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并网风电场发电可靠性的新的评价指标 预览 被引量:11

New Reliability Indices of Grid-connected Wind Farms
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摘要 随着风电场规模化的发展,风电场并网可靠性问题日益突出。由于风电与常规电源相比具有很强的随机波动性,常规电源的可靠性评估指标已不适用于风电,因此研究和制定评价风电的可靠性指标愈加重要。本文在分析风电场可靠性影响因素的基础上定义了风电场容量有效度(CVC)、风电场发电密集度(GIC)、风电场运行安全度(OSC)、风电场相对效益系数(RBC)四个指标分别从充裕性、连续性、安全性、经济性四个角度评价了风电场发电可靠性,并给出了每个指标的定义公式。这些指标的提出,对研究风电的经济性和真实价值具有重要的参考价值,并且对风电场的运行规划具有指导意义。 With the capacity of single wind turbine and the size of wind farm increasing,the reliability issues of grid-connected wind farms become increasingly prominent. Compared with conventional power supply,wind power has strong stochastic volatility. Then the reliability evaluation indices for conventional supply don’t apply to wind power. So it is more and more important to research and development the evaluation indices for the reliability of wind power. On the basis of the analysis to factors affecting the wind reliability,for indices are defined,which are wind farm capacity validity coefficient(CVC) ,wind farm generation intensity coefficient(GIC) ,wind farm operation security coefficient(OSC) ,wind farm relative benefit coefficient. They evaluate the reliability of wind power generation from point of abundance,continuity,security and economic. Addition,this paper proposes defined formula for each index. All these indices can be used to indicate the economy and substantial value of wind power,and are helpful for the planning and operation of gird-connected wind farm.
作者 许郁 朱永强 Xu Yu Zhu Yongqiang (School of Electrical and Electronic Engineering,North China Electric Power University,Beijing,102206)
出处 《电气技术》 2010年第6期9-12,共4页 Electrical Engineering
基金 国家“十一五”科技支撑计划项目(2008BAA14B05)
关键词 风电 可靠性 指标 评价 gird-connected wind power reliability indices
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