Results 131 to 140 of about 514 (145)
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SHEPWM for Closed-control of AC Machine
2023 IEEE 6th International Electrical and Energy Conference (CIEEC), 2023Qishuai Wang +3 more
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Real solution number of the nonlinear equations in the SHEPWM technology
2010 International Conference on Intelligent Control and Information Processing, 2010This paper studied the real solution number of the switch angles for the inverters which are based on the Selective Harmonic Eliminated PWM (SHEPWM) technology. By the method of variable substitution, the nonlinear transcendental equations can be transformed to a Semi-Algebraic system.
Kehu Yang +4 more
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Application of Firefly Algorithm on the SHEPWM strategy for the multilevel inverters
2014 International Conference on Electrical Sciences and Technologies in Maghreb (CISTEM), 2014The aim of this article is the application of a new Metaheuristic algorithm (Firefly Algorithm) for solving a nonlinear algebraic system where the resolution is needed to study the Selective Harmonic Eliminated PWM strategy (SHEPWM); this strategy is applied to multilevel inverters. The Firefly Algorithm (FA), proposed by Xin-She Yang at the University
N. Ould Cherchali +4 more
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Analysis and optimization of SHEPWM method applied in three-level ANPC converter
2015 IEEE 10th Conference on Industrial Electronics and Applications (ICIEA), 2015By analyze the loss distribution between different output state in three-level active neutral point clamped converter, a method to optimize the loss distribution between power semiconductors with SHEPWM is presented in this paper. Dividing 6 power semiconductors in each phase into 3 groups, this method ensure the losses between groups are equally ...
Wenjuan Zhang, Zhigang Zhang
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Three-Phase Partial Power Control Converter Based on SHEPWM
2023 IEEE 2nd International Power Electronics and Application Symposium (PEAS), 2023Wei Zhao +5 more
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Performance Analysis of SHEPWM Based on GA and PSO for CMLI
2019Multilevel inverters are gaining much greater attention lately as a result of increasing demand for high power inverter units in the industrial applications. Reduction of harmonics and minimizing the THD from the MLI output is considered as a very important task in order to achieve the better performance and to prevent the device from getting damaged ...
B. R. Vishwanath, P. S. Puttaswamy
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Study of Five-Level Inverter SHEPWM Control Technology Based on Walsh Function
Advanced Materials Research, 2014SHEPWM technique applicable to multi-level voltage inverter via Walsh function can be solved by linear equations instead of nonlinear transcendental equations. This method don't need a large number of initial values, it’s suitable for online calculation because of its advantages such as high speed calculation and high-accuracy.
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A SHEPWM Technique With Constant v/f for Multilevel Inverters
2005This paper concern on a new application of selected harmonic elimination pulse width modulation technique (SHEPWM) for multilevel inverters. In this paper, first, the switching angles are calculated using constrained optimization technique. With these switching angles both the fundamental harmonic can be controlled and the selected harmonics can be ...
TUNCER, Servet +2 more
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Efficient control of three-phase cascaded multilevel Z-Source inverter using SHEPWM technique
STUDIES IN ENGINEERING AND EXACT SCIENCESThis paper presents an enhanced control strategy for three-phase cascaded multilevel Z-source inverters, focusing on the implementation of Selective Harmonic Elimination Pulse Width Modulation (SHEPWM) techniques to improve efficiency. Z-source inverters are gaining prominence in various applications due to their inherent advantages, such as increased ...
Benyoucef Kaddour +3 more
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İki-Seviyeli SHEPWM İnverter için Genetik Algoritma Kullanılarak Anahtarlama Açılarının Belirlenmesi
2015Seçilen Harmoniklerin Eliminasyonu (SHE) darbe genişlik modülasyon (PWM) tekniği, lineer olmayan denklem takımlarının çözülerek en uygun anahtarlama açılarının belirlenmesi ve gerçek-zamanlı uygulamalarda anahtarlama zamanlarının depolandığı bir bakma-tablosu gerektirir.
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