Neutral current ripple minimization in a three-level rectifier

被引：16

作者：

Bendre, A ^{[1
]}

Venkataramanan, G

机构：

[1] DRS Power & Control Technol, Adv Dev Grp, Milwaukee, WI 53216 USA

[2] Univ Wisconsin, Dept Elect & Comp Engn, Madison, WI 53706 USA

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2006年 / 42卷 / 02期

基金：

美国国家科学基金会;

关键词：

control; inverters; modulation; multilevel; neutral; rectifiers;

D O I：

10.1109/TIA.2005.863902

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper proposes a novel neutral-point voltage regulator for a three-level diode clamped rectifier that uses a fast space vector modulator in conjunction with a sharing function controller for neutral-point regulation. Redundant state choices are controlled via a continuous sharing function, and small signal models are developed for closed-loop regulators with this sharing function as the control variable. A significant improvement is seen in the voltage distortion at the neutral point when the regulator is used, and this leads to a definitive reduction in the required dc bus capacitance.

引用

页码：582 / 590

页数：9

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