Results 21 to 30 of about 285 (184)

Supply System for Three-Level Inverters Using Multi-Pulse Rectifiers with Coupled Reactors

Energies, 2019
The paper presents a proposal of the multi-pulse AC/DC converter for providing supply for multilevel inverters and considerably reducing the line current distortion factor.
Jan Iwaszkiewicz, Piotr Mysiak
doaj   +1 more source

Simulation of single phase photovoltaic system based on fuzzy logic control with multilevel inverter [PDF]

E3S Web of Conferences, 2019
To control the solar power, reliability and stability are two main challenges. In addition, the total harmonic distortion (THD) must be within limits for optimal operation.
Raweh Ezzaldden, Pi Wei, Busati Omar, Rehman Abdul, Mubbarak Saif, Wang Yinshun   +5 more
doaj   +1 more source

Electrically Tunable Piezotronic Transistor by Coupling Interface Polar Symmetry and Strain Gradient

Advanced Science, EarlyView.
A macroscale tip‐induced strain gradient generates bulk piezo‐charges in GaN, enabling bias‐controlled shielding and selective Schottky barrier modulation. This strain‐gradient piezotronic transistor exhibits electrically switchable high‐ and low‐sensitivity states, providing ultrahigh strain sensitivity and wide tunability for adaptive mechanical ...
Gongwei Hu, Xiaoming Dong, Yihan Zhang, Yong Chao, Menglu Li, Min Liu, Liqing Pan, Lijie Li, Wei Huang, Fobao Huang   +9 more
wiley   +1 more source

From Ship to Shore: A Review of Vessel‐To‐Grid Bidirectional Charging for Sustainable Maritime Transport

EcoEnergy, EarlyView.
As maritime transport electrifies, bidirectional charging (V2G) offers a dual‐purpose solution for energy resilience and economic viability. This work identifies key technological advancements and lifecycle challenges utilizing practical case studies to demonstrate how V2G systems can drive decarbonization and grid stability in the marine sector ...
Jonathan Bloor, Tamer Kamel, Sarah Fear, Lee J. Durndell   +3 more
wiley   +1 more source

Harnessing Optical Limiting in Saturable Absorbers for Reconfigurable Spectral Engineering of Ultrafast Fiber Lasers

Laser &Photonics Reviews, EarlyView.
Optical limiting in a nanomaterial‐polymer saturable absorber is harnessed as a functional intracavity degree of freedom, where pump‐controlled photothermal loss continuously reshapes the gain spectrum of rare‐earth ions, enabling non‐mechanical spectral engineering in an ultrafast fiber laser.
Maolin Dai, Weitao Wang, Masahiro Nomura, Sze Yun Set, Shinji Yamashita   +4 more
wiley   +1 more source

A five‐level nested neutral point‐clamped inverter topology

IET Power Electronics
Classical five‐level nested neutral point‐clamped (5L NNPC) inverter‐leg is a hybrid of the flying‐capacitor and diode‐clamped 5‐L inverter‐leg configurations.
Desmond O. Obe, Chinedu T. Obe, Charles I. Odeh, Emeka S. Obe   +3 more
doaj   +1 more source

Balancing Control of DC-Link Capacitor Voltages for Five-Level Hybrid Diode-Clamped Inverters With Passive Front-Ends

IEEE Access
The paper presents a control strategy for balancing DC-link capacitor voltages in a five-level hybrid diode-clamped (5L-HDC) inverter, consisting of two half-bridges and diode-clamped cells.
Min-Seok Kim, Dinh Du To, Dong-Choon Lee
doaj   +1 more source

Prediction‐Based Algorithms for Long‐Range High‐Speed Force Spectroscopy

Journal of Molecular Recognition, Volume 39, Issue 5, September 2026.
ABSTRACT We present a high‐speed force microscopy platform mounted on a confocal microscope with a z sample stage enabling long‐range, high‐speed force spectroscopy measurements on biological samples. The control software is built on a field‐programmable gate array (FPGA)‐based data acquisition and processing system, complemented with a custom ...
Lorenzo Villanueva, Yogesh Saravanan, Mar Eroles, Antoine Couderc, Jorge Rodriguez‐Ramos, Qingze Zou, Felix Rico   +6 more
wiley   +1 more source

Wavelength and Pulsewidth Tunable Flexible CsPbBr3 Perovskite Microlasers by Mechanical Stress Modulation

Advanced Electronic Materials, Volume 12, Issue 15, 10 August 2026.
Mechanically tunable all‐organic CsPbBr3 perovskite microlasers on a flexible PET substrate is demonstrated, enabling simultaneous wavelength and pulsewidth modulation of laser emission. The strain–photon synergetic coupling mechanism is revealed.
Zhaohuan Cai, Zhan Su, Fuyi Cao, Xiaobo Hu, Guoen Weng, Hidefumi Akiyama, Shaoqiang Chen   +6 more
wiley   +1 more source

A Single-Voltage-Source Class-D Boost Multi-Level Inverter with Self-Balanced Capacitors

Energies, 2022
A symmetric single-source 7-level DC-AC converter with voltage gain of 3 and self-voltage balance is presented by combining the Class-D amplifier and the diode-clamped DC-AC converter. There is only one switch is switched for any time in this circuit. As
Jenn-Jong Shieh, Kuo-Ing Hwu, You-Yang Li   +2 more
doaj   +1 more source