实验三配电网单相接地故障仿真实验

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1、实验三配电网单相接地故障仿真实验（中性点不接地运行）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仿真中性点不接地系统的方法;二.实验工具电脑、MATLAB软件三、实验内容1、采用SimulinkI具搭建配电网单相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：配电网单相接地故障的电力系统simulink模型为图10KV中性点不接地系统仿真模型四、实验过程1、各个模块参数设置:发电机参数设置：ParametersPhase—to—phasermsvoltage(V):10.5e3

2、

3、PhaseangleofphaseA(degrees):0Frequency(Hz):0・00529Sourceinductance(H):0.000140Linel的参数设置ParametersFrequencyusedforRLCspecification(Hz):50

4、Positive-andzero-sequenceresistances(Ohmskm)[R1:Fo.012730.3864]Positive-andzero-sequenceinductances(Hkm)LLILOJFo.9337e-34.1264e-3]P

5、ositive-andzero-sequencecapacitances(F/km)[ClCO..12.74e-97.751e-9]Linesectionlength(km):Line2的参数设置ParametersFrequencyusedforRLCspecification(Hz):andzero-sequenceinductances(Hkm)[LIL0]:Positive-[0.9337e-34.1264e-3]Positive-andzero-sequencecapacitances(F/km)[ClCO]:tl2「74e

6、-97「751e-9]Linesectionlength(km):175Line3的参数设置ParametersFrequencyusedforRLCspecification(Hz):[0.012730.3864]Positive-andzero-sequenceinductances(H/km)[LIL0]:T0.9337e-34.1264e-3]—Positive-andzero-sequencecapacitances(Fkm)[ClCO〕:112.74e-97.751e-9]Linesectionlength(km):1Li

7、ne4的参数设置ParametersFrequencyusedforRLCspecificstion(Hz):Positive-andzero-sequenceinductances(Hkm)[LIL0]:[0.9337e~34.1264e-3]Positive-andzero-sequencecapacitances(Fkm)LClCO]:112「74e-97「751e-9]Linesectionlength(km):150Loadl的参数设置Parame七ez*sCon£igtiira-tionY(£loaXing)Nomina1

8、phase—七o—phasevo1XaseVn(Vrirms)10^3Nomina1frequency£n(Hz):50AciV€=*PCWWT*P(W):1・Oe6Indvict:ivoreac七ivepowerQL(positivevar):O.4e6Load2的参数设置Paxame七exsConfigoxretl:ion[Y(f*loa-tins)Nomina1phwise—七o—phasevoltageVrn(Vrms)10^3Zomxnet1£zruciuunuy£n(IIz):50Activepower*P(W):O.2e

9、6InducXivexemc七xvepoxvex*QL(posiXivevar):O.4e6Car>aciTivoareacXivejDowerQc(negaXivevax*)oMeasixirementsNonoLoad3的参数设置Pax*ame*tex*sCon£*iguiara-tion

10、Y(f*loaXing)Nomina1phase—to—phmsevoltagern(Vrms)10^3Nomxn&.1dFx-ocjvioncy£n(Hn〉:50AcXivepower*P(W):2e6IndocxivoxroacXir&

11、powexQL(positivevax*):O.4e6Car>acit:ivexeac七x7epowexQc(negaXivevax*):oMeasox*ernent:sIZoneLoad4的参数设置Parame七ers