Novel Fractional-Order Repetitive Controller Based on Thiran IIR Filter for Grid-Connected Inverters
The proportional-integral multi-resonance repetitive controller (PIMR-RC) can track the reference current signal of the grid-connected inverter without static error, suppress low-frequency harmonic disturbance signals, and have a fast dynamic response. However, when the grid frequency fluctuates, th...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IEEE
2022-01-01
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| Series: | IEEE Access |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/9851430/ |
| _version_ | 1798042829320093696 |
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| author | Qiangsong Zhao Hongwei Zhang Yang Gao Shasha Chen Yan Wang |
| author_facet | Qiangsong Zhao Hongwei Zhang Yang Gao Shasha Chen Yan Wang |
| author_sort | Qiangsong Zhao |
| collection | DOAJ |
| description | The proportional-integral multi-resonance repetitive controller (PIMR-RC) can track the reference current signal of the grid-connected inverter without static error, suppress low-frequency harmonic disturbance signals, and have a fast dynamic response. However, when the grid frequency fluctuates, the performance of reference signal tracking and harmonic suppression will decrease. Based on PIMR-RC, this paper proposes a novel fractional-order repetitive controller (NFO-RC) based on the Thiran infinite impulse response (Thiran IIR) filter, which can automatically track the change of grid frequency. Firstly, the frequency domain analysis of PIMR-RC is given. Then, the realization method based on the Thiran IIR filter is designed, and the structure of NFO-RC system is presented. Moreover, the stability and harmonic suppression analysis of NFO-RC system based on Thiran IIR filter are given. Finally, experimental results on a single-phase <italic>LCL</italic> grid-connected inverter verify the excellent harmonic suppression performance of the proposed NFO-RC system under grid frequency fluctuations. |
| first_indexed | 2024-04-11T22:41:04Z |
| format | Article |
| id | doaj.art-ed065b1792284bc3bace1a7733e2afbf |
| institution | Directory Open Access Journal |
| issn | 2169-3536 |
| language | English |
| last_indexed | 2024-04-11T22:41:04Z |
| publishDate | 2022-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj.art-ed065b1792284bc3bace1a7733e2afbf2022-12-22T03:59:00ZengIEEEIEEE Access2169-35362022-01-0110820158202410.1109/ACCESS.2022.31967769851430Novel Fractional-Order Repetitive Controller Based on Thiran IIR Filter for Grid-Connected InvertersQiangsong Zhao0Hongwei Zhang1https://orcid.org/0000-0002-1405-2843Yang Gao2https://orcid.org/0000-0002-3823-2697Shasha Chen3Yan Wang4School of Electronic and Information Engineering, Zhongyuan University of Technology, Zhengzhou, ChinaSchool of Electronic and Information Engineering, Zhongyuan University of Technology, Zhengzhou, ChinaSchool of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, ChinaSchool of Electronic and Information Engineering, Zhongyuan University of Technology, Zhengzhou, ChinaSchool of Electronic and Information Engineering, Zhongyuan University of Technology, Zhengzhou, ChinaThe proportional-integral multi-resonance repetitive controller (PIMR-RC) can track the reference current signal of the grid-connected inverter without static error, suppress low-frequency harmonic disturbance signals, and have a fast dynamic response. However, when the grid frequency fluctuates, the performance of reference signal tracking and harmonic suppression will decrease. Based on PIMR-RC, this paper proposes a novel fractional-order repetitive controller (NFO-RC) based on the Thiran infinite impulse response (Thiran IIR) filter, which can automatically track the change of grid frequency. Firstly, the frequency domain analysis of PIMR-RC is given. Then, the realization method based on the Thiran IIR filter is designed, and the structure of NFO-RC system is presented. Moreover, the stability and harmonic suppression analysis of NFO-RC system based on Thiran IIR filter are given. Finally, experimental results on a single-phase <italic>LCL</italic> grid-connected inverter verify the excellent harmonic suppression performance of the proposed NFO-RC system under grid frequency fluctuations.https://ieeexplore.ieee.org/document/9851430/Grid-connected inverterfractional-order repetitive controlThiran IIR filter |
| spellingShingle | Qiangsong Zhao Hongwei Zhang Yang Gao Shasha Chen Yan Wang Novel Fractional-Order Repetitive Controller Based on Thiran IIR Filter for Grid-Connected Inverters IEEE Access Grid-connected inverter fractional-order repetitive control Thiran IIR filter |
| title | Novel Fractional-Order Repetitive Controller Based on Thiran IIR Filter for Grid-Connected Inverters |
| title_full | Novel Fractional-Order Repetitive Controller Based on Thiran IIR Filter for Grid-Connected Inverters |
| title_fullStr | Novel Fractional-Order Repetitive Controller Based on Thiran IIR Filter for Grid-Connected Inverters |
| title_full_unstemmed | Novel Fractional-Order Repetitive Controller Based on Thiran IIR Filter for Grid-Connected Inverters |
| title_short | Novel Fractional-Order Repetitive Controller Based on Thiran IIR Filter for Grid-Connected Inverters |
| title_sort | novel fractional order repetitive controller based on thiran iir filter for grid connected inverters |
| topic | Grid-connected inverter fractional-order repetitive control Thiran IIR filter |
| url | https://ieeexplore.ieee.org/document/9851430/ |
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