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Study on 10 kV Bus Side Overvoltage in 220 kV Leigang Substation in Foshan Power Grid
Author(s): YANG Yong, ZHEN Weiguo, WANG Yuming, ZHANG Feihua, YU Tao
Pages: 38-
41
Year: 2010
Issue:
3
Journal: Guangdong Electric Power
Abstract: 针对佛山电网220 kV雷岗变电站10 kV母线电压超标的问题,详细分析了该地区10 kV直供大用户安装的并联电容补充装置、配电网无功功率补偿、电缆较普通架空线路呈现较强的容性等因素对电压超标的影响.同时,借助电力系统计算分析软件建立该地区的仿真模型,以轻负荷运行为研究对象,考虑10 kV母线侧投入感性无功功率补偿情况,在仿真计算后分析出感性无功功率补偿方案,较好地解决了该地1t电压超标的问题.
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