Article(id=1322531719069159578, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1322531607177707705, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2026.5.109, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1712851200000, receivedDateStr=2024-04-12, revisedDate=1716307200000, revisedDateStr=2024-05-22, acceptedDate=1716912000000, acceptedDateStr=2024-05-29, onlineDate=1793245733277, onlineDateStr=2026-10-29, pubDate=1780070400000, pubDateStr=2026-05-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793245733277, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793245733277, creator=13701087609, updateTime=1793245733277, updator=13701087609, issue=Issue{id=1322531607177707705, tenantId=1146029695717560320, journalId=1146031654075715584, year='2026', volume='24', issue='5', pageStart='1', pageEnd='348', issueExtLink='null', onlineDate='null', pubDate='1780070400000', pubDateStr='2026-05-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793245706600, creator='13701087609', updateTime=1793245706600, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=109, endPage=119, ext={EN=ArticleExt(id=1322531719274680475, articleId=1322531719069159578, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Voltage Stability Control Strategy for Photovoltaic-storage Converters Based on NDO Power Feedforward, columnId=1321491614980223555, journalTitle=Journal of Power Supply, columnName=Renewable Energy Generation and Energy Storage, runingTitle=null, highlight=null, articleAbstract=

In off-grid photovoltaic storage microgrids, the DC-side bus voltage amplitude is easily affected by the fluctuation of photovoltaic (PV) output power and load power, the system may experience DC bus voltage oscillation and long voltage recovery time under the traditional control strategies. In order to improve the dynamic stability of bus voltage, a fuzzy-proportional integral (PI) control method based on nonlinear disturbance observer (NDO) power feedforward is proposed. Firstly, the system state equation in storage discharge mode is established, and the disturbance observation link is designed to observe the disturbance power of the PV and load in real time and add it to the current inner loop as a feedforward quantity after correction. Then, a fuzzy-PI controller based on bus voltage deviation is designed to improve the structure of voltage outer loop, and the design process of disturbance observer and controller is given. Finally, the simulation and experimental results verify that the strategy can have good dynamic stability of DC bus voltage under load impact.

, authors=Lianbing LI1, Xinda LI1, Liangliang DAI1, Zeyu CHEN1, Qingxiang SONG2, authorsList=Lianbing LI, Xinda LI, Liangliang DAI, Zeyu CHEN, Qingxiang SONG, authorCompany=null, correspAuthors=Xinda LI, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322531719916408990, articleId=1322531719069159578, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=基于NDO功率前馈的光储变换器电压稳定控制策略, columnId=1321491615269630533, journalTitle=电源学报, columnName=新能源发电与储能, runingTitle=null, highlight=null, articleAbstract=

离网型光储微电网中,直流侧母线电压幅值易受光伏PV(photovoltaic)输出功率和负荷功率波动的影响,在传统控制策略下系统可能会出现直流母线电压振荡、电压恢复时间过长的现象。为提高母线电压的动态稳定性,提出一种基于非线性扰动观测器NDO(nonlinear disturbance observer)功率前馈的模糊-比例积分PI(proportional integral)控制方法。首先,建立储能放电模式下的系统状态方程,设计扰动观测环节,对PV和负荷的扰动功率进行实时观测,并将其修正后作为前馈量加入到电流内环。然后,设计基于母线电压偏差的模糊-PI控制器对电压外环结构进行改进,给出扰动观测器和控制器的设计过程。最后,仿真与实验结果验证了该策略在负荷冲击下能具备良好的直流母线电压动态稳定性。

, authors=李练兵中国电源学会会员1, 李新达1, 代亮亮1, 陈泽宇1, 宋清翔2, authorsList=李练兵中国电源学会会员, 李新达, 代亮亮, 陈泽宇, 宋清翔, authorCompany=null, correspAuthors=李新达, authorNote=

李练兵(1972— ),男,中国电源学会会员,博士,教授。研究方向:电力电源,电力系统。E-mail:。

代亮亮(1999— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

陈泽宇(1999— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

宋清翔(1997— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

, correspAuthorsNote=
李新达(2000— ),男,通信作者,硕士研究生。研究方向:电力电源,电力系统。E-mail:。
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李练兵(1972— ),男,中国电源学会会员,博士,教授。研究方向:电力电源,电力系统。E-mail:。

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李练兵(1972— ),男,中国电源学会会员,博士,教授。研究方向:电力电源,电力系统。E-mail:。

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代亮亮(1999— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

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代亮亮(1999— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

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陈泽宇(1999— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

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陈泽宇(1999— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

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宋清翔(1997— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

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宋清翔(1997— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

