单相三线式变压器模型在配电网潮流计算中的应用  

Application of single-phase three-wire transformer model in distribution network power flow calculation

作　　者：陈艳芳[1] 徐丽杰[1] 王玮[1] 王延春 赵长顺 王伟 

机构地区：[1]北京交通大学电气工程学院,北京100044 [2]延边供电公司,吉林延吉133000

出　　处：《华北电力大学学报（自然科学版）》2011年第3期23-27,共5页Journal of North China Electric Power University：Natural Science Edition

摘　　要：针对含单相变压器的配电网络,介绍了节点间指定法,并用节点间指定法建立单相三线式变压器模型,给出模型的节点导纳矩阵。通过该模型可以解决配电网中高压系统与单相三线制低压系统的混合潮流计算问题。利用所给出的单相三线式变压器模型进行了实例计算与分析,结果表明模型在配电网潮流计算中是可行的。For distribution network with single-phase transformer,the paper introduces the indication method between nodes and presents a new model of single-phase three-wire transformer using this method and give the model＇s node admittance matrix using the model could solve the problem of power flow calculation when high-voltage and low-voltage with single-phase three-wire distribution systems are connected together.Using this new model has computeu an exampled and analyzed the result.It shows that this model is feasible in electric distribution net work flow calculation.

关 键 词：节点间指定法 单相三线式变压器 模型 配电网 潮流计算 

分 类 号：TM411.1[电气工程—电器]