Corrective Control by Line Switching for Relieving Voltage Violations Based on A Three-Stage Methodology
An online line switching methodology to relieve voltage violations is proposed. This novel online methodology is based on a three-stage strategy, including screening, ranking, and detailed analysis and assessment stages for high speed (online application) and accuracy. The proposed online methodolog...
| 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 |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1073/12/7/1206 |
| _version_ | 1818013516223741952 |
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| author | Zhengwei Shen Yong Tang Jun Yi Changsheng Chen Bing Zhao Guangru Zhang |
| author_facet | Zhengwei Shen Yong Tang Jun Yi Changsheng Chen Bing Zhao Guangru Zhang |
| author_sort | Zhengwei Shen |
| collection | DOAJ |
| description | An online line switching methodology to relieve voltage violations is proposed. This novel online methodology is based on a three-stage strategy, including screening, ranking, and detailed analysis and assessment stages for high speed (online application) and accuracy. The proposed online methodology performs the tasks of rapidly identifying effective candidate lines, ranking the effective candidates, performing detailed analysis of the top ranked candidates, and supplying a set of solutions for the power system. The post-switching power systems, after executing the proposed line switching action, meet the operational and engineering constraints. The results provided by the exact Alternating Current (AC) power flow are used as a benchmark to compare the speed and accuracy of the proposed three-stage methodology. One feature of the methodology is that it can provide a set of high-quality switching solutions from which operators may choose a preferred solution. The effectiveness of the proposed online line switching methodology in providing single-line switching and multiple-line switching solutions to relieve voltage violations is evaluated on the IEEE 39-bus and 2746-bus power system. The CPU time of the proposed methodology compared with that under AC power flow constitutes a speed-up of 9905.32% on a 2746-bus power system, showing good potential for online application in a large-scale power system. |
| first_indexed | 2024-04-14T06:34:11Z |
| format | Article |
| id | doaj.art-f9686c59b29941ad9f41a61e0cef5c0a |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-14T06:34:11Z |
| publishDate | 2019-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-f9686c59b29941ad9f41a61e0cef5c0a2022-12-22T02:07:32ZengMDPI AGEnergies1996-10732019-03-01127120610.3390/en12071206en12071206Corrective Control by Line Switching for Relieving Voltage Violations Based on A Three-Stage MethodologyZhengwei Shen0Yong Tang1Jun Yi2Changsheng Chen3Bing Zhao4Guangru Zhang5School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, ChinaState Key Laboratory of Power Grid Security and Energy Conservation, China Electric Power Research Institute, Haidian District, Beijing 100192, ChinaState Key Laboratory of Power Grid Security and Energy Conservation, China Electric Power Research Institute, Haidian District, Beijing 100192, ChinaState Key Laboratory of Power Grid Security and Energy Conservation, China Electric Power Research Institute, Haidian District, Beijing 100192, ChinaState Key Laboratory of Power Grid Security and Energy Conservation, China Electric Power Research Institute, Haidian District, Beijing 100192, ChinaDepartment of Power Supply Technology Center, State Grid Gansu Electric Power Research Institute, Lanzhou 730070, Gansu Province, ChinaAn online line switching methodology to relieve voltage violations is proposed. This novel online methodology is based on a three-stage strategy, including screening, ranking, and detailed analysis and assessment stages for high speed (online application) and accuracy. The proposed online methodology performs the tasks of rapidly identifying effective candidate lines, ranking the effective candidates, performing detailed analysis of the top ranked candidates, and supplying a set of solutions for the power system. The post-switching power systems, after executing the proposed line switching action, meet the operational and engineering constraints. The results provided by the exact Alternating Current (AC) power flow are used as a benchmark to compare the speed and accuracy of the proposed three-stage methodology. One feature of the methodology is that it can provide a set of high-quality switching solutions from which operators may choose a preferred solution. The effectiveness of the proposed online line switching methodology in providing single-line switching and multiple-line switching solutions to relieve voltage violations is evaluated on the IEEE 39-bus and 2746-bus power system. The CPU time of the proposed methodology compared with that under AC power flow constitutes a speed-up of 9905.32% on a 2746-bus power system, showing good potential for online application in a large-scale power system.https://www.mdpi.com/1996-1073/12/7/1206line switchingvoltage violationsthree-stage |
| spellingShingle | Zhengwei Shen Yong Tang Jun Yi Changsheng Chen Bing Zhao Guangru Zhang Corrective Control by Line Switching for Relieving Voltage Violations Based on A Three-Stage Methodology Energies line switching voltage violations three-stage |
| title | Corrective Control by Line Switching for Relieving Voltage Violations Based on A Three-Stage Methodology |
| title_full | Corrective Control by Line Switching for Relieving Voltage Violations Based on A Three-Stage Methodology |
| title_fullStr | Corrective Control by Line Switching for Relieving Voltage Violations Based on A Three-Stage Methodology |
| title_full_unstemmed | Corrective Control by Line Switching for Relieving Voltage Violations Based on A Three-Stage Methodology |
| title_short | Corrective Control by Line Switching for Relieving Voltage Violations Based on A Three-Stage Methodology |
| title_sort | corrective control by line switching for relieving voltage violations based on a three stage methodology |
| topic | line switching voltage violations three-stage |
| url | https://www.mdpi.com/1996-1073/12/7/1206 |
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