LCL-resonance damping strategies for grid-connected inverters with LCL filters: a comprehensive review
Abstract Grid-connected LCL-filtered inverters are commonly used for distributed power generators. The LCL resonance should be treated properly. Recently, many strategies have been used to damp the resonance, but the relationships between different damping strategies have not been thoroughly investi...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
IEEE
2017-09-01
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| Series: | Journal of Modern Power Systems and Clean Energy |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1007/s40565-017-0319-7 |
| _version_ | 1819087526433914880 |
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| author | Jinming XU Shaojun XIE |
| author_facet | Jinming XU Shaojun XIE |
| author_sort | Jinming XU |
| collection | DOAJ |
| description | Abstract Grid-connected LCL-filtered inverters are commonly used for distributed power generators. The LCL resonance should be treated properly. Recently, many strategies have been used to damp the resonance, but the relationships between different damping strategies have not been thoroughly investigated. Thus, this study analyses the essential mechanisms of LCL-resonance damping and reviews state-of-the-art resonance damping strategies. Existing resonance damping strategies are classified into those with single-state and multi-state feedback. Single-state feedback strategies damp the LCL resonance using feedback of a voltage or current state at the resonance frequency. Multi-state feedback strategies are summarized as zero-placement and pole-placement strategies, where the zero-placement strategy configures the zeros of a novel state combined by multi-state feedback, while the pole-placement strategy aims to assign the closed-loop poles freely. Based on these mechanisms, an investigation of single-state and multi-state feedback is presented, including detailed comparisons of the existing strategies. Finally, some future research directions that can improve LCL-filtered inverter performance and minimize their implementation costs are summarized. |
| first_indexed | 2024-12-21T21:37:33Z |
| format | Article |
| id | doaj.art-b2d44b7be2924478a519ce3cf87ca027 |
| institution | Directory Open Access Journal |
| issn | 2196-5625 2196-5420 |
| language | English |
| last_indexed | 2024-12-21T21:37:33Z |
| publishDate | 2017-09-01 |
| publisher | IEEE |
| record_format | Article |
| series | Journal of Modern Power Systems and Clean Energy |
| spelling | doaj.art-b2d44b7be2924478a519ce3cf87ca0272022-12-21T18:49:26ZengIEEEJournal of Modern Power Systems and Clean Energy2196-56252196-54202017-09-016229230510.1007/s40565-017-0319-7LCL-resonance damping strategies for grid-connected inverters with LCL filters: a comprehensive reviewJinming XU0Shaojun XIE1College of Automation Engineering, Nanjing University of Aeronautics and AstronauticsCollege of Automation Engineering, Nanjing University of Aeronautics and AstronauticsAbstract Grid-connected LCL-filtered inverters are commonly used for distributed power generators. The LCL resonance should be treated properly. Recently, many strategies have been used to damp the resonance, but the relationships between different damping strategies have not been thoroughly investigated. Thus, this study analyses the essential mechanisms of LCL-resonance damping and reviews state-of-the-art resonance damping strategies. Existing resonance damping strategies are classified into those with single-state and multi-state feedback. Single-state feedback strategies damp the LCL resonance using feedback of a voltage or current state at the resonance frequency. Multi-state feedback strategies are summarized as zero-placement and pole-placement strategies, where the zero-placement strategy configures the zeros of a novel state combined by multi-state feedback, while the pole-placement strategy aims to assign the closed-loop poles freely. Based on these mechanisms, an investigation of single-state and multi-state feedback is presented, including detailed comparisons of the existing strategies. Finally, some future research directions that can improve LCL-filtered inverter performance and minimize their implementation costs are summarized.http://link.springer.com/article/10.1007/s40565-017-0319-7LCL filterGrid-connected inverterResonance dampingState feedbackInvestigation |
| spellingShingle | Jinming XU Shaojun XIE LCL-resonance damping strategies for grid-connected inverters with LCL filters: a comprehensive review Journal of Modern Power Systems and Clean Energy LCL filter Grid-connected inverter Resonance damping State feedback Investigation |
| title | LCL-resonance damping strategies for grid-connected inverters with LCL filters: a comprehensive review |
| title_full | LCL-resonance damping strategies for grid-connected inverters with LCL filters: a comprehensive review |
| title_fullStr | LCL-resonance damping strategies for grid-connected inverters with LCL filters: a comprehensive review |
| title_full_unstemmed | LCL-resonance damping strategies for grid-connected inverters with LCL filters: a comprehensive review |
| title_short | LCL-resonance damping strategies for grid-connected inverters with LCL filters: a comprehensive review |
| title_sort | lcl resonance damping strategies for grid connected inverters with lcl filters a comprehensive review |
| topic | LCL filter Grid-connected inverter Resonance damping State feedback Investigation |
| url | http://link.springer.com/article/10.1007/s40565-017-0319-7 |
| work_keys_str_mv | AT jinmingxu lclresonancedampingstrategiesforgridconnectedinverterswithlclfiltersacomprehensivereview AT shaojunxie lclresonancedampingstrategiesforgridconnectedinverterswithlclfiltersacomprehensivereview |