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文章摘要
利用PMU测量节点间相角差进行孤岛故障诊断
Use of PMU to measure phase Angle data for island detection
Received:November 30, 2018
Revised:November 30, 2018
DOI：
10.19753/j.issn1001-1390.2020.06.016
中文关键词
:
同步相量测量
孤岛检测
离散傅里叶变换
分布式电源
微电网
相角差
英文关键词
:
PMU, islanding
detection, DFT, distributed
generator, micro-grid, phaseSangleSdifference
基金项目
:
Author Name
Affiliation
E-mail
Zhou Buxiang
Sichuan University School of Electrical Engineering and Information
1228970075@qq.com
Yang Mingtong
*
Sichuan University School of Electrical Engineering and Information
1228970075@qq.com
Li Zugang
Sichuan University School of Electrical Engineering and Information
1228970075@qq.com
Lin Nan
Sichuan power Supply company of State Grid
1228970075@qq.com
Dong Shen
Sichuan University School of Electrical Engineering and Information
1228970075@qq.com
He Feiyu
Sichuan University School of Electrical Engineering and Information
1228970075@qq.com
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中文摘要
:
电力系统的非计划孤岛运行严重影响电力系统运行的稳定性,对含分布式电源的配电网进行实时的孤岛检测,尽量缩短孤岛运行的时间具有重要意义。为了更快、更准确的进行孤岛检测,利用PMU测得配电网系统侧与微电网接入端相角数据,通过判断计算得到的两节点处的相角差值是否超过设定阈值进行孤岛检测；通过改进PMU频率跟踪DFT算法,提高了PMU测量数据的测量精度；最后通过Matlab对非计划孤岛运行场景进行仿真分析,验证了该文所提出方法的有效性。
英文摘要
:
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