Fault Location Method Using Phasor Measurement Units and Short Circuit Analysis for Power Distribution Networks
This paper proposes a fault location method for power distribution networks using phasor measurement units (PMU) and short circuit analysis. In order to improve the problems of the existing studies, we focused on several approaches as follows. First, in order to minimize the number of PMU installati...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-03-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/13/5/1294 |
| _version_ | 1811185267103498240 |
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| author | Ji-Song Hong Gi-Do Sim Joon-Ho Choi Seon-Ju Ahn Sang-Yun Yun |
| author_facet | Ji-Song Hong Gi-Do Sim Joon-Ho Choi Seon-Ju Ahn Sang-Yun Yun |
| author_sort | Ji-Song Hong |
| collection | DOAJ |
| description | This paper proposes a fault location method for power distribution networks using phasor measurement units (PMU) and short circuit analysis. In order to improve the problems of the existing studies, we focused on several approaches as follows. First, in order to minimize the number of PMU installations, a fault location estimation of lateral feeders through short circuit analysis was presented. Second, unbalanced faults and impacts of photovoltaic (PV) were considered. The proposed method consists of two stages. In Stage 1, the fault location was estimated for the main feeder using PMU installed at the start and end points of the main feeder. Symmetrical components of voltage and current variation were calculated by considering the impact of PVs interconnected to the lateral feeders. If the result of Stage 1 indicated a connection section of lateral feeder on the main feeder, Stage 2 would be performed. In Stage 2, the fault location was estimated for the lateral feeder by comparing the results of the short circuit analysis and measurements of PMUs. The short circuit analysis was based on an unbalanced power flow that considered dynamic characteristics of the PV inverter. The proposed method was verified through various fault situations in a test system. For the applicability of the proposed algorithm to the actual system, a noise test was also performed. |
| first_indexed | 2024-04-11T13:26:33Z |
| format | Article |
| id | doaj.art-3e562c4848f44d728d708a8534befa80 |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T13:26:33Z |
| publishDate | 2020-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-3e562c4848f44d728d708a8534befa802022-12-22T04:22:02ZengMDPI AGEnergies1996-10732020-03-01135129410.3390/en13051294en13051294Fault Location Method Using Phasor Measurement Units and Short Circuit Analysis for Power Distribution NetworksJi-Song Hong0Gi-Do Sim1Joon-Ho Choi2Seon-Ju Ahn3Sang-Yun Yun4Department of Electrical Engineering, Chonnam National University 77, Yongbong-Ro, Buk-Gu, Gwangju 61186, KoreaDepartment of Electrical Engineering, Chonnam National University 77, Yongbong-Ro, Buk-Gu, Gwangju 61186, KoreaDepartment of Electrical Engineering, Chonnam National University 77, Yongbong-Ro, Buk-Gu, Gwangju 61186, KoreaDepartment of Electrical Engineering, Chonnam National University 77, Yongbong-Ro, Buk-Gu, Gwangju 61186, KoreaDepartment of Electrical Engineering, Chonnam National University 77, Yongbong-Ro, Buk-Gu, Gwangju 61186, KoreaThis paper proposes a fault location method for power distribution networks using phasor measurement units (PMU) and short circuit analysis. In order to improve the problems of the existing studies, we focused on several approaches as follows. First, in order to minimize the number of PMU installations, a fault location estimation of lateral feeders through short circuit analysis was presented. Second, unbalanced faults and impacts of photovoltaic (PV) were considered. The proposed method consists of two stages. In Stage 1, the fault location was estimated for the main feeder using PMU installed at the start and end points of the main feeder. Symmetrical components of voltage and current variation were calculated by considering the impact of PVs interconnected to the lateral feeders. If the result of Stage 1 indicated a connection section of lateral feeder on the main feeder, Stage 2 would be performed. In Stage 2, the fault location was estimated for the lateral feeder by comparing the results of the short circuit analysis and measurements of PMUs. The short circuit analysis was based on an unbalanced power flow that considered dynamic characteristics of the PV inverter. The proposed method was verified through various fault situations in a test system. For the applicability of the proposed algorithm to the actual system, a noise test was also performed.https://www.mdpi.com/1996-1073/13/5/1294fault location estimationphasor measurement unit2-stage methodflisrshort circuit analysisunbalanced power flow |
| spellingShingle | Ji-Song Hong Gi-Do Sim Joon-Ho Choi Seon-Ju Ahn Sang-Yun Yun Fault Location Method Using Phasor Measurement Units and Short Circuit Analysis for Power Distribution Networks Energies fault location estimation phasor measurement unit 2-stage method flisr short circuit analysis unbalanced power flow |
| title | Fault Location Method Using Phasor Measurement Units and Short Circuit Analysis for Power Distribution Networks |
| title_full | Fault Location Method Using Phasor Measurement Units and Short Circuit Analysis for Power Distribution Networks |
| title_fullStr | Fault Location Method Using Phasor Measurement Units and Short Circuit Analysis for Power Distribution Networks |
| title_full_unstemmed | Fault Location Method Using Phasor Measurement Units and Short Circuit Analysis for Power Distribution Networks |
| title_short | Fault Location Method Using Phasor Measurement Units and Short Circuit Analysis for Power Distribution Networks |
| title_sort | fault location method using phasor measurement units and short circuit analysis for power distribution networks |
| topic | fault location estimation phasor measurement unit 2-stage method flisr short circuit analysis unbalanced power flow |
| url | https://www.mdpi.com/1996-1073/13/5/1294 |
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