| Summary: | 碩士 === 逢甲大學 === 電機工程學系 === 105 === This thesis presents using vector control method to design a motor inverter. By formula derivation in this thesis find out that torque can be control by the current on the rotation coordinate. Because the torque of the motor can be directly control by the current, so the speed can be increase or decrease instantly. Then use SVPWM method to drive the inverter of the motor. Comparing with other control methods such as two phase conducted method or three phase conducted method, using SVPWM method has higher voltage efficiency and better performance. In this thesis, detecting rotor position by using Hall sensor then we can calculate the speed of the motor. After calculating the speed of the motor, the electrical of the rotor can be estimated. Afterwards, using SVPWM control method let the invertor drive the motor successfully. PID controller is design to maintain the constant speed of the motor, allowed the system can run stably under different load conditions.
In this thesis, a motor drive based on vector control theory is designed and implemented. Moreover, design a human interface that can monitor the motor data is also designed so that it is convenient to observe the system running situation. At last, a magnetic power meter is used to simulate different situations is under different loads and observes if the system can sustain stabilized.
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