Abstract
Since the solution to switching angles for selective harmonic elimination inverter is difficult, a method of solution to switching angles based on complex optimal method with constrain conditions was presented, and the design method of objective function and constrain conditions was analyzed. This method enlarges the range of initial switching angles, only considering constrain conditions. It is more reliable compared with solving nonlinear transcendental equations, there is no divergence or singular problem. The narrow pulse is eliminated through restricting constrain conditions in the process of solving switching angles. The optimization for switching angles is available though designing objective function and weighted factor. The results of calculation and experiment show that the method of solving switching angles proposed is correctness and validity.
| Original language | English |
|---|---|
| Pages (from-to) | 1028-1031 |
| Number of pages | 4 |
| Journal | Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics |
| Volume | 34 |
| Issue number | 9 |
| State | Published - Sep 2008 |
Keywords
- Complex optimal method
- Inverter
- Nonlinear transcendental equations
- Selective harmonic elimination
- Switching angle
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