实验四配电网单相接地故障仿真实验

《实验四配电网单相接地故障仿真实验》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、实验四配电网单相接地故障仿真实验（中性点经消弧线圈接地）一、实验目的1、理解简单配电网系统的搭建方法；2、掌握用Simulink仿真中性点经消弧线圈接地系统的方法;3、掌握用Simulink对配电网单相接地故障过程仿真。二、实验工具电脑、MATLAB软件三、实验内容1、采用SimulinkI具搭建配电网中性点经消弧线圈接地故障的电力系统;2、设置各个模块的参数；3、对该电力系统进行仿真分析。注：配电网屮性点经消弧线圈接地故障的电力系统simulink模型为Discr«t«,Ti«l«-005s.。Apov«rguifhre

2、e-PhaseSourc。C•榊Load4图10KV屮性点不接地系统仿真模型V-I1AA&4FT

3、-80OCCLoad2Three-PhaseFault四.实验过程1、各个模块参数设置:发电机参数设置：ParametersPhase—to—phasermsvoltage(V):Frequency(Hz):50Internalconnection:Y▼Specifyimpedanceusingshort：—circuitlevelSourceresistance(Ohms):0.00529Sourceinductance(H

4、):0.000140Linel的参数设置ParametersFrequencyusedforRLCspecification(Hz):50jPositive-andzero-sequenceresistances(Ohmskm)[R1:T0412730.3864]Positive-andzero-sequenceinductances(Hkm)iLILO]T0.9337e-34.1264e-3]Positive-andzero-sequencecapacitances(Fkm)[ClC0.[12.74e-97.751e-9

5、]Linesectionlength(km):Line2的参数设置ParametersFrequencyusedforRLCspecification(Hz)50

6、Positive-andzero-sequenceresistances(Ohms/km)[R1RO]T0?012730「3864]Positive-andzero-sequenceinductances(Hkm)[LILO]:T0?9337e-34「1264e二3]Positive-andzero-sequencecapacitances(F/km)[ClCO

7、]:T12?74e-97「751e-9]Linesectionlength(km):175Line3的参数设置ParametersFrequencyusedforRLCspecification(Hz):[0.012730.3864]Positive-andzero-sequenceinductances(H/km)[LILO]:T0?9337e-34.1264e-3]Positive-andzero-sequencecapacitances(F/km)[ClCO][12.74e-97.751e-9]Linesection

8、length(km):1Line4的参数设置ParametersFrequencyusedforRLCspecification(Hz):5ojPositive-andzero-sequenceresistances(Ohmskm)[R1RO]T0.012730?3864]Positive-andzero-sequenceinductances(H/km)[LIL0]:[0.9337e-34.1264e-3]Positive-andzero-sequencecapacitances(Fkm)[ClCO]:T12.74e-9

9、7?751e-9]Linesectionlength(km):150Loadl的参数设置Paxame七ex*sCon£isvix-a-tionYloaXins)Nomina.1pheise—to—phasevo1TageVrn(Vrms)10^3Nomina1Exequency£n(Hz):50Ac七xver>owor-P(W):1.Oe6IndkicXivereacivepowerQL(positivevar):O.4e6Capaci±ivex*eacXxvepower*Qc(negativevair):oMeastar

10、emen七sNoneLoad2的参数设置ConFisuiral:ion[Y<£loa-tins)Nomina1pheise—七o—phasevoltageVrn(Virms)1O©3Nomxnei1£zruciuunuy£n(IIz):50AcXipower*P(W):O「2e6InduicXivexe