Switched-capacitor programmable filter for power converters

被引：0

作者：

Belloni, F. ^{[1
]}

Della Giustina, D. ^{[1
]}

Maranesi, P. ^{[1
]}

Riva, M. ^{[1
]}

机构：

[1] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

来源：

EPE: 2009 13TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS, VOLS 1-9 | 2009年

关键词：

Education tool; Power conditioning; Control methods for electrical systems;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

A switched-capacitor programmable filter is proposed as educational too] for the feedback compensation of power converters. The transfer function of the external feedback network, expressed in the Z-transform domain, can be assigned by means of Multiplying DACs. The cancellation of poles and zeros of switching power cells is precisely implemented even in the case they are complex. An ideal final single pole loop gain transfer function can be obtained after choosing the gain-bandwidth product and the dominant pole. Educational laboratories of power electronics in Universities awarding the MS and the Ph.D degrees can benefit from this tool. Duly reprogrammed, it avoids the realization of a dedicated controller for each power conversion exercise and it opens the possibility to investigate some aspects of the dynamic stability experimentally. The paper illustrates the compensation of a pulse width modulated step-down DC/DC converter. Measurements well fit the theoretical forecasts.

引用

页码：1168 / 1176

页数：9

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