电力市场的输电阻塞管理

摘要

本文取材选自2004年全国大学生数学建模竞赛B题，采用两种方法研究电力市场的输电阻塞管理问题，并通过建立相应的模型进行求解。
本分为两大部分。第1部分是基于经济调度的阻塞管理方法。分4个问题来说明，问题1我们采用多元线性回归方法求出了线路有功潮流相关各机组的出力表达式；问题2中，根据市场交易规则，本着安全、简明、合理和公平的原则提出了两种计算阻塞费用的规则；针对问题3，我们遵循电力市场交易原则，对给定的负荷要求制定出力预案；问题4中，根据预案检验是否出现阻塞，按步骤提出了解决阻塞管理的规划模型。模型采用MATLAB中的单目标规划函数linprog和多目标规划函数fgoalattain进行求解。
第2部分是基于最优潮流的阻塞管理方法。阻塞管理模型是在双边交易合同市场的条件下建立的，借助于最优潮流这个工具，根据市场报价调整实时平衡市场的电厂出力，在必要时可通过竞价手段削减某些双边合同量，目标函数为调整费用最小，并且采用5节点模拟电力系统对该模型进行了检测。

关键词：输电阻塞管理；linprog；fgoalattain；经济调度；最优潮流。

Abstract

The paper gets material from the test B in the national university students mathematics setting up mold contest on 2004. We studies the problem of transmission congestion management on the electric power market, and built up the homologous model to solve.
This paper is divided two parts. The first part is based upon economic dispatch about the method of congestion management. Its divided four problems to explain. In the first problem, we defines the expression with the relation between electric power generating and current flow value with the method of linearity regression;Problem two, based the principle  of market business with the principle of safety,conciseness,reason and fair ,we bring forward two rules to counting congestion charge; To problem three, followed the electric power market  bargain principle,we draw up contribute beforehand case for ordered burthen ;Problem four, according to beforehand case examination appears to jam or not, we press step to put forward the programming model that solve the congestion management.The model is introduced the single target  programming function “linprog” and many targets function “fgoalattain” in MATLAB to solve. （科教论文网 Lw.nsEAc.com编辑整理）
The second part is based upon Optimal Power Flow (OPF) about the method of congestion management.The model on congestion management is build up under the condition of the bilateral bargain  contract market, recur to the tool of  OPF, lift a hand to according to the power station of the equilibrium market for the market offer to adjust solid, can cut down the some and bilateral amount of contract through the competing price means as occasion  requires, the target function for adjust the expenses minimum, and adopted the 5 nodes  simulation electric power system to carried on the examination to that model.

Keywords: transmission congestion management; linprog; fgoalattain;economic dispatch; Optimal Power Flow(OPF).