Results 91 to 100 of about 514 (145)
Optimization of the Harmonic in AC Drive Locomotive and EMUs
Harmonic content is one of the most important indexes in AC drive locomotive and EMUs. It firstly introduced four types of on-board passive filters and their working principles, such as series inductance, LCL filter, RC filter, RLC filter and so on ...
ZHANG Zhibing, ZHANG Zhixue, CHEN Zhibo
doaj
Design and implementation of a three-level single-phase H-bridge inverter using SHE-PWM
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 +3 more
doaj +1 more source
The following article aims to implement a hybrid modulation methodology based on the Selective Harmonic Elimination Pulse Width Modulation (SHE-PWM) technique to work with the fundamental frequency of the system and find the optimal firing angles using ...
Miguel Ayala +3 more
doaj +1 more source
Determination of minimal total harmonic distortion for single-phase multilevel inverter [PDF]
Multilevel inverters (MLIs) offer numerous advantages, such as low voltage stresses on power switches, low switching losses, and high efficiency. Switching angles applied to MLI must be selected carefully to generate an output voltage waveform with low ...
Ahmad, Noor Syafawati +7 more
core +2 more sources
Application of soft computing algorithms for hybrid modular multilevel inverters
This study utilized Harris Hawk optimization to analyze the harmonic distortions of a symmetric capacitor based multilevel converter. The proposed multilevel converter uses identical and symmetric DC sources in its input.
Devineni Gireesh Kumar +9 more
doaj +1 more source
A Nine-Level Inverter with Adjustable Turn-Off Time for Helicopter Transient Electromagnetic Detection. [PDF]
Peng F +5 more
europepmc +1 more source
Análisis y diseño de un puente inversor trifásico VSI controlado mediante SVM utilizando un microcontrolador [PDF]
La electrónica de potencia como una rama de la ingeniera eléctrica toma gran importancia para los sistemas eléctricos; se enfoca a diario en el estudio de dispositivos y/o elementos de mayor eficiencia.
Aguirre Díaz, Jonathan Alejandro +1 more
core
Harmonics is the major power quality problem caused by nonlinear devices, leading to malfunction or operational halt of the system. Low-order harmonics increase vibration and heat generation in motors.
D. Vasavi Krishna +2 more
doaj +1 more source
A new seven level boost-type ANPC inverter topology for photovoltaic applications. [PDF]
M JS, Almakhles DJ.
europepmc +1 more source
Harmonics elimination based on curve fitting method for modular multilevel converters [PDF]
This paper presents the additional ways to figure out the switching angles for eliminating harmonic in Modular Multilevel Converters, MMCs. The switching angles equation is written in terms of nonlinear equation system, in general, one of the numerical ...
Aboadla, Ezzidin Hassan Elmabrouk +8 more
core

