電動車電池在閒置時可作為儲能設備使用，並且結合家庭以及建築物的儲能設備，供應其尖峰用電。為了能連結各儲能設備，因此需發展具多組輸出之雙向直流轉換器。本文提出「共用落後臂之雙向全橋直流轉換器」，此電路架構具兩組輸出，並搭配兩顆48V/20AH之磷酸鋰鐵電池，藉以實現電動車充/放電概念及達到連結各儲能設備的功能。此外電路架構藉由共用落後臂的方式，使落後臂較容易達到零電壓切換，減少損失進而提升效率。最後，使用LabVIEW圖控軟體和CAN-bus通訊協定產生電流命令，並傳至數位訊號處理器(DSP)實現轉換器之控制。

The battery of electric vehicles (EVs) use as the storage equipment in the idle time and it can combine with the storage equipment of home or building for supplying the peak of electricity. In order to connect with each storage equipment,developing of the Bidirectional DC converter with multiple output is necessary.This thesis applies a Full-Bridge Bidirectional DC converter with sharing the lagging leg.The topology that has two output with a pack of 48V/20AH LiFePO4 batteries is developed to implement a charging/discharging EV battery system and achieved connecting with each storage equipment.Besides,the topology achieved the zero voltage switching easily in the lagging leg , reduced the turn-on loss and improved the efficiency by sharing the lagging leg.Finally, the LabVIEW graphical software and CAN-bus protocol are used to produce the current command, which is sent into a digital signal process (DSP) to realize the control of the converter.

目錄
摘要 iii
Abstract iv
目錄 v
圖次 vii
表次 xii
第一章 緒論 1
1.1 簡介 1
1.2 研究動機與目的 2
第二章 文獻回顧 3
2.1 簡介 3
2.2 直流轉換器之分類 5
2.3 全橋轉換器二次側整流電路 6
2.4 多組輸出之雙向直流轉換器介紹 7
2.5 開關調變方式介紹 9
2.6 總結 10
第三章 電路架構及原理分析 11
3.1 簡介 11
3.2 動作原理 11
3.3 電路分析 12
3.4 轉換器傳輸功率推導 39
3.5 零電壓切換分析 42
3.6 共用落後臂分析 43
第四章 實驗電路設計 45
4.1 電路架構與參數設計 45
4.1.1 變壓器匝比設計 45
4.1.2 濾波電感設計 46
4.1.3 電路規格與參數 46
4.1.4 鋰電池資料 47
4.2 實驗平台 48
4.3 控制方法 49
4.4 定電流控制之流程 50
4.5 高頻變壓器設計 51
第五章 實驗結果與分析 56
5.1 簡介 56
5.2 定電流充電之實驗分析 57
5.2.1 穩態波形分析 57
5.2.2 開關切換分析 59
5.3 定電流充放電之實驗分析 68
5.3.1 充放電穩態波形分析(充電大於放電) 68
5.3.2 充放電穩態波形分析(放電大於充電) 70
5.4 定電流放電之實驗分析 72
5.4.1 放電穩態波形分析 72
5.5 轉換器效率分析 74
第六章 結論與未來研究方向 81
參考文獻 82
附錄 85

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