第 36卷第 6期 2012年 6月 电 网 技 术 Vol. 36 No. 6 Jun. 2012 Power System Technology 文章编号： 1000-3673（2012）06-0232-06 中图分类号： TM 614 文献标志码： A 学科代码： 470·4054 风电机群对公共汇集点的电压波动贡献分析 胡立锦 1，张新燕 1，常喜强 2，王维庆 （1．新疆大学电气工程学院，新疆维吾尔族自治区乌鲁木齐市 830047； 2．新疆电力公司，新疆维吾尔族自治区乌鲁木齐市 830002） Analysis on Contribution of Wind Power Generator Groups to Voltage Fluctuation at Point of Common Coupling HU Lijin1, ZHANG Xinyan1, CHANG Xiqiang2, WANG Weiqing1 (1. School of Electrical Engineering, Xinjiang University, Urumqi 830047, Xinjiang Uygur Autonomous Region, China; 2. Xinjiang Power Supply Company, Urumqi 830002, Xinjiang Uygur Autonomous Region, China) ABSTRACT: There are differences among influences of wind power generator groups on voltage fluctuation at the point of common coupling (PCC) due to differences among the types of 0引言 据中国风能协会统计，截止 2009年底我国 (不含台湾)新增安装风电机组 12129台，容量为 13 803.2 MW，年同比增长 124%，累计安装风电机 组 21 544台，容量为 25 805.3 MW，年同比增长 114%。而受我国风资源分布影响，大型风电基地一 般远离负荷中心，位于电网末端的风电场需汇集升 压后统一外送。大容量风电场大规模的接入电网， 在改变电网供需布局的同时，因其电压敏感性和低 压自动脱离主网的特性，对电网的电压稳定水平， 特别是对多风电机群公共汇集点的电压稳定水平 提出新的挑战。 wind power generators adopted in the goups, and different different distances of the groups to the PCC grid-connection models of the groups. In this paper, it is proposed to measure the influencing extents of wind power generator groups on voltage at PCC by sensitive factors under different conditions. By means of analyzing voltage fluctuation curve and calculating sensitive factors, the influences of grid-connencted capacity of w