考慮不平衡電源之三相整流器線性化直接 功率控制之研製

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姓名

郭偉倫(Wei-Lun Kuo) 查詢紙本館藏

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論文名稱

考慮不平衡電源之三相整流器線性化直接功率控制之研製
(Development of Linearized Direct Power Control For Three-Phase Rectifiers Considering Unbalanced Input Voltages)

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摘要(中)

本論文提出一種自定義克拉克轉換運用於不平衡電源下之三相整流器線性
化直接功率控制，改善不平衡電源所造成三相電流失真，並針對不平衡電源之直接功率控制方式進行討論。
線性化直接功率控制是利用代數變換的方式將原先靜止框之功率內迴路由
線性時變系統轉換為線性非時變系統，使控制器的設計得以簡化。其方式目前並未針對不平衡電源進行討論，本論文以此為著眼點開發新型自定義克拉克轉換。藉由使用者自行設定矩陣係數，以獲得不平衡電源下之靜止座標框電壓??與??，使其在不平衡電源時數學式也可成立，以此降低不平衡電源所帶來電流失真，並且結合滑模控制，使其加減載強健性能提高。
最終透過所提方法經由模擬結果進行分析，與實作建置一台1.9kW 三相六
開關整流器比較結果一致，驗證所提方法的有效和正確性。

摘要(英)

This paper proposes a Custom Clarke Transformation applied to linearized direct power control of three-phase rectifiers under unbalanced power supplies to improve the three-phase current distortion caused by unbalanced three phase power source, and discusses the direct power control method of unbalanced three phase power source.
Linearized direct power control uses algebraic transformation to convert the power inner loop of the original stationary frame from a linear time-varying system to a linear time-invariant system, which simplifies the design of controller. However, its approach is not currently discussed for unbalanced three phase power source, and this
paper takes this as a focus to develop a novel Custom Clarke transformation. By setting the matrix coefficients by the user, the stationary coordinate frames ?? and ?? under
the unbalanced three phase power source can be obtained, so that the mathematical formula can also be established when the unbalanced three phase power source is used, so as to reduce the current distortion caused by the unbalanced three phase power source, and combined with Sliding mode control improves the robust performance of Increase loading and decrease loading.
Finally, the proposed methods are analyzed through simulation results and validated by implementing a 1.9kW three-phase six-switch rectifier, yielding consistent results. This verifies the validity of the proposed methods.

關鍵字(中)

★ 三相整流器
★ 自定義克拉克轉換
★ 直接功率控制
★ 滑模控制
★ 不平衡電源

關鍵字(英)

★ Three-Phase Rectifier
★ Direct Power Control
★ Custom Clarke Transformation
★ Sliding Mode Control
★ Unbalanced Power Supply

