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| Content Provider | IET Digital Library |
|---|---|
| Author | Zheng, Chen Liu, Yajuan Li, Qionglin Liu, Shuming Zhang, Bo Wang, Yi Mao, Mingxuan |
| Abstract | To characterise the grid-connected inverter with strong robustness against grid impedance, this study proposes an integrated design approach of LCL-type filter and controller parameters. In the approach, the inherent relation between LCL-type filter and controller in regarding to inverter robustness is revealed and utilised to realise the optimised match between LCL-type-filter parameters and controller parameters. To facilitate the analysis of stability and robustness, a parameter normalisation scheme is also proposed. With the scheme, relevant normalisation parameters can be designed succinctly according to the required stability and robustness. Additionally, the LCL-type parameter and controller parameter can be achieved immediately by restoring normalisation parameters. Based on the approach parameter constraints and design guidelines for robust grid-connected inverter design are also derived in the study to facilitate its application in practice. The proposed inverter design method can guarantee the inverter stability and robustness simultaneously without needing the complicated iterative computations, which cannot be avoided for conventional design methods. Simulation and experimental results are presented to validate the performance and demonstrate the merits of the integrated design method. |
| Starting Page | 3295 |
| Ending Page | 3305 |
| Page Count | 11 |
| ISSN | 17554535 |
| Volume Number | 12 |
| e-ISSN | 17554543 |
| Issue Number | Issue 12, Oct (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/12/12 |
| Journal | IET Power Electronics |
| Publisher Date | 2019-08-09 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Control of Electric Power System Controller Parameter Conventional Design Method Current Control Current Controller Design GuideLine Electric Current Control Filtering Method in Signal Processing Filtering Theory Grid Impedance Integrated Design Approach Integrated Design Method Inverter Adaptability Inverter Design Method Inverter Robustness Inverter Stability Invertors LCL Filter LCL-filter Parameter Normalisation Parameter Parameter Constraint Parameter Normalisation Scheme Power Converter Power Grid Power Supplies to Apparatus Robust Grid-connected Inverter Design Signal Processing Theory Strong Robustness |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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