Results 41 to 50 of about 11,084 (259)

Decoupled PI Controllers Based on Pulse-Frequency Modulation for Current Sharing in Multi-Phase LLC Resonant Converters

IEEE Access, 2021
The LLC series resonant converter has emerged as a solution to applications requiring power conversion with isolation, reduced volume and high efficiency, such as PV systems and EV chargers.
Martin Moreno, Javier Pereda, Felix Rojas, Ivan Dominguez-Lopez   +3 more
doaj   +1 more source

Power-frequency magnetoelectric energy harvester using FeCoV–PZT laminates based on ericsson cycle [PDF]

AIP Advances
With the increasing demand for power supply in power Internet-of-Things (IoT) sensor nodes, providing stable, self-powered operation near power-frequency transformers remains a critical challenge.
Changgeng Zhang, Ziyang Wang, Haiming Jiao, Mingming Li, Yongjian Li, Zhiwei Lin   +5 more
doaj   +1 more source

A Driving Power Supply for Piezoelectric Transducers Based on an Improved LC Matching Network

Sensors, 2023
In the ultrasonic welding system, the ultrasonic power supply drives the piezoelectric transducer to work in the resonant state to realize the conversion of electrical energy into mechanical energy.
Ye Feng, Yang Zhao, Hao Yan, Huafeng Cai
doaj   +1 more source

Piezoelectric Energy Harvesting Solutions

Sensors, 2014
This paper reviews the state of the art in piezoelectric energy harvesting. It presents the basics of piezoelectricity and discusses materials choice. The work places emphasis on material operating modes and device configurations, from resonant to non ...
Renato Caliò, Udaya Bhaskar Rongala, Domenico Camboni, Mario Milazzo, Cesare Stefanini, Gianluca de Petris, Calogero Maria Oddo   +6 more
doaj   +1 more source

Application-Oriented Review of the LLC-Based Resonant Converters

IEEE Access
The LLC resonant converter is a widely utilized power electronics converter, due to its numerous industrial and domestic applications. This converter offers some advantages such as soft-switching operation of all switches, high efficiency, high power ...
Jasem Shahsevani, Reza Beiranvand
doaj   +1 more source

Resonant driving scheme for p-doped gallium nitride high electron mobility transistor to reduce driving power loss

Energy Reports, 2023
In high-frequency power electronics applications, gallium nitride high electron mobility transistors (GaN HEMTs) can switch at frequencies of several megahertz.
Zhixuan Wang, Xiangdong Sun, Biying Ren, Zechi Chen   +3 more
doaj   +1 more source

A resonant multi-channel sharing current LED driver based on variable inductor

Journal of Hebei University of Science and Technology, 2017
In order to solve the problems of the traditional LED driver adopting the frequency control with high EMI, pulse width modulation (PWM) with the complex control circuit,and the LLCC, LCLC resonant topology realizing constant current output system with ...
Guozhuang LIANG, Hanlei TIAN, Xiaoyu XU
doaj   +1 more source

Single-Switch Non-Isolated Resonant DC-DC Converter for Single-Input Dual-Output Applications

Applied Sciences, 2023
This paper describes a new configuration of Cuk and SEPIC (Single-Ended Primary Converter) ZVS-QR (zero-voltage switching quasi-resonant) combination DC-DC converter for bipolar output with a single switch.
Cristian Díaz-Martín, Eladio Durán, Salvador P. Litrán, José Luis Álvarez, Jorge Semião   +4 more
doaj   +1 more source

Research on harmonic resonant fault mechanism and suppression measures of oilfield power grid based on fast mode analysis method

AIP Advances, 2023
In recent years, with the use of electric drilling rig, electric fracturing pump, and other equipment, the harmonic resonance problem of oilfield power grid is becoming more and more serious.
Na Liu, Bin Zhang
doaj   +1 more source

A Three-Port Bidirectional Multi-Element Resonant Converter With Decoupled Power Flow Management for Hybrid Energy Storage Systems

IEEE Access, 2018
A three-port bidirectional multi-element resonant converter is developed in this paper. It contains multiple resonant components, which leads to various resonant frequencies.
Yifeng Wang, Fuqiang Han, Liang Yang, Rong Xu, Ruixin Liu   +4 more
doaj   +1 more source