頁籤選單縮合
題 名 | 功率因數的改善 |
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作 者 | 簡明春; | 書刊名 | 中州學報 |
卷 期 | 7 1994.06[民83.06] |
頁 次 | 頁176-181 |
分類號 | 448.532 |
關鍵詞 | 功率因數; 主動式; 矯正器; |
語 文 | 中文(Chinese) |
中文摘要 | 本文探討功率因數的改善方式,在電路中改善功率因數的利益及使用電容器改善功率因數時應考慮因素。其一為交流電輾轉換為直流電源功率因數的矯正器,另一為交流系統中功率因數提高的方式及其影響。交流電中功率因數為有效功率 (P),與伏安功率 (Pa) 之比,在電路改善功率因數的方式最常用是提供無效功率。有關電源轉換的功率因數的改善方式為主動式功率因數的矯正器,分為單向性主動式功率因數的矯正器與雙向性主動式功率因數的矯正器。 |
英文摘要 | THIS PAPER TO DISCUSS THE IMPROVEMENT ON THE POWER FACTOR, AND ESSENTIAL CONSIDERATION SINGLEPHASE POWER FACTOR TO IMPROVE AND USE CAPACITOR TO IMPROVE POWER FACTOR ANDITS BENEFIT. IMPORTANT ONE FOR THE AC TO DC POWER FACTOR CORRECTOR., ANOTHER ONE FOR IMPROVE THE AC VOLTAGE POWER FACTOR STRUCTION AND REFLECTION WHEN AC SYSTEM'S POWER FACTOR INCREASING. THE POWER FACTOR IN AC SYSTEM IS THE RATIO OF POWER AND VOLT-AMPERE. THE MOST USUAL METHOD TO IMPROVE POWER FACTOR IS TO SUPPLY KVAR. THE IMPROVEMENT WAY FOR THE POWER FACTOR OF POWER INTERCHANGE IS THE CORRECTOR OF ACTIVELY POWER FACTOR. THERE ARE SINGLEDIRECT ACTIVE POWER FACTOR CORRECTOR AND TWO-DIRECT ACTIVE POWER FACTOR CORRECTOR. |
本系統中英文摘要資訊取自各篇刊載內容。