Results 61 to 70 of about 1,230,070 (216)

Analysis of Output Current Ripple of Three-phase PWM Inverter under Discontinuous Modulation Techniques

, 2010
In this paper, an analysis of output current ripple of three-phase PWM inverters with discontinuous modulation is presented. The analytical expressions for discontinuous modulation injection signal are derived.
Dahono, Pekik Argo
core  

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

Energies, 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, Aleksandr Viatkin, Manel Hammami, Mattia Ricco, Gabriele Grandi   +4 more
doaj   +1 more source

A Comprehensive Approach to Pulse Modulation for Attitude Control with Thrusters Subject to Switching Restrictions

, 2005
A pulse modulation scheme based on two modulation curves is proposed for applications in spacecraft attitude control using thrusters which may be subject to switching restrictions.
Bals, Johann, Kienitz, Karl Heinz
core  

Bifurcation Curves in Discontinuous Maps [PDF]

Several discrete-time dynamic models are ultimately expressed in the form of iterated piecewise linear functions, in one or two-dimensional spaces. In this paper we study a one-dimensional map made up of three linear pieces which are separated by two ...
Gian Italo Bischi, Fabio Tramontana, Laura Gardini   +2 more
core  

Discontinuous Hybrid Modulation Technique for Three-Phase Three-Level Neutral Point Clamped Inverters

, 2013
Multilevel converters are widely used in high-power applications such as motor drives, utility applications, and, more recently, photovoltaic and wind generation systems.
Roberto Petrella, PETRELLA, Roberto, Alessandro Pevere, PEVERE, Alessandro   +3 more
core   +1 more source

Discontinuous Modulation Scheme for a Differential-Mode Ćuk Inverter

, 2016
The differential-mode Ćuk inverter (DMCI) is a single-stage inverter with low device count. It offers advantages over other topologies because of compactness, higher power density, and reduced cost.
Mazumder SK (8001416), Mehrnami S (8001413)   +1 more
core   +1 more source

A Novel Discontinuous PWM Method With Hybrid Three-Step Commutation to Reduce Common-Mode Voltage for Direct Matrix Converter

IEEE Open Journal of the Industrial Electronics Society
The conventional discontinuous pulsewidth modulation (PWM) can provide several advantages in a direct matrix converter (DMC), such as less switching number and less execution time for modulation signals' calculation.
Sahel Solemanifard, Cheng-Chin Hu, Tzung-Lin Lee, Mohammadreza Lak   +3 more
doaj   +1 more source

Improving capacitor voltage ripples and power losses of modular multilevel converters through discontinuous modulation

, 2013
The voltage ripple of the capacitors of the modular multilevel converter (MMC) increases when the converter output frequency decreases. This occurs in motor drive applications at low motor speeds, where the output frequency is reduced proportionally to ...
J. Zaragoza, Ceballos, S., Agelidis, V. G., S. Ceballos, J. Pou, G. Konstantinou, Konstantinou, G., Zaragoza, J., V. G. Agelidis, R. Picas, Picas, R., Pou, J.   +11 more
core   +1 more source

Research on Weighting Efficiency Improvement for PV Inverter Based on Segmental Modulation

Kongzhi Yu Xinxi Jishu, 2016
There are limitations in the evaluation strategy on power generation efficiency of PV grid-connected inverter with maximum conversion efficiency.
ZHAO Xianggui, CHEN Yifeng, WANG Nan, WU Hengliang   +3 more
doaj  

Discontinuous space vector pulse width modulation techniques for a five-phase quasi Z-source inverter

, 2015
In this paper, discontinuous space vector pulse width modulation for a five-phase quasi Z-source inverter is presented. Two schemes are introduced for the continuous SVM of five-phase qZSI (SVQ1 & SVQ2) and two schemes of discontinuous SVM (DSVQ1 & DSVQ2)
R. Alammari, Iqbal, A., A. A. Abduallah, H. Abu-Rub, M. Meraj, Abduallah, A. A., Abu-Rub, H., Meraj, M., Alammari, R., A. Iqbal, L. Ben-Brahim, Ben-Brahim, L.   +11 more
core   +1 more source