company, Weifang 261000, China; 4 State Grid Laiwu Power Supply Company, Laiwu 271100, China
Abstract: There is great significance for wind power predict in power balance and economic dispatch of power system. Introduction was made to the wind farm power output predict method and impact factors. This paper gave the power system dispatch model and the related solution method including wind farm, and researched predict and units combination rolling coordinated and optimized mechanism and energy storage, electric automobile etc multiple resources and wind power coordination mutuality etc issues. It is pointed out that energy storage, electric automobiles etc controlled dispatch can effectively reduce intermittence and undulatory property of wind power etc renewable energy resources, which is an effective way to absorb large-scale wind power with energy saving and discharge reduction, to ensure power grid safety and stability.
Key words: power system; wind power integration; economic dispatch; rolling dispatch optimization; coordination mutuality; dispatching mode
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