三相Vienna整流器無電壓感測線性非時變直接功率控制

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姓名

許文瀚(Wen-Han Hsu) 查詢紙本館藏

畢業系所

電機工程學系

論文名稱

三相Vienna整流器無電壓感測線性非時變直接功率控制
(A Linearized Time-Invariant Voltage-Sensorless Direct Power Control of Three-phase Vienna Rectifiers)

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摘要(中)

三相Vienna整流器有著高轉換效率，較低電路成本以及較低的開關電壓應力等優點，因此，三相Vienna整流器是一種被廣泛應用於車用充電以及工業用電的轉換器，本論文提出一種新型的無感測輸入電壓線性化直接功率控制架構應用於三相Vienna整流器電路，控制架構包含了三個子架構，分別為(1)線性非時變直接功率控制; (2)虛擬磁通與輸入實虛功估測; (3) zero crossing distortion及電容電壓不平衡補償以及單載波切換PWM。
利用代數變換的方式將控制系統由線性時變系統轉換為線性非時變系統，使得控制器的設計得以簡化，在線性化直接功率控制的架構下，相較於傳統的電壓導向控制架構，本文所提的線性化直接功率控制方式有著較佳的動態響應，而在無感測線性非時變直接功率控制的架構下，本文結合虛擬磁通的估測觀念，設計輸入實功與虛功的估測器，達到無感測輸入電壓的直接功率控制，能夠減少感測器的使用。
本文提出的兩種架構皆不須使用鎖相迴路，相較於傳統的電壓導向控制，本文所提的架構都能達到較低的輸入電流總諧波失真。

摘要(英)

Three-phase Vienna rectifiers have the advantages of high conversion efficiency, low circuit cost and low voltage stress. Therefore, three-phase Vienna rectifier widely used in vehicle charging and industrial electricity. This paper presents a linearized time-invariant voltage-sensorless direct power control applied to the three-phase Vienna rectifier circuit. This control architecture consists of three sub architectures, including (1) the linear time-invariant direct power control, (2) virtual flux, input active power and virtual flux es-timator, (3) zero crossing distortion, capacitor voltage unbalance compensation and single carrier PWM. The proposed method transfers the system from linear time varying system to linear time invariant system by algebraic transformation, which makes the design of the controller more simple. Compared with the traditional voltage oriented control architecture, linearized time-invariant direct power control method has a better dynamic response.
To achieve the direct power control without input voltage sensor, this article proposes sensorless control method, i.e. linearized time-invariant voltage-sensorless direct power control. Compared with the traditional voltage oriented control architecture, linearized time-invariant voltage-sensorless direct power control can reduce the system cost. The pro-posed direct power control method with and without sensor have lower input current total harmonic distortion than the voltage oriented control method, and does not require the use of phase locked loop circuit.

關鍵字(中)

★ Vienna整流器
★ 無電壓感測
★ 直接功率控制
★ zero crossing distortion補償
★ 實虛功估測

關鍵字(英)

★ Vienna rectifier
★ voltage sensorless
★ Direct Power Control
★ zero crossing distortion compensation
★ active and reactive power estimation

論文目次

目錄
摘要 i
Abstract ii
致謝 iii
目錄 iv
圖目錄 vi
表目錄 xiii
第一章簡介 1
1-1 研究背景與動機 1
1-2 文獻回顧 2
1-3 本論文之貢獻 4
1-4 論文架構概述 5
第二章三相Vienna整流器電路 6
2-1 前言 6
2-2 三相Vienna整流器電路架構 9
2-3 三相Vienna整流器電路開關組態 10
2-4 三相Vienna整流器脈波寬度調變PWM切換方法 13
2-4-1正弦脈波寬度調變(Sinusoidal PWM) 13
2-4-2空間向量脈波寬度調變(Space Vector PWM) 14
第三章三相整流器傳統控制策略 21
3-1 前言 21
3-2 Vienna整流器雙迴路控制 22
3-2-1零交越失真(zero crossing distortion)成因 22
3-2-2 Vienna 雙迴路電壓導向控制架構 31
3-3 虛擬磁通計算與實虛功估測 43
3-3-1極電壓與虛擬磁通之計算 43
3-3-2 實功P與虛功Q之計算 44
3-4 三相六開關整流器之線性非時變直接功率控制 46
3-5 三相Vienna整流器之單載波PWM 51
第四章 Vienna 新型無感測控制策略 53
4-1 前言 53
4-2 三相Vienna整流器之線性非時變直接功率控制 54
4-2-1 Vienna整流器之交流端建模 54
4-2-2 Vienna整流器之直流端建模 55
4-2-3 Vienna整流器線性非時變控制器設計 56
4-2-4 三相Vienna整流器之線性非時變直接功率控制方塊圖 57
4-3 Vienna無電壓感測功率估測器 59
4-3-1 Vienna極電壓與虛擬磁通計算 59
4-3-2 Vienna 實虛功估測 61
4-4 Vienna無電壓感測直接功率控制 63
第五章模擬結果 66
5-1 前言 66
5-2 模擬電路與元件參數 67
5-3 Vienna整流器 Voltage Oriented Control模擬結果 72
5-4 Vienna整流器 Direct Power Control 模擬結果 76
5-5 Vienna整流器 Sensorless Direct Power Control 模擬結果 80
5-6 Vienna整流器不同控制架構下動態響應比較 89
第六章實作電路結果 92
6-1 實作電路 92
6-2 Vienna整流器 Voltage Oriented Control實作結果 104
6-3 Vienna整流器 Direct Power Control 實作結果 108
6-4 Vienna整流器 Sensorless Direct Power Control實作結果 112
6-5 Vienna整流器不同控制架構下性能比較實作結果 120
第七章結論與未來展望 128
7-1 論文內容總結 128
7-2未來研究方向 129
參考文獻 130

參考文獻

參考文獻
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指導教授

廖益弘(Yi-Hung Liao)

審核日期

2022-9-6

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