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一种基于EMD的谐振接地系统选线新方法OA北大核心CSCDCSTPCD

A new method of the resonant grounding system fault line detection based on EMD

中文摘要英文摘要

针对谐波接地系统故障线路零序导纳特征不突出这一问题,提出了一种基于EMD的谐振接地系统选线新方法。该方法对各条线路的零序导纳进行EMD分解,提取出特征分量,通过比较故障线路和非故障线路特征分量的符号进行选线。大量仿真表明,该方法不受接地电阻和初始故障角的影响,能准确地选出故障线路。

To solve this problem that harmonic grounding system fault line zero sequence admittance levy does not highlight, this paper proposes a new resonant grounding line selection method based on EMD. In this method, each line zero sequence admittance is decomposed with EMD, characteristic component is extracted, and the fault line is selected by comparing the characteristic component symbols of the fault line and non-fault lines. Extensive simulations show that this method is not impacted by the ground fault resistance and the initial angle, and can accurately select the fault line. This work is supported by National Natural Science Foundation of China (No. 61305080).

查丛梅;王长江;魏云冰;李涛;路光辉

中原工学院电子信息学院,河南 郑州 450007郑州轻工业学院电气信息工程学院,河南 郑州 450002郑州轻工业学院电气信息工程学院,河南 郑州 450002南阳市供电公司,河南 南阳 473000许继电气股份有限公司,河南 许昌 461000

信息技术与安全科学

谐振接地系统零序导纳EMD特征分量故障选线

resonant grounding systemzero sequence admittanceEMDcharacteristic componentfault line

《电力系统保护与控制》 2014 (14)

基于新型小生境策略的多模态、多目标、动态进化算法的研究

100-104,5

国家自然科学基金项目(61305080)

全文链接

https://opaj.napstic.cn/periodicalArticle/downloadReview/0120150908015985

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