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  • 學位論文

寬輸出電壓之串接型降壓-升壓功率因數修正器研製

Design and Implementation of a buck-boost Cascaded Power Factor Corrector with Wide Output Voltage Range

指導教授 : 陳裕愷
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摘要


本論文所提出之寬輸出電壓之串接型降壓-升壓功率因數修正器,來實現其功率因數修正功能,並藉由比較整流輸入電壓與輸出電壓來改變其降壓或升壓的工作模式。本系統以瑞薩微處理器,並利用預測型電流控制法調變脈波寬度,此將可以更增進其功率因數修正與總諧波失真的準確性。最後,實際製作1kW串接型降壓-升壓轉換器來實現高功率因數、低諧波與高效率之特性。

並列摘要


This thesis presents the design and implementation of a buck-boost cascaded converter with wide output voltage range to reach power factor correction. The buck mode of the proposed buck-boost converter is selected when the input rectifier voltage is higher than the output voltage. Similarly, the boost mode of the one is selected when the input rectifier voltage is lower than output voltage. In the proposed, the Renesas micro-controller is used and implemented with predictive pulse width modulation control, this method can improve the performance of the PF and THD. Finally, a 1kW buck-boost cascaded converter is proposed to reach high power factor, reduce the harmonic distortion of the input current, and improve the system efficiency.

參考文獻


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