| Summary: | 碩士 === 崑山科技大學 === 電子工程研究所 === 97 === In this paper, a stable and efficient control of the frequency of pure AC induction motor. AC induction motors is industrial motion control systems and home appliances in the most used motors commonly, structure simple, reliable, low-cost, low maintenance rate, and can be directly connected to AC power, These are the main advantages of AC induction motor.Since the microprocessor and technological progress , constantly improve its performance, gradually reduce the price,it is foreseeable future induction motor control technology will be widely used in various industries.
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