单开关电隔离准z源DC-DC变换器

2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG) Pub Date : 2015-09-24 DOI:10.1109/POWERENG.2015.7266381

A. Chub, D. Vinnikov

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引用次数: 18

摘要

提出了一种新颖的单开关电隔离准z源DC-DC变换器。它源于传统的单开关非隔离准z源DC-DC变换器。新的拓扑结构在基于变压器的电隔离阻抗源DC-DC转换器的类别中，而现有拓扑结构仅在基于耦合电感的类别中。这种简单的解决方案具有低成本，高效率和可靠性，适合低功耗或低压应用。通过PSIM仿真和200w样机实验验证了理论预测。利用组合能量传递原理进一步改进了拓扑结构。

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Single-switch galvanically isolated quasi-Z-source DC-DC converter

A novel galvanically isolated quasi-Z-source DC-DC converter with a single switch is presented. It is derived from the conventional single-switch nonisolated quasi-Z-source DC-DC converter. The new topology is within the transformer based class of the galvanically isolated impedance-source DC-DC converters, while existing topologies are solely within the coupled inductor based class. This simple solution features low cost, high efficiency and reliability that suits low power or low-voltage applications. Theoretical predictions were verified with simulation in PSIM and experimentally with a 200 W prototype. The topology is further improved using the combined energy transfer principle.

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来源期刊

2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG)

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