Abstract
This paper aimed at the prospect of an optimized algorithm for Selective Harmonic Elimination (SHE) through a hybrid control mechanism using fmincon and Newton–Raphson iterative method. In search of minimizing the Total Harmonic Distortion (THD), appropriate multi-level sequences and firing angles are used. This technique not only reduces the execution time but also improves the convergence rate. MATLAB simulations confirm that the algorithm is robust and the desired response is achieved within a few iterations for any range of modulation index. PSpice simulation verifies the successful removal of harmonics and confirms THD lies within limits specified by IEEE 519 standard. The implementation of this SHEPWM algorithm will improve the working of cascaded multi-level inverters by increasing their efficiency rate with respect to their speed.
| Original language | English |
|---|---|
| Pages (from-to) | 135-148 |
| Number of pages | 14 |
| Journal | Iranian Journal of Science and Technology - Transactions of Electrical Engineering |
| Volume | 42 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1 Jun 2018 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2018, Shiraz University.
Keywords
- Cascaded multi-level inverters (CMI)
- Harmonics
- MATLAB
- Newton–Raphson (NR)
- PSpice
- Selective Harmonic Elimination (SHE)
- fmincon
ASJC Scopus subject areas
- Signal Processing
- Energy Engineering and Power Technology
- Computer Vision and Pattern Recognition
- Computer Networks and Communications
- Electrical and Electronic Engineering
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