在并网三相SVPWM电流源逆变器中提出了一种新的PRD控制方法

2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2012-06-25 DOI:10.1109/PEDG.2012.6254047

M. Mao, Shi-Ting Weng, Fuyang Liu, Liuchen Chang, M. Ding, Hongbin Wu

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引用次数: 7

摘要

针对直接驱动永磁同步风力发电系统中的并网电流源逆变器，提出了一种基于比例谐振微分(PRD)控制的新型控制方法。通过对两相固定框架中PRD控制器参数的优化设计，CSI系统可以实现零稳态误差控制，并且仅通过反馈并网电流即可有效地抑制输出LC滤波器引起的谐振。这不仅大大简化了控制器的设计，而且提高了系统的稳定性。仿真结果表明，该方法具有快速的动态响应和良好的稳态性能。

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A novel PRD control method damping resonance in grid-connected three-phase SVPWM current source inverter

A novel control method based on the proportional resonant differential (PRD) control is proposed for the grid-connected current source inverter (CSI) used in the direct drive permanent magnet synchronous wind generation system. By the optimal design of the parameters of the PRD controller in two-phase stationary frame, the CSI system can realize zero steady-state error control and effectively damp the resonance caused by its output LC filter just by feeding back the grid-connected current. This not only greatly simplifies the controller design but also enhances the stability of the system. Simulation results show grid-connected CSI with this method has fast dynamic response and good steady-state performances.

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2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

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