Results 251 to 260 of about 3,524,493 (338)

Composite Electrospun Fibers Containing Optimized B‐ and Cu‐Doped Bioactive Glass Sol‐Gel Particles for Potential Soft Tissue Engineering Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This article describes the preparation and characterization of poly(ε‐caprolactone) electrospun composite fibers incorporating sol‐gel‐derived bioactive glass particles doped with B and Cu. Scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, Fourier‐transform infrared spectroscopy, contact angle, acellular bioactivity, mechanical and ...
Elisa Piatti   +5 more
wiley   +1 more source

Enhanced RF Energy Harvesting System Utilizing Piezoelectric Transformer. [PDF]

open access: yesSensors (Basel)
Al Ahmad M   +6 more
europepmc   +1 more source

Unidirectional Three-Phase Voltage-Doubler SEPIC PFC Rectifier

IEEE Transactions on Power Electronics, 2021
This article reports the theoretical analysis and experimental results for a three-phase high power factor SEPIC-type rectifier operating in discontinuous conduction mode (DCM). The topology, steady-state analysis, dynamic model, control strategy, and experimental verification are reported herein.
Paulo Junior Silva Costa   +3 more
openaire   +2 more sources

Voltage Doubler Design for RF Energy Harvesting System

2020 7th International Conference on Smart Structures and Systems (ICSSS), 2020
This paper deals with the design of Voltage Doubler circuit in an energy transformation network for Radio Frequency (RF) energy generating at 875 MHz The main function of the energy transformation system is to transform the radio frequency signals into direct current at a desired frequency band.
T. Sathiyapriya   +4 more
openaire   +2 more sources

A High Voltage Gain Quadratic Boost Converter using a Voltage Doubler and Voltage-Lift Technique

2020 IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy (PESGRE2020), 2020
A novel high voltage gain quadratic boost converter is proposed which is based on the voltage-lift technique and useof industrial applications including UPS (uninterrupted power supplies), PV (photovoltaic) systems, automobile HID lamps, fuel cells, etc. The voltage-lifts a voltage doubler cell.
Arpan Laha
openaire   +2 more sources

Multiloop Control With Two Duty-Ratio Feedforward Current Loops via Sensing Series-Capacitor Current for Voltage Doubler PFC Converter

IEEE transactions on industrial electronics (1982. Print), 2023
In this article, the voltage doubler PFC converter with two boost inductors and one series-capacitor is studied. Only when both symmetrical duty ratios are larger than 0.5, the conventional multiloop control with one inner current loop and one voltage ...
Hung-Chi Chen, Yin-Chun Lan
semanticscholar   +1 more source

Accurate Steady-State Modeling and Design Based on State Trajectory Analysis for LCC Resonant Converter With Voltage Doubler Rectifier

IEEE transactions on power electronics, 2022
The LCC series–parallel resonant converter with a voltage doubler rectifier, widely used in X-ray machines, is required to meet an extremely wide output range.
Jimin Chen   +4 more
semanticscholar   +1 more source

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