利用MATLAB中Sim+Power+Systems模库时变压器模型的参数计算及其仿真结果比较
变压器模型 matlab 仿真 参数计算第21卷第1期向秋风,等:利用 MATLAB中 Sim Power System模库时变压器模型的参数计算及其仿真结果比较17其标幺值:R=4.52X10-3,X=0.11.绕组参数22短路仿真实验结果给定R=R=226×10-3,L=L=0.05从图6可以看出,短路损耗为180.1kW,这基2.1空载仿真实验结果本上与实际技术参数相吻合从图3~5可以看出,空载损耗为80.5kW,UB短路仿真实验是以高压侧额定电流为基准(在相位上超前UL约30°,这基本上与实际技术参数=70A),在低压侧进行三相短路仿真,相电压仿真相吻合结果如图7,获得△Um=296kv,其百分比为3△Um/(2Un)=11%.这也与实际技术参数相吻LRHR CA YaC vaseI合wabcV-1POabe三Ullabe554D05QKRoEy3图3变压器空戟仿真实验图32B57121-D3QkI图6变压器短路仿真实验图10y0.0000050010001500200025003000350040图4变压器空载电流00050100150200.25030035040U高压则)图7变压器短路电压论300204.o603doa1201416018020综合空载及短路仿真实验结果,并与实际铭牌技术参数进行了比较,两者是吻合的,迸明本文给出U(高压侧的建模假设是可行的,由此而获得的参数给定方法D, 2是正确的,有效的这给进一步的电力系统仿真研究奠定了基础-1000020040060.080.100120140160180.20图5变压器空载电压参考文献[1] Hanselman D, Littlefield B, Mastering MATLAB6[M]. Beijing空载电流仿真结果如图4,获得lumn=1.39A,leaton其百分比为lam(2)=1.4%.这也与实际技术2李嗟淋,文习山,陈慈堂单相变压器直流偏磁励磁电流仿真分参数相吻合析[]高电压技术,005,31(9):8-10利用MTAB中 iSim Power Syst模库时变压器模型的参数计旧万据做算及其仿真结果比较作者:向秋风,刘启华,王晖, Xiang Qiu-feng, Liu Qi-hua, Wang hui作者单位:长沙理工大学,电气与信息工程学院,湖南,长沙,410076刊名:长沙电力学院学报(自然科学版)英文刊名:JOURNAL OF CHANGSHA UNIVERSITY OF ELECTRIC POWER ( NATURAL SCIENCE)年,卷(期):2006,21(1)被引用次数5次渗考文献(2条)1. Hanselman D; Littlefield B Mastering MaTLab6 20022.李晓萍;文习山;陈慈萓单相变压器直流偏磁励磁电流仿真分析[期刊论文]高电压技术2005(09本文读者也读过(条)1.刘荣林从理想变压器模型反演铁心变压器的等效电路[会议论文]-20032.李晓庆.陈尔奎纪志成. LI Xiao-qing. CHEN Er-kui. JI Zhi- cheng基于 MATLAB单相变压器的仿真建模及特性分析[期刊论文]变压器2005,42(3)引证文献⑤条)1.蓝正升.佟来生.刘宏.毛业军HⅫD1型电力机车辅助系统仿真硏究[期刊论文]铁道机车车辆2008(22.崔芳芳基于 MATLAB的三相变压器励磁涌流仿真分析[期刊论文]安徽电气工程职业技术学院学报2010(1)3.刘中田.罗丽燕.周果.赵会兵激磁涌流的高频信号及对应答器干扰分析[期刊论文]北京交通大学学报2012(5)4刘志林.桂勋.张建成风电并网合闸操作过电压研究[期刊论文]电力科学与工程2011(11)5.顾生杰.任恩恩.田铭兴绕组布置对变压器式可控电抗器谐波抑制的影响[期刊论文]高电压技术2011(8)本文链接http://d.wanfangdata.comcn/periodiCalcsdlxyxb200601004.aspx
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ansoft Maxwell 3d教程.pdf
ansoft Maxwell 3d 向导式的用户界面、精度驱动的自适应剖分技术和强大的后处理器时的Maxwell 3D成为业界最佳的高性能三维电磁设计软件。可以分析涡流、位移电流、集肤效应和邻近效应具有不可忽视作用的系统，得到电机、母线、变压器、线圈等电磁部件的整体特性。功率损耗、线圈损耗、某一频率下的阻抗（R和L）、力、转矩、电感、储能等参数可以自动计算。同时也可以给出整个相位的磁力线、B和H分布图、能量密度、温度分布等图形结果。本文件是软件使用教程.希望能帮助大家·Printing HistorNew editions of this manual include material up dated since theprevious edition. The manual printing date, indicating the manualscurrent edition, changes w hen a ncw edition is printed. Minorcorrections and updates incorporated al reprint do not cause the daleto changeUpdate packages may be issued betw een editions and containadditional and/ or rep lacement pages to be merged into the manualby the user Pages which are rearranged because of changes on aprevious page are not considered to be revised.EditionDateSoftwareRevisionFebruary 1991April 199212December 1993October 19964.1September 19995.06December 20006.0WWW⊥nmTypeface ConventionsComputerCter type is used fon promptsand messages, for field names, and for keyboard entries that must be ty ped in theirentirety exactly as shown. For example, thenstruction"copy filel"means to type the w ordcopy, to type a space. and then to type filelMenu/Command Computer type is also used to display the commands that are needed to perform a specifictask Menu levels are separated by forwardslashes (/) For example, the instructionhoose File/Open"means to choose the Opencommand under the file menuItalicsItalic type is used for emphasis and for thetitles of manuals and other publications. Italictype is also used for key board entries when aname or a variable must be typed in place ofthe words in italics. For example, the instruc-rion“ copy filename” means to type the wordcopy, to type a space, and then to type then amc of a filc. such as filelKeysHelvetica type is used for labeled keys on thecomputer keyboard. For example, the instruc-tion"Press Return?"means to press the key onthe com puter that is lahcled Returnwww.docin.coInstallationBefore you use Maxwell 3D, you must1. Set up your systems graphical windowing systerm2. Install the Maxwell softw are, using the directions in theAnsell PC or UNIX Installation guideIf you have not yet done these steps, refer to the ansoft installetionguides and the documentation that came w ith your computer systemor ask your system administrator for helpsing a Graphical User InterfaceIf you are familiar with the concepts of using a mouse, menus, andother graphical user interface(GUn)tools, skip to Chapter 1“ IntroductionIf you have not used GuI systems before, this section will help youunderstand some of the terminology used in this guide. Since GUIare basically visual, the best way to learn to use them is by practicingon your systemMost gui systcms usc a mouseas a poinTing device, with whichyou can select areas on the screenfor command execution andmoving from one program toanother. Your mouse may have 2www.door 3 buttons; Maxwell 3D ignoresthe middle button on 3-buttondelsAnsoft products donot usc this button. You canprogram mouse buttons to work in non-standard ways, as you mightwant to if you are left-handed. For simplicity, the left-hand hutton(under your forefinger if you are right-handed) is called the leftbutton, and the one on far right is the right mouse button. You willprobably find the terms intuitive once you use these buttons a fewtimesPoint and click; Right clickTo choose an item with the mouse, first move it on your desk until thearrow cursor is on that item; you are now pointing" at the item. Next,ress and release the left bu tton thlled"clicking " Point-andclick is the most common action you will make with your mouseally, click" refers to a lefise button clickYou can sometimes use your right mouse button to access or entercommands. In the 3d Modeler for instance, a right mouse buttonclick causes a short menu of commands to appear at the moustcursor. Generally, right click "refers to a right mouse button clickDouble-ClickOccasionally you may want to sclect all of thc text in a box,orperform a special lask(such as indicating the end of drawing a linewhile you are using Maxwell 3D. You can do this efficiently byquickly clicking twice with your left mouse button -a doubleDragging objects; Click and HoldWhen you are drawing in the 3D Modeler, you can often use yourmouse to enter objects and move around the screen. Frequently, youwill click the mouse button and hold it down until the next part of thecommand is reached (the object is oved, the next point is enteredand so forth). If you click and hold on the edge of a w indow, you canposition, or drag, the window on your screen. You can often dragobjects in Maxwell; experiment to see w hat will moveTool BarsTool bars are shortcut methods for entering commands. There is atool bar in the 3d Modeler and most of the setup modules for severalcommand s. To use a tool bar. click the mouse cursor on the buttonyou want to use. Here is an example of a tool bar囗。