Affiliation:
1. China University of Mining and Technology
Abstract
In this paper, on the basis of the mathematic model of the three-level PWM rectifier, a power feedforward based control strategy is proposed combining with direct power control with space vector modulation (DPC-SVM) control principle. Feedforward control can reduce or even eliminate the impact on the system causing by load disturbance to improve dynamic performance. The simulation results show that the control method makes the system response speed faster and the dynamic performance better, it largely improved the system rectifier capacity against load disturbances.
Publisher
Trans Tech Publications, Ltd.
Reference5 articles.
1. Jiuhe Wang, Wei Yang, Huade Li. Direct power decoupling control of three-phase boost type PWM rectifiers based on power feedforward [J]. Journal of Liaoning Technical University, 2007, 26(2), 238-241.
2. Shoudao Huang, Jihua Chen, Tiejun Zhang. Investigation of Load Current Feedforword Control Strategy for PWM Voltage Rectifier [J]. Power Electronics, 2005, 39(4), 53-55, 62.
3. Shijie Li. Research on the AC Drive System with the Back-to-Back Converter[D],2006. Beijing. Institute of Electrical Engineering, Chinese Academy of Sciences.
4. Wei Chen, Yunping Zou, Lijuan Xu, Direct power control for Neutral-point-clamped three-level PWM rectifier Industrial Technology, ICIT 2008. IEEE International Conference, 2008, p.1 – 6.
5. M. Malinowski, M. P. Kazmierkowski, S. Hansen, F. Blaabjerg, and G. D. Marquez, Virtual-flux-based direct power control of three-phase PWM rectifiers, IEEE Trans. Ind. Appl., vol. 37, no. 4, p.1019–1027, Jul. /Aug. (2001).