研究生: |
柯唯翔 Wei-hsiang Ko |
---|---|
論文名稱: |
鐵路牽引系統電力品質之分析與程式開發 Power Quality Analysis and Program Development for Railway Traction Systems |
指導教授: |
辜志承
Jyh-cherng Gu |
口試委員: |
陳在相
Tsai-hsiang Chen 蕭弘清 Horng-ching Hsiao 楊金石 Jin-shi Yang 蔡孟伸 Men-shen Tsai |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電機工程系 Department of Electrical Engineering |
論文出版年: | 2011 |
畢業學年度: | 99 |
語文別: | 中文 |
論文頁數: | 257 |
中文關鍵詞: | 電力品質 、牽引系統 、諧波分析 、諧波濾波器 |
外文關鍵詞: | power quality, traction system, harmonic analysis, harmonic filter |
相關次數: | 點閱:433 下載:5 |
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隨著鐵道運輸系統容量之快速成長,對於鐵路牽引系統電力品質之議題亦逐漸受到重視。由於牽引負載具有隨機波動、變化急劇及含有豐富諧波等特性,於運行時將對於電力系統造成電壓不平衡、負序電流以及諧波汙染等,嚴重影響到電力系統上其他用戶之用電品質。
本文旨在開發一牽引供電系統之諧波分析程式。此分析程式可分析三相電力系統中諧波之分佈與大小,同時可了解牽引網共振點之分佈情形。本研究實際針對牽引變電所進行量測,並藉由實際量測結果與參數建立各種特殊牽引變壓器、牽引負載與牽引網等數學模型。此外,本文同時提出主動式與被動式濾波器等補償改善方案,並探討改善前後之效益。透過圖形化介面之分析程式,於參數輸入與分析計算皆相當方便且快速。於執行分析後可直接檢視分析結果或匯出分析結果,以作為評估與擬定補償改善設備之參考。
With the fast growth of the capacity demand of the railway transportation system, the power supply quality of the railway traction system has become an important issue. The railway traction loads, featuring random fluctuations, rapid changes, plentiful harmonics, etc, will lead to the power supply quality problems, such as voltage unbalances, negative-sequence currents and harmonic pollutions when trains are operated.
This thesis is aim to develop the harmonic analysis program of traction power supply systems. This program can be used to analyze harmonic spectrum as well as amplitude in three-phase power systems. Moreover, the resonance points of traction lines also can be calculated and be located. The actual measurements for traction substations were included in this research. Based on the measurement results and parameters, the mathematical models of special transformers, traction loads, and traction lines were established. In addition, compensation circuits, including active and passive filters, were proposed in this study, and their improvement effectiveness was also discussed. Via the graphical interface of the program, the parameter inputs and the analysis calculations will become very convenient and fast, respectively. After the analysis is finished, users can view the results directly or export the results, which could be the reference of evaluation and design to compensate and improve the related equipment.
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