Name
Abstract | ||
|---|---|---|
Three-phase grid-connected inverter with the LCL filter is commonly controlled in synchronous frame in order to independently control active power and reactive power. And proportional-integral controller is usually adopted in synchronous frame to achieve zero steady error of inverter fundamental current. However, d-q axes cross-coupling issue may deteriorate the dynamic and steady-state performance. Moreover, the weak damping characteristic of the LCL filter will lead to resonance issue. Both issues are analyzed by the established complex-vector model of the inverter in this article. A novel multicell network control structure is proposed to address both coupling and resonance problems. To design all parameters of the multicell network controller, a multiple parameter design method is proposed. Moreover, this design method can adapt to weak grid well. Based on the proposed control structure and design method, d-q axes cross-coupling issue can be addressed thoroughly, and the damping performance is also improved obviously. Besides, the excellent steady-state and dynamic performances are realized simultaneously. Finally, the superior performances of the proposed control are verified by simulation and experimental results. |
Year | DOI | Venue |
|---|---|---|
2021 | 10.1109/TIE.2020.2978712 | IEEE Transactions on Industrial Electronics |
Keywords | DocType | Volume |
Control parameters design,decoupling,grid-connected inverter,LCL filter,multicell network control,response performances | Journal | 68 |
Issue | ISSN | Citations |
4 | 0278-0046 | 0 |
PageRank | References | Authors |
0.34 | 0 | 3 |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Peng Li | 1 | 91 | 9.30 |
| Weibiao Wu | 2 | 0 | 0.34 |
| Ke Hu | 3 | 0 | 0.34 |