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| 題 名 | 變壓器過激磁諧波作用下比流計匝數比的數值模擬 |
|---|---|
| 作 者 | 許瑞銘; | 書刊名 | 技術學刊 |
| 卷 期 | 5:4 1990.12[民79.12] |
| 頁 次 | 頁399-404 |
| 分類號 | 448.23 |
| 關鍵詞 | 比流計; 匝數比; 過激磁; 數值; 模擬; 諧波作用; 變壓器; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 當電力變壓器運轉於過激磁下,由其所產生且含有高次諧波的輸出電流通過比流計一次側時;經由本文中比流計磁化曲線的數學模式及比流計二次側電流的數值模擬計算的分析結果得知,當變壓器輸出電流的諧波成份愈大,或比流計一次側的電流值愈偏離其額定的電流值,或比流計二次側負擔的相位角在30°附近時,在此情況下比流計匝數比的精確度是最差的。 |
| 英文摘要 | When power transformer operated under over excitation condition, the output currents which contain high order harmonics would flow through the primary winding of the current transformer. According to the result of the mathmatical model of magnetic curve of current transformer and the numerical simulation of secondary current of current transformer; we get, when the harmonic contents of output current of the transformer is larger, or the primary current values of current transformer deviates from the rating current values, or the phase angle of the secondary burden of cur-rent transformer is near close to 30°, the accuracy of current transformer ratio is worst in these conditions. |
本系統中英文摘要資訊取自各篇刊載內容。