The Design Of A Variable Frequency Variable Speed Induction Motor System Based On DSP

The speed governing of electromotor is one of the largest applied regions of the power electronic technology that has great attractive and huge challenge. Its market is thundering hugeness. It is reported that there are approximately more than ten billion different kinds of electromotor that are at work in the world. The output of our country's air conditioning for one year has already exceeded ten millions, only this market is extremely bulkiness. In addition, the application of the speed governing of electromotor is very comprehensive, such as machine tool, electric tool, electric locomotive, robot, white goods, the driver of computer, automobile, watercraft, steel rolling, paper manufacture and textile vocation and so on. Owing to the simple structure, the convenience of use and maintenance, the running credibility, the cheap price, the comparatively satisfied operating characteristic and the relatively high efficiency, the AC asynchronous motor takes on a very important station in transmission domain. The superiority of motor control technology is mostly incarnate in two aspects: One is the prominence of saving power; the other is the preeminent governing performance.In this paper, three phase AC asynchronous motor is the controlled object, regard TMS320LF2407A (16 fixed-points DSP chip) as the processor, based...