基于自适应陷波器的构网型直驱永磁风机SSO抑制策略研究
TM346; 电网发生次同步振荡(SSO)时,会对构网型直驱永磁风力发电机(D-PMSG)网侧变流器的控制性能造成不利影响,进而威胁到整个系统的稳定性.为了解决这一问题,提出一种基于自适应陷波器(ANF)的SSO抑制策略.首先,深入分析SSO对基于虚拟同步机的构网型D-PMSG网侧控制的影响机理,明确扰动在系统中的传播路径,并研究SSO特性变化对陷波器抑制功能的影响.随后,针对固定参数陷波器在面对SSO频率时变特性时的局限性,研究一种基于改进快速傅里叶变换的SSO参数辨识算法,以实现对SSO频率的实时追踪.在此基础上,设计一种根据参数辨识结果动态更新ANF中心频率的策略,并确定ANF在控制系统...
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| Published in | 电机与控制学报 Vol. 28; no. 12; pp. 82 - 96 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
哈尔滨理工大学电气与电子工程学院,黑龙江哈尔滨 150080%哈尔滨工业大学电气工程及自动化学院,黑龙江哈尔滨 150001
01.12.2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1007-449X |
| DOI | 10.15938/j.emc.2024.12.009 |
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| Abstract | TM346; 电网发生次同步振荡(SSO)时,会对构网型直驱永磁风力发电机(D-PMSG)网侧变流器的控制性能造成不利影响,进而威胁到整个系统的稳定性.为了解决这一问题,提出一种基于自适应陷波器(ANF)的SSO抑制策略.首先,深入分析SSO对基于虚拟同步机的构网型D-PMSG网侧控制的影响机理,明确扰动在系统中的传播路径,并研究SSO特性变化对陷波器抑制功能的影响.随后,针对固定参数陷波器在面对SSO频率时变特性时的局限性,研究一种基于改进快速傅里叶变换的SSO参数辨识算法,以实现对SSO频率的实时追踪.在此基础上,设计一种根据参数辨识结果动态更新ANF中心频率的策略,并确定ANF在控制系统中的最佳介入位置,以优化抑制效果.最后,通过搭建仿真模型及实验平台,分析验证所提控制策略对SSO的抑制效果. |
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| AbstractList | TM346; 电网发生次同步振荡(SSO)时,会对构网型直驱永磁风力发电机(D-PMSG)网侧变流器的控制性能造成不利影响,进而威胁到整个系统的稳定性.为了解决这一问题,提出一种基于自适应陷波器(ANF)的SSO抑制策略.首先,深入分析SSO对基于虚拟同步机的构网型D-PMSG网侧控制的影响机理,明确扰动在系统中的传播路径,并研究SSO特性变化对陷波器抑制功能的影响.随后,针对固定参数陷波器在面对SSO频率时变特性时的局限性,研究一种基于改进快速傅里叶变换的SSO参数辨识算法,以实现对SSO频率的实时追踪.在此基础上,设计一种根据参数辨识结果动态更新ANF中心频率的策略,并确定ANF在控制系统中的最佳介入位置,以优化抑制效果.最后,通过搭建仿真模型及实验平台,分析验证所提控制策略对SSO的抑制效果. |
| Abstract_FL | Sub-synchronous oscillation(SSO)occurring in power grid can adversely affect the control per-formance of grid-side converter for grid-forming direct-drive permanent magnet synchronous generators(D-PMSG),thus threatening the stability of entire system.An SSO suppression strategy based on an a-daptive notch filter(ANF)was proposed to address this issue.The impact mechanism of SSO on the grid-side control of D-PMSG based on virtual synchronous generators was analyzed thoroughly.Mean-while,the propagation path of disturbances within the system was clarified.Also,the influence of SSO characteristic variation on the notch filter's suppression function was studied.Subsequently,an SSO pa-rameter identification algorithm based on an improved fast Fourier transform was developed to address the limitations of fixed-parameter notch filters when dealing with the time-varying characteristics of SSO fre-quencies,enabling real-time tracking of SSO frequencies.On this basis,a strategy for dynamically upda-ting the ANF center frequency according to parameter identification results was designed,and the optimal intervention position of ANF in the control system was determined to optimize suppression effects.Final-ly,the suppression effect of the proposed control strategy on SSO was analyzed and verified through the construction of simulation models and experimental platforms. |
| Author | 孙东阳 孙力 王帅 焦英姿 孟繁易 |
| AuthorAffiliation | 哈尔滨理工大学电气与电子工程学院,黑龙江哈尔滨 150080%哈尔滨工业大学电气工程及自动化学院,黑龙江哈尔滨 150001 |
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| Author_FL | JIAO Yingzi WANG Shuai SUN Dongyang SUN Li MENG Fanyi |
| Author_FL_xml | – sequence: 1 fullname: SUN Dongyang – sequence: 2 fullname: JIAO Yingzi – sequence: 3 fullname: MENG Fanyi – sequence: 4 fullname: WANG Shuai – sequence: 5 fullname: SUN Li |
| Author_xml | – sequence: 1 fullname: 孙东阳 – sequence: 2 fullname: 焦英姿 – sequence: 3 fullname: 孟繁易 – sequence: 4 fullname: 王帅 – sequence: 5 fullname: 孙力 |
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| DocumentTitle_FL | Sub-synchronous oscillation suppression strategy research for grid-forming direct-drive permanent magnet synchronous generator based on adaptive notch filter |
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| Keywords | 虚拟同步机 sub-synchronous oscillation 直驱永磁风力发电机 次同步振荡 grid-forming inverter 构网型变流器 自适应陷波器 virtual synchro-nous generator adaptive notch filter 快速傅里叶变换 direct-drive permanent magnet synchronous generator fast Fourier transform |
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| Publisher | 哈尔滨理工大学电气与电子工程学院,黑龙江哈尔滨 150080%哈尔滨工业大学电气工程及自动化学院,黑龙江哈尔滨 150001 |
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| Snippet | TM346; 电网发生次同步振荡(SSO)时,会对构网型直驱永磁风力发电机(D-PMSG)网侧变流器的控制性能造成不利影响,进而威胁到整个系统的稳定性.为了解决这一问题,提出一种基于... |
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| Title | 基于自适应陷波器的构网型直驱永磁风机SSO抑制策略研究 |
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