A DSP-Based Dual-Loop Peak DC-link Voltage Control Strategy of the Z-Source Inverter

被引：93

作者：

Ellabban, Omar ^{[1
]}

Van Mierlo, Joeri ^{[2
]}

Lataire, Philippe ^{[2
]}

机构：

[1] Helwan Univ, Dept Power & Elect Machines, Fac Engn, Cairo 11790, Egypt

[2] Vrije Univ Brussel, Dept Elect Engn & Energy Technol, B-1050 Brussels, Belgium

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2012年 / 27卷 / 09期

关键词：

DC-link voltage control; direct digital control; dual-loop control; Z-source inverter; Z-SOURCE CONVERTER; BOOST VOLTAGE; DESIGN; IMPLEMENTATION; MODES;

D O I：

10.1109/TPEL.2012.2189588

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes a direct dual-loop peak dc-link voltage control strategy, with outer voltage loop and inner current loop, of the Z-source inverter (ZSI). The peak dc-link voltage is estimated by measuring both the input and capacitor voltages. With this proposed technique, a high-performance output voltage control can be achieved with an excellent transient performance including input voltage and load current variations with minimized nonminimum phase characteristics caused by the right half-plane zero in the control to peak dc-link voltage transfer function. Both controllers are designed based on a third-order small-signal model of the ZSI using the direct digital control method. The performance of the proposed control strategy is verified by simulation and experimental results of a 30-kW ZSI prototype.

引用

页码：4088 / 4097

页数：10

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