圖哦良风≌固函MenusWithin each screen of maxwell 3d are areas w hich list subsets ormenus,of commands. You can access a menu by clicking your mouseon the word or button that indicates the menu. The menu is pulleddown, listing the commands available on that menu. (For examplethc New command is availablc on the File mcnu. Usually, thc mcnuwill remain displayed until you choose a command, or click on thedesktop to exit. If the menu does not remain displayed, click and holdthe mouse button, then release the button to make your choiceFile Edit viewNewopenCloseSavectrl+SSave AsImportExportExitctrl+QAn arrow on the right side of a command indicates that there is asubmenu for that command. An ellipsis (. )indicates that a pop-upwindow appears aftcr choosing this commandWhen you are asked to use a menu command, each level is separatedby a"/". Thus, to zoom in on a drawing, you would choose the viewLoom In menu command To open a new file, you would choose File/There are also pop-up menus, which appear when you righL-click ona maxwell modeler window. choose commands from thcsc menus inthe same way as from menu barsFor more information on using GUIs, refer to"User Interface"in theMaxwell Control Panel,s online help systemOther ReferencesFor detailed information on Maxwell 3d commands refer to theonline documentation for the maxwell 3d field simulatorTo start maxwell 3d, you must first access the maxwell controlPanel. for more detailed inform ation on the maxwell control panelcommands, refer to the Maxwell Control Panels online help systemwww.docin.comTable of Contents1. Introduction1-1General Procedure.1-2The Sample Problem1-4Meshes.....,,,,,,,,面2. Create aAccess the maxwell Control Panel·:.·:·甲,,,,,,,,,,2-2Start the Project managerCreate a Project directoryCreate a New project··,···············,·,,,,,,,,,,2-6Enter notes2-73. Draw the model3-1Open the project3-2Start. the 3D Modeler3-3Side window........................snaps3-6Define the problem region: Coordinates and Units ..,...... 3-7Absolute and relative coordinates3-7Grids3-7Zooming in and out of the view window3-9Create the electromagnet3-10Draw the Coil...,,.,..,3-10Draw thc Circlc........,..,...,,,......,..........3-10Create the Cylinder,,3-11Create the hole for the Core3-12Draw the Core·中··············3-13SavingP3-14Create the magnel翻...3-15Draw the magnet3-15Move the magnet3-15Toggle Off the Background..................3-16Create a termini..........,,,,,..,,,,......,,,..3-17Create the Coil terminal..........,,......,,,.,..3-18Define the Problem Region;..,;;“;##.3-20Define the Problem Region .................. 3-21Shading and rendering . ......................................3-22Exit the 3d modeler3-234 Define The problemAccess the Material Manager4-2Exclude the background·····+···,,,,,,,,,,,,,,.4-2Assign Steel to the CoreAssign Copper to the Coil4-3Assign vacuum to the problem Region.......4.......4-3Assign NdFe35 to the Magnet4-3Access the 3D Boundary/Source Manager45assign a current to the coil.....4-6Define the sourceAssigning the Source lo the Termina.........,..,,,,∴4-64-7Check the Direction of the CurrentExit the 3D Boundary/Source Manager4-85. Generate a Solution5-1Setup executive Parameters······5-2Create a Force Setup for the Magnet.5-3Create a Force Setup for the Coil and Core5-3Create a Force Setup for the entire model·········Exiting the Executive Parameters moduleSpecifying Solution Criteria·非5-5Solver type11翻自。■非非首·····:.··.·Magnetic Field SolveResidualSolve for Field and Parameters+++++++++++++++++++++;,+“++Adaptive analysisContents-2
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