頁籤選單縮合
題 名 | 整合式高功因電子式安定器之調光特性=Dimming Characteristics of the Integrated High Power Factor Electronic Ballast |
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作 者 | 華志強; 張政雄; | 書刊名 | 科技學刊 |
卷 期 | 8:2 1999.04[民88.04] |
頁 次 | 頁125-133 |
分類號 | 448.42 |
關鍵詞 | 安定器; 功率因數; 換流器; 調光特性; Ballast; Power factor; Inverter; Dimming characteristics; |
語 文 | 中文(Chinese) |
中文摘要 | 本文介紹一種簡單的方法,設計適用於螢光燈管之低成本、高功率因數電子式安 定器。 這種電子式安定器整合了利用自動電流修正技術的功率因數修正器和 Class-D 換流 器以減小電子式安定器的體積、降低其複雜度和節省成本。並且,探討市電電壓變動對電路 特性的影響,頻率控制和責任週期控制兩種不同控制方法對螢光燈管調光特性的影響並建立 等效燈管模型。最後,將上述之電子式安定器以軟體模擬和實際電路製作予以完成。 |
英文摘要 | This paper introduces a simple method to design a low cost, high power factor electronic ballast for fluorescent lamps. The proposed electronic ballsast which integrates the power factor corrector (PFC) with auto current shaping technique and the voltagefed Class-D inverter can be implemented with simplicity, compactness and low cost. Furthermore, the influence of the proposed scheme by the fluctuation of the utility voltage was studied and the difference of dimming characteristics with frequency control and duty-cycle control was investigated and compared. The equivalent circuit model of fluorescent lamps was built. The proposed controller for high power factor electronic ballast was tested and verified by simulations and experiments. |
本系統中英文摘要資訊取自各篇刊載內容。