一般负载阻抗开关变换器传递函数的简化

Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI:10.1109/PEDS.1995.404930

M. Shoyama, Y. Hamafuku, N. Matsuzaki, T. Ninomiya

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引用次数: 8

摘要

传统上，开关DC-DC变换器的小信号特性分析通常假设负载是纯电阻，主要是为了分析简单。然而，在许多情况下，实际负载不一定是纯电阻。本文通过引入一些通常满足的假设，给出了具有一般负载阻抗的正激开关变换器占空比与输出电压的简化传递函数。通过与实验数据的比较，验证了简化传递函数的有效性。这种方法也适用于其他一些开关转换器拓扑结构

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Simplification of transfer function in switching converter with general load impedance

Conventionally the small-signal characteristics of switching DC-DC converters have usually been analyzed on the assumption that the load is a pure resistance mainly for analytical simplicity. However, in many cases an actual load is not necessarily a pure resistance. This paper presents a simplified transfer function of duty ratio to output voltage of the forward switching converter with a general load impedance by introducing some assumptions which are usually satisfied. The validity of the simplified transfer function is confirmed by comparing computer-calculated results with experimental data. This approach is applied to some other switching converter topologies.<>

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Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95

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