Results 41 to 50 of about 3,886 (229)
Isolated DC-DC UPS based in a forward-forward converter analysis and design [PDF]
, 2008 This paper presents the analysis, design and simulation from a simple DC-UPS converter with integrated back-up and automatic transition. This converter makes automatic transition between the main AC and the battery when a failure occurs, and it delivers ...
Esparza González, Mario S. +3 more
core +1 more source
IEEE Access, 2021 The main purpose of this paper is to present a developed modular laboratory course for the industry sponsored “Research and Design Master Program” in power electronics.
Wen-Shyue Chen, Yen-Shin Lai
doaj +1 more source
New Cell Balancing Technique Using SIMO Two-Switch Flyback Converter with Multi Cells
Energies, 2022 Recently, as the perception of eco-friendliness has changed, the demand for energy storage devices has been rapidly increasing due to the growth of the electric vehicle industry and smart grid facilities, which are emerging as an alternative to next ...
Ui-Jin Kim, Sung-Jun Park
doaj +1 more source
HIGH DENSITY COLD CORONA GENERATOR FOR INCREASE OXYGEN IN WATER STORAGE [PDF]
European Journal of Materials Science and Engineering, 2020 This paper presents high density cold corona generator for increase oxygen in water storage system by applied high intensity electric field corona energy. Using converter principle and controlling of the switching by IC#555.
Siseerot KETKAEW
doaj +1 more source
Analysis of Leakage Inductance for Toroidal Type Flyback Transformer [PDF]
The Transactions of the Korean Institute of Power Electronics, 2014 This paper presents an analysis of a leakage inductance for a toroidal type flyback transformer. The equation to calculate the leakage inductance is derived using the MMF diagram of the transformer. The analysis for the different types of the cores and winding structures is also provided using the FEM simulation.
Chang-Soo Park +3 more
openaire +1 more source
A Turn-Ratio-Changing Half-Bridge CLLC DC–DC Bidirectional Battery Charger Using a GaN HEMT
Energies, 2023 This paper presents a 250 kHz bidirectional battery charger circuit using a GaN HEMT. The charger is subjected to a high-/low-side constant voltage at 200 V/20 V. The charger circuit is a hybrid of the LLC and flyback circuit topologies.
Yueh-Tsung Shieh +8 more
doaj +1 more source
A Single-Stage LED Driver Based on ZCDS Class-E Current-Driven Rectifier as a PFC for Street-Lighting Applications [PDF]
, 2018 This paper presents a light-emitting diode (LED) driver for street-lighting applications that uses a resonant rectifier as a power-factor corrector (PFC).
Chainarin Ekkaravarodome +5 more
core +2 more sources
Sustained arc ignition system [PDF]
, 1977 Circuitry for maintaining an arc or spark across a spark gap for a desired length of time is disclosed. A high voltage, direct current source is connected in series with a secondary winding of a high voltage, stepup transformer or coil and a spark gap ...
Birchenough, A. G.
core +1 more source
Common-Mode Noise Cancellation in Switching-Mode Power Supplies Using an Equipotential Transformer Modeling Technique [PDF]
, 2012 Electromagnetic interference (EMI) is a significant challenge in the design of high-efficiency switching-mode power supplies due to the presence of common-mode (CM) noise.
Chan, YP, Liu, JCP, Pong, BMH, Poon, NK
core +1 more source
3D MR Thermometry Using Bi‐Directional Segmented EPI for Transcranial‐Focused Ultrasound
Magnetic Resonance in Medicine, Volume 95, Issue 4, Page 2106-2116, April 2026.ABSTRACT Purpose To evaluate the feasibility of replacing clinically utilized 2D thermometry with 3D segmented EPI‐based thermometry with equivalent accuracy, precision, and scan time. Methods A 3D segmented EPI (segEPI) trajectory was modified to allow readouts along both the forward and reverse direction for each phase encoding line, and the sequence
Michael Malmberg +5 more
wiley +1 more source