A Digitalized Speed Controller for Field-oriented Induction Motor Drives

• Main Authors: Lin Min-Son, 林閩舜
• Other Authors: Lee Ching-Yuan
• Format: Others
• Language: en_US
• Published: 1993
• Online Access: http://ndltd.ncl.edu.tw/handle/33938191873309112546

碩士 === 大同工學院 === 電機工程研究所 === 81 === In this thesis, a digitalized speed regulator of induction motor is proposed by using indirect field-oriented method incorporated with space vector PWM technique to obtain quick response and noise-free operation. In particular, the PWM waveform are easier to generate with software according to different switching positions of space vector, it could enhance the variable speed drive to smooth current transfer easily and to suppress torque pulsation. he motor starts and accelerates at stand still according to By using a TMS320C14 microprocessor to execute the field-oriented control algorithm and digital PWM generation, all processing will be accomplished within 250us. Finally, it is shown that the proposed system has low distortion sinusoidal current waveform and quick response from 2 to 60 HZ.