三相四线制系统瞬时功率理论的比较研究

被引:10
作者
侯世英
潘翀
吕厚余
李学远
机构
[1] 重庆大学高电压与电工新技术教育部重点实验室
关键词
三相四线制系统; 瞬时功率理论; p-q-r坐标系; 自由度; 能量守恒原理; 无功补偿;
D O I
10.13336/j.1003-6520.hve.2007.05.028
中图分类号
TM711 [网络分析、电力系统分析];
学科分类号
摘要
为深入分析应用于三相四线制系统的3种瞬时功率理论,由3种瞬时功率的定义出发,利用自由度观点和能量守恒原理,分析了各种瞬时功率理论的各自特点,并利用仿真软件MATLABLE建立了三相四线制带不对称负荷的仿真模型,对比了3种瞬时功率理论的分析结论。结果表明:传统瞬时功率理论在全局补偿中有优势;改进瞬时功率理论较适用于对各种谐波分量进行精细补偿的场合;p-q-r坐标系的瞬时功率理论具有能量守恒和无功功率相互独立的特点,适用于独立无功补偿场合。
引用
收藏
页码:114 / 117
页数:4
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