Control of Neutral Point and Flying Capacitor Voltages in Five-Level SHE-PWM Controlled ANPC Converter

被引：26
|
作者：
Pulikanti, Sridhar R. [1 ]
Agelidis, Vassilios G. [1 ]
机构：
[1] Univ Sydney, Sch Elect & Informat Engn, Sydney, NSW 2006, Australia
来源：
ICIEA: 2009 4TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, VOLS 1-6 | 2009年
关键词：
Selective harmonic elimination; pulse-width modulation; neutral point clamped converter; active neutral point clamped converter; flying capacitor converter;
D O I：
10.1109/ICIEA.2009.5138191
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a control strategy for a five-level active neutral point clamped (ANPC) converter using selective harmonic elimination pulse-width modulation (SHE-PWM) method. The control strategy is used to balance both the voltage across the flying capacitors and the dc-link neutral point. The strategy introduces a small change in the switching angles, which is decided upon the voltage across the lower dc-link capacitor, the voltage of the flying capacitor and the direction of the load current. Simulation results generated by MATLAB/SIMULINK are presented to confirm the satisfactory performance of the proposed control strategy. The simulated distribution profile of the semiconductor losses is also reported.
引用
收藏
页码：172 / 177
页数：6
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