Results 81 to 90 of about 141 (124)

ANN-based SHEPWM using a harmony search on a new multilevel inverter topology

TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCES, 2017
Fayçal Chabni, Rachid Taleb, M'hamed Helaimi   +2 more
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SHEPWM Class-D Amplifier with a Reconfigurable Gate Driver Integrated Circuit

2021 IEEE International Symposium on Circuits and Systems (ISCAS), 2021
A selective harmonic elimination pulse width modulation (SHEPWM) class-D amplifier (CDA) with a reconfigurable gate driver integrated circuit (IC) is proposed. The H-bridge CDA generates a three-level SHEPWM signal and cancels lower order harmonics of the switching voltage. To generate accurate pulses at the right switching angles, GaN devices are used
Yves Blaquière, Glenn Cowan, Gabriel Nobert   +2 more
exaly   +2 more sources

Performance Analysis of SHEPWM Based on GA and PSO for CMLI

Lecture Notes in Electrical Engineering, 2019
Multilevel 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 ...
Puttaswamy P S
exaly   +2 more sources

Inner Relationship Between SHEPWM and SVPWM in Tri-level Converter

2019 14th IEEE Conference on Industrial Electronics and Applications (ICIEA), 2019
In this paper, a new selected harmonic elimination pulse width modulation (SHEPWM) of the tri-level NPC converter was studied by using improved initial value method, in which impulse was equal and center of gravity was coincidence. The multiple-solutions were obtained within the range of the whole modulation degree.
Wenjun Wu, Wen Liu, Jia Wang, Xin Zhou
exaly   +2 more sources

Power losses in T-type and NPC inverters with SHEPWM strategy

2017 12th IEEE Conference on Industrial Electronics and Applications (ICIEA), 2017
Power losses of switch devices restrict the performance of inverters. Specific Harmonic Elimination PWM (SHEPWM) strategy has several advantages and great research significance for controlling three-level inverters. This paper analyzes and compares the conduction losses and switching losses of NPC (neural-point-clamped) and T-type inverters with SHEPWM
Hu Cungang, Pengfei Zhou, Guoli Li
exaly   +2 more sources

A simplified rational representation for positive-dimensional polynomial systems and SHEPWM equations solving

Journal of Systems Science and Complexity, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Shugong Zhang
exaly   +2 more sources

SHEPWM for Closed-control of AC Machine

2023 IEEE 6th International Electrical and Energy Conference (CIEEC), 2023
Shuying Yang, Zhen Xie, Qishuai Wang
exaly   +2 more sources

Bipolar SHEPWM for Pure Sine Wave Single-Phase Inverter

2022 5th International Conference on Advanced Systems and Emergent Technologies (IC_ASET), 2022
Aymen Chaaira, Rabiaa Gamoudi, Lassaad Sbita   +2 more
exaly   +2 more sources

Comparison of PSO and GWO Techniques for SHEPWM Inverters

2020 International Conference on Computer, Electrical & Communication Engineering (ICCECE), 2020
Selective Harmonic Elimination Pulse Width Modulation (SHEPWM) inverters have a wider application as far as model industrial scenario is concerned. A PV fed Boost converter has been used as a source for SHEPWM inverter. This paper presents a comparative analysis for selective harmonic elimination technique using PSO and GWO algorithm for PWM inverters.
Swati Suman, Debashis Chatterjee, Rupali Mohanty   +2 more
openaire   +1 more source

FPGA implementation of SHEPWM gate signal IGBTs

2018 7th International Conference on Systems and Control (ICSC), 2018
This paper deals the generation of all signal gates for three-level inverter using FPGA SPARTAN-3E device. The PWM switching angles are computed on the basis of the selective harmonics elimination for several frequency values. In order to cancel three odd harmonics the arm voltage waveform profile contains four switching angles.
Khoukha Imarazne, El Madjid Berkouk
openaire   +1 more source