多区域互联电力系统的自适应滑模负载频率控制  

Adaptive sliding mode load frequency control for multi-area interconnected power systems

作　　者：王志鹏 陈向勇 刘华伟[1,2] 刘学强 邱建龙 WANG Zhi-peng;CHEN Xiang-yong;LIU Hua-wei;LIU Xue-qiang;QIU Jian-long(School of Automation and Electrical Engineering,Linyi University,Linyi Shandong 276005,China;Key Laboratory of Complex Systems and Intelligent Computing in Universities of Shandong,Linyi Shandong 276005,China;Linyi Power Supply Company,State Grid Shandong Electric Power Company,Linyi Shandong 276005,China.)

机构地区：[1]临沂大学自动化与电气工程学院,山东临沂276005 [2]临沂大学山东省高等学校复杂系统与智能计算重点实验室,山东临沂276005 [3]国网山东省电力公司临沂供电公司,山东临沂276005

出　　处：《控制理论与应用》2023年第7期1252-1260,共9页Control Theory & Applications

基　　金：Supported by the National Natural Science Foundation of China(62173175,61877033);the Natural Science Foundation of Shandong Province(ZR2019BF045,ZR2019MF021,ZR2019QF004)。

摘　　要：本文研究了一类计及电动汽车的电力系统中的负荷频率控制问题.首先,文章将电动汽车模型与传统的负载频率控制模型相结合,在未知扰动波动范围的条件下设计了自适应滑模控制律.其次,本文分别考虑了电网调频中的匹配扰动和不匹配扰动问题,并利用李亚普诺夫稳定性理论导出了匹配和不匹配条件下的系统稳定的充分条件.最后,通过两个区域电力系统的仿真结果表明,电动汽车作为电源和负载都可以提高电网的频率稳定性,所设计的控制器可以有效地调节电网的频率波动.This paper studies the load frequency control(LFC)of power system with electric vehicle(EV).Firstly,combining the EV model with the traditional load frequency control model,an adaptive sliding mode control law is designed under unknown disturbance fluctuation range.Secondly,the matched and unmatched disturbances in power network frequency modulation are considered,and the sufficient conditions for system stability under matched and unmatched conditions are derived using Lyapunov stability theory.Finally,the simulation results of two regional power systems show that electric vehicles can improve the frequency stability of the power grid as both power source and load,and the designed controller can effectively adjust the frequency fluctuation of the power grid.

关 键 词：电力系统 自适应滑模控制 电动汽车 负荷频率控制 

分 类 号：U469.72[机械工程—车辆工程] TM73[交通运输工程—载运工具运用工程]