基于降阶线性扩张状态观测器的风电并网逆变器线性自抗扰控制
TM464; 针对风电并网逆变器直流母线电压易受电网电压波动和负载扰动影响的问题,提出了一种电压外环改进型线性自抗扰控制(LADRC).建立了风电并网逆变器在d-q旋转坐标系下的数学模型,在此基础上,设计了基于降阶线性扩张状态观测器的线性自抗扰控制,减小了观测器的相位滞后,提高了系统的扰动观测精度;在观测器总扰动通道上增加了一个超前滞后的校正环节以减弱观测器的噪声放大效应;文章对改进型LADRC控制策略进行了频域特性分析.仿真结果表明,相比于传统LADRC控制策略,所提的控制策略对并网逆变器直流母线电压具有更好的控制效果....
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| Published in | 电测与仪表 Vol. 60; no. 8; pp. 157 - 163 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
天津理工大学电气电子工程学院,天津300384
15.08.2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1390 |
| DOI | 10.19753/j.issn1001-1390.2023.08.026 |
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| Abstract | TM464; 针对风电并网逆变器直流母线电压易受电网电压波动和负载扰动影响的问题,提出了一种电压外环改进型线性自抗扰控制(LADRC).建立了风电并网逆变器在d-q旋转坐标系下的数学模型,在此基础上,设计了基于降阶线性扩张状态观测器的线性自抗扰控制,减小了观测器的相位滞后,提高了系统的扰动观测精度;在观测器总扰动通道上增加了一个超前滞后的校正环节以减弱观测器的噪声放大效应;文章对改进型LADRC控制策略进行了频域特性分析.仿真结果表明,相比于传统LADRC控制策略,所提的控制策略对并网逆变器直流母线电压具有更好的控制效果. |
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| AbstractList | TM464; 针对风电并网逆变器直流母线电压易受电网电压波动和负载扰动影响的问题,提出了一种电压外环改进型线性自抗扰控制(LADRC).建立了风电并网逆变器在d-q旋转坐标系下的数学模型,在此基础上,设计了基于降阶线性扩张状态观测器的线性自抗扰控制,减小了观测器的相位滞后,提高了系统的扰动观测精度;在观测器总扰动通道上增加了一个超前滞后的校正环节以减弱观测器的噪声放大效应;文章对改进型LADRC控制策略进行了频域特性分析.仿真结果表明,相比于传统LADRC控制策略,所提的控制策略对并网逆变器直流母线电压具有更好的控制效果. |
| Author | 马幼捷 周泳良 周雪松 |
| AuthorAffiliation | 天津理工大学电气电子工程学院,天津300384 |
| AuthorAffiliation_xml | – name: 天津理工大学电气电子工程学院,天津300384 |
| Author_FL | Zhou Xuesong Zhou Yongliang Ma Youjie |
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| Author_xml | – sequence: 1 fullname: 周雪松 – sequence: 2 fullname: 周泳良 – sequence: 3 fullname: 马幼捷 |
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| DocumentTitle_FL | Linear active disturbance rejection control of wind power grid-connected inverter based on reduced order linear extended state observer |
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| Keywords | 降阶线性扩张状态观测器 校正环节 reduced order linear extended state observer frequency domain characteristics correction link 线性自抗扰控制 wind power grid-connected inverter 频域特性 风电并网逆变器 linear active disturbance rejection control |
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| Snippet | TM464; 针对风电并网逆变器直流母线电压易受电网电压波动和负载扰动影响的问题,提出了一种电压外环改进型线性自抗扰控制(LADRC).建立了风电并网逆变器在d-q旋转坐标系下的... |
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| Title | 基于降阶线性扩张状态观测器的风电并网逆变器线性自抗扰控制 |
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