Research on a Faulty Line Selection Method Based on the Zero-Sequence Disturbance Power of Resonant Grounded Distribution Networks
For fast and accurate faulty line selection (FLS) in single phase-to-ground (SPG) faults for resonant grounded distribution networks (RGDNs), this paper proposes a FLS method based on zero-sequence power characteristics. Through analysis of the zero-sequence current of SPG faults, it is found that t...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-03-01
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| Series: | Energies |
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| Online Access: | http://www.mdpi.com/1996-1073/12/5/846 |
| _version_ | 1798042211029352448 |
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| author | Wenquan Shao Jie Bai Yuan Cheng Zhihua Zhang Ning Li |
| author_facet | Wenquan Shao Jie Bai Yuan Cheng Zhihua Zhang Ning Li |
| author_sort | Wenquan Shao |
| collection | DOAJ |
| description | For fast and accurate faulty line selection (FLS) in single phase-to-ground (SPG) faults for resonant grounded distribution networks (RGDNs), this paper proposes a FLS method based on zero-sequence power characteristics. Through analysis of the zero-sequence current of SPG faults, it is found that the transient zero-sequence current in the faulty line contains abundant attenuated DC components, while that in the sound line is weak, which could be utilized as a technically practical way of judging faulty lines. Thus a FLS scheme using a transient zero-sequence DC component energy integral is put forward, which highlights the difference of the DC components in the faulty line and the sound line. A series of simulation test results indicate that the proposed scheme shows favorable performance under various SPG fault conditions, and should be helpful to improve the success rate of FLS significantly for RGDN in the future. |
| first_indexed | 2024-04-11T22:32:18Z |
| format | Article |
| id | doaj.art-a54bfc47b5584758bd98b48992f03fff |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T22:32:18Z |
| publishDate | 2019-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-a54bfc47b5584758bd98b48992f03fff2022-12-22T03:59:22ZengMDPI AGEnergies1996-10732019-03-0112584610.3390/en12050846en12050846Research on a Faulty Line Selection Method Based on the Zero-Sequence Disturbance Power of Resonant Grounded Distribution NetworksWenquan Shao0Jie Bai1Yuan Cheng2Zhihua Zhang3Ning Li4School of Electronics and Information, Xi’an Polytechnic University, Xi’an 710048, ChinaSchool of Electronics and Information, Xi’an Polytechnic University, Xi’an 710048, ChinaSchool of Electronics and Information, Xi’an Polytechnic University, Xi’an 710048, ChinaElectric Power Research Institute, State Grid Shaanxi Electric Power Company, Xi’an 710054, ChinaSchool of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, ChinaFor fast and accurate faulty line selection (FLS) in single phase-to-ground (SPG) faults for resonant grounded distribution networks (RGDNs), this paper proposes a FLS method based on zero-sequence power characteristics. Through analysis of the zero-sequence current of SPG faults, it is found that the transient zero-sequence current in the faulty line contains abundant attenuated DC components, while that in the sound line is weak, which could be utilized as a technically practical way of judging faulty lines. Thus a FLS scheme using a transient zero-sequence DC component energy integral is put forward, which highlights the difference of the DC components in the faulty line and the sound line. A series of simulation test results indicate that the proposed scheme shows favorable performance under various SPG fault conditions, and should be helpful to improve the success rate of FLS significantly for RGDN in the future.http://www.mdpi.com/1996-1073/12/5/846single phase-to-ground faultresonant grounded distribution network (RGDN)faulty line selection (FLS)DC componentpower integral |
| spellingShingle | Wenquan Shao Jie Bai Yuan Cheng Zhihua Zhang Ning Li Research on a Faulty Line Selection Method Based on the Zero-Sequence Disturbance Power of Resonant Grounded Distribution Networks Energies single phase-to-ground fault resonant grounded distribution network (RGDN) faulty line selection (FLS) DC component power integral |
| title | Research on a Faulty Line Selection Method Based on the Zero-Sequence Disturbance Power of Resonant Grounded Distribution Networks |
| title_full | Research on a Faulty Line Selection Method Based on the Zero-Sequence Disturbance Power of Resonant Grounded Distribution Networks |
| title_fullStr | Research on a Faulty Line Selection Method Based on the Zero-Sequence Disturbance Power of Resonant Grounded Distribution Networks |
| title_full_unstemmed | Research on a Faulty Line Selection Method Based on the Zero-Sequence Disturbance Power of Resonant Grounded Distribution Networks |
| title_short | Research on a Faulty Line Selection Method Based on the Zero-Sequence Disturbance Power of Resonant Grounded Distribution Networks |
| title_sort | research on a faulty line selection method based on the zero sequence disturbance power of resonant grounded distribution networks |
| topic | single phase-to-ground fault resonant grounded distribution network (RGDN) faulty line selection (FLS) DC component power integral |
| url | http://www.mdpi.com/1996-1073/12/5/846 |
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