Effects of output filter on cross regulation in SRC

J. P. Agrawal, C. Q. Lee
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引用次数: 4

Abstract

An analysis is presented of the cross regulation performance of multioutput series resonant converter (SRC) topologies using multiwinding transformers. The steady-state cross-regulation characteristics are derived using state-plane techniques and illustrated by examples of two-output SRCs with capacitive and inductive filters. The characteristic curves show that over some range of output currents, the cross regulation performance of the SRC with the inductive filter is much improved over the SRC with the capacitive filter and less dependent on the tolerances in the leakage inductances and the level of loading on the unregulated outputs. The converter control characteristics of the SRC with the inductive filter are relatively unaffected by the addition of the second output. The theoretical results were verified by simulation.<>
输出滤波器对SRC中交叉调节的影响
分析了采用多绕组变压器的多输出串联谐振变换器(SRC)拓扑结构的交叉调节性能。利用状态平面技术推导了稳态交叉调节特性,并通过带有电容和电感滤波器的双输出src的例子进行了说明。特性曲线表明,在一定的输出电流范围内,带电感滤波器的SRC的交叉调节性能比带电容滤波器的SRC要好得多,并且对漏电感容差和非调节输出负载水平的依赖性较小。带电感滤波器的SRC的变换器控制特性相对不受第二个输出的影响。通过仿真验证了理论结果。
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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CiteScore
1.40
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