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| Content Provider | IET Digital Library |
|---|---|
| Author | Zhu, Rongwu Wu, Xiaojie Tang, Yi |
| Abstract | In this study, a duty cycle-based space-vector pulse-width modulation (SVPWM) with overmodulation and capacitor voltage balance control for three-phase three-level neutral-point clamped (NPC) inverters is presented. On the basis of simple linear calculations of three-phase reference voltages, the proposed SVPWM can be derived, which avoids the trigonometry operation required by the conventional SVPWM. The modulation region can also be smoothly extended from the linear region to the overmodulation region through re-synthesising the three-phase reference voltages. This avoids the conventional non-linear function and look-up table. The neutral-point voltage balancing control is achieved via changing the duty cycle of the redundant small vectors in each switching period, which can be easily embedded into the proposed duty cycle-based SVPWM. The dynamic and steady-state performances of the proposed SVPWM are eventually verified by both simulation and experimental results. |
| Starting Page | 1931 |
| Ending Page | 1940 |
| Page Count | 10 |
| ISSN | 17554535 |
| Volume Number | 8 |
| e-ISSN | 17554543 |
| Issue Number | Issue 10, Oct (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/8/10 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2014.0721 |
| Journal | IET Power Electronics |
| Publisher Date | 2015-06-23 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Algebra Capacitor Voltage Balance Control Control of Electric Power System Duty Cycle-based SVPWM Duty Cycle-based Three-level Space-vector Pulse-width Modulation Dynamic Performance Linear Calculations Linear Region Modulation Region Neutral-point Balancing Capabilities Neutral-point Voltage Balancing Control Other Power Apparatus And Electric Machine Overmodulation Region Power Capacitor PWM Invertors Redundant Small Vector Steady-state Performance Switching Period Three-phase Neutral-point Clamped Inverter Three-phase Reference Voltage Resynthesis Vector Voltage Control |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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