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| Content Provider | IET Digital Library |
|---|---|
| Author | Zhu, Chong Zeng, Zhiyong Zhao, Rongxiang |
| Abstract | The DC-link voltage offset in three-phase four-switch (TPFS) inverter-fed permanent magnet synchronous motor (PMSM) drives deteriorates the linear modulation range severely, restricting the performance and adjustable speed range of the PMSM. An adaptive control method is proposed in this Letter to suppress the DC-link voltage offset in TPFS inverter-fed PMSM drives. By investigating the effects of four basic voltage vectors on the voltage offset, the proper compensating vectors, whose duration times are obtained by the closed-loop control, are added in each control period. Moreover, an adaptive notch filter is proposed to extract the offset component, providing excellent dynamic and steady performances even at extremely low rotor speed. Experimental results demonstrate the superiority of the proposed adaptive suppression method compared with previous methods. |
| Starting Page | 1442 |
| Ending Page | 1444 |
| Page Count | 3 |
| ISSN | 00135194 |
| Volume Number | 52 |
| e-ISSN | 1350911X |
| Issue Number | Issue 17, Aug (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/52/17 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2016.2048 |
| Journal | Electronics Letters |
| Publisher Date | 2016-08-02 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Adaptive Control Adaptive Control Method Adaptive Filter Adaptive Notch Filter Adaptive Suppression Method Adjustable Speed Range Closed Loop System Closed-loop Control System Compensating Vector Control of Electric Power System DC-link Voltage Offset Suppression Drive Invertors Linear Modulation Range Machine Vector Control Notch Filter Permanent Magnet Motors Rotor Speed Rotors Self Adjusting Control System Synchronous Machine Synchronous Motor Drive Three-phase Four-switch Inverter-fed PMSM Drive TPFS Inverter-fed Permanent Magnet Synchronous Motor Drive Voltage Vector |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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