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工業技術研究院

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技術名稱: 降壓型主動式功因修正裝置

技術簡介

降壓式功率因數修正裝置,可運用於各種輸出電壓低於輸入電壓之電源供應器,並具有高電路轉換效率、高功率因數、低電流諧波失真及控制簡單等優點。本創作之降壓式功率因數修正器利用一耦和電感及一電容器提供工作電流路徑,解決傳統降壓式功率因數修正器的盲區(Dead Zone)問題;在控制方面,只需簡單的控制方式便能達到高功率因數、低諧波失真及高電路轉換效率等優點。

Abstract

Buck PFC structure is adopted for power supply, whose output voltage is lower than input voltage. Proposed buck PFC structure, using one coupling capacitive and one coupling inductance to create a new current path, fixes the dead zone problem on conventional buck PFC structure. Besides, with a simple control topology, proposed structure could easily have the advantages of high power factor, low harmonic distortion and high power conversion efficiency.

技術規格

轉換效率>91%;功率因數>0.98;諧波失真;<16% @110Vac

Technical Specification

Efficiency>91%;PF>0.98;THDi<110Vac @110Vac

技術特色

1.技術目前已達試量產及實場驗證階段 2.低電磁干擾提高電源品質及降低防護成本 3.低輸出電壓降低後級電路應力,提高產品可靠度 4.高效率、高功因、低諧波優異電氣性能,提高產品接受度

應用範圍

3C電子產品

接受技術者具備基礎建議(設備)

電子產品生產、製造與檢測設備

接受技術者具備基礎建議(專業)

具備電子、電機之研發工程人員與銷售業務

技術分類 01 綠能環境

聯絡資訊

聯絡人:蔡文田 智慧節能系統技術組

電話:+886-3-5913247 或 Email:itriA20152@itri.org.tw

客服專線:+886-800-45-8899

傳真:+886-3-5820275

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