含具有风速相关性风电场发输电系统可靠性评估

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1、第41卷第2O期电力系统保护与控制Vb1．4lNO．202013年10月16日PowerSystemProtectionandControlOct．16．2013含具有风速相关性风电场的发输电系统可靠性评估秦志龙，李文沅，熊小伏(1．重庆大学输配电装备及系统安全与新技术国家重点实验室，重庆400044；2．BEHydro公司，加拿大温哥华V7X1V5)摘要：提出了一种改进相关矩阵蒙特卡罗模拟法与拉丁超立方采样法相结合的多维相关风速抽样方法，并把该方法应用于含多个风电场的发输电系统可靠性评估。通过实际风速数据对模型的验证表明：提出的风速相关模型能够充分保持实际风速数据的概率分布，基

2、本统计量和相关特性。将该模型和方法应用到MRTS可靠性测试系统中，证明了该方法适用于含具有风速相关性的风电场的发输电系统可靠性评估。并通过算例，对风速相关性程度、风电场接入位置和风能渗透水平三个因素对含风电场的发输电系统可靠性的影响进行了分析。关键词：发输电系统的可靠性评估；蒙特卡罗模拟法；风电场；风速相关性；拉丁超立方采样法ReliabilityassessmentofcompositegenerationandtransmissionsystemswithwindfarmsconsideringwindspeedcorrelationsQrNZhi．1ong，LIWen．yu

3、an一，XIONGXiao．fu(1．StateKeyLaboratoryofPowerTransmissionEquipment&SystemSecurityandNewTechnology(ChongqingUniversity)，Chongqing400044，China；2．BCHydroCompany,VancouverV7X1V5，Canada)Abstract：Thispaperpresentsasamplingmethodofmultidimensionalcorrelatedwindspeedthatcombineswithimprovedcorelationm

4、atrixMonteCarlosimulationmethodandLatinhypercubesamplingmethod．Theproposedmethodhasbeenappliedtocompositegenerationandtransmissionsystemreliabilityevaluationwithmultiplewindfarms．ThetestsusingactualwindspeeddataverifythattheproposedmodelforwindspeedcorelationCancapturethestatisticalproperties

5、ofactualwindspeeds，includingprobabilitydistributions，basicstatisticsandcorrelations．TheresultsfromtheapplicationoftheproposedmethodtotheMRTSreliabilitytestsystemdemonstratethatthismethodisappropriateforreliabilityevaluationofcompositegenerationandtransmissionsystemcontainingmultiplewindfarmsw

6、ithcorelations．Andaccordingtosomeexamples，theefectsofwindspeedcorrelation，positionofwindfarmandwindpowerpenetrationleveloncompositegenerationandtransmissionsystemreliabilityincludingwindfarmsareanalyzed．ThisworkissupportedbytheChongqingUniversityPostgraduates’ScienceandInnovationFund(No．CDJXS

7、1l1500251andtheScientificResearchFoundationsoftheStateKeyLaboratoryofPowerTransmissionEquipment&SystemSecurityandNewTechnologyinChina(No．2007DA10512710201andNo．2007DA10512711102)．Keywords：compositegenerationandtransmissionsystemreliabilityeva