[1]汤小川,单英健.基于稀疏时域法的光伏发电机组低频振荡控制研究[J].机械与电子,2025,(01):29-33.
　TANG Xiaochuan,SHAN Yingjian.Research on Low Frequency Oscillation Control of Photovoltaic Generator Units Based on Sparse Time Domain Method[J].Machinery & Electronics,2025,(01):29-33.
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基于稀疏时域法的光伏发电机组低频振荡控制研究()
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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2025年01期
页码:
29-33
栏目:
自动控制与检测
出版日期:
2025-01-30

文章信息/Info

Title:
Research on Low Frequency Oscillation Control of Photovoltaic Generator Units Based on Sparse Time Domain Method
文章编号:
1001-2257 ( 2025 ) 01-0029-05
作者:
汤小川; 单英健
烟台东方能源科技有限公司,山东 烟台 264000
Author(s):
TANG Xiaochuan ;  SHAN Yingjian
( Yantai Dongfang Energy Technology Co. , Ltd. , Yantai 264000 , China )
关键词:
稀疏时域法; 光伏发电机组; 闭环控制; 低频振荡; 萤火虫算法
Keywords:
sparse time domain method ;  photovoltaic power generation units ;  closed-loop control ;  low frequency oscillation ;  firefly algorithm
分类号:
TM615
文献标志码:
A
摘要:
光伏系统的输出功率受到光照强度、温度等多种因素的影响,表现出强烈的非线性特性,难以实时、准确地获取光伏发电机组低频振荡特性,导致最终控制效果不佳。为此,提出基于稀疏时域法的光伏发电机组低频振荡控制方法。首先,考虑光伏系统的非线性,采用稀疏时域法计算光伏发电机组的低频振荡频率与阻尼比,以此获取低频振荡特性;其次,为克服光伏发电机组的低频振荡对系统稳定性的影响,实现后续有效的低频振荡控制,设计光伏发电机组闭环线性化模型,获得控制目标,并建立了低频振荡控制目标函数;最后,采用萤火虫算法对低频振荡目标函数求解,实现光伏发电机组低频振荡控制。实验结果表明,所提方法可准确分析振荡特性,有效抑制光伏发电机组的低频振荡。
Abstract:
Due to the various influence factors such as light intensity and temperature on the output power of photovoltaic systems , it shows strong nonlinear characteristics , making it difficult to accurately reflect the low frequency oscillation characteristics of photovoltaic power generation units in real time , resulting in poor control performance.Therefore , a low frequency oscillation control method for photovoltaic power generation units based on sparse time domain method is proposed.Firstly , considering the non linearity of the photovoltaic system , the sparse time domain method is adopted to calculate the low frequency oscillation frequency and damping ratio of the photovoltaic generator set , so as to obtain the low frequency oscillation characteristics ; secondly , in order to overcome the impact of low frequency oscillation of photovoltaic power generation units on system stability and achieve effective low frequency oscillation control in the future , a closed loop linearization model of photovoltaic power generation units is designed to obtain control objectives , and a low frequency oscillation control objective function is established ; finally , the firefly algorithm is used to solve the low frequency oscillation objective function to achieve low frequency oscillation control of photovoltaic power generation units.The experimental results show that the proposed method can accurately analyze the oscillation characteristics and effectively suppress the low frequency oscillation of photovoltaic power generation units.

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　YANG Zhenrui,SHEN Zhufu,SUN Chen,et al.Automatic Control of Photovoltaic Generator Set Based on T-S Fuzzy Neural Network[J].Machinery & Electronics,2024,42(01):35.

备注/Memo

备注/Memo:
收稿日期: 2024-05-29
基金项目:烟台东方能源科技有限公司能源管理项目( DFRD-2023-002 )
作者简介:汤小川 ( 1986- ),男,山东烟台人,硕士,工程师,研究方向为电力电气自动化;单英健 ( 1988- ),男,山东烟台人,学士,助理工程师,研究方向为绿色节能技术。
更新日期/Last Update: 2025-03-06