Results 71 to 80 of about 329 (152)

An Efficient Asymmetric Inverter Design for PV Applications for Harmonics and Power Loss Mitigation [PDF]

E3S Web of Conferences
The electricity industry faces major problems due to the ubiquitous availability of fossil fuels and their rising consumption. One option is to use photovoltaic (PV) modules, which convert sunlight into electricity—at first, in the form of direct current
Lingaswamy Kandadi, Jebaseelan S.D. Sundarsingh   +1 more
doaj   +1 more source

Enhanced power quality in grid-connected wind energy systems using PI-controlled with doubly fed induction generator optimized by hybrid differential evolution and grey wolf algorithm

Electrical engineering & Electromechanics
Introduction. Nowadays, the most widely used wind energy conversion system in wind farms is based on a doubly fed induction generator (DFIG); it has a large speed range and can function in multiple modes. Problem.
R. F. Abdelgoui, R. Taleb
doaj   +1 more source

Optimal Design of a New Cascaded Multilevel Inverter Topology With Reduced Switch Count

IEEE Access, 2019
Multilevel inverters (MLIs) are a great development for industrial and renewable energy applications due to their dominance over conventional two-level inverter with respect to size, rating of switches, filter requirement, and efficiency.
Marif Daula Siddique, Saad Mekhilef, Noraisyah Mohamed Shah, Mudasir Ahmed Memon   +3 more
doaj   +1 more source

A novel technique for real time implementation of SHE PWM in single phase matrix converter [PDF]

, 2016
Predmet ovoga rada je dizajniranje i rasprava o implementaciji SHEPWM (Selective Harmonic Elimination Pulse Width Modulation) u stvarnom vremenu uz primjenu nove metode poznate kao Metoda linearizacije za jednofazni matrični pretvarač (Single Phase ...
Rajaram, M., Subha Karuvelam, P.
core   +1 more source

Performance enhancement of a 15-level reduced-switch MLI through THD reduction using hybrid metaheuristic optimization techniques

Discover Applied Sciences
This paper aims to minimize total harmonic distortion (THD) in a reduced-switch multilevel inverter using an advanced hybrid optimization framework. A 15-level asymmetric multilevel inverter (MLI) with a binary-weighted (1:2:4) DC source configuration is
Devineni Gireesh Kumar, Nagineni Venkata Sireesha, Ranjith Kumar Gatla, D. S. Naga Malleswara Rao, Venkataramana Guntreddi, M. Krishna Chaitanya   +5 more
doaj   +1 more source

A Harmonic Resonance Suppression Strategy for a High-Speed Railway Traction Power Supply System with a SHE-PWM Four-Quadrant Converter Based on Active-Set Secondary Optimization

Energies, 2017
Pulse width modulation (PWM) technology is widely used in traction converters for high-speed railways. The harmonic distribution caused by PWM is quite extensive, and increases the possibility of grid–train coupling resonance in the traction power supply
Runze Zhang, Fei Lin, Zhongping Yang, Hu Cao, Yuping Liu   +4 more
doaj   +1 more source

Common-Mode Voltage Suppression of a Five-Level Converter Based on Multimode Characteristics of Selective Harmonic Elimination PWM

The combination of five-level converters with selective harmonic elimination pulse-width modulation (SHEPWM) is a practical need in medium-voltage, high-power applications.
Bo Guan, Chuanchuan Luo
core   +1 more source

COMPARATIVE STUDY OF TRADITIONAL PWM INVERTERS AND MULTILEVELS INVERTERS

Journal of Engineering
The need of higher powers in electrical drives has forced the researchers to develop new power source possibilities. Multilevel inverters have been presented as a cost effective solution for various high voltage and high power applications including ...
K. S. Krikor, Khalid I. Alnaimi, Jamal Abdul-Kareem Mohammed   +2 more
doaj   +1 more source

A Nine-Level Inverter with Adjustable Turn-Off Time for Helicopter Transient Electromagnetic Detection. [PDF]

Sensors (Basel), 2023
Peng F, Guo C, Chang Z, Yan Z, Zhao Q, Huang X.   +5 more
europepmc   +1 more source

Design and implementation of a three-level single-phase H-bridge inverter using SHE-PWM

Discover Electronics
The need to generate a pure sinusoidal signal with very low Total Harmonic Distortion (THD) motivates the search for the most effective modulation technique among existing methods.
Jalil Akaaboune, Bouazza Elmourabit, Mohamed Oulaaross, Mohamed Benchagra   +3 more
doaj   +1 more source