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題 名 | 空間向量調變法之三相高功因轉換器=Three-Phase High Power Factor Converter Using Space Vector Modulation Strategy |
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作 者 | 林伯仁; 吳登平; | 書刊名 | 技術學刊 |
卷 期 | 14:1 1999.03[民88.03] |
頁 次 | 頁153-162 |
分類號 | 448.25 |
關鍵詞 | 空間向量調變法; 磁滯電流控制; 功因改善; Space vector modulation; Hysteresis current control; Power factor correction; |
語 文 | 中文(Chinese) |
中文摘要 | 本論文介紹一種三相交/直流轉換器之控制技術,此種控制法則結合了空間向量調 變法及磁滯電流控制技術的優點,因此可簡化硬體電路、降低成本,並改善暫態響應。本文 運用空間向量調變法來控制開關的動作,使得在任一瞬間都只有兩個開關作切換來控制輸入 電流的波形,藉以減少切換損失。此外,本文使用區域平均分析法,藉以證明交流端及直流 端的瞬間功率平衡。最後經由電腦模擬及實驗結果證明此系統具有單位功因、正弦波輸入電 流及雙向功率傳輸的特性。 |
英文摘要 | This paper presents a three-phase AC to DC converter using a space vector modulation strategy. The combination of the hysteresis current control technique and space vector modulation strategy can simplify hardware circuits and reduce costs. Furthermore, the input current can be made to follow any desired waveform. By using the proposed control scheme, only two of the switches are active at any one time to approach the desired waveform. Hence the switching loss can be reduced. The local average method is applied to prove the instantaneous power balance between the ac source and the dc side. Finally, simulated and experimental results are presented to verify the characteristics of the unity power factor, sinusoidal input current, and bidirectional power flow capability. |
本系統中英文摘要資訊取自各篇刊載內容。