山东大学学报(工学版) ›› 2009, Vol. 39 ›› Issue (6): 130-134.
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王剑 张壬寅 张蕾
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摘要：
电力系统电压稳定问题的难点在于薄弱节点的确定和临界状态及其稳定裕度的求取.基于功率传输路径和静态等值的思想,采用局部电压稳定指标L确定电力系统薄弱节点,利用相对电距离计算电压稳定裕度，IEEE 39节点系统和山东电网的实际算例表明,该方法物理意义明确,计算速度比较快,适用于电压稳定性的在线检测
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关键词: 静态电压稳定;功率传输路径;等效电气距离
Abstract:
The main problem of static voltage stability in power systemsis to determine the critical bus, the critical voltage and the voltage stability margin. Based on the power transmission path theory and the equivalent theory,the local voltage stability index was used to confirm the voltage stability bus, and the equivalent electrical distance was used to obtain the voltage stabilitymargin. The practical results of IEEE 39 nodes system and Shandong power grid that this method was fast in computation and more suitable for on line voltage security monitor.
Key words: static voltage stability; power transmission path; equivalentelectrical distance
王剑 张壬寅 张蕾. 基于等效电气距离的电压稳定性指标计算[J]. 山东大学学报(工学版), 2009, 39(6): 130-134.
WANG Jian, ZHANG Ren-Yin, ZHANG Lei. Voltage stability index based on equivalent electrical distance[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2009, 39(6): 130-134.
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