基于费用流法的输电网节点电力成本分析.pdf

中国电机工程学报 Vol.22 No.12 Dec. 2002 第 22 卷第 12 期 2002 年 12 月 Proceedings ofthe CSEE C2002 Chin.Soc.for Elec.Ellg. 文章编号: 0258-8013 ο002) 12-0036-05 基于费用流法的输电网节点电力成本分析 穆钢， 王华伟， 韩学山 ( 东北电力学院， 吉林 132012 ) DETERMINING BUS ELECTRICITY COST OF TRANSMISSION SYSTEM BY THE COSTFLOWl\钮THOD MU Gang, WANG Hua-wei , HAN Xue咄an (N0l1he削China Institute ofElectric Power Engineering , Jilin 132012, China) ABSTRACT: This paper presellts an idea of cost flow by 中图分类号: TM744; F123.9 文献标识码: A regarding power flow as the canÏer of electlÏcity cost and 引言 analyzing the flowing mechanism of it ecollomically ; therefore, a llew cost f10w model can be COllstlucted. Thus , 1l0t only an 在电力市场的条件下， 输电网中任一节点其负 elltÌfe analysis of node ∞st price which includes generatioll 荷所取用电力的成本都与发电上网电价和输电成 cost and transmissioll charges call be achieved, but the effect 01l ， 各发电广的上网电价会由于竞价而各有 本有关 cost price determined to mOllomial cost can be calculated 不同， 输电成本包括与支路潮流有关的固定成本 individual1y as well. By tlacillg the cost flow, a direct 和功率损耗的成本。 上网电价和输电成本对各节 relationship between generation power and load pow町 involvillg power loss is clear1y showed, and the components of 点电力成本的影响又与网络的潮流分布有关， 因 cost price can a1so be illustlated.η1Ïs method has a 而确定各负荷节点的电力成本是一个十分复杂的 characteristic of clarity of physical collception. At the same 问题。 time, simplification of calculation that is independellt of 以用户为对象的输电费用分配[ 1， 2)单纯计算输 propoltiollal sharing plÏnciple is the additiollal feattue of it 电费用， 因而采用了