配网中电压质量调节器的优化配置研究  

Optimal allocation of voltage quality conditioner in distribution network

作　　者：冯兴田[1] 韦统振[1] 齐智平[1] 

机构地区：[1]中国科学院电工研究所,北京100190

出　　处：《电力系统保护与控制》2012年第8期78-83,共6页Power System Protection and Control

基　　金：国家自然科学基金项目(50807052;51107134)~~

摘　　要：针对高渗透下分布式发电配电网系统中的电压质量问题,提出采用电压质量调节器(VQC)进行改善。通过分析含有VQC的高渗透分布式发电系统的功率流模型,确定VQC的使用环境;通过分析VQC在直流侧储能存在与否两种情况下的能量需求,确定VQC串并联容量的计算方法。针对所提出的优化配置的数学模型和约束条件,提出了基于遗传算法的VQC优化配置策略,实现了VQC串并联容量的合理分配,有效地解决了相关电压质量问题。实际范例仿真验证了优化配置策略的实用性和可行性。Aiming at voltage quality problems in high penetration of distributed generation, the paper proposes voltage quality conditioner to improve the problems. The using circumstance of VQC is ascertained by analyzing the power flow model of the distribution network system with VQC. The calculation method of VQC series and parallel capacities is ascertained by analyzing the energy requirement in two cases of the DC side energy storage of VQC existing or not. According to the provided mathematic model and constrained conditions of the optimal allocation, the paper proposes the optimal allocation strategy of VQC based on genetic algorithm, realizes the reasonable allocation of the VQC series and parallel capacities and effectively solves the related voltage quality problems. The practical example testifies the practicability and feasibility of the optimal allocation strategy through simulation study.

关 键 词：优化配置 遗传算法 电压质量调节器 功率流 目标函数 分布式发电 

分 类 号：TM711[电气工程—电力系统及自动化]