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    Suzhou Electric Appliance Research Institute
    期刊號: CN32-1800/TM| ISSN1007-3175

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    含風電場的發電系統旋轉備用優化調度模型研究

    來源:電工電氣發布時間:2016-03-15 16:15 瀏覽次數:751

    含風電場的發電系統旋轉備用優化調度模型研究 

    任禹丞,陸彬,張馨升

    東南大學 電氣工程學院,江蘇 南京 210096 
     

    摘 要:為研究風電的隨機性和間歇性對電力系統調度計劃中旋轉備用的影響,建立風電預測偏差的概率密度函數,將正態分布與拉普拉斯分布聯合,擬合風電預測偏差的概率分布。在處理風電預測與負荷預測的不確定性因素時,基于置信度確定了系統需要增加的旋轉備用容量,并在此基礎上建立旋轉備用優化調度模型。通過算例仿真分析,表明置信度可作為調整系統經濟性與可靠性的平衡因素,且文中模型的經濟性優于傳統等備用調度模型。

    關鍵詞:風電預測偏差;旋轉備用;置信度;等備用;聯合優化

    中圖分類號:TM614 文獻標示號:A 文章編號:1007-3175(2013)07-0005-05


    Research on Optimal Scheduling Model of Generation and Spinning Reserve with Wind Farms 

    REN Yu-cheng, LU Bin, ZHANG Xin-sheng 
    School of Electrical Engineering, Southeast University, Nanjing 210096, China 
     

    Abstract: In order to consider the impact on spinning reserve and generation scheduling caused by the randomness and intermittence of wind power, this paper established the probability density function of the wind power forecast error, which combined mormal distribution with Laplace distribution to simulate the probability distribution of wind power forecast error. In dealing with the uncertainty of wind power and load forecast, confidence level was used to find the added spinning reserve capacity. Based on the total spinning reserve capacity of system, the optimal scheduling model of spinning reserve was built. The analysis of examples shows that confidence level could be the adjusting element of the reliability and economy of system, and the economy function of optimal scheduling model is better than traditional equal reserve scheduling model.
    Key words: wind power forecast error; spinning reserve; confidence level; equal reserve; united optimization


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