变速恒频风力发电系统中的电力电子技术

Power Electronic Technology in Wind Generation System of Variable Speed Constant Frequency

对变速恒频风力发电系统中的电力电子技术的最新发展做了全面综述。介绍了常用的变速恒频发电系统的典型结构及其优缺点,并重点以直驱型风力发电系统和双馈型风力发电系统为例,介绍了全功率变换器、双脉宽调制(PWM)变换器、矩阵变换器等典型的功率变换技术及其在系统中的应用。另外,还介绍了转子电流控制器等一些最新的在变速恒频风力发电系统中应用的电力电子变换技术。

The latest development of power electronic technology in wind generating system of variable speed-constant frequency （VSCF） is summarized. The typical structure, merits and demerits of general VSCF wind generating system are analyzed. The relative power electric technology and application in the direct-driven wind generating system and double-fed wind generating system, such as the full power converter, dual PWM converter, matrix converter, are introduced in detail. In addition, some new converters in VSCF wind generating system, such as rotor current controller, are also discoursed.