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| Content Provider | IET Digital Library |
|---|---|
| Author | Li, Bingzhang Huang, Shenghua Chen, Xi Wan, Shanming |
| Abstract | Designing the dq-frame current regulator for single-phase voltage-source inverters is a very challenging task. Since only one real current signal exists in the circuit, an orthogonal signal generation (OSG) block is required to generate the virtual orthogonal signal. Thus, ac variables can be turned into equivalent dc quantities through an αβ/dq transformation. However, the OSG block makes the control system complex and introduces an extra transient disturbance. Consequently, the dynamic performance is deteriorated. In this study, the reference-current-based OSG method is analysed thoroughly. Based on this structure, the dq-axes decoupling control, which is widely discussed for three-phase systems and usually neglected for single-phase systems, is studied. Two decoupling techniques, i.e. the reference-current feed-forward control and the quasi-complex vector proportional–integrator control, are implemented and analysed. The proposed theories and control schemes are evaluated by experimental results. |
| Starting Page | 1537 |
| Ending Page | 1546 |
| Page Count | 10 |
| ISSN | 17554535 |
| Volume Number | 11 |
| e-ISSN | 17554543 |
| Issue Number | Issue 9, Aug (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/11/9 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2017.0747 |
| Journal | IET Power Electronics |
| Publisher Date | 2018-03-05 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Control of Electric Power System Control Scheme Control System Complex Current Control Current Signal Dq Current Control Dq Transformation Electric Current Control Feedforward Frame Current Regulator Invertors Orthogonal Signal Generation Block OSG Block OSG Method PI Control Power Converter Power Supplies to Apparatus Quasicomplex Vector Proportional–integrator Control Reference-current Feed-forward Control Single-phase System Single-phase Voltage-source Inverter Three-phase System Virtual Orthogonal Signal |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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