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首页> 外文期刊>Sadhana: Academy Proceedings in Engineering Science >Design and analysis of a full bridge LLC DC-DC converter for auxiliary power supplies in traction
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Design and analysis of a full bridge LLC DC-DC converter for auxiliary power supplies in traction

机译：用于牵引中辅助电源的全桥LLC DC-DC转换器的设计与分析

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This paper focuses on an 8 kW LLC resonant full bridge DC-DC converter topology using a high frequency transformer for auxiliary power supply systems in traction. The full bridge DC-DC converter with the LLC resonant network has been tested under hard switching and zero current switching conditions with 100 kHz switching frequency. In addition to this, an observation made for the effect of dead time variation of the power switches to improve the overall system efficiency. This paper describes the efficiency of the ZCS full bridge converter by considering different input power levels and also compared with hard switched topology. This paper presents the operating principles, simulation analysis, and experimental verification for 3 kW to 8 kW LLC resonant full bridge converter with 1200 V/40 A IGBTs, and its efficiency comparison.
机译：本文侧重于8 kW LLC谐振全桥DC-DC转换器拓扑，用于牵引中的辅助电源系统。 具有LLC谐振网络的全桥DC-DC转换器已经在硬开关和100 kHz开关频率的零电流切换条件下进行了测试。 除此之外，对电源开关的死区时间变化的影响，提高了整体系统效率的观察。 本文通过考虑不同的输入功率水平，介绍了ZCS全桥转换器的效率，也介绍了与硬开关拓扑相比的不同输入功率水平。 本文介绍了3千瓦至8千瓦LLC谐振全桥转换器的操作原理，仿真分析和实验验证，具有1200 V / 40 A IGBT，其效率比较。

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