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电网技术  2012 

考虑负荷电压静特性的含分布式电源的配电网潮流计算

, PP. 217-223

Keywords: 负荷,静态电压特性,分布式电源,配电网,潮流计算,改进前推回代法

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Abstract:

针对传统前推回代算法在考虑负荷静态电压特性时存在迭代次数较多、对负荷静态电压特性变化呈强敏感性的问题,提出了一种改进前推回代法。与传统前推回代法相比,改进算法的效率对负荷静态电压特性变化的敏感性较弱。研究了各种类型分布式电源(distributedgenerators,DG)在改进前推回代算法中的计算模型,克服了前推回代法只适用于基金项目国家863高技术基金项目(2008AA05Z216);国家自然科学基金项目(51007022,50877026)。TheNationalHighTechnologyResearchandDevelopmentofChina863Program(2008AA05Z216);ProjectSupportedbyNationalNaturalScienceFoundationofChina(51007022,50877026).P、Q恒定型负荷节点的限制。以IEEE36节点系统为例验证了算法和模型的有效性和鲁棒性,并分析了不同负荷静态电压特性、不同类型DG对算法收敛性及系统潮流的影响,为DG合理接入配电网提供参考。

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