A DC-link Voltage Ripple Compensation Method for Multilevel Active-Neutral-Point-Clamped Converters Operating with SHE-PWM

被引：0

作者：

Pulikanti, Sridhar R. ^{[1
]}

Konstantinou, Georgios S. ^{[2
]}

Ciobotaru, Mihai ^{[2
]}

Agelidis, Vassilios G. ^{[2
]}

机构：

[1] Univ Wollongong, Sch Elect Comp & Telecommun Engn, Wollongong, NSW 2252, Australia

[2] Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia

来源：

IECON 2011: 37TH ANNUAL CONFERENCE ON IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2011年

关键词：

Active neutral-point clamped converter; multilevel converter; selective harmonic elimination; pulse width modulation; INVERTERS;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents a DC-link voltage ripple compensation method for the five-level flying capacitor (FC) based active-neutral-point-clamped (ANPC) converter operating with selective harmonic elimination pulse width modulation (SHE-PWM). The compensation method modifies the modulation index according to the DC-link voltage ripple, which in turns alters the switching functions. The modification of the switching functions alleviates the effect of the DC-link voltage ripple on the output voltage. A control strategy is implemented to regulate the voltages across the FCs and the DC-link capacitors to their reference voltage levels. The performance of the compensation method is evaluated with experimental results taken from a low power laboratory prototype.

引用

页码：4354 / 4360

页数：7

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