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基于mcr無功補(bǔ)償控制器研究_碩士學(xué)位論文-全文預(yù)覽

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【正文】 ......................................................................... V List of Figures ........................................................................................................... VII List of Tables ............................................................................................................... IX List of Variables........................................................................................................... X 1 Introduction ............................................................................................................... 1 The Background and Significance of Research Subjects ..................................... 1 Engineering Background ...................................................................................... 2 Reactive Power Compensation Methods and Compensation Device at Overseas and Domestic .............................................................................................................. 3 The main content .................................................................................................. 5 2 Magic Valve Type Controlled Reactor Working Principle and Characteristics.............................................................................................................. 6 Working Principle ................................................................................................. 6 The Transition Conditions and Judgment Between Working States of the Reactor........................................................................................................................ 8 The Analysis for Working Characteristic ............................................................. 9 Controlling Characteristic .................................................................................. 16 Response Speed .................................................................................................. 19 Active Loss ......................................................................................................... 20 Summary ............................................................................................................ 21 3 The principle and analysis of reactive power pensation ............................... 22 The Base of Active Power and the Reactive Power ........................................... 22 Instantaneous Reactive Power Theory ............................................................... 24 Summary ............................................................................................................ 28 4 Control Strategy and Optimization ....................................................................... 29 General Methods of Reactive Power Controlling .............................................. 29 Improving Method for the Traditional Reactive Control ................................... 31 Improving the Response Speed .......................................................................... 34 Harmonic Control and Strategy .......................................................................... 37 VI Summary ............................................................................................................ 41 5 Controlling system Hardware and Software Design and Simulation of MCR.. 42 Hardware and software design ........................................................................... 42 Software Design ................................................................................................. 47 Simulation of MCR Based on MATLAB ........................................................... 49 Summary ............................................................................................................ 55 6 The engineering application and conclusion ........................................................ 56 The engineering application ............................................................................... 56 Conclusion .......................................................................................................... 57 References ................................................................................................................... 59 Author Resume........................................................................................................... 65 Declaration of thesis originality ................................................................................ 66 Thesis Data Collection ............................................................................................... 67 VII 圖清單 圖序號(hào) 圖名稱 頁碼 圖 21 磁閥式可控電抗器結(jié)構(gòu)電路 6 Figure 21 Structure circuit diagram of magicvalve controlled reactor 6 圖 22 晶閘管導(dǎo)通等效電路圖 7 Figure 22 Equivalent circuit diagram of thyristor conduction 7 圖 23 磁閥式可控電抗器工作狀態(tài)變化過程 9 Figure 13 Working process transformation of MCR 9 圖 24 MCR 的簡化等效電路 11 Figure 24 Equivalent circuit diagram of MCR 11 圖 25 MCR 伏安特性 12 Figure 25 Currentvoltage characters curve of MCR 12 圖 261 諧波電路峰值與飽和度關(guān)系曲線 14 Figure 261 Peak of harmonic current and curves of saturation relation 14 圖 262 諧波電路峰值與飽和度關(guān)系曲線 15 Figure 262 Peak of harmonic current and curves of saturation relation 15 圖 27 觸發(fā)角 磁飽和度關(guān)系曲線 17 Figure 27 Relation curves of triggering angle and magic saturation 17 圖 28 觸發(fā)角 α基波電流曲線與余弦對(duì)比關(guān)系 18 Figure 28 Relation of triggering Angle of alpha base wave current curve and cosine contrast 18 圖 29 響應(yīng)速度與抽頭比關(guān)系曲線 19 Figure 29 The curve of response speed and tap proportion 19 圖 210 /PQ與抽頭比關(guān)系 20 Figure 210 Relations of /PQ and tap proportion 20 圖 31 線路型等值電路圖 23 Figure 31 Diagram of ? type equivalent circuit 23 圖 32 變壓器 ? 型等值電路圖 23 Figure 32 Diagram of ? type equivalent circuit for transformer 23 圖 33 坐標(biāo)變換 24 Figure 33 Three coordinate trans
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