Results 21 to 30 of about 1,941,151 (297)

Offline Selective Harmonic Elimination With (2N+1) Output Voltage Levels in Modular Multilevel Converter Using a Differential Harmony Search Algorithm

open access: yesIEEE Access, 2020
(2N+1) selective harmonic elimination pulse-width modulation (SHE-PWM) is an effective switching strategy of the modular multilevel converter in medium-voltage cases. In these cases, the number of sub-modules (SMs) is not high.
Yayun Xin   +4 more
doaj   +1 more source

Red deer algorithm based selective harmonic elimination for renewable energy application with unequal DC sources

open access: yesEnergy 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   +1 more source

A Symbiotic Organism Search-Based Selective Harmonic Elimination in a Switched Capacitor Multilevel Inverter

open access: yesEnergies, 2021
Multilevel inverters are increasingly being employed for industrial applications, such as speed control of motors and grid integration of distributed generation systems.
Manita Kumari   +5 more
doaj   +1 more source

A VSC transmission system using flying capacitor multilevel converters and selective harmonic elimination pWM control [PDF]

open access: yes, 2005
A transmission system based on voltage-source three-level flying capacitor (FC) multilevel converters with selective harmonic elimination pulse-width modulation (SHE-PWM) control is presented in this paper.
Lie Xu   +3 more
core   +1 more source

Selective Harmonic Elimination Modulation for HVDC Modular Multilevel Converter

open access: yes, 2021
This paper proposes the application of a mixed selective harmonic elimination mitigation modulation algorithm to three-phase HVDC modular multilevel converters. Defining 1 the number of levels, two cases have been considered: t=65 and t=257.
Cimoroni M. G.   +5 more
core   +1 more source

Multiple sets of solutions for harmonic elimination PWM bipolar waveforms: Analysis and experimental verification [PDF]

open access: yes, 2006
Multiple sets of solutions for the selective harmonic elimination pulse-width modulation method for inverter control exist. These sets present an independent solution to the same problem but further investigation reveals that certain sets may offer an ...
Agelidis, VG   +7 more
core   +1 more source

Real-time selective harmonic elimination algorithm for two level inverters

open access: yes矿业科学学报, 2020
Solving the switching angles in real time is the key point to apply selective harmonic elimination (SHE) to engineering project. In this paper, a real time algorithm is presented to solve the SHE equations for two level inverters, which can be easily ...
Wang Chenxu   +4 more
doaj   +1 more source

Electromagnetic Vibration and Noise Suppression of Induction Motor Based on RPWM Selective Spectrum Shaping

open access: yesIEEE Access, 2021
In AC motor powered by frequency converter, the random pulse width modulation (RPWM) can suppress vibration and noise power near the switching frequency and its integer multiple of the inverter.
Guohua Li, Zhenfang Fu, Yufeng Wang
doaj   +1 more source

A novel optimization harmonic elimination technique for cascaded multilevel inverter [PDF]

open access: yes, 2019
The main goal of utilizing Selective Harmonic Elimination (SHE) techniques in Multilevel Inverters (MLI) is to produce a high-quality output voltage signal with a minimum Total Harmonic Distortion (THD).
Hamida, Belal Ahmed   +17 more
core   +1 more source

Selective harmonic elimination pulse width modulation for three-phase nine-level inverter using improved whale optimization algorithm

open access: yes, 2023
For many years, multilevel inverter (MLI) is a system well-known for converting DC voltage to AC voltage which is suitable for energy resources conversion for industrial power sources.
Talib, Md Hairul Nizam   +7 more
core   +1 more source

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