摘要
基于MATLAB/Simulink仿真工具并运用总体测辨建模的方法,研究燃料电池发电系统对配电网侧综合负荷建模的影响。通过对暂态过程中燃料电池发电系统的动态运行特性分析,将燃料电池发电系统看做一个功率消耗为负的广义动态负荷,并采用二阶微分状态方程建立其动态行为的数学模型,进而提出用感应电动机并联燃料电池和静态负荷的广义综合负荷模型来等效描述含燃料电池发电系统的配电网侧综合负荷特性。对3种典型运行方式下系统受到不同的扰动强度进行仿真分析,验证了所提出的广义综合负荷模型的有效性、内插外推能力和参数稳定性。
Based on MATLAB/Simulink tool and the theory of measurement-based load modeling method, the influences of fuel cell （FC） generation system on the load modeling of distribution network are studied. Through the analysis of dynamic operation characteristics in the transient state processes of FC generation system, FC generation system is regarded equivalent to a generalized dynamic load which consumes negative power, and can be described by second-order differential equations. Then the synthesis load model of diotribution network with FC generation system is proposed. Such model is represented by the generalized synthesis load model （GSLM） of induction motor in parallel with FC and static load. The validity, the ability of interpolation and extrapolation and the stability of parameters of the proposed GSLM are testified by the analysis of simulation modeling of three typical operation states with different interference intensities.
出处
《电力系统自动化》
EI
CSCD
北大核心
2012年第22期44-49,107,共7页
Automation of Electric Power Systems
基金
国家自然科学基金资助项目(50977023)
湖南省自然科学基金重点资助项目(10JJ2043)~~
关键词
电力负荷建模
燃料电池
感应电动机
总体测辨法
广义综合负荷模型
power load modeling
fuel cell （FC）
induction motor
measurement-based method
generalized synthesis loadmodel （GSLM）
