研究生: |
詹清貴 Ching-kui Chan |
---|---|
論文名稱: |
地下電纜局部放電線上監控系統之非接觸式電源研製 The Implementation of Non-contact Power Supply of PD On-line Monitoring System for Underground Cable |
指導教授: |
吳瑞南
Ruay-Nan Wu |
口試委員: |
張宏展
Hong-Chan Chang 陳建富 none |
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: | 2008 |
畢業學年度: | 96 |
語文別: | 中文 |
論文頁數: | 106 |
中文關鍵詞: | 局部放電 、非接觸式感應饋電 、比流器 、線上監控系統 |
外文關鍵詞: | partial discharge, non-contact inductive power supply, current transformer, on-line monitoring system |
相關次數: | 點閱:273 下載:6 |
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局部放電線上監控系統可以維護地下配電系統之供電可靠度並改善供電安全與品質,因此發展現場電源供應器,可以解決現場電源不易取得之困難,亦可避免消耗性電池壽命等問題。由於地下電纜常見之事故,普遍發生於電纜接續部份,因此本文以配電級地下電纜接頭之線上監控系統為設計對象,研製現場電源供應器。
本文研製之現場電源供應器採用非接觸式感應饋電技術,由現場既有之地下電纜作為比流器的ㄧ次側感應架構取代電源插座,以建置簡單、安全與可靠的系統,達到實用的價值。非接觸式感應饋電系統的架構分成一次側與二次側非接觸式感應饋電、整流濾波器組、昇壓轉換器、儲能裝置控制電路與降壓轉換器等,其中包含負載裝置及其特性分析。
本文利用局部放電線上監控系統,做為非接觸式感應饋電系統之試驗負載,由試驗的數據說明本系統可以有效供應局部放電線上監控系統所需之電能,可使得線上監控系統在穩定電源中正常運轉並進行電纜接頭局部放電信號擷取與絕緣狀態資料分析。
An on-line monitoring system for partial discharge is used to maintain and improve the reliability, safety and quality of underground distribution power system; as a result, it is essential to develop on-site power supply of the on-line monitoring system to resolve the trouble of on-site power as well as to avoid a wasted battery. Due to the general failure for underground distribution power system, most of accidents result from on-site cable accessories. This thesis selects the on-line monitoring system to develop the non-contact inductive power supply accordingly.
This thesis establishes a simple, and reliable non-contact inductive power supply via on-site underground cable as the primary of current transformer for the inductive structure, instead of the outlet. The implementation of non-contact inductive power supply of on-line monitoring system frame is divided into the non-contact inductive power supply for primary winding and secondary winding, rectifier and wave filter set, boost regulators, control circuit of saving power components, buck regulators and the analysis of characteristics of burden.
This thesis utilizes the on-line monitoring system as the experimental object. The experimental result shows that the proposed non-contact inductive power supply system can be effectively used for the on-site to stably provide the power of on-line monitoring system to implement a inside partial discharge of cable joint and identify a status of isolator.
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