The Optimization of Mechanical Phase-Shifting Transformer Tap Positions Based on an Open-Loop and Closed-Loop Hybrid Strategy
Phase-shifting transformers play a crucial role in power grid stability and efficiency. They adjust phase differences between loads, improve transmission efficiency, and balance loads during large-scale power transmission and grid integration. However, traditional mechanical phase-shifting transform...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-07-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/18/14/3699 |
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| author | Jinjiao Lin Jingyan Du Shi Chen Xinying Wang Haodong Long Chuyang Wang |
| author_facet | Jinjiao Lin Jingyan Du Shi Chen Xinying Wang Haodong Long Chuyang Wang |
| author_sort | Jinjiao Lin |
| collection | DOAJ |
| description | Phase-shifting transformers play a crucial role in power grid stability and efficiency. They adjust phase differences between loads, improve transmission efficiency, and balance loads during large-scale power transmission and grid integration. However, traditional mechanical phase-shifting transformers use fixed-tap designs with limited taps, preventing continuous and precise adjustments. This discrete adjustment method affects control accuracy and optimal tap position selection for proper power flow. This paper proposes a hybrid open-loop and closed-loop control strategy. This strategy maintains the phase-shifting transformer at its optimal tap position, enhancing system regulation precision and control effectiveness. |
| format | Article |
| id | doaj-art-74531336c1ee44eb8f5f6b5e7cd48e7d |
| institution | Kabale University |
| issn | 1996-1073 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj-art-74531336c1ee44eb8f5f6b5e7cd48e7d2025-08-20T03:36:19ZengMDPI AGEnergies1996-10732025-07-011814369910.3390/en18143699The Optimization of Mechanical Phase-Shifting Transformer Tap Positions Based on an Open-Loop and Closed-Loop Hybrid StrategyJinjiao Lin0Jingyan Du1Shi Chen2Xinying Wang3Haodong Long4Chuyang Wang5State Grid Jiangsu Electric Power Co., Ltd., Research Institute, Nanjing 211103, ChinaSchool of Electrical and Power Engineering, Hohai University, Nanjing 211100, ChinaState Grid Jiangsu Electric Power Co., Ltd., Research Institute, Nanjing 211103, ChinaSchool of Electrical and Power Engineering, Hohai University, Nanjing 211100, ChinaSchool of Electrical and Power Engineering, Hohai University, Nanjing 211100, ChinaSchool of Electrical and Power Engineering, Hohai University, Nanjing 211100, ChinaPhase-shifting transformers play a crucial role in power grid stability and efficiency. They adjust phase differences between loads, improve transmission efficiency, and balance loads during large-scale power transmission and grid integration. However, traditional mechanical phase-shifting transformers use fixed-tap designs with limited taps, preventing continuous and precise adjustments. This discrete adjustment method affects control accuracy and optimal tap position selection for proper power flow. This paper proposes a hybrid open-loop and closed-loop control strategy. This strategy maintains the phase-shifting transformer at its optimal tap position, enhancing system regulation precision and control effectiveness.https://www.mdpi.com/1996-1073/18/14/3699mechanical phase-shifting transformertap position optimizationpower transmission efficiencyclosed-loop controlpower systems |
| spellingShingle | Jinjiao Lin Jingyan Du Shi Chen Xinying Wang Haodong Long Chuyang Wang The Optimization of Mechanical Phase-Shifting Transformer Tap Positions Based on an Open-Loop and Closed-Loop Hybrid Strategy Energies mechanical phase-shifting transformer tap position optimization power transmission efficiency closed-loop control power systems |
| title | The Optimization of Mechanical Phase-Shifting Transformer Tap Positions Based on an Open-Loop and Closed-Loop Hybrid Strategy |
| title_full | The Optimization of Mechanical Phase-Shifting Transformer Tap Positions Based on an Open-Loop and Closed-Loop Hybrid Strategy |
| title_fullStr | The Optimization of Mechanical Phase-Shifting Transformer Tap Positions Based on an Open-Loop and Closed-Loop Hybrid Strategy |
| title_full_unstemmed | The Optimization of Mechanical Phase-Shifting Transformer Tap Positions Based on an Open-Loop and Closed-Loop Hybrid Strategy |
| title_short | The Optimization of Mechanical Phase-Shifting Transformer Tap Positions Based on an Open-Loop and Closed-Loop Hybrid Strategy |
| title_sort | optimization of mechanical phase shifting transformer tap positions based on an open loop and closed loop hybrid strategy |
| topic | mechanical phase-shifting transformer tap position optimization power transmission efficiency closed-loop control power systems |
| url | https://www.mdpi.com/1996-1073/18/14/3699 |
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