Abstract
The principle of a novel PWM technique based on optimal pulse pattern with unsymmetrical switching angles (OPUS) for high power inverters is introduced, to explain how a specific harmonic is controlled by its amplitude and phase angle with low switching frequency by OPUS technique. Then the output voltage of a voltage source inverter (VSI) is controlled by OPUS technique, and the principle of a simulation case for a three-level parallel compensator in power grid and the method of compensated current control are illuminated. The simulation results illustrate a good performance of the harmonics compensation. The OPUS technique is further validated by FFT analysis.
| Original language | English |
|---|---|
| Pages (from-to) | 121-126 |
| Number of pages | 6 |
| Journal | Diangong Jishu Xuebao/Transactions of China Electrotechnical Society |
| Volume | 22 |
| Issue number | SUPPL. 1 |
| Publication status | Published - Dec 2007 |
| Externally published | Yes |
Keywords
- Flexible alternative transmission systems
- Optimal pulse pattern
- Pulse width modulation
- Voltage source inverter
ASJC Scopus subject areas
- Electrical and Electronic Engineering