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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 許源浴(Yuan-Yih Hsu) | |
| dc.contributor.author | Ting-Hsuan Chien | en |
| dc.contributor.author | 簡廷軒 | zh_TW |
| dc.date.accessioned | 2021-07-10T21:44:57Z | - |
| dc.date.available | 2021-07-10T21:44:57Z | - |
| dc.date.copyright | 2020-07-17 | |
| dc.date.issued | 2020 | |
| dc.date.submitted | 2020-07-10 | |
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Fouad, Power Systems Control and Stability, 2nd ed. Wiley-IEEE Press, 2002. [19] A. R. Bergen and V. Vittal, Power Systems Analysis, 2nd ed. Pearson Prentice Hall, 1999. [20] 台電電力調度處調度模擬組, “電力品質控制成果報告,” 中華民國106年1月。 [21] Z. Wu et al., 'State-of-the-art review on frequency response of wind power plants in power systems,' Journal of Modern Power Systems and Clean Energy, vol. 6, no. 1, pp. 1-16, January 2018, doi: 10.1007/s40565-017-0315-y. [22] R. Pena, J. C. Clare and G. M. Asher, 'Doubly fed induction generator using back-to-back PWM converters and its application to variable-speed wind-energy generation,' IEE Proceedings - Electric Power Applications, vol. 143, no. 3, pp. 231-241, May 1996, doi: 10.1049/ip-epa:19960288. [23] 翁永財, “應用於雙饋式感應發電機之虛功率控制策略及轉子側電流控制器設計,” 臺灣大學電機所博士論文, 2015. [24] Martin O.L. Hansen, Aerodynamics of Wind Turbines, 2nd ed. Earthscan, Inc, 2007. [25] C. Schauder and H. 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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/77056 | - |
| dc.description.abstract | 本論文主要目的在於設計雙饋式感應風力發電機之類神經網路輔助頻率控制器，以改善區域電網於孤島穩態運轉時遭受到一大型負載變動量之頻率響應特性，使系統頻率符合本論文之法規標準與限制條件，也避免觸碰到低頻電驛，造成當地用戶停電。 首先推導區域電網系統頻率控制非線性數學模型，並加入考慮風機線上機組數量，以表示當風機機組故障或檢修時，其慣性將會改變，以及對於區域電網系統之供電能力與頻率響應造成的影響。 接著利用非線性數學模型尋找類神經網路輔助頻率控制器之訓練樣本資料，將其訓練後並且應用於風機之輔助頻率控制器，並且與原先固定不變之固定增益'K' _'PD' 比較頻率響應，驗證類神經網路輔助頻率控制器可以因應區域電網系統參數改變。 本論文藉由MATLAB®/Simulink軟體進行模擬，並以台灣彰化海濱區域電網之非線性數學模型為例，驗證所提出之類神經網路輔助頻率控制器的有效性。 | zh_TW |
| dc.description.abstract | In order to achieve better dynamic frequency response of a local power system, a supplementary frequency controller for a wind farm with doubly fed induction generator (DFIG) is designed using artificial neural network (ANN) in this thesis. Under-freuqnecy load shedding caused by a sudden power unbalance in the local power system can be avoided by the proposed supplementary freuqnecy controller. First, a nonlinear model for the local power system which takes the number of wind generator on-line, wind speed, and load disturbance into account is derived. The dynamic frequency response of local power system under different number of wind generators, different wind speeds, and different load disturbances are analyzed. Next, the training patterns for the ANN are created using dynamic simulations-based on the nonlinear model for the local power system. The connection weights for the ANN are trained using these training patterns. In order to validate the proposed ANN based supplementary frequency controller, the frequency responses from fixed-gain controller are compared with those from the proposed ANN based supplementary frequency controller under different number of wind generators, wind speeds, and load disturbances. In order to demonstrate the effectiveness of the fixed-gain frequency controller and the proposed ANN based supplementary frequency controller, digital simulations using MATLAB®/Simulink are performed on a local power system in Changhua, Taiwan. | en |
