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題 名 | 串聯補償與穩定器技術之協調應用以改善臺電系統動態特性=Coordination of Series Capacitors and Power System Stabilizers to Improve Dynamic Performance of Taiwan Power System |
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作 者 | 張源浴; 羅天賜; 王勝寬; 郭宗益; 陳以彥; 林建廷; 黃瓊誼; | 書刊名 | 台電工程月刊 |
卷 期 | 598 1998.06[民87.06] |
頁 次 | 頁63-81 |
分類號 | 448.115 |
關鍵詞 | 串聯電容器; 電力系統穩定器; 區域間低頻振盪; Series capacitors; Power system stabilizer; Inter-area oscillation; |
語 文 | 中文(Chinese) |
中文摘要 | 本文之主要目的在於研究利用串聯電容補償技術以提升臺電超高壓輸電線路傳輸 能力之可行性。由於連接臺電北部與中部系統之超高壓輸電線,其第一路與第二路之線徑結 構不同,導致兩路之電力潮流分佈不均衡,第二路之送電能力常因受限於第一路過載考量而 遠低於其熱容量。為了提升北部與中部間之超高壓輸電線之送電能力,本文選擇在第二路之 適當地點加裝串聯電容器。 串聯電容器裝置地點及容量之選定,首先必須考慮在穩態時,送電能力之提升量,以及線路 電壓之改善情況。其次必須考慮串聯電容器對暫態穩定度及動態穩定度之影響,尤以動態穩 定度對臺電超高壓系統之影響最大,因為低頻振盪之限制,常造成臺電超高壓輸電線之最大 輸電能力遠低於其熱容量。目前臺電已在多部機組裝設電力系統穩定器以改善區域間低頻振 盪之阻尼。在本文中分析串聯電容器加入前後,區域間低頻振盪阻尼之變化情形,並研究調 整現有電力系統穩定器之參數以及擴充電力系統穩定器之必要性。 |
英文摘要 | The purpose of this paper is to investigate the feasibility of enhancing the transfer capability of TPC's EHV transmission lines using series capacitors. Power flow unbalance has been observed between the two EHV transmission lines connecting the northern area and the central area due to different conductor sizes of the two lines. As a result, in order to avoid over loadings on the first line, the power transfer capability of the second line is usually limited to a value which is well below the thermal limit. To increase the power transfer capability of the second line, series capacitors will be placed on the line. In steady-state operation, several important factors, such as the maximum transfer power and line voltages, must be considered in determining proper locations nd sizes for the series capacitors. The effect of the series capacitors on transient stability and dynamic stability (oscillatory stability) is also important. In the past, the power transfer capability of TPC's transmission lines has been limited by inter-area low frequency oscillations. The dampings for the inter-area oscillations before and after the installation of series capacitors must be figured out. Tuning of the parameters for existing power system stabilizers (PSS) in order to improve the dampings for these oscillations is investigated in this paper. The need to put additional power system stabilizers is also evaluated. |
本系統中英文摘要資訊取自各篇刊載內容。