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1.浙江大学电气工程学院,浙江省杭州市 310027
2.国网浙江省电力有限公司电力科学研究院,浙江省杭州市 310014
李梦菲(1995—),女,博士研究生,主要研究方向:电力电子装置在配电网中的应用与控制。E-mail:limengfei@zju.edu.cn
杨欢(1981—),男,通信作者,博士,教授,主要研究方向:分布式发电与微电网、智能配用电。E-mail:yanghuan@zju.edu.cn
赵荣祥(1962—),男,博士,教授,博士生导师,主要研究方向:交流调速系统、分布式发电与微电网、并网逆变器、储能及其应用等。
收稿日期:2020-12-04,
修回日期:2020-12-14,
网络出版日期:2021-02-18,
纸质出版日期:2021-09-10
移动端阅览
李梦菲,杨欢,赵荣祥等.基于模糊逻辑的柔性多状态开关协调控制策略[J].电力系统自动化,2021,45(17):35-42.
LI Mengfei,YANG Huan,ZHAO Rongxiang,et al.Fuzzy Logic Based Coordinated Control Strategy for Flexible Multi-state Switch[J].Automation of Electric Power Systems,2021,45(17):35-42.
李梦菲,杨欢,赵荣祥等.基于模糊逻辑的柔性多状态开关协调控制策略[J].电力系统自动化,2021,45(17):35-42. DOI: 10.7500/AEPS20201204010.
LI Mengfei,YANG Huan,ZHAO Rongxiang,et al.Fuzzy Logic Based Coordinated Control Strategy for Flexible Multi-state Switch[J].Automation of Electric Power Systems,2021,45(17):35-42. DOI: 10.7500/AEPS20201204010.
为抑制系统干扰对多端柔性多状态开关(FMS)直流侧电压及交流侧输出功率的影响,提出一种基于模糊逻辑的新型协调控制策略。文中设置定直流电压控制端口与下垂控制端口,从直流电压稳态偏差和系统稳定时间入手,分析不同工况下系统对下垂系数的需求;之后,设计出一种基于模糊逻辑的可变下垂系数,可根据直流电压的偏差大小及其变化趋势实时改变,以加快系统稳定过程,避免下垂系数设置不当对系统控制性能的影响;最后,在MATLAB/Simulink平台中搭建了基于模块化多电平变流器的四端口FMS模型,通过与传统协调控制策略的仿真对比,验证了所提策略的有效性。
In order to suppress the influence of system disturbance on DC-side voltage and AC-side output power of a multi-port flexible multi-state switch (FMS)
a new coordinated control strategy based on the fuzzy logic is proposed. This paper sets the constant DC voltage control port and the droop control port
and analyzes the system demands for the droop coefficient under different operation conditions from the steady state error of DC voltage and system stabilization time. Then
a kind of variable droop coefficient based on fuzzy logic is designed
which can change in real time according to the deviation of DC voltage and its changing trend
so as to accelerate the system stabilization process and avoid the influence of improper setting of the droop coefficient on the system control performance. Finally
a model of four-port FMS based on the modular multilevel converter is built in MATLAB/Simulink platform
and the effectiveness of the proposed strategy is verified by the simulations compared with the traditional coordinated control strategies.
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