Section Location Technology Based on Minkowski Distance of Three-phase Asymmetric Current Components
Fault components in the fault path and the non-fault path differ due to the unbalanced distribution of positive, negative and zero-sequence components in the line in the case of a single-phase earth fault in the power distribution network. Therefore, this paper proposes an improved fault section loc...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2021-01-01
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| Series: | E3S Web of Conferences |
| Online Access: | https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/28/e3sconf_pgsge2021_01014.pdf |
| _version_ | 1818664714707664896 |
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| author | Kejian Shi Yidong Zhu Zimo Zheng Xinyu Zhang Ye Tian Weili Xu Shili Wang |
| author_facet | Kejian Shi Yidong Zhu Zimo Zheng Xinyu Zhang Ye Tian Weili Xu Shili Wang |
| author_sort | Kejian Shi |
| collection | DOAJ |
| description | Fault components in the fault path and the non-fault path differ due to the unbalanced distribution of positive, negative and zero-sequence components in the line in the case of a single-phase earth fault in the power distribution network. Therefore, this paper proposes an improved fault section location algorithm based on phase current, which obtains the fault component current by the subtraction of currents before and after the fault and the fundamental wave amplitude of the corresponding current through Fast Fourier Transform (FFT). Meanwhile, considering that the fault section location cannot be completed accurately with the amplitude relationship alone, the Minkowski distance calculation formula is introduced to strengthen the difference between the fault path and the non-fault path, and the relationship between the calculation results of different sections and the threshold is compared by threshold setting to complete the section location. This paper proposes the specific fault section location process and criteria and verifies the feasibility of the algorithm through simulation experiment. |
| first_indexed | 2024-12-17T05:37:08Z |
| format | Article |
| id | doaj.art-49003cc45db840a983f15ae2bb50cff4 |
| institution | Directory Open Access Journal |
| issn | 2267-1242 |
| language | English |
| last_indexed | 2024-12-17T05:37:08Z |
| publishDate | 2021-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | E3S Web of Conferences |
| spelling | doaj.art-49003cc45db840a983f15ae2bb50cff42022-12-21T22:01:35ZengEDP SciencesE3S Web of Conferences2267-12422021-01-012520101410.1051/e3sconf/202125201014e3sconf_pgsge2021_01014Section Location Technology Based on Minkowski Distance of Three-phase Asymmetric Current ComponentsKejian Shi0Yidong Zhu1Zimo Zheng2Xinyu Zhang3Ye Tian4Weili Xu5Shili Wang6State Grid LiaoNing Electric Power Research InstituteState Grid LiaoNing Electric Power Research InstituteBeijing DHHB Power Science and Technology Co.,LtdState Grid LiaoNing Electric Power Research InstituteState Grid LiaoNing Electric Power Research InstituteBeijing DHHB Power Science and Technology Co.,LtdBeijing DHHB Power Science and Technology Co.,LtdFault components in the fault path and the non-fault path differ due to the unbalanced distribution of positive, negative and zero-sequence components in the line in the case of a single-phase earth fault in the power distribution network. Therefore, this paper proposes an improved fault section location algorithm based on phase current, which obtains the fault component current by the subtraction of currents before and after the fault and the fundamental wave amplitude of the corresponding current through Fast Fourier Transform (FFT). Meanwhile, considering that the fault section location cannot be completed accurately with the amplitude relationship alone, the Minkowski distance calculation formula is introduced to strengthen the difference between the fault path and the non-fault path, and the relationship between the calculation results of different sections and the threshold is compared by threshold setting to complete the section location. This paper proposes the specific fault section location process and criteria and verifies the feasibility of the algorithm through simulation experiment.https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/28/e3sconf_pgsge2021_01014.pdf |
| spellingShingle | Kejian Shi Yidong Zhu Zimo Zheng Xinyu Zhang Ye Tian Weili Xu Shili Wang Section Location Technology Based on Minkowski Distance of Three-phase Asymmetric Current Components E3S Web of Conferences |
| title | Section Location Technology Based on Minkowski Distance of Three-phase Asymmetric Current Components |
| title_full | Section Location Technology Based on Minkowski Distance of Three-phase Asymmetric Current Components |
| title_fullStr | Section Location Technology Based on Minkowski Distance of Three-phase Asymmetric Current Components |
| title_full_unstemmed | Section Location Technology Based on Minkowski Distance of Three-phase Asymmetric Current Components |
| title_short | Section Location Technology Based on Minkowski Distance of Three-phase Asymmetric Current Components |
| title_sort | section location technology based on minkowski distance of three phase asymmetric current components |
| url | https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/28/e3sconf_pgsge2021_01014.pdf |
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