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| Content Provider | IET Digital Library |
|---|---|
| Author | Aghdam, Ghasem Hosseini |
| Abstract | This study develops a pulse-width modulation (PWM) method that is referred the optimised active harmonic elimination (AHE) technique to eliminate more harmonics with minimum switching frequency for three-level T-type converter (3 L-T2C) based on the fundamental frequency switching control method. First, Homotopy algorithm is applied to non-linear transcendental equations to eliminate low-order harmonics and to determine switching angle sets for selective harmonic elimination PWM in 3 L-T2C. The characteristics of the multiple solutions in terms of harmonic distribution, and total harmonic distortion (THD) are investigated. Then a detailed analysis of optimised AHE-PWM technique is presented to cancel more harmonics in 3 L-T2C using harmonic compensation strategy. A switching angle solution set that gives the lowest THD for optimised AHE-PWM is derived and the effectiveness of the control method is verified through extensive simulation studies. Finally, selected experimental results are reported to verify and validate the theoretical and simulation findings. |
| Starting Page | 425 |
| Ending Page | 433 |
| Page Count | 9 |
| ISSN | 17554535 |
| Volume Number | 6 |
| e-ISSN | 17554543 |
| Issue Number | Issue 3, Mar (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/6/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2012.0492 |
| Journal | IET Power Electronics |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Compensation Frequency Control Fundamental Frequency Switching Control Method Harmonic Compensation Strategy Harmonic Distortion Harmonic Distribution Harmonics Suppression Homotopy Algorithm Low-order Harmonics Elimination Mathematical Analysis Nonlinear Equation Nonlinear Transcendental Equation Optimised Active Harmonic Elimination Technique Optimised AHE-PWM Technique Power Electronics Power Supply Pulse-width Modulation Method PWM Invertors PWM Method Supervisory Circuit Switching Angle Sets Switching Circuit THD Three-level T-type Inverter Time Varying Control System Time Varying System Total Harmonic Distortion |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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