以SIMULINK與IsSpice模擬質子交換膜燃料電池應用於自主式水下載具之電力轉換

Simulation of PEM Fuel Cells Based DC Power Conversion for Applications in AUVs

本文評估質子交換膜燃料電池作為自主式水下載具電力電源之可行性，首先以SIMULMK模擬質子交換膜燃料電池以獲得直流輸出電壓12V，再將該電壓經直流／直流電源轉換器之SIMULINK模型轉為自主式水下載具所需之直流5V與24V電壓等，進而探討因自主式水下載具之負載切換對燃料電池輸出電壓及電源轉換器輸出電壓之影響，再以IsSpice與實驗量測來驗證模擬結果之準確性。 This paper is based on MATLAB/SIMULINK to simulate proton exchange membrane (PEM) fuel cells for a 2kW 9-cell stack with an output voltage of 12V-dc for applications in autonomous underwater vehicles (AUVs). Moreover, an ideal dc-to-dc power converter with a pulse width modulation technique which was modeled by using SIMULINK is used to convert the voltage from 12V to 5V and 24V for the supply to other loads of AUVs. In addition, the effects of loads changes on the output voltage of PEM fuel cells and the output voltage of DC/DC power converters for AUVs are investigated. Finally, the results obtained from the SIMULINK simulation are compared with the results obtained from IsSpice program as well as experimental measurements.