含风电场电力系统电压稳定性概率评估及其在无功优化中的应用Probability Assessment on Voltage Stability of Power Grid Containing Wind Farms and Its Application in Reactive Power Optimization
柳杰;刘志刚;孙婉璐;赵飞;
摘要(Abstract):
为分析风力发电机出力间歇性、随机性对电网的影响,引入随机响应面法建立了一种电力系统静态电压稳定性概率评估模型,并将该概率模型引入到多目标无功优化问题的求解中。随机响应面法能够将输入风机有功出力的概率参数与响应负荷裕度之间的关系以多项式形式进行表达,仅需少量仿真便可估计出响应的统计信息。风电场接入IEEE14节点标准测试系统的算例结果表明,上述概率模型具有较高的效率和精度,提高了无功优化方案对于风速的适应性,更加全面地考虑风机随机出力对电网运行造成的影响。
关键词(KeyWords): 随机响应面法;静态电压稳定性;风电场;无功优化
基金项目(Foundation): 国家自然科学基金项目(51007074);; 中央高校基本科研业务费专项资金资助(SWJTU11CX14,SWJTU09ZT10);; 新世纪优秀人才支持计划项目(NECT-08-0825)~~
作者(Author): 柳杰;刘志刚;孙婉璐;赵飞;
Email:
DOI: 10.13335/j.1000-3673.pst.2012.11.033
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