臺灣博碩士論文加值系統

　　本文完成一具三相電源功率調節之高功因鋰電池充電器，本充電器由三組單相充電器所組成。各組充電器皆採用雙級式電路架構，前級電路採用平均電流模式控制，設計具功率因數修正、輸出穩壓之連續導通模式交錯式升壓型功因修正器，使充電器具有高功因特性；後級電路採用相移式全橋轉換器架構，利用變壓器提供電氣隔離功能，並藉由漏感與功率開關之寄生電容諧振，使功率開關具有零電壓切換特性，可減少開關切換損失，進而提升充電器效率。本文首先完成一單相2kW充電器之模組化設計，採用定電流-定電壓充電法，由後級電路負責調節充電功率。工作於輸入電壓為220V時，其功因最高可達0.999，且效率最高可達91.5%。
　　本文完成單相充電器模組後，可整合三相電源以及三組單相充電器模組，以各相獨立輸入、並聯輸出之方式組合成一三相電源之鋰電池充電器，並且本充電器為了避免多模組輸出並聯之輸出電流不均問題，後級電路採用平均電流模式控制，於多模組輸出並聯時，使輸出具有主動分流功能，以及具有對各相電源進行功率調節的能力，可在三相電源發生不平衡時，分別操控各組充電器，以調節各相充電儲存功率、調節電網三相功率，進而使得三相功率平衡。完成具三相電源功率調節之高功因鋰電池充電器。本充電器之充電功率總容量可達6kW，各相功因最高可達0.999以上，各相輸出功率亦可自行調節，達成三相電源功率調節之目的。

　　This thesis concluded a three-phase power supply conditioner with a high power lithium battery charger. The charger consists of three groups of single-phase charger, each group uses a two-stage circuit architecture. The front-end circuit adopts the continuous-conduction mode, designs the power facto correction circuit, the output voltage regulator’s interleaved CCM PFC boost converter enabling the converter to have power factor characteristics; the second-stage circuit adopts the full bridge converter regulator architecture, which utilizes the transformer to provide galvanic isolation function and through the leakage inductance and power switching’s parasitic capacitance resonance cause the power switch to have zero voltage switching characteristics. It can reduce the switching loss and improve the efficiency of the charger. This thesis first completed a single-phase 2kW charger modular design, using the CC-CV charging method, where the back-end current is responsible for regulation charging power. The input voltage is 220V, its power factor can reach 0.999 and efficiency can attain 91.5%.
　　This thesis completed a single-phase electric charger module that can integrate into a three-phase power supply to become a three-group single-phase electric charger with their independent input, parallel output form to combine into a three-phase electric power lithium battery charger. This charger, in order to avoid multi-module power supply in parallel output’s uneven current problem, the second-stage circuit adopts the continuous-conduction mode. When the multi-module is connected in parallel output, it has an active shunt circuit function, with the ability to regulate the power of each phase. Whenever the three-phase electric power is unbalanced, the charger will adjust the phase charge storage power, adjust the power grid three-phase power which enables the three-phase power to be balanced. We completed the three-phase electric power conditioner with high power lithium battery charger, which has an aggregate capacity that can reach 6kW, each phase factor can top 0.999. The output power of each phase can also be adjusted to achieve the three-phase electric power conditioner.

摘要...i
Abstract...ii
誌謝...iii
目錄...iv
表目錄...v
圖目錄...vi
第一章 緒論...1
1.1 研究動機與目的...1
1.2 文獻探討...2
1.3 論文大綱...4
第二章 高功因充電器架構...5
2.1 功率因數與總諧波失真之定義...5
2.2 磷酸鐵鋰電池相關特性...5
2.3 高功因充電器架構...6
2.4 充電器架構...10
第三章 交錯式功因修正器之分析與設計...12
3.1 交錯式功因修正器之電路架構...12
3.2 交錯式功因修正器之工作階段分析...13
3.3 交錯式功因修正器之電路參數設計...17
3.4 交錯式功因修正器之控制器設計...19
第四章 相移式全橋轉換器之分析與設計...26
4.1 相移式全橋轉換器之電路架構...26
4.2 相移式全橋轉換器之工作階段分析...27
4.3 相移式全橋轉換器之電路參數設計...34
4.4 相移式全橋轉換器之控制器設計...36
第五章 充電器性能量測與分析...43
5.1 單相充電器模組實測與分析...43
5.2 三相充電器實測與分析...55
第六章 結論...68
參考文獻...69
附錄一 交錯式功因修正器之小訊號轉移函數推導...72
附錄二 相移式全橋轉換器之小訊號轉移函數推導...79
附錄三 充電器電壓、電流與效率實測數值表...85
附錄四 電路板與充電器照片...88
Extended Abstract...93
簡歷(CV)...101

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