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題 名 | 三相電力變壓器電壓相角之簡易推算法=An Easy Way for Calculating the Voltage Phase Angle of a Three-Phase Power Transformer |
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作 者 | 張哲騰; 呂仁清; 黃明進; 賴閣廷; | 書刊名 | 台電工程月刊 |
卷 期 | 695 民95.07 |
頁 次 | 頁66-71 |
分類號 | 448.23 |
關鍵詞 | 三相電力變壓器; 相位移角度; 繞組接線; Three-phase power transformer; Phase shift; Winding connection; |
語 文 | 中文(Chinese) |
中文摘要 | 三相電力變壓器、依其不同應用需求,高、低壓側可為Y接或△接,而高、低壓接線方式不同時將造成相位移,此種相位移因電力系統之相序不同亦會有超前或落後之區別,當兩電力系統併聯時併聯角度差將是併聯成功與否之要件之一,傳統向量法在解析電力變壓器併聯角度差時因過程煩瑣,易導致錯誤,本文依據電路學的理論,輔以方塊圖解析的方式,提出一種簡單、易懂的方法來解析電力變壓器併聯角度差的問題,以期取代煩瑣、易錯之向量法。 |
英文摘要 | A three-phase power transformer could be wye and delta connection at both high voltage and low voltage side windings due to the different application requirements. As the results, there is a phase shift existing between the two windings terminations. For system design, there are two sequences: one is postitive sequence and the other is negative sequence. The phase shift at different sequence shows the voltage a leading angle or lagging angle between the both side winding. As systems parallel connection, the shift angle is always great concern. Traditionally, it is always based on vector-graphic method for analyzing the phase displacement problem in parallel connection. Due to the vector-graphic method tending to confuse and mislead engineers in detail, this paper presents a simple and easy way to solve the phase shift problem instead of vector-graphic method for parallel connection. |
本系統中英文摘要資訊取自各篇刊載內容。