Design of Resonant DC-DC LLC converter

Kali Naraharisetti, Janamejaya Channegowda, P. Green
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Abstract

The paper discusses the design of LLC resonant converter which provides high efficiency and high power density. The prototype designed in this paper is an LLC resonant converter and the paper goes into a detailed design and modelling of the LLC stage converter. The LLC resonant converter operates as a variable frequency converter. The design achieves an efficiency greater than 90 percent meeting several international standards for high efficiency. The results of the prototype design have also been verified using Simplis. The stability of the power supply has been verified using a frequency response analyzer.
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谐振型DC-DC LLC变换器的设计
本文讨论了一种高效率、高功率密度的LLC谐振变换器的设计。本文设计的样机是一个LLC谐振变换器,并对LLC级变换器进行了详细的设计和建模。LLC谐振变换器作为变频变换器工作。该设计达到了90%以上的效率,符合多项国际高效标准。利用Simplis对原型设计结果进行了验证。使用频率响应分析仪验证了电源的稳定性。
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