Virtual-flux-based direct power control of three-phase PWM rectifiers

被引:517
|
作者
Malinowski, M [1 ]
Kazmierkowski, MP
Hansen, S
Blaabjerg, F
Marques, GD
机构
[1] Warsaw Univ Technol, Inst Control & Ind Elect, PL-00662 Warsaw, Poland
[2] Danfoss Drives AS, DK-6300 Grasten, Denmark
[3] Univ Aalborg, Inst Energy Technol, DK-9220 Aalborg, Denmark
[4] Univ Tecn Lisboa, Inst Super Tecn, P-1049001 Lisbon, Portugal
关键词
direct power control; instantaneous active and reactive power; pulsewidth-modulated rectifier; virtual flux; voltage-sensorless operation;
D O I
10.1109/28.936392
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper, direct power control (DPC) of three-phase pulsewidth-modulated rectifiers without line voltage sensors is presented. The new system is based on virtual flux (VF) estimation. Theoretical principles of this method are discussed. The steady-state and dynamic behavior of VF-DPC are presented that illustrate the operation and performance of the proposed system compared to a conventional DPC method. Both strategies are also investigated under unbalance and predistorted grid. It is shown that the VF-DPC exhibits several advantages, particularly providing sinusoidal line current when the supply voltage is not ideal. Test results show the excellent performance of the proposed system.
引用
收藏
页码:1019 / 1027
页数:9
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