Results 41 to 50 of about 54,360 (207)
A Fast, Decentralized, Self-Aligned Carrier Method for Multicellular Converters
Applied Sciences, 2020 This paper proposes a fast, decentralized method for self-aligning the carriers of a multiphase/multilevel converter operating on the basis of phase-shifted pulse width modulation or level-shifted pulse width modulation. In the proposed method, each cell
Quoc Dung Phan +8 more
doaj +1 more source
Digital pulse interval and width modulation
, 1996 This article investigates the implementation of a new digital pulse-time modulation (PTM) technique based on a digital pulse internal and width modulation (DPIWM) scheme. Original expressions are presented for code characterization, channel capacity, and
Ghassemlooy, Zabih +3 more
core +1 more source
2.1–2.2 μm wavelength-tunable cascade gain modulation Raman fiber laser
Results in PhysicsWe present a theoretical and experimental analysis of a mid-infrared wavelength-tunable cascade gain modulation Raman fiber laser. Our simulation model incorporates the Generalized Nonlinear Schrödinger Equation with the fiber Bragg grating transmission ...
Xiren Chen, Zhang Yu, Duanduan Wu
doaj +1 more source
Analisa Kinerja Sinusoidal PWM Inverter untuk Pengaturan Kecepatan Motor Induksi Tiga Fasa
Teknika, 2016 PWM (pengaturan lebar pulsa) merupakan salah satu teknik yang baik untuk digunakan dalam sistem kendali (control system) saat ini. Pengaturan lebar modulasi dipergunakan di berbagai bidang yang sangat luas, salah satu diantaranya adalah pengaturan ...
Heri Haryanto, Vicky Immanuel
doaj +1 more source
ANN Controller Based Single phase Inverter in Smart City
International Transactions on Electrical Engineering and Computer Science, 2023 Solar-grid integration is a method for incorporating large amounts of photovoltaic (PV) supply to the grid. Advanced inverter technology, smart grids technology, islanding detection technology, solar-grid forecasting technology, grid-plant protection ...
HyunHo Park
doaj
Spectral structure of multitone pulse width modulation
, 1991 The multiple sidetone structure recently reported in pulse width modulation arising from multitone inputs can now be accurately predicted by a newly derived modulation formula.
Ghassemlooy, Zabih +2 more
core +1 more source
An extendable switched‐capacitor based three‐phase multilevel inverter with boosting capability
IET Power ElectronicsThe increasing demand for integrating renewable energy sources necessitates inverter topologies with boosting capabilities. Using inverters with boosting capability and a low number of components to integrate renewable energy sources can reduce costs ...
Hadi Aghaei +4 more
doaj +1 more source
Energies, 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
IET Power Electronics, 2023 The four‐level nested neutral point clamped (4L‐NNPC) converter is a new multi‐level converter with a simple topology, which is suitable for the medium‐voltage application. But it has voltage balancing problems under the low output frequency condition. A
Liangdeng Hu, Fei Xiao, Ziyue Xin
doaj +1 more source
Optical Multilevel Pulse Width Modulation for Analog Mobile Fronthaul
Photonics, 2018 The evolution of radio access networks is towards a centralized architecture (C-RAN), with massive antenna deployments and large radio-frequency bandwidths.
Lorenzo Combi +4 more
doaj +1 more source