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山东理工大学电气与电子工程学院,山东省淄博市 255000
Received:28 June 2023,
Revised:2023-08-19,
Published Online:03 November 2023,
Published:25 November 2023
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彭克,李云利,赵学深等.考虑随机扰动的直流配电系统宽频振荡镇定控制[J].电力系统自动化,2023,47(22):129-137.
PENG Ke,LI Yunli,ZHAO Xueshen,et al.Wide-band Oscillation Stabilization Control of DC Distribution System Considering Random Disturbance[J].Automation of Electric Power Systems,2023,47(22):129-137.
彭克,李云利,赵学深等.考虑随机扰动的直流配电系统宽频振荡镇定控制[J].电力系统自动化,2023,47(22):129-137. DOI: 10.7500/AEPS20230628002.
PENG Ke,LI Yunli,ZHAO Xueshen,et al.Wide-band Oscillation Stabilization Control of DC Distribution System Considering Random Disturbance[J].Automation of Electric Power Systems,2023,47(22):129-137. DOI: 10.7500/AEPS20230628002.
随着新能源以及电动汽车等大量接入直流配电系统,源网荷储诸多的随机扰动易引发系统不同频率的电压振荡。文中提出基于Hamilton系统理论的随机镇定控制方法,建立基于下垂控制的直流配电系统随机动态模型,反映直流配电系统多时间尺度特性,推导出Hamilton能量函数,设计了直流配电系统宽频镇定控制器。通过仿真及硬件在环实验设置低频、中高频的扰动,验证了所设计镇定控制器的有效性,能够抑制随机扰动产生的宽频振荡现象。
As a large number of renewable energy sources and electric vehicles are connected to the DC distribution system
many random disturbances of source-grid-load-storage are easy to cause voltage oscillations of different frequencies in the system. In this paper
a stochastic stabilization control method based on the Hamilton system theory is proposed
and a stochastic dynamic model of the DC distribution system based on droop control is established to reflect the multi-timescale characteristics of the DC distribution system. Then
the Hamilton system function is derived
and the wide-band stabilization controller for the DC distribution system is designed. Through the simulation and hardware-in-the-loop experiments
the low
middle and high frequency disturbances are set to verify the effectiveness of the designed stabilization controller
which can suppress the wide-band oscillation caused by random disturbances.
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