研究生: |
楊允仁 Yun-Jen Yang |
---|---|
論文名稱: |
利用智慧太陽光電變流器改善配電系統電壓不平衡之研究 Study on the Voltage Unbalance Improvement of Power Distribution Systems by Smart PV Inverter |
指導教授: |
陳在相
Tsai-Hsiang Chen 楊念哲 Nien-Che Yang |
口試委員: |
陳在相
Tsai-Hsiang Chen 楊念哲 Nien-Che Yang 黃維澤 Wei-Tzer Huang 楊金石 Jin-Shyr Yang |
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: | 2019 |
畢業學年度: | 107 |
語文別: | 中文 |
論文頁數: | 125 |
中文關鍵詞: | 智慧變流器 、配電系統 、分散式能源 、再生能源系統 、太陽光電系統 、電壓不平衡 |
外文關鍵詞: | Smart inverter, Distribution system, Distributed energy resources, Renewable energy system, Photovoltaic system, Voltage imbalance |
相關次數: | 點閱:526 下載:11 |
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本論文旨在研究藉由智慧太陽光電變流器改善配電系統電壓不平衡問題。首先,彙整分散式發電設備併網法規及電壓不平衡標準,並摘要智慧變流器之定義與功能;且蒐集完成台灣雲林地區六條標的饋線之資料及建立其負載數據。其次,利用商用軟體MathWorks® MATLAB建立標的一次配電饋線之等效數學模型,並提出配電網路之特性矩陣,及利用商用軟體Solar Pro™ 4.5模擬出嘉義雲林地區四季平均日照情形及估算出標的饋線沿線太陽光電發電系統之各季發電量。最後,在進行一系列之模擬與分析後,提出智慧變流器之控制方法,使標的饋線有較佳之系統電壓不平衡因數。研究成果可提供為我國未來推展再生能源發電之參考,而有助於我國再生能源政策之實現。
The purpose of this thesis is to improve the system voltage imbalance of power distribution systems by using smart PV inverters. Firstly, the grid-interconnection codes of distributed generation systems and voltage imbalance standards are discussed. The definition and functions of a smart inverter are also summarized. Secondly, the mathematical models of the primary distribution systems in Yunlin area, Taiwan are built by using the commercial software package MathWorks® MATLAB. Moreover, a characteristic matrix of a distribution network is proposed. The power generations of PV systems in Yunlin area are also simulated by using Solar Pro™ 4.5. By means of a series of simulation and analysis, a control strategy for smart inverters is proposed to improve the voltage imbalance of an existing distribution system in Taiwan. Finally, the outcomes are of value to the domestic development of renewable energy and the implementation of sustainable development policies in Taiwan.
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