A New Nested Neutral Point-Clamped (NNPC) Converter for Medium-Voltage (MV) Power Conversion

被引：156
作者：
Narimani, Mehdi [1 ,2 ]
Wu, Bin [1 ]
Cheng, Zhongyuan [2 ]
Zargari, Navid Reza [2 ]
机构：
[1] Ryerson Univ, Dept Elect & Comp Engn, Toronto, ON M5B 2K3, Canada
[2] Rockwell Automat, Cambridge, ON N1R 5X1, Canada
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2014年 / 29卷 / 12期
关键词：
DC-AC power conversion; multilevel converter; space vector modulation (SVM); MULTILEVEL; TOPOLOGIES; INVERTERS;
D O I：
10.1109/TPEL.2014.2306191
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：
In this paper, a new voltage source converter for medium voltage applications is presented which can operate over a wide range of voltages (2.4-7.2 kV) without the need for connecting the power semiconductor in series. The operation of the proposed converter is studied and analyzed. In order to control the proposed converter, a space-vector modulation (SVM) strategy with redundant switching states has been proposed. SVM usually has redundant switching state anyways. What is the main point we are trying to get to? These redundant switching states help to control the output voltage and balance voltages of the flying capacitors in the proposed converter. The performance of the converter under different operating conditions is investigated in MATLAB/Simulink environment. The feasibility of the proposed converter is evaluated experimentally on a 5-kVA prototype.
引用
收藏
页码：6375 / 6382
页数：8
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