本文旨在開發三相感應馬達及機械負載之功率硬體模擬器，以便提供不同參數的感應馬達及運轉情境，作為馬達驅動系統的測試，解決馬達及機械負載傳統量測平台，變更馬達參數不易的問題。在信號硬體模擬器的硬體設備採用國家儀器公司的PXI系統及FPGA卡，並將載入Simulink所建立的三相感應馬達及機械負載模式的模擬程式，以供馬達驅動器的控制程式驗證。結合信號硬體模擬器及可變電壓及頻率的功率轉換器，以完成感應馬達及負載的功率硬體模擬器。本系統具有機械轉矩及轉速設定，及馬達在電動機模及發電機模式操作，以供待測感應馬達驅動器測試使用。在角位置及轉速的偵測方面，完成編碼器信號硬體模擬器，提供待測馬達驅動器的轉速及角位置回授使用。本文的功率硬體模擬器含有信號硬體模擬器、電壓及電流回授電路及三相支路電感耦合換流器。三相換流器採用電流閉迴路控制及信號硬體模擬器的電壓補償，以控制三相源換流器的交錯式脈波寬度調變控制，以電流響應快速。
本文的功率硬體模擬器實體，系統配合待測馬達驅動的轉速及電流閉迴路控制策略，以完成系統的實測。在傳統動力平台方面，馬達的轉速為1800rpm及負載轉矩為5N-m為條件，馬達操作於電動機模式時，穩態實測的a相電流峰值約為12.37 A，電流總諧波失真率為4.07%；在功率硬體模擬器實測，馬達操作於電動機模式時，穩態實測的a相電流峰值約為12.12 A，電流總諧波失真率為7.23%；Simulink的模擬穩態相電流峰值約為12.44 A，電流總諧波失真率為3.01%，其實測與模擬的電流誤差約為0.32A。在功率硬體模擬器實測發電機模式時，穩態感應馬達a相電流峰值約為12.06A，電流總諧波失真率為7.54%，對應於Simulink的模擬穩態相電流峰值約為12.36A，電流總諧波失真率為2.85%，實測與模擬的電流誤差約為2.5%。本文實測與模擬相接近，驗證本文系統可行性。

This thesis aims to development of power hardware in the loop (PHIL) for three-phase induction motor (IM) and mechanical load. In order to provide induction motors with different parameters and operating conditions, as a test of the motor drive system, to solve the traditional measurement platform for motors and mechanical loads, and it is not easy to change motor parameters. The singal hardware in the loop (SHIL) adopted PXI system of National Instruments and FPGA interface card, and IM model created by Simulink is loaded to FPGA adapter to complete the system. Combined with SHIL and power converter with variable voltage and frequency, PHIL of induction motor and load is completed. The system has mechanical torque and speed setting, and the motor operates in motor mode and generator mode for the test of device under test (DUT) to be tested. In terms of angular position and rotational speed detection, the encoder signal hardware in the loop is completed to provide feedback of rotational speed and angular position of the DUT to be measured. Three-Phase Inverter with four-branch coupled inductor adopts current closed-loop control and voltage compensation of PHIL to control the interleaved pulse width modulation control of three-phase inverter, which has fast current response.
The experiment of the PHIL with DUT in speed and current closed-loop control . In the traditional power platform, the motor speed is 1800rpm and the load torque is 5N-m. When the motor is operated in the motor mode, the steady-state measured phase-a current peak is about 12.37 A, and the current total harmonic distortion rate is 4.07. %; In the the PHIL, when the motor is operating in the motor mode, the measured steady-state a-phase current peak is about 12.12 A, and the current total harmonic distortion rate is 7.23%; Simulink's simulated steady-state phase current peak is about 12.44 A, the current total harmonic distortion rate is 3.01%, the current error between actual measurement and simulation is about 0.32A. In the actual generator mode of the PHIL, the peak value of the steady-state induction motor a-phase current is about 12.06A, and the current total harmonic distortion rate is 7.54%, which corresponds to the simulated steady-state phase current peak value of Simulink about 12.36A. The current total harmonic distortion rate is 2.85%, and the current error between actual measurement and simulation is about 2.5%. The closed results between experiment and simulation verify the feasibility of the system.

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