LCLC谐振变换器谐振电流的研究

赵斌; 王刚; 王东蕾

doi:10.11999/JEIT160752

LCLC谐振变换器谐振电流的研究

doi: 10.11999/JEIT160752

2.
(中国科学院电子学研究所空间行波管研究发展中心北京 100190) ②(中国科学院大学北京 100039)

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出版历程
- 收稿日期: 2016-07-14
- 修回日期: 2016-12-26
- 刊出日期: 2017-06-19

Research on the Resonant Current of the LCLC Resonant Converters

2.
(Space Travelling-Wave Tube Research Center, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)

摘要

摘要: 由于LCLC谐振变换器能够同时实现开关管的零电压、零电流开通和关断，因此广泛应用于行波管电源中。然而，在实际电路测试中出现的反向谐振电流以及开关管关断时谐振电流不为零的问题，造成LCLC谐振变换器的效率下降。该文从LCLC谐振变换器的工作原理出发，推导了上述两个问题出现的原因，并给出了解决方案。通过软件仿真的方法，给出了用于LCLC谐振变换器的经验数值。最后，通过软件仿真以及实际测试两种方法验证了上述分析。
- LCLC谐振变换器 /
- 零电压、零电流开关 /
- 谐振电流 /
- 经验数值
Abstract: As the advantages of zero-current-switching and zero-voltage-switching, the LCLC resonant converters are widely used in power supplies of Travelling-Wave Tubes (TWT). However, the problems such as the reverse resonant current and the non-zero resonant current in the converter drop the efficiency. In this paper, the above problems are explained by the working principle of the converter and the solutions to the problems are also given. Based on the simulations, empirical data is given to guide the design of the LCLC resonant converters. Finally, the analysis is validated by the simulations and experiments.
- LCLC resonant converters /
- Zero-voltage-switching zero-current-switching /
- Resonant current /
- Empirical data

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参考文献(19)

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