电力电子技术包括电力电子器件和由这些器件组成的各种变换电路及装置两个方面,其中电力电子器件是基础,它对装置的尺寸、重量、技术性能和价格有着极大的影响。每种新器件的出现,都将引起相关技术的重大变革。可以说,一代器件决定一代整机。 Power electronics technology includes power electronics and various conversion circuits and devices composed of these devices. Power electronics devices are the basis of the devices, which greatly affect the size, weight, technical performance and price of the devices. The emergence of each new device, will lead to major changes in related technologies. It can be said that a generation of devices decided to generation machine.