基于pscad的风电场操作过电压仿真分析-(1700)

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1、三峡大学硕士学位论文previousanalysisthelayoutofthewindfarmischangedintofork,ring,startoexploretheovervoltageconditionsanditsmechanismisexplained.Finally,aseriesofprotectionprogramswillbeproposed,andasimulationofwindfarmaccessbyR-Cdeviceverifiedtheaccuracyofthispaperandtoprovidearealisticbasisforsolving

2、theovervoltageissues.Areferenceforthedesignoftopologyofcablesystemsinwindfarmsandinsulationofstep-uptransformerareprovided.Keywords:windenergytransientovervoltagetransformerclosingoperationcablesystemPSCAD万方数据三峡大学硕士学位论文目录引言......................................................................

3、.........................................1 1绪论................................................................................................................2 1.1课题背景...............................................................................................2 1.2研究现状......................

4、........................................................................3 1.3风电场中暂态过电压现象简述...........................................................4 1.4风电场与架空线系统的区别..............................................................5 1.5行波在电缆中的传播...................................................

5、.......................7 1.6论文所做工作......................................................................................9 2风电场元件的模型及行波的传播..............................................................10 2.1电缆的建模...................................................................................

6、......10 2.2真空断路器的建模研究....................................................................15 2.3变压器模型........................................................................................19 2.4简化风电场中行波的传播................................................................20 2.5本章小结.............

7、...............................................................................28 3风电场电气系统合闸仿真分析.................................................................30 3.1风电场的电气布局...................................................................