基于电流模式编程的DC-DC变换器的简单建模方法

M. Brunk, J. Kunze
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摘要

提出了一种基于变换器平均量非线性差分方程的单基DC-DC变换器电流模式规划的时域仿真方法。进一步的建模步骤导致一个大信号连续时间等效电路,包括小信号情况。两种方法都允许自动检测连续和不连续的传导模式。本文考虑了几个数值例子来比较不同的方法,并说明所提出方法的合理性和有效性。
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A simple modelling approach for DC-DC converters with current mode programming
A simple time-domain simulation technique for single basic DC-DC converters with current mode programming based on nonlinear difference equations with respect to averaged converter quantities is presented. Further modelling steps lead to a large-signal continuous-time equivalent circuit including the small-signal case as well. Both methods permit the automatic detection of continuous and discontinuous conduction mode. Several numerical examples are considered to compare different approaches and to show the justification and usefulness of the methods presented.<>
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