Results 11 to 20 of about 4,460,960 (252)

Optimization of voltage doublers for energy harvesting applications [PDF]

open access: yes, 2013
Energy harvesting is increasingly enabling the expansion of wireless sensor networks in challenging applications by replacing batteries in low power sensors. Many forms of energy harvester suffer from low output voltage which can be partially compensated
Judd, Martin, Roscoe, Nina
core   +3 more sources

Research on a maximum efficiency and constant voltage output control technology for wireless power transfer system

open access: yesDianzi Jishu Yingyong, 2020
Aiming at the problems of constant voltage output and maximum efficiency of wireless power transfer technology, a wireless power transfer technology based on energy injection and phase-shifted constant voltage control methods is proposed.
Shen Pengfei, Xie Yue
doaj   +1 more source

A hybrid multilevel converter for medium and high voltage applications [PDF]

open access: yes, 2010
This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Ahmed, Khaled   +4 more
core   +3 more sources

A Three-Coil Inductively Power Transfer System with Constant Voltage Output

open access: yesEnergies, 2018
For a traditional 2-coil system outputting constant voltage (CV), the transfer efficiency decreases drastically as transfer distance increases. To solve this problem, this essay proposes a 3-coil system which could achieve CV output and Zero Phase Angle (
Ruikun Mai   +4 more
doaj   +1 more source

Research and Application on Output Voltage Stabilization of DAB Converter Based on LADRC with Reduced-Order Model

open access: yes, 2023
One of the essential requirements for high-performance dual active bridge (DAB) converters is to obtain the constant output voltage rapidly and accurately under different disturbances.
Gao, S, Li, H
core   +1 more source

Buck Topology Powered Exclusively by Supercapacitor Modules—A Battery-Less Design Concept

open access: yesIEEE Access, 2021
In this paper, we have shown a DC-DC buck converter design, using two supercapacitors only as power sources. This design eliminates the use of a battery.
Sambit Satpathy   +3 more
doaj   +1 more source

A 2-D Inductive Power Transfer Network for Powering Massive Neighboring IoT Devices

open access: yesIEEE Access, 2022
Due to the wide distribution of Internet of Things (IoT) devices, reliable and convenient power solutions for these devices have been a continuous pursuit recently.
Yiming Gao   +3 more
doaj   +1 more source

Comparison of load resistor and battery on controlling buck boost converter using fuzzy-pi method [PDF]

open access: yesMATEC Web of Conferences, 2020
This paper discusses about controlling the buck boost converter output voltage remains constant by comparing of loads resistor and battery. Buck boost converter output voltage tends to be unstable when given a disturbance with a variety of loads, for ...
Massarang Maryanto   +4 more
doaj   +1 more source

Self-Commissioning of Inverter Nonlinear Effects in AC Drives [PDF]

open access: yes, 2012
The paper presents a novel technique for an accurate identification of the inverter nonlinear effects, such as the dead-time and on-state voltage drops. The proposed technique is very simple and it is based only on a current control scheme.
Rosu, S.G.   +10 more
core   +1 more source

Research on output characteristics of compensation network of electric vehicle wireless charging system

open access: yesDiance yu yibiao
Generally, wireless charging system needs to connect compensation network on both sides of the transmission coil to meet the requirements of constant current/constant voltage charging.
WANG Jiahui   +4 more
doaj   +1 more source

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