牵引变电站无功与负序分量的综合补偿Comprehensive Compensation of Reactive Power and Negative Sequence Components for Traction Substations
张丽艳;李群湛;徐英雷;
摘要(Abstract):
并联补偿对牵引负荷正序无功功率的补偿只与总的补偿容量有关,与变压器的接线方式及补偿容量在端口的分布方式无关;而对负序功率的补偿,不仅与牵引负荷的大小和功率因数有关,还与其在次边端口的分布方式及并联补偿的性质有关。针对并联补偿对牵引负荷的补偿特点,文中提出2种牵引变电站无功与负序补偿的优化配置方案,并给出2种补偿方案下各个补偿端口补偿容量的通用表达式。以某牵引变电站的实测数据为例,验证了2种补偿方案的可行性。
关键词(KeyWords): 牵引变电站;无功补偿;负序电流;综合补偿
基金项目(Foundation): “十一五”国家科技支撑计划重点项目(2007BAA12B05);; 国家电网公司科技项目(SGKJ[2007]102)~~
作者(Author): 张丽艳;李群湛;徐英雷;
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DOI:
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