Research and Application of a Parameter Adaptive Enhanced Single-phase Phase-locked Loop
In a railway traction power supply system, there are problems of network voltage distortion such as frequency / phase mutation, amplitude drop, harmonic pollution and so on. Traditional single-phase PLL has shortcomings in dynamic response speed and response to such abnormal network conditions. It i...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Control and Information Technology
2021-01-01
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| Series: | Kongzhi Yu Xinxi Jishu |
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| Online Access: | http://ctet.csrzic.com/thesisDetails#10.13889/j.issn.2096-5427.2021.01.007 |
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| _version_ | 1849224803628613632 |
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| author | CHEN Xin HU Jingyu PENG Yun FU Gang |
| author_facet | CHEN Xin HU Jingyu PENG Yun FU Gang |
| author_sort | CHEN Xin |
| collection | DOAJ |
| description | In a railway traction power supply system, there are problems of network voltage distortion such as frequency / phase mutation, amplitude drop, harmonic pollution and so on. Traditional single-phase PLL has shortcomings in dynamic response speed and response to such abnormal network conditions. It is unable to meet the real-time control requirements of four-quadrant converter for locomotive and EMU. Therefore, a parameter-adaptive enhanced phase-locked loop method is proposed in this paper. This method uses an adaptive control strategy to adaptively adjust the gain coefficient to improve the frequency transient disturbance caused by phase jumps. Compared with the traditional phase-locked loop, it has good adaptability to abnormal power grid environment, and has a good dynamic performance in capturing the phase of the grid quickly and accurately. Finally, the validity and feasibility of the new phase-locked loop method are verified by simulation and experiment. |
| format | Article |
| id | doaj-art-7cda67ba858f4c5cb04df43bddefc8b2 |
| institution | Kabale University |
| issn | 2096-5427 |
| language | zho |
| publishDate | 2021-01-01 |
| publisher | Editorial Office of Control and Information Technology |
| record_format | Article |
| series | Kongzhi Yu Xinxi Jishu |
| spelling | doaj-art-7cda67ba858f4c5cb04df43bddefc8b22025-08-25T06:53:13ZzhoEditorial Office of Control and Information TechnologyKongzhi Yu Xinxi Jishu2096-54272021-01-0138394582320263Research and Application of a Parameter Adaptive Enhanced Single-phase Phase-locked LoopCHEN XinHU JingyuPENG YunFU GangIn a railway traction power supply system, there are problems of network voltage distortion such as frequency / phase mutation, amplitude drop, harmonic pollution and so on. Traditional single-phase PLL has shortcomings in dynamic response speed and response to such abnormal network conditions. It is unable to meet the real-time control requirements of four-quadrant converter for locomotive and EMU. Therefore, a parameter-adaptive enhanced phase-locked loop method is proposed in this paper. This method uses an adaptive control strategy to adaptively adjust the gain coefficient to improve the frequency transient disturbance caused by phase jumps. Compared with the traditional phase-locked loop, it has good adaptability to abnormal power grid environment, and has a good dynamic performance in capturing the phase of the grid quickly and accurately. Finally, the validity and feasibility of the new phase-locked loop method are verified by simulation and experiment.http://ctet.csrzic.com/thesisDetails#10.13889/j.issn.2096-5427.2021.01.007traction power supply networkfour-quadrantsingle-phaseenhance phase-locked loopadaptive |
| spellingShingle | CHEN Xin HU Jingyu PENG Yun FU Gang Research and Application of a Parameter Adaptive Enhanced Single-phase Phase-locked Loop Kongzhi Yu Xinxi Jishu traction power supply network four-quadrant single-phase enhance phase-locked loop adaptive |
| title | Research and Application of a Parameter Adaptive Enhanced Single-phase Phase-locked Loop |
| title_full | Research and Application of a Parameter Adaptive Enhanced Single-phase Phase-locked Loop |
| title_fullStr | Research and Application of a Parameter Adaptive Enhanced Single-phase Phase-locked Loop |
| title_full_unstemmed | Research and Application of a Parameter Adaptive Enhanced Single-phase Phase-locked Loop |
| title_short | Research and Application of a Parameter Adaptive Enhanced Single-phase Phase-locked Loop |
| title_sort | research and application of a parameter adaptive enhanced single phase phase locked loop |
| topic | traction power supply network four-quadrant single-phase enhance phase-locked loop adaptive |
| url | http://ctet.csrzic.com/thesisDetails#10.13889/j.issn.2096-5427.2021.01.007 |
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