Results 1 to 10 of about 4,960,323 (312)
An Improved Imperialist Competitive Algorithm to Solve the Selected Harmonic Elimination Pulse-Width Modulation in Multilevel Converters [PDF]
Energies, 2018 The traditional intelligent algorithms for the selected harmonic elimination pulse-width modulation (SHEPWM) of multilevel converters provide low convergent rate and low accuracy of solutions when solving quarter-wave symmetry nonlinear equations.
Rongwu Zhu, Zheng Gong
exaly +5 more sources
Energies, 2023 The issue of converted voltage distortion by high-power converters at pulse-width modulation (PWM) with a low switching frequency of semiconductor modules is still relevant. Currently, the Programmed Pulse Pattern PWM (PPWM) technique is used extensively
Alexander Maklakov +1 more
exaly +4 more sources
Technologies, 2018 This paper describes the work performed on a single phase 9-level cascaded H-Bridge multilevel inverter (CHB-MLI) for photovoltaic (PV) power generation, using two methods of maximum power point tracking (MPPT)—namely fuzzy logic controller (FLC ...
Yatindra Gopal +2 more
doaj +2 more sources
Extreme Learning Machine Based Selected Harmonic Elimination for Single Phase Inverters
Measurement: Journal of the International Measurement Confederation, 2019 In this study, a new system for the elimination of selected harmonics in single phase inverters is proposed. Extreme learning machine is used for the selected harmonic elimination system.
Hanifi Güldemir
exaly +2 more sources
Red deer algorithm based selective harmonic elimination for renewable energy application with unequal DC sources [PDF]
Energy Reports, 2022 This study aims to find the optimal switching angles in a cascaded H-bridge multilevel inverter (CHB-MLI) fed by photovoltaic (PV) panels, keeping the output voltage constant regardless of the panel voltage change and eliminating low-order harmonics. For
Yasin Bektaş, Hulusi Karaca
doaj +2 more sources
High-Frequency Oscillation of the Active-Bridge-Transformer-Based DC/DC Converter
Energies, 2022 The dual-active-bridge converter (DAB) has attracted tremendous attention in recent years. However, its EMI issues, especially the high-frequency oscillation (HFO) induced by the dv/dt and parasitic elements of the transformer, are significant challenges.
Shusheng Wei, Wusong Wen
doaj +1 more source
IEEE Access, 2022 Selective Harmonic Elimination Pulse Width Modulation (SHEWM) can eliminate selected low order harmonics by solving nonlinear transcendental equations to obtain the switching angles in advance and achieve precise harmonics control.
Yixin Li, Xiao-Ping Zhang, Ning Li
doaj +1 more source
Reduction in Selected Torque Harmonics in a Three-Level NPC Inverter-Fed Induction Motor Drive
Energies, 2022 The reduction or elimination of selected torque and current harmonics is widely used in multilevel inverter fed induction motor drives. A wide range of methods are employed to achieve this goal.
Piotr Chudzik +2 more
doaj +1 more source
Mathematical Problems in Engineering, 2022 In modern days Multi Level Inverters (MLIs) in the power industry receive a large interest. The MLIs with multilevel structures produces higher-power, higher-voltage inverters. Selective Harmonic Elimination (SHE) has become a popular one.
Udayakumar Chandran +5 more
semanticscholar +1 more source
IEEE Access, 2020 In wireless power transfer (WPT) system, communication between the primary and the secondary plays an important role in system status monitoring and operation control.
Yusheng Sun +6 more
doaj +1 more source