Battery energy storage power supply simulation model for power grid frequency regulation

被引：0
|
作者：
College of Electrical and Information Engineering, Hunan University, Changsha [1 ]
410082, China
机构：
[1] College of Electrical and Information Engineering, Hunan University, Changsha
来源：
Dianli Xitong Zidonghue | / 18卷 / 20-24 and 74期
基金：
中国国家自然科学基金;
关键词：
Electro-magnetic transient (EMT); Frequency regulation; LiFePO[!sub]4[!/sub; Simulation;
D O I：
10.7500/AEPS20141012002
中图分类号：
学科分类号：
摘要：
A battery energy storage power supply model for power grid frequency regulation is studied. First, the output characteristics of battery energy storage power are obtained by analyzing the amplitude and charge-discharge frequency characteristics in frequency regulation conditions. Then the process of constructing an electro-magnetic transient (EMT) model of battery energy storage power is presented, based on which a digital simulation model adapted to the needs of frequency regulation research and its parameter identification method are proposed. Finally, based on the multiple sets of experimental data of LiFePO4 batteries, the parameters of the simulation model are identified using an improved genetic algorithm and verified in frequency regulation scenarios. The validation results show that the simulation data of the model fit the actual operating data of the energy storage power with an error less than 1%, and the proposed simulation model has a rational structure that is able to meet the simulation requirements of primary and secondary frequency regulation as well as other applications on a second-minute timescale. ©, 2015 Automation of Electric Power Press.
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页码：20 / 24and74
页数：2454
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