論文目次

目錄
摘要 ································································································· i
Abstract··························································································· ii
誌謝 ······························································································· iii
目錄 ································································································ iv
圖目錄 ··························································································· viii
表目錄 ··························································································· xiv
符號說明 ························································································· xv
第一章緒論 ····················································································· 1
1-1 研究背景及動機 ········································································ 1
1-2 文獻回顧 ················································································· 2
1-3 論文之貢獻 ·············································································· 6
1-4 論文架構概述 ··········································································· 7
第二章三相整流器控制及滑模控制策略 ················································· 8
2-1 前言 ······················································································· 8
2-2 向量空間轉換及鎖相迴路 ······················································· 9
2-2-1 前言 ·················································································· 9
2-2-2 座標轉換··········································································· 10
2-2-3 克拉克轉換(Clarke Transformation, abc-αβ) ································ 10
2-2-4 派克轉換(Park Transformation, abc-dq) ··································· 12
2-2-5 鎖相迴路(Phase-Looked Loop, PLL) ········································· 13
2-3 同步框電壓導向控制 ································································· 15
2-3-1 前言 ················································································· 15
2-3-2 三相整流器之建模 ······························································· 15
2-3-3 控制器設計及分析 ······························································ 16
2-4 直接功率控制 ·········································································· 18
2-4-1 前言 ················································································· 18
2-4-2 建立三相整流器交流側模組 ·················································· 20
2-4-3 建立功率迴路線性控制器設計 ················································ 21
2-4-4 建立直流電壓控制器 ···························································· 22
2-5 靜止框電壓導向控制 ·································································· 23
2-5-1 前言 ················································································· 23
2-5-2 無鎖相同步框電流分析 ························································· 23
2-6 滑模控制 ················································································· 25
2-6-1 前言 ················································································· 25
2-6-2 迫近模式(Approaching Mode) ················································· 27
2-6-3 滑模模式(Sliding Mode) ························································ 27
2-6-4 Lyapunov 穩定性介紹及證明 ·················································· 28
2-6-5 強健性證明 ······································································· 30
2-7 滑模控制運用於線性化直接功率控制 ············································ 31
2-7-1 前言 ················································································· 31
2-7-2 建立電壓迴路控制器 ··························································· 31
2-7-3 穩定性證明 ······································································· 32
2-7-4 強健性證明 ······································································· 32
第三章三相不平衡電源系統之座標轉換 ················································ 34
3-1 前言 ······················································································· 34
3-2 三相不平衡電源 ······································································· 34
3-2-1 前言 ················································································· 34
3-2-2 三相不平衡率規範 ······························································ 35
3-3 不平衡電源直接功率控制之應對方案 ············································ 36
3-4 廣義克拉克轉換介紹 ································································· 38
3-5 所提自定義克拉克轉換介紹 ························································ 40
第四章所提三相整流器於不平衡電源之控制策略 ···································· 49
4-1 前言 ······················································································ 50
4-2 所提不平衡電源之線性化直接功率控制研製 ··································· 51
4-3 建立功率迴路線性控制器 ···························································· 53
第五章模擬結果 ·············································································· 55
5-1 PSIM 模擬軟體介紹 ··································································· 55
5-2 模擬電路與元件參數 ································································· 55
1. 同步框電壓導向控制 ································································ 56
2.線性化直接功率控制 ································································· 58
3. 線性化直接功率滑模控制 ·························································· 59
4 靜止框電壓導向控制 ································································ 59
5. 廣義克拉克轉換模組 ································································ 60
6.自定義克拉克轉換模組 ······························································ 63
5-3 三相整流器同步框電壓導向控制模擬結果 ······································ 65
5-4 三相整流器線性化直接功率控制模擬結果 ······································ 66
5-5 三相整流器線性化直接功率之滑模控制模擬結果 ····························· 68
5-6 靜止框電壓導向控制模擬結果 ····················································· 69
5-7 不平衡電源之控制研製模擬結果 ·················································· 72
(1)一般克拉克轉換系統[1] ···························································· 73
(2)廣義克拉克轉換 ······································································ 74
(3)自定義克拉克轉換 ··································································· 75
第六章實作電路結果 ········································································ 78
6-1 實作電路 ················································································ 78
6-1-1 數位訊號處理器 ································································· 78
6-1-2 硬體電路··········································································· 80
1.功率開關元件 ·········································································· 80
2.交流電壓感測器 ······································································· 80
3.直流電壓感測器 ······································································· 81
4.電流感測器 ············································································· 82
5.光耦合驅動電路 ······································································· 83
6.市電模擬器及電子負載 ······························································ 84
6-3 三相整流器於平衡電源之不同控制架構實作結果 ····························· 86
6-3-1 同步框電壓導向控制 ··························································· 87
6-3-2 線性化直接功率控制 ··························································· 90
6-3-3 靜止框電壓導向控制 ··························································· 93
6-3-4 線性化直接功率滑模控制 ····················································· 96
6-4 不平衡電源控制實作 ······························································· 100
6-4-1 一般克拉克轉換系統 ························································· 101
6-4-2 廣義克拉克轉換系統 ························································· 103
6-4-3 自定義克拉克轉換系統 ······················································ 105
6-4-4 不平衡電源動態響應 ························································· 108
第七章結論與未來展望 ···································································· 112
7-1 論文內容總結 ········································································· 112
7-2 未來展望 ··············································································· 113
參考文獻 ························································································ 114

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指導教授

廖益弘(Yi-Hung Liao)

審核日期

2023-10-16

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