Results 71 to 80 of about 31,027 (310)
IEEE Access, 2022 To achieve ultra-deep dimming ratio in LED driver application, the resonant process of LLC resonant converter considering the critical parasitic components has been analyzed in detail with time-domain solution in this paper.
Sen Xu +3 more
doaj +1 more source
Desain dan Analisis Resonant Converter Bertenaga Akumulator 12 Volt sebagai Rangkaian Penggerak Lampu Led Menggunakan Matlab-Simulink [PDF]
, 2017 This paper describes a design and analysis of resonant converter to LED lamp driving. The converter is powered by 12 volt battery. The type of resonant converter is equipped by a Half-Bridge LLC Series Resonant Converter. The type of battery is lead acid
Alfahmi, I. (Irsyad), Anto, B. (Budhi)
core
Frequency-modulation control of a DC/DC current-source parallel-resonant converter [PDF]
, 2017 This paper proposes a frequency-modulation control scheme for a dc/dc current-source parallel-resonant converter with two possible configurations. The basic configuration comprises an external voltage loop, an internal current loop, and a frequency ...
Castilla Fernández, Miguel +4 more
core +2 more sources
Advanced Science, EarlyView.The versatile CaO2@CuMOF@HAP nanohybrid demonstrates an outstanding MMP9/pH‐triggered release performance for sequential release of osteogenic growth peptide into deep‐seated tumor‐infiltrated bone destruction areas and dual ions into tumor cells, enabling efficient tumor‐associated osteolysis restoration and tumor elimination for more comprehensive ...
Lan Liu +8 more
wiley +1 more source
IEEE Access, 2023 This paper proposes a bidirectional three-level T-type LLC resonant DC-DC converter operating with phase-shift control, which is simple and effective, variable frequency modulation to perform soft switching in a wide voltage ratio range and light loads ...
Kemal Kalayci +3 more
doaj +1 more source
Advanced Science, EarlyView.Cell‐sized high‐frequency ultrasound using a lithium niobate transducer, previously ignored in reactive oxygen species (ROS) production, generated intracellular ROS at frequencies higher than conventionally used. The intracellular generation of ROS by cell‐sized high‐frequency ultrasound revealed in this study is expected to be applied to innovative ...
Kotaro Fujishiro +4 more
wiley +1 more source
High-Frequency LLC Resonant Converter with GaN Devices and Integrated Magnetics
Energies, 2019 In this study, a light emitting diode (LED) driver containing an integrated transformer with adjustable leakage inductance in a high-frequency isolated LLC resonant converter was proposed as an LED lighting power converter.
Yu-Chen Liu +4 more
doaj +1 more source
A simplified controller and detailed dynamics of constant off-time peak current control [PDF]
, 2017 A fast and reliable current control is often the base of power electronic converters. The traditional constant frequency peak control is unstable above 50 % duty ratio.
Dimitrova, Ekaterina +3 more
core +2 more sources
Advanced Science, EarlyView.Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Md Abu Sayeed Biswas +6 more
wiley +1 more source
A Novel Wide Gain Range LLC Resonant Converter With Multiple Operating Modes
IET Power ElectronicsThis paper proposes a novel LLC resonant converter featuring two completely identical resonant circuits. By adjusting the control strategy of primary‐side switches, the two resonant circuits can operate independently or in series, allowing the entire ...
Yihui Xia +4 more
doaj +1 more source