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详细介绍了SVG的基本原理与控制方法,并从性能上与SVC系统作了比较,指出SVG是动态无功补偿的发展方向。另外介绍了三电平逆变器的PWM控制方法,指出SVP-WM是三电平逆变器PWM控制方法的发展方向。还介绍了新的电力电子器件和新技术在SVG中的应用,指出随着超导储能技术和新的开关技术的发展,基于电流型逆变器的SVG也将得到广泛应用。
The basic principles and control methods of SVG are introduced in detail. Compared with SVC system, SVG is pointed out that SVG is the development direction of dynamic reactive power compensation. In addition, PWM control method of three-level inverter is introduced. It is pointed out that SVP-WM is the development direction of three-level inverter PWM control method. The application of new power electronics and new technology in SVG is also introduced. It is pointed out that with the development of superconducting energy storage technology and new switching technology, SVG based on current inverter will also be widely used.