Active Battery Voltage Equalization Based on Chain-Loop Comparison Strategy
This paper describes active battery balancing based on a bidirectional buck converter, a flyback converter, and battery cells by using the proposed chain-loop comparison strategy.
Kuo-Ing Hwu +2 more
doaj +1 more source
Coupled-inductor High Step-up Integrated Topologies: Synthesis, Analysis and Experimental Results
This paper presents a new integration concept to generate high voltage step-up non-isolated DC/DC converters with the aid of coupled-inductors. The integration concept relies on the separation of the converter circuit into two or three parts named input,
Jacson R. Dreher +3 more
doaj +1 more source
A life prediction scheme for electrolytic capacitors in power converters without current sensor [PDF]
Predicting the expected life of switching power supply is essential since unexpected failure of the subsystem can produce enormous loss. Electrolytic capacitor is the weakest among various power components in a power converter.
Pang, HM, Pong, BMH
core +1 more source
Soft‐Switched Non‐Isolated Double‐Input High Step‐Up Converter With Low Input Current Ripple
This paper presents a high step‐up dual‐input, single‐output DC–DC converter with zero‐voltage switching and a voltage multiplier circuit to enhance efficiency. The design reduces voltage stress on switches and ensures low input current ripple. Experimental results confirm 96% efficiency, making it ideal for renewable energy applications. ABSTRACT This
Hayder Ameer Hasan Al‐Ameedee +3 more
wiley +1 more source
Interleaved Boost-Flyback Converter with Boundary Conduction Mode for Power Factor Correction [PDF]
This paper presents a new interleaved pulse-width modulation (PWM) boost-flyback converter to achieve power factor correction (PFC) and regulate DC bus voltage. The adopted boost-flyback converter has a high voltage conversion ratio to overcome the limit of conventional boost or buck-boost converter with narrow turn-off period.
Bor-Ren Lin, Chih-Cheng Chien
openaire +1 more source
An Efficiency Optimization Strategy for Paralleled Phase‐Shift Full‐Bridge Modules
A new efficiency optimisation strategy is designed in this method to address the efficiency issue of phase‐shifted full‐bridge converters with parallel input and output. This strategy can effectively improve the efficiency of the converter, and the efficiency improvement under light load can reach 5% ABSTRACT An optimisation approach aimed at boosting ...
Jizhou Liu, Chunyin Gong, Yiyun Zhang
wiley +1 more source
Isolated DC-DC UPS based in a forward-forward converter analysis and design [PDF]
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
Variable on‐Time Controlled Buck‐Boost PFC Converter in Critical Conduction
This paper introduces a VOT control strategy for buck‐boost PFC converters to theoretically eliminate harmonic impacts and improve performance. By detecting on‐time and off‐time intervals within switching cycles and adjusting the modulation wave, the strategy reduces THD and enhances PF.
Chaoran Zhuo +4 more
wiley +1 more source
1. A new step‐up DC‐DC converter is introduced for DC microgrids. 2. The converter integrates SEPIC structure, a coupled inductor, and voltage‐boosting cells to achieve an ultra‐high voltage gain compared to its base converters. 3. It features a common ground between input and output, minimising leakage capacitance and EMI. 4.
Hamed Abdi +3 more
wiley +1 more source
Novel Integrated Three-Port Bidirectional DC/DC Converter for Energy Storage System
The study proposes a novel integrated three-port bidirectional dc/dc converter for energy storage systems. The converter includes two batteries, namely 24- and 48-V batteries, used as input source and for backup energy, respectively.
Yu-En Wu, I-Chun Chen
doaj +1 more source

