【正文】 ........................................ 13 Summary............................................................................................................. 16 3 MagicValve controllable reactors Optimization ............................................ 17 Magic circuit analysis of the structure........................................................... 17 Improving the response speed ............................................................................ 19 Harmonic suppression methods study ................................................................ 21 Summary............................................................................................................. 27 4 New Type of magically controlled reactor design ........................................... 28 New reactor s’ Types and Their Phenomenons................................................... 28 Model of New Type Controllable Reactor ......................................................... 29 Two Stage Saturable Controlled Reactor............................................................ 31 Proper design for new type of magic controlled reactor ............................... 33 Summary............................................................................................................. 37 5 Study on var pensation application of new MCR ......................................... 38 Singlephase reactive power detecting method based on instantaneous reactive power theory)............................................................................................................ 38 Analysis and choice of control method .............................................................. 41 Total design of control system ............................................................................ 43 Software design .................................................................................................. 44 Simulation study of magicvalve controlled reactor based on MATLAB).... 45 Summary............................................................................................................. 54 6 Conclusions and prospects ..................................................................................... 55 Conclusions ........................................................................................................ 55 Prospects ............................................................................................................. 55 References ......................................................................................錯誤 !未定義書簽。 IV Author Resume..............................................................................錯誤 !未定義書簽。 Declaration of thesis originality ...................................................錯誤 !未定義書簽。 Dissertation Date Collection...................................................................................... 57 V 圖清單 List of figures 圖序號 圖名稱 頁碼 圖 21 磁閥式可控電抗器的原理接線圖 6 Figure21 Diagram for connection of magicvalve controlled reactor 6 圖 22 磁閥式可控電抗器的電路圖 7 Figure22 Circuit diagram of magicvalve controlled reactor 7 圖 23 晶閘管導(dǎo)通等效電路 7 Figure23 Equivalent circuit diagram of thyristor conduction 7 圖 24 可控電抗器的磁路分析 9 Figure24 Magic circuit analysis of controllable reactor 9 圖 25 磁閥式可控電抗器工作狀態(tài)過程 12 Figure25 Working process transformation 12 圖 26 磁閥式可控電抗器等效電路圖 13 Figure26 Equivalent circuit diagram of magicvalve controlled reactor 13 圖 27 伏安特性 15 Figure27 Voltampere characteristic 15 圖 28 磁閥式可控電抗器控制特性圖 15 Figure28 Control characteristic diagram of magicvalve controlled reactor 15 圖 31 常見的鐵芯結(jié)構(gòu) 17 Figure31 Structures of normal cores 17 圖 32 直流激磁電路圖 19 Figure 32 DC exciting circuit 19 圖 33 不同控制電壓下 Bd 的變化情況 19 Figure33 Transformation of Bd under different control voltages 19 圖 34 LC 振蕩回路 20 Figure34 LC resonance circuit 20 圖 35 移相變壓器示意圖 23 Figure35 Diagram of phaseshifting transformer 23 圖 36 移相變壓器一、二次繞組電流相量圖 24 Figure36 Current vector of first and second side in phaseshifting transformer 24 圖 37 三相移相電抗器的繞組接線圖 24 Figure37 Winding connection diagram of threephase shifting transformer 24 圖 38 移相電抗器工作原 理示意圖 25 Figure38 Working principle diagram of phaseshifting reactor 25 圖 39 移相電抗器的電壓相量圖 25 Figure39 Voltage vector diagram of phaseshifting reactor 25 圖 41 新型可控電抗器原理圖 28 Figure 41 Schematic diagram of new type controllable reactor 28 圖 42 小截面 段等效為大截面段的等效磁路 30 Figure 42 Magic route of small section equal to big section 30 VI 圖 43 雙級飽和可控電抗器鐵芯結(jié)構(gòu) 31 Figure 43 Structure of two class saturation 31 圖 44 雙級鐵芯等效磁特性 32 Figure 44 Equal characteristic of two class saturation 32 圖 45 雙級飽和可控電抗器中 3 次諧波電流抑制效果圖 32 Figure 45 3rd harmonic of two class saturation 32 圖 46 可控電抗器的諧波分布 33 Figure 46 Harmonic distribution of controllable reactor 33 圖 51 磁控電抗器無功補(bǔ)償原理圖 38 Figure 51 Reactive power pensation Schematic diagram 38 圖 52 單相諧波電流 和無功檢測框圖 39 Figure 52 Singlephase harmonic and reactive power measuring sketch 40 圖 53 無功功率補(bǔ)償原理 42 Figure53 Schematic diagram of reactive power pensation 42 圖 54 相同功率因數(shù)下無功電流與負(fù)載的關(guān)系 42 Figure54 Relationship of reactive current and load under the same power factor 42 圖 55 無功功率補(bǔ)償效果示意圖 42 Figure55 Diagram of reactive power pensation effect 42 圖 56 控制系統(tǒng)原理框圖 43 Figure56 Block diagram of the control system 43 圖 57 補(bǔ)償裝置原理示意圖 44 Figure57 Schematic diagram of the pensation device 44 圖 58 軟件流程圖 44 Figure58 Flow chart of software 44 圖 59 MATLAB 中的變壓器模型 45 Figure59 Transformer Model in MATLAB 45 圖 510 磁化特性曲線 46 Figure510 Curve of magism characteristic 46 圖 511 matlab/simulink 等效仿真圖 46 Figure 511 Equivalent simulation diagram in matlab/simulink 46 圖 512 α=0176。時，電壓電流仿真波形 48 Fi