Results 21 to 30 of about 1,873 (236)

Comparative analysis of switching losses and current ripple of continuous and discontinuous SVPWM strategies for unbalanced two‐phase four‐leg VSI Fed unsymmetrical two‐phase induction motor

open access: yesIET Power Electronics, 2021
This paper presents a comparative analysis of the continuous space vector pulse width modulation and the discontinuous space vector pulse width modulation in terms of the switching losses and current ripple reduction for the unbalanced two‐phase four‐leg
Kaset Muangthong, Chakrapong Charumit
doaj   +1 more source

Optimized Zero Vector Selection in Space Vector Pulse Density Modulation Schemes for Two-Level Inverter Fed Induction Motor Drive

open access: yesAdvances in Electrical and Computer Engineering, 2023
Space Vector Pulse Density Modulation (SVPDM) schemes for adjustable speed drives are digital modulation scheme with less computational overhead. The SVPDM based drives provide better spectral features and reduced acoustic noise in motor than Space ...
JEESHMA, M. P.   +3 more
doaj   +1 more source

Hybrid Space Vector PWM Strategy for Three-Phase VIENNA Rectifiers

open access: yesSensors, 2022
Vienna rectifiers are widely used, but they have problems of zero-crossing current distortion and midpoint potential imbalance. In this paper, an improved hybrid modulation strategy is proposed.
Yaodong Wang   +3 more
doaj   +1 more source

A Simple Approach of Space-vector Pulse Width Modulation Realization Based on Field Programmable Gate Array [PDF]

open access: yes, 2010
Employing a field programmable gate array to realize space-vector pulse width modulation is a solution to boost system performance. Although there is much literature in the application of three-phase space-vector pulse width modulation based on field ...
Nik Idris, Nik Rumzi   +3 more
core   +3 more sources

Sector Subdivision Based SVPWM Strategy of Neutral-Point-Clamped Three-Level Inverter for Current Ripple Reduction

open access: yesEnergies, 2019
This paper presents a sector subdivision based space vector pulse width modulation (SVPWM) strategy with reduced current ripple for a three-level inverter.
Guozheng Zhang   +5 more
doaj   +1 more source

Discontinuous PWM strategy considering neutral-point potential balance for a three-level NPC inverter

open access: yes工程科学学报, 2016
A novel discontinuous space-vector pulse width modulation(DSVPWM) strategy is proposed for a three-level neutralpoint-clamped(NPC) voltage source inverter.
LUO Xiao-fei   +3 more
doaj   +1 more source

A General Pulse Width Modulation Method for Zero-Voltage-Switching Active-clamping Three-phase Power Converters: Edge Aligned Pulse Width Modulation (EA-PWM)

open access: yesIEEE Open Journal of Power Electronics, 2020
A general PWM method for soft-switching three-phase power converters-Edge Aligned PWM (EA-PWM) is proposed. It aligns all the high loss commutation instants of the converter bridges in a switching cycle at the same instant so that all the switches of the
Keyan Shi, Jinyi Deng, Dehong Xu
doaj   +1 more source

Discontinuous PWM Techniques of Three-Leg Two-Phase Voltage Source Inverter for Sonar System

open access: yesIEEE Access, 2020
Pulse width modulation (PWM) methods are important for the detection performance of a sound navigation and ranging (sonar) system because they determine the output noise of the system.
Jaehyuk Choi, Dong-Hun Lee, Hyungsoo Mok
doaj   +1 more source

Carrier-Based Discontinuous PWM Method for Five-Leg Inverter

open access: yesIEEE Access, 2020
This paper proposes a rotation carrier-based discontinuous pulse width modulation (CB-DPWM) method for the five-leg inverter (FLI). The FLI based on two-level topology consists of 10 switching devices for driving dual motors.
June-Hee Lee   +2 more
doaj   +1 more source

A Comprehensive AC Current Ripple Analysis and Performance Enhancement via Discontinuous PWM in Three-Phase Four-Leg Grid-Connected Inverters

open access: yesEnergies, 2020
A complete analysis of the ac output current ripple in four-leg voltage source inverters considering multiple modulation schemes is provided. In detail, current ripple envelopes and peak-to-peak profiles have been determined in the whole fundamental ...
Riccardo Mandrioli   +4 more
doaj   +1 more source

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