| dc.description.provenance | Made available in DSpace on 2021-07-10T21:44:57Z (GMT). No. of bitstreams: 1 U0001-0907202017072800.pdf: 24487641 bytes, checksum: 421857170b69ff2b99594a27dbd5bf1c (MD5) Previous issue date: 2020 | en |
| dc.description.tableofcontents | 口試委員審定書 I 致謝 II 摘要 III Abstract IV 目錄 V 圖目錄 VIII 表目錄 XII 符號索引 XIII 第一章 緒論 1 1.1 研究背景 1 1.2 文獻回顧 4 1.3 研究目的與方法 6 1.4 論文內容概述 7 第二章 區域電網架構與頻率控制數學模型 8 2.1 前言 8 2.2 區域電網之同步發電機頻率控制數學模型 11 2.3 區域電網之雙饋式感應風力發電機頻率控制數學模型 20 2.3.1 風力發電原理 20 2.3.2 系統側轉換器(Grid Side Converter, GSC)分析 27 2.3.3 轉子側轉換器(Rotor Side Converter, RSC)分析 37 2.3.4 雙饋式感應風力發電機之輔助頻率控制方塊圖 50 2.4 區域電網頻率控制非線性數學模型 57 第三章 固定增益輔助頻率控制器設計 61 3.1 前言 61 3.2 台電頻率運轉標準與低頻卸載方式 63 3.3 一階常微分方程式數值解法 65 3.4 輔助頻率控制器固定增益'K' _'PD' 之選定 67 3.4.1 負載變動量'∆' 'P' _'Load' 對系統頻率之影響 72 3.4.2 風機線上機組數量(DFIG online number)對系統頻率之影響 80 3.4.3 風速'V' _'w' 對系統頻率之影響 85 3.4.4 最佳固定增益'K' _'PD' 之選定(Base case之選定) 100 第四章 類神經網路輔助頻率控制器設計 101 4.1 前言 101 4.2 類神經網路 102 4.2.1 生物神經元 102 4.2.2 人工神經元 103 4.2.3 類神經網路架構[37] 106 4.2.4 類神經網路學習方式 109 4.3 倒傳遞類神經網路 110 4.3.1 倒傳遞神經網路架構 110 4.3.2 倒傳遞學習演算法 111 4.3.3 倒傳遞網路之參數選定 115 4.4 類神經網路輔助頻率控制器之設計 117 4.4.1 類神經網路輔助頻率控制器之參數選定 118 4.4.2 類神經網路輔助頻率控制器之訓練與測試結果 120 第五章 模擬結果與分析 122 5.1 前言 122 5.2 模擬架構 122 5.3 有無輔助頻率控制器對於區域電網系統之影響 126 5.4 類神經網路輔助頻率控制器之動態特性 130 5.4.1 負載變動量'∆' 'P' _'Load' 改變 131 5.4.2 風機線上機組數量(DFIG online number)'N' _'WG' 改變 148 5.4.3 風速'V' _'w' 改變 161 5.4.4 符合限制條件下之可用運轉點範圍 175 第六章 結論與未來研究方向 180 6.1 結論 180 6.2 未來研究方向 182 參考文獻 183 | |
| dc.language.iso | zh-TW | |
| dc.subject | 風機線上機組數量 | zh_TW |
| dc.subject | 類神經網路輔助頻率控制器 | zh_TW |
| dc.subject | 雙饋式感應風力發電機 | zh_TW |
| dc.subject | 風力發電 | zh_TW |
| dc.subject | 低頻電驛 | zh_TW |
| dc.subject | 類神經網路 | zh_TW |
| dc.subject | 輔助頻率控制器 | zh_TW |
| dc.subject | Under-frequency relay | en |
| dc.subject | Wind power generation | en |
| dc.subject | Doubly fed induction generator | en |
| dc.subject | DFIG online number | en |
| dc.subject | Supplementary frequency controller | en |
| dc.subject | Artificial neural network | en |
| dc.subject | ANN Supplementary frequency controller | en |
| dc.title | 利用類神經網路設計雙饋式感應風力發電機之輔助頻率控制器 | zh_TW |
| dc.title | Design of a Supplementary Frequency Controller for a DFIG Wind Farm using Artificial Neural Network | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 108-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 張忠良(Zhong-Liang Zhang),吳進忠(Chin-Chung Wu),蒲冠志(Guan-Chih Pu),劉運鴻(Yun-Hong Liu) | |
| dc.subject.keyword | 風力發電,雙饋式感應風力發電機,風機線上機組數量,輔助頻率控制器,低頻電驛,類神經網路,類神經網路輔助頻率控制器, | zh_TW |
| dc.subject.keyword | Wind power generation,Doubly fed induction generator,DFIG online number,Supplementary frequency controller,Under-frequency relay,Artificial neural network,ANN Supplementary frequency controller, | en |
| dc.relation.page | 186 | |
| dc.identifier.doi | 10.6342/NTU202001417 | |
| dc.rights.note | 未授權 | |
| dc.date.accepted | 2020-07-10 | |
| dc.contributor.author-college | 電機資訊學院 | zh_TW |
| dc.contributor.author-dept | 電機工程學研究所 | zh_TW |
| 顯示於系所單位： | 電機工程學系 | |
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