含分布式电源主动配电网的电压控制研究-电气工程专业论文.docxVIP

华北电力大学硕士学位论文摘 华北电力大学硕士学位论文 摘 要 随着化石燃料的枯竭，对环境问题重视程度的日益加深，使用可再生能源 发电代替传统能源发电的分布式发电成为一个不错的缓解措施。分布式能源的 大规模并网，一方面缓解了能源和环境问题，同时对配电网的电压控制带来新 的挑战，反向潮流的产生使基于单向潮流的传统被动式电压控制不再合适，逐 渐向主动型转变。主动配电网的电压控制策略主要可分为基于本地信息的分散 式控制和基于全局信息的集中协调式控制两大类。相对于分散式控制本地节点 电压，集中协调式电压控制从全局的角度优化电压控制。最后对集中协调式与 分散式调压质量进行仿真比较和基于最优潮流程序的DG接纳潜能比较，通过 分析得出集中协调式控制比较适合通信设备完善且调压设备较多的城市配电 网，而分散式控制较常用于含有较少调压设备的通信设施不完善的郊区配电网。 关键词：分散式；集中协调式；仿真分析；最优潮流：潜能比较 万方数据 华北电力大学硕士学位论文Abstract 华北电力大学硕士学位论文 Abstract With the depletion of fossil fuels．and the increasing importance of reducing greenhouse gas emission，the implementing of distributed generation that using renewable energy becomes a good choice to mitigate these problem．The connection of distributed generation，alleviates the problem of energy and environment，at the same time，brings new chal lenges to the distribution network voltage contr01． Passive voltage control based on unidirectional flow iS no longer suitable for the reason of bi—directional poweL and gradually shifts to active voltage contr01．Active distribution network voltage control strategy mainly includes the distributed voltage control and coordinated voltage contr01．Compared with the decentralized local node voltage control，coordination voltage control makes decisions from a global perspective．Finally,comparing the effectiveness of distributed voltage control and coordinated voltage and the potential capacity of DG bas ed on optimal power flow program．We can easily get the conclusion that coordinated voltage control iS more suitable for urban distribution network which contains more communication facilities and voltage regulating equipment，and distributed voltage control is often used to rural distribution network that contains less voltage regulating equipment and communication facilities． Keywords：distributed，coordinated，Simulation analysis，OPF，potential comparison II 万方数据 华北电力大学硕士学位论文目 华北电力大学硕士学位论文 目 录 摘 要 l Abstract ．．II 第l章引言 l 1．1研究背景及意义 ．1 1．2国内外研究现状 ．．1 1．3论文主要内容 ．3 第2章配电网电压控制基础理论 ～4 2．1配电网电压上升原理