Results 311 to 320 of about 30,865 (351)

LLC Resonant Current Doubler Converter

2013
The telecommunications market is one of the large rapidly growing fields in today’s power supply industry due to the increasing demand for telecom distributed power supply (DPS) systems. The half-bridge LLC (Inductor-Inductor-Capacitor) resonant converter is currently the most attractive topology for the design and implementation of 24V/48V DC telecom ...
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Optimal Design Methodlogy for LLC Resonant Converter

Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06., 2006
Although LLC resonant converter can achieve wide operation range with high efficiency, lack of design methodology makes it difficult to be implemented. In this paper, based on the theoretical analysis on the operation principles during normal condition and holdup time, the relationship between converter efficiency and operation range with different ...
B. Lu, W. Liu, Y. Liang, F.C. Lee, J.D. Van Wyk   +4 more
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LLC resonant converter with quality factor limiter

2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe), 2016
This paper presents the concept of a high-power DC/DC class of converters with a Q-factor limiter based on a serial LLC type resonant circuit. The Q-factor limiter allows highly accurate determination of the voltage/current limit values in the resonant circuit's passive elements thus significantly increasing immunity to transient states.
Cezary Worek, Slawomir Ligenza, Rafal Widorek   +2 more
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Small-Signal Modeling of LLC Resonant Converters

2020 IEEE International Conference on Information Technology,Big Data and Artificial Intelligence (ICIBA), 2020
Owing to the advantages of high efficiency and high power density, LLC resonant converters have been widely used. Generally, in order to design the closed-loop regulator, the small-signal model is necessary. Nevertheless, the small-signal model of LLC resonant converter is usually complex and inconvenient to be used to design regulators. In this paper,
Yixiao Ma, Yun Wei, Hua Yang, Xin Cheng, Chen Zhang, Xuehua Wang   +5 more
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IMPLEMENTATION OF 480W LLC RESONANT CONVERTER

2019
This study presents the design of an LLC resonant converter as using the leakage inductance of the transformer instead of the inductance in the resonance tank. With serial resonant characteristics, the power MOSFETs are conducted at zero voltage switching and secondary diodes are commutating under soft switching, so the switching power losses on the ...
BULUT, Yunus, AŞÇI, Mertcan, AKIN, Burak   +2 more
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Variable-Frequency and Phase-Shift With Synchronous Rectification Advance On-Time Hybrid Control of LLC Resonant Converter for Electric Vehicles Charger

IEEE Journal of Emerging and Selected Topics in Industrial Electronics, 2023
Jing-Yuan Lin, Hsuan-Yu Yueh, Yi-Feng Lin, Pinzhi Liu   +3 more
semanticscholar   +1 more source

Analysis of multi-phase LLC resonant converters

2009 Brazilian Power Electronics Conference, 2009
In this paper a topology for multi-phase interleaved LLC resonant converter is presented. The proposed solution, based on three LLC modules with transformer primary windings star connection allows to drastically reduce the output current ripple and consequently to minimize the output filter capacitor size.
E. ORIETTI, MATTAVELLI, PAOLO, SPIAZZI, GIORGIO, C. ADRAGNA, G. GATTAVARI   +4 more
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A multioutput LLC-type parallel resonant converter

IEEE Transactions on Aerospace and Electronic Systems, 1992
When an LLC-type parallel resonant converter (LLC-PRC) operates above resonant frequency, the switching transistors can be turned off at zero voltage. Further study reveals that the LLC-PRC possesses the advantage of lower converter voltage gain as compared with the conventional PRC.
R. Liu, C.Q. Lee, A.K. Upadhyay
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Resonant LLC Converter For E-bike Charger

2019 International Conference on Electrical, Electronics and Computer Engineering (UPCON), 2019
In this paper, an e-bike charging solution for two wheelers, is presented. The proposed e-bike charger is realised by a Cuk converter followed by a LLC resonant converter with an improved power quality input current indices. The pulse width modulated (PWM) Cuk converter is operated in discontinuous inductor conduction mode (DCIM) of its input side ...
Rahul Pandey, Bhim Singh
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Charge current control for LLC resonant converter

2015 IEEE Applied Power Electronics Conference and Exposition (APEC), 2015
This paper proposes a charge current control method for LLC resonant converter where the total charge of the switch current is compared with the control voltage to modulate the switching frequency. Since the proposed control method uses resonant current for only a half switching cycle together with duty cycle balancing circuit, the circuit can be ...
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