本論文提出一套整合諧波補償功能之不斷電系統研製，此系統係以互動型架構為基礎，並加強其電流諧波濾除與改善市電功率因數之能力，使以確具提昇電源品質與供電可靠度之優勢。該系統可自動偵測市電電源運轉狀況，以驅使單級電能轉換器操作於諧波補償狀態或備用穩壓狀態，並提供穩定可靠且不間斷之電源供給各連接負載，且其控制電路之設計，僅需一組電流回授訊號，更有助於控制電路設計之精簡。同時，本系統可經由雙向直流對直流轉換器對蓄電池模組進行充電儲能，並於市電中斷瞬間，由蓄電池模組進行放電釋能，使電能轉換器保有充裕之能量，裨於系統輸出穩定度之提昇。本研製系統經由理論分析及實作驗證，並可得知本文所提之整體系統架構確已有效達成諧波補償與改善市電功率因數之功能，應已兼備研製參考與實用生產價值。

　　In this thesis, uninterruptible power supplies integrated with harmonics compensation capability is proposed. The system is constructed based on the interactive structure, where the harmonic filtering and the improvement of utility power factor are also included in anticipation of increasing the quality of supplying power. With the employment of such a proposed system, the single-stage power converter can be adaptively operated at harmonic compensation mode or stabilization mode, by which the power can be reliably provided for the connected loads without interruption. In the operation of the proposed system, the battery module can be charged by the bi-directional DC-to-DC converter so that once the main power failure occurred, the battery module will release the power for the stabilization of the power converter. Moreover, with the proposed circuit design, only one current feedback signal is required; hence, the control circuit design can be simplified. This proposed approach has been tested through the theoretical analysis and experimental validation. Test results help support the feasibility and practical values of the method.

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