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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 陳耀銘(Yaow-Ming Chen) | |
dc.contributor.author | Bo-Yuan Chen | en |
dc.contributor.author | 陳柏元 | zh_TW |
dc.date.accessioned | 2021-06-16T02:46:14Z | - |
dc.date.available | 2022-09-01 | |
dc.date.copyright | 2020-08-25 | |
dc.date.issued | 2020 | |
dc.date.submitted | 2020-08-03 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/54239 | - |
dc.description.abstract | 本論文之研究目的為主動電容器之啟動電路研製。主動電容器可降低直流鏈所需的電容值,並以高壽命之薄膜電容取代低壽命之電解電容,進而提高電源轉換器的壽命和可靠度。主動電容器之電路架構係由雙向電源轉換器與儲能電容所組成。藉由主動開關將直流鏈多餘的能量傳送到儲能電容,亦或將儲能電容之能量釋放到直流鏈,主動電容器能提高直流鏈之等效電容值,實際放置於直流鏈的電容容值就可以大幅減少。主動電容器必須要如同被動元件一樣方便使用,因此必須要擁有自行啟動的功能。 本論文提出主動電容器之啟動電路設計需要考量的因素,包含了預充電電路、輔助電源、延遲啟動電路和緩啟動電路四個部分。此電路設計將可避免主動電容器啟動時的暫態導致電路損毀,使其能夠順利自行啟動。另外,此啟動電路設計只需要透過簡單的類比電路即可達成。為了使主動電容器達到最佳的儲能能力同時提高功率密度與減少電路成本,必須為主動電容器選擇適當的電路架構與控制策略,並以此為基礎設計相對應的啟動電路。當主動電容器擁有適當的啟動電路,才可應用於任何電源轉換器之直流鏈。最後,將藉由電腦模擬軟體與硬體電路實現驗證本論文所提出的啟動電路設計。 | zh_TW |
dc.description.abstract | In this thesis, a design and implementation of start-up circuit for active capacitors is proposed. Active capacitors can reduce the capacitance value required for dc link, and replace the short lifetime electrolytic capacitor with a long lifetime film capacitor. By transferring the excess energy to the energy storage capacitor or releasing the energy of the energy storage capacitor to dc link, active capacitors can increase the equivalent capacitance of dc link. In the end, the original capacitance value can be greatly reduced. Moreover, active capacitors must have the same convenience as passive components, so it is necessary to have a start-up function. The proposed start-up circuit design includes four parts: precharge circuit, auxiliary power, start-up delay circuit and soft start circuit. This circuit design can avoid the damage of the circuit caused by the transient state when active capacitor starts, so it can start-up successfully. Most importantly, a simple analog circuit can achieve this start-up circuit. In addition, in order to achieve the best energy storage capacity while increasing power density and reducing the cost, it is necessary to select an appropriate circuit architecture and control strategy for the active capacitor, and a corresponding start-up circuit will be designed. With a suitable start-up circuit, active capacitors can be applied to the dc link of any power converter. Finally, the start-up circuit design proposed in this thesis will be verified by computer simulation software and hardware circuits. | en |
dc.description.provenance | Made available in DSpace on 2021-06-16T02:46:14Z (GMT). No. of bitstreams: 1 U0001-0308202017571400.pdf: 5755824 bytes, checksum: 0695e34f9db697e0a0d06cff94f6cb1d (MD5) Previous issue date: 2020 | en |
dc.description.tableofcontents | 口試委員會審定書 I 誌謝 II 摘要 III ABSTRACT IV 目錄 V 圖目錄 VIII 表目錄 XI 第一章 緒論 1 1-1 研究背景與動機 1 1-2 文獻回顧 3 1-3 章節概要 4 第二章 主動電容器 6 2-1基本概念 6 2-1.1 簡化型公式推導 7 2-1.2 功率因數與輸入電流諧波之影響 10 2-1.3 主動電容器的特點 13 2-2電路架構 14 2-2.1並聯型主動電容器 14 2-2.2串聯型主動電容器 18 2-3控制策略 20 2-3.1電流控制法 20 2-3.2電壓控制法 21 第三章 啟動電路 23 3-1 控制策略之選擇 23 3-2 電路架構之選擇 29 3-3 啟動電路設計 29 3-3.1預充電電路 30 3-3.2輔助電源 31 3-3.3延遲啟動電路 32 3-3.4緩啟動電路 34 3-3.5啟動流程 35 3-4 模擬結果 37 3-4.1啟動電路設計模擬驗證 38 3-4.2等效電容值模擬驗證 42 第四章 硬體電路設計 45 4-1 電力級電路設計 46 4-2 輔助電源 48 4-3 控制級電路設計 48 4-3.1非反相帶通濾波器 49 4-3.2脈衝寬度調變產生器 50 4-3.3閘級驅動器 51 4-3.4類比開關 52 第五章 實作驗證 54 5-1 測試環境與硬體規格 54 5-1.1功率因數校正器 54 5-1.2主動電容器 56 5-2 實測結果 57 5-2.1啟動電路設計實測驗證 57 5-2.2等效電容值實作驗證 61 第六章 結論與未來發展 66 6-1 結論 66 6-2 未來研究方向 67 參考文獻 68 | |
dc.language.iso | zh-TW | |
dc.title | 主動電容器之啟動電路研製 | zh_TW |
dc.title | Design and Implementation of Start-Up Circuit for Active Capacitors | en |
dc.type | Thesis | |
dc.date.schoolyear | 108-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 陳偉倫(Woei-Luen Chen),唐丞譽(Cheng-Yu Tang),羅國原(Kuo-Yuan Lo),陳景然(Ching-Jan Chen) | |
dc.subject.keyword | 主動電容器,主動功率解耦合,啟動電路,電解電容,電源轉換器, | zh_TW |
dc.subject.keyword | Active Capacitor,Active Power Decoupling,Start-Up Circuit,Electrolytic capacitor,Power Converter, | en |
dc.relation.page | 75 | |
dc.identifier.doi | 10.6342/NTU202002304 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2020-08-04 | |
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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