双边交易的裁减模型研究  

A study of the curtailment model for bilateral transaction

作　　者：杨洪明[1,2] 段献忠[1] 

机构地区：[1]华中科技大学电气与电子工程学院 [2]长沙电力学院电力系,湖南长沙410077

出　　处：《电力自动化设备》2003年第3期19-23,共5页Electric Power Automation Equipment

摘　　要：交易裁减是双边交易模式下一种不可缺少的阻塞消除手段。现有的交易裁减主要采用了两种不同类型的裁减模型,其中以NERC(NorthAmericanElectricReliabilityCouncil)裁减模型和总裁减量最小模型最具代表性。首先定性分析了这两种模型的裁减特性,探讨了它们各自的优缺点。在此基础上,为了克服它们的不足之处,引入了相对熵的概念,采用相对熵作为交易裁减优化问题的目标函数,提出了双边交易裁减的相对熵模型。研究表明,该裁减模型既具有总裁减量最小模型的有效裁减特性,又具有NERC裁减模型的公平裁减特性,展现出比现有裁减模型更合理的裁减效果。Transaction curtailment is an indispensable method of relieving congestion to maintain system reliability.There are three main types of models in transaction curtailment ,of which the NERC(North American Electric Reliability Council)model and the minimum overall curtail-ment model are typical models.In order to overcome these shortcomings with the existing transac-tion curtailment model,the concept of relative entropy is introduced and further the relative entropy curtailment model for bilateral transaction is proposed in this paper.This model uses the relative entropy as the objective function of the curtailment optimization problem.Test results show that this relative entropy model has not only the equitable characteristic of the NERC’s model but also the effective characteristic of the minimum overall curtailment model,and thus providing more reasonable transaction curtailment.

关 键 词：裁减模型 电网 电力系统 双边交易模式 可靠性 电力市场 

分 类 号：TM732[电气工程—电力系统及自动化]