Research on fault location method for distribution lines based on additional inductance strategy
When a fault occurs on a distribution line, transient fault signals fade quickly, leaving only a short period of time for measurement and sampling. In addition, timing discrepancies between multiple measuring devices affect the accuracy of fault localization. This study proposes a method for fault d...
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| Format: | Article |
| Language: | English |
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AIMS Press
2025-03-01
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| Series: | AIMS Energy |
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| Online Access: | https://www.aimspress.com/article/doi/10.3934/energy.2025010 |
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| author | Weiji Zhou Jun Lin Zekun Long Feifei Liu Mingfei He |
| author_facet | Weiji Zhou Jun Lin Zekun Long Feifei Liu Mingfei He |
| author_sort | Weiji Zhou |
| collection | DOAJ |
| description | When a fault occurs on a distribution line, transient fault signals fade quickly, leaving only a short period of time for measurement and sampling. In addition, timing discrepancies between multiple measuring devices affect the accuracy of fault localization. This study proposes a method for fault detection in distribution lines based on an auxiliary inductance approach, where auxiliary inductors are introduced after the trip to provide steady-state fault data for localization. For asymmetrical short-circuit faults, the fault voltage is calculated from current and voltage measurements at both ends of the line, and the ratio of positive to negative sequence voltages is used to compensate for the phase angle and generate fault location functions. For symmetrical short-circuit faults, the voltage ratio between two faulted phases eliminates asynchronous angles, facilitating the derivation of fault location functions. Simulation results show that this method achieves high accuracy and is robust to differences in fault location, transition resistance, fault types, and synchronous angles. |
| format | Article |
| id | doaj-art-60fa8f8ffef0498186d804b9103aa70d |
| institution | DOAJ |
| issn | 2333-8334 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | AIMS Press |
| record_format | Article |
| series | AIMS Energy |
| spelling | doaj-art-60fa8f8ffef0498186d804b9103aa70d2025-08-20T03:08:57ZengAIMS PressAIMS Energy2333-83342025-03-0113225026410.3934/energy.2025010Research on fault location method for distribution lines based on additional inductance strategyWeiji Zhou0Jun Lin1Zekun Long2Feifei Liu3Mingfei He4School of Energy and Materials, Shihezi University, Shihezi, Xinjiang, 832000, ChinaHOPE Electronic Co., ltd Xinjiang, Urumqi, Xinjiang, 830047, ChinaHOPE Electronic Co., ltd Xinjiang, Urumqi, Xinjiang, 830047, ChinaHOPE Electronic Co., ltd Xinjiang, Urumqi, Xinjiang, 830047, ChinaSchool of Energy and Materials, Shihezi University, Shihezi, Xinjiang, 832000, ChinaWhen a fault occurs on a distribution line, transient fault signals fade quickly, leaving only a short period of time for measurement and sampling. In addition, timing discrepancies between multiple measuring devices affect the accuracy of fault localization. This study proposes a method for fault detection in distribution lines based on an auxiliary inductance approach, where auxiliary inductors are introduced after the trip to provide steady-state fault data for localization. For asymmetrical short-circuit faults, the fault voltage is calculated from current and voltage measurements at both ends of the line, and the ratio of positive to negative sequence voltages is used to compensate for the phase angle and generate fault location functions. For symmetrical short-circuit faults, the voltage ratio between two faulted phases eliminates asynchronous angles, facilitating the derivation of fault location functions. Simulation results show that this method achieves high accuracy and is robust to differences in fault location, transition resistance, fault types, and synchronous angles.https://www.aimspress.com/article/doi/10.3934/energy.2025010fault locationdistribution networktiming erroradditional inductance strategysteady-state information |
| spellingShingle | Weiji Zhou Jun Lin Zekun Long Feifei Liu Mingfei He Research on fault location method for distribution lines based on additional inductance strategy AIMS Energy fault location distribution network timing error additional inductance strategy steady-state information |
| title | Research on fault location method for distribution lines based on additional inductance strategy |
| title_full | Research on fault location method for distribution lines based on additional inductance strategy |
| title_fullStr | Research on fault location method for distribution lines based on additional inductance strategy |
| title_full_unstemmed | Research on fault location method for distribution lines based on additional inductance strategy |
| title_short | Research on fault location method for distribution lines based on additional inductance strategy |
| title_sort | research on fault location method for distribution lines based on additional inductance strategy |
| topic | fault location distribution network timing error additional inductance strategy steady-state information |
| url | https://www.aimspress.com/article/doi/10.3934/energy.2025010 |
| work_keys_str_mv | AT weijizhou researchonfaultlocationmethodfordistributionlinesbasedonadditionalinductancestrategy AT junlin researchonfaultlocationmethodfordistributionlinesbasedonadditionalinductancestrategy AT zekunlong researchonfaultlocationmethodfordistributionlinesbasedonadditionalinductancestrategy AT feifeiliu researchonfaultlocationmethodfordistributionlinesbasedonadditionalinductancestrategy AT mingfeihe researchonfaultlocationmethodfordistributionlinesbasedonadditionalinductancestrategy |