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基于NDO功率前馈的光储变换器电压稳定控制策略
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李练兵中国电源学会会员 1 , 李新达 1 , 代亮亮 1 , 陈泽宇 1 , 宋清翔 2
电源学报 | 新能源发电与储能 2026,24(5): 109-119
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电源学报 |新能源发电与储能 2026 , 24 (5) : 109 -119
基于NDO功率前馈的光储变换器电压稳定控制策略
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李练兵中国电源学会会员1 , 李新达1 , 代亮亮1 , 陈泽宇1 , 宋清翔2
作者信息
  • 1.河北工业大学电气工程学院,天津 300130
  • 2.汇川技术东莞有限公司,东莞 523800
通讯作者:
李新达(2000— ),男,通信作者,硕士研究生。研究方向:电力电源,电力系统。E-mail:。
作者简介:

李练兵(1972— ),男,中国电源学会会员,博士,教授。研究方向:电力电源,电力系统。E-mail:。

代亮亮(1999— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

陈泽宇(1999— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

宋清翔(1997— ),男,硕士研究生。研究方向:电力电源,电力系统。E-mail:。

Voltage Stability Control Strategy for Photovoltaic-storage Converters Based on NDO Power Feedforward
Lianbing LI Member, CPSS1 , Xinda LI1 , Liangliang DAI1 , Zeyu CHEN1 , Qingxiang SONG2
Affiliations
  • 1.School of Electrical Engineering, Hebei University of Technology, Tianjin 300130, China
  • 2.Huichuan Technology Dongguan Co., Ltd., Dongguan 523800, China
出版时间: 2026-05-30 doi: 10.13234/j.issn.2095-2805.2026.5.109
文章导航
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离网型光储微电网中,直流侧母线电压幅值易受光伏PV(photovoltaic)输出功率和负荷功率波动的影响,在传统控制策略下系统可能会出现直流母线电压振荡、电压恢复时间过长的现象。为提高母线电压的动态稳定性,提出一种基于非线性扰动观测器NDO(nonlinear disturbance observer)功率前馈的模糊-比例积分PI(proportional integral)控制方法。首先,建立储能放电模式下的系统状态方程,设计扰动观测环节,对PV和负荷的扰动功率进行实时观测,并将其修正后作为前馈量加入到电流内环。然后,设计基于母线电压偏差的模糊-PI控制器对电压外环结构进行改进,给出扰动观测器和控制器的设计过程。最后,仿真与实验结果验证了该策略在负荷冲击下能具备良好的直流母线电压动态稳定性。

光储微电网  /  直流母线电压  /  非线性扰动观测器  /  电压动态稳定  /  模糊-比例积分控制

In off-grid photovoltaic storage microgrids, the DC-side bus voltage amplitude is easily affected by the fluctuation of photovoltaic (PV) output power and load power, the system may experience DC bus voltage oscillation and long voltage recovery time under the traditional control strategies. In order to improve the dynamic stability of bus voltage, a fuzzy-proportional integral (PI) control method based on nonlinear disturbance observer (NDO) power feedforward is proposed. Firstly, the system state equation in storage discharge mode is established, and the disturbance observation link is designed to observe the disturbance power of the PV and load in real time and add it to the current inner loop as a feedforward quantity after correction. Then, a fuzzy-PI controller based on bus voltage deviation is designed to improve the structure of voltage outer loop, and the design process of disturbance observer and controller is given. Finally, the simulation and experimental results verify that the strategy can have good dynamic stability of DC bus voltage under load impact.

Photovoltaic-storage microgrid  /  DC bus voltage  /  nonlinear disturbance observer (NDO)  /  voltage dynamic stability  /  fuzzy-proportional integral (PI) control
李练兵中国电源学会会员, 李新达, 代亮亮, 陈泽宇, 宋清翔. 基于NDO功率前馈的光储变换器电压稳定控制策略. 电源学报, 2026 , 24 (5) : 109 -119 . DOI: 10.13234/j.issn.2095-2805.2026.5.109
Lianbing LI, Xinda LI, Liangliang DAI, Zeyu CHEN, Qingxiang SONG. Voltage Stability Control Strategy for Photovoltaic-storage Converters Based on NDO Power Feedforward[J]. Journal of Power Supply, 2026 , 24 (5) : 109 -119 . DOI: 10.13234/j.issn.2095-2805.2026.5.109
  • 河北省省级科技计划资助项目(20312102D)
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2026年第24卷第5期
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doi: 10.13234/j.issn.2095-2805.2026.5.109
  • 接收时间:2024-04-12
  • 首发时间:2026-10-29
  • 出版时间:2026-05-30
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  • 收稿日期:2024-04-12
  • 修回日期:2024-05-22
  • 录用日期:2024-05-29
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S&T Program of Hebei(20312102D)
河北省省级科技计划资助项目(20312102D)
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    1.河北工业大学电气工程学院,天津 300130
    2.汇川技术东莞有限公司,东莞 523800

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李新达(2000— ),男,通信作者,硕士研究生。研究方向:电力电源,电力系统。E-mail:。
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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