基于dq变换的小电流接地系统分析

来源 :福建省电机工程学会第十五届学术年会 | 被引量 : 0次 | 上传用户：morenedu

【摘要】

：

本文对我国小流接地系统故障进行分析,重点分析暂态零序电流幅值与极性的检测原理,并提出运用dq算法进行分析,提取故障后线路电压变化幅值.利用simulink仿真中性点经消弧线圈接地的10kV单相短路故障,分析其在不同故障点和不同接地电阻下接地时产生的零序分量的幅值和极性的特征,并针对每种故障进行dq变换.实验证明针对暂态信号量不明量的故障类型,运用dq算法进行故障报警,结果更加可靠,为电力系统的安全

【作者】

：

张辑王鑫魏宁陈天翔彭彦卿

【机构】

：

厦门理工学院电气工程与自动化学院,厦门 361024

【出处】

：

福建省电机工程学会第十五届学术年会

【发表日期】

：

2015年5期

【关键词】

：

电力系统小流接地系统 dq变换法故障分析

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基于dq变换的小电流接地系统分析

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