A Five Level NPC Inverter Controlled by Using SHEPWM Strategy [PDF]
Advances in Electrical and Electronic Engineering, 2011 The object of this paper is to analyse the behavior and the performances of a three-phase induction machine supplied with a five level neutral-point-clamped (NPC) inverter controlled by Selective Harmonic Eliminated Pulse-Width Modulation Technique ...
Mohamed Seghir Boucherit
exaly +7 more sources
Modulation optimization method for seven-level SHEPWM inverter based on EPSO algorithm [PDF]
Scientific ReportsSelective Harmonic Elimination Pulse Width Modulation (SHEPWM) has excellent harmonic characteristics, but its nonlinear transcendental system of equations is difficult to be solved, and the practical application encounters a bottleneck. In this paper, a
Renzheng Wang +4 more
doaj +4 more sources
A strategy for improving the SHEPWM commutation speed of CSI through hybrid switches
Frontiers in Energy Research, 2023 High-power current source inverters (CSI) usually operate at a low switching frequency to reduce switching loss. To suppress low-order harmonics and simplify filter design, the selective harmonic elimination pulse width modulation (SHEPWM) technique is a
Weiqi Wang +4 more
doaj +3 more sources
Multiband SHEPWM Control Technology Based on Walsh Functions [PDF]
Electronics, 2020 The drawback of modulation ratio limitation in selective harmonic elimination pulse width modulation (SHEPWM) technology based on Walsh function transformation. In order to solve this problem, a multiband SHEPWM control technology method for a multilevel inverter based on Walsh functions is proposed.
Song Li +4 more
openaire +2 more sources
Design of modified long short-term memory-based zebra optimization algorithm for limiting the issue of SHEPWM in multi-level inverter [PDF]
Scientific ReportsThis research work proposes unique MLSTM-ZOA to quickly measure SAs for an MLI. Within a certain MI range, the suggested method may calculate a greater count of SAs with various solutions.
G. Krithiga +3 more
doaj +2 more sources
Study of five-level inverter double-band SHEPWM control method
Gong-kuang zidonghua, 2014 A kind of five-level inverter double-band SHEPWM control method was proposed combining Walsh transformation with SHEPWM program which can broaden modulation ratio of multi-level inverter.
YE Manyuan, CAI Hong, LI Bing, LI Song
doaj +2 more sources
A High Quality Output Voltage for HEPWM of Single Phase AC Motor Drive [PDF]
Engineering and Technology Journal, 2009 provide the exact on-line solution to the optimal PWM problem. The proposedalgorithm optimization technique is applied to a 3-level unipolar single-phase inverter todetermine optimum switching angles for eliminating low order harmonics while ...
Jamal A. Mohammed +2 more
doaj +1 more source
Optimum Solving SHEPWM Equations for Single Phase Inverter Using Resultant Method [PDF]
Engineering and Technology Journal, 2008 This paper represents new method to determine the optimum switching angles forSelective Harmonic Eliminated PWM (SHEPWM) inverter. Such switching angles aredefined by a set of nonlinear equations to be solved using the Resultant method.
Jamal A. Mohammed
doaj +1 more source
Performance Improvement of a Single Phase Induction Motor Fed by Nonsinusoidal Voltages [PDF]
Engineering and Technology Journal, 2008 The distorted voltage waveforms, which have, more or less, a high harmoniccontent, have negative impact on the long-term performance of the motor, as theycause nonsinusoidal currents in the stator and the rotor, and consequently additionallosses and ...
Jamal A. Mohammed
doaj +1 more source
A single source five-level switched-capacitor based multilevel inverter with reduced device count
e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023 Nowadays, multilevel inverters (MLIs) are widely used for integration with renewable energy (RE) resources and in industrial applications. Among different RE sources, photovoltaic (PV) energy is generally used for the generation of power.
Akanksha Kumari +4 more
doaj +1 more source