Direct Power Control Strategies of a Grid-Connected Three-Level Voltage Source Converter VSI-NPC

被引：0
作者：
Zaimeddine, R. [1 ]
Undeland, T. [1 ]
机构：
[1] Norwegian Univ Sci & Technol, Dept Elect Power Engn, Energy Convers Res Grp, N-7491 Trondheim, Norway
来源：
PROCEEDINGS OF THE 2011-14TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE 2011) | 2011年
关键词：
Direct power control; Grid connection; Three-level voltage source inverter; Switching table; power factor correction;
D O I：
暂无
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 switching table for direct power control (DPC) strategy is proposed for three-level NPC rectifier. The strategy is developed by analyzing active and reactive power and introducing convenient controllers to optimize the voltage selection which is the fundamental task in that control method. The dc-link voltages are maintained at the required level using hysteresis controller for the NP current exploiting the redundancy states of the rectifier. With a simple switching table, the excellent dynamic and transient performances are achieved under unity power factor operation. Simulation results verify the validity and feasibility of the proposed strategies.
引用
收藏
页数：7
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