三电平UPQC的线性自抗扰模型预测控制策略
TM761; 由于统一电能质量调节器(unified power quality conditioner,UPQC)系统结构复杂、控制难度大,单一的控制策略不足以使其应对电网系统中的各种故障情况.因此,文中采用一种线性自抗扰控制(linear active disturbance rejection control,LADRC)与模型预测控制(model predictive control,MPC)的复合控制策略.在电压外环控制中采用LADRC策略以提高系统快速性与抗扰性,并给电流内环提供更精确的参考电流信号;在电流内环控制中采用电流MPC策略以提高跟踪参考信号的能力与系统的鲁棒性,同时对模...
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| Published in | 电力工程技术 Vol. 44; no. 1; pp. 218 - 226 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
南京工程学院电力工程学院、沈国荣学院,江苏 南京 211167%中国电力科学研究院有限公司,江苏 南京 210003
2025
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| Subjects | |
| Online Access | Get full text |
| ISSN | 2096-3203 |
| DOI | 10.12158/j.2096-3203.2025.01.022 |
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| Abstract | TM761; 由于统一电能质量调节器(unified power quality conditioner,UPQC)系统结构复杂、控制难度大,单一的控制策略不足以使其应对电网系统中的各种故障情况.因此,文中采用一种线性自抗扰控制(linear active disturbance rejection control,LADRC)与模型预测控制(model predictive control,MPC)的复合控制策略.在电压外环控制中采用LADRC策略以提高系统快速性与抗扰性,并给电流内环提供更精确的参考电流信号;在电流内环控制中采用电流MPC策略以提高跟踪参考信号的能力与系统的鲁棒性,同时对模型预测的空间电压矢量的分区进行优化,减少控制器计算量,在保证输出电流质量的前提下提高运算速度.最后,基于MATLAB/Simulink仿真实验平台对系统进行建模仿真,结果验证了采用LADRC-MPC控制策略对电网电压暂升/暂降、负载不对称引起的电流畸变与谐波污染等综合电能质量问题,可以起到更好的补偿效果,对电网电压的支撑能力也更强. |
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| AbstractList | TM761; 由于统一电能质量调节器(unified power quality conditioner,UPQC)系统结构复杂、控制难度大,单一的控制策略不足以使其应对电网系统中的各种故障情况.因此,文中采用一种线性自抗扰控制(linear active disturbance rejection control,LADRC)与模型预测控制(model predictive control,MPC)的复合控制策略.在电压外环控制中采用LADRC策略以提高系统快速性与抗扰性,并给电流内环提供更精确的参考电流信号;在电流内环控制中采用电流MPC策略以提高跟踪参考信号的能力与系统的鲁棒性,同时对模型预测的空间电压矢量的分区进行优化,减少控制器计算量,在保证输出电流质量的前提下提高运算速度.最后,基于MATLAB/Simulink仿真实验平台对系统进行建模仿真,结果验证了采用LADRC-MPC控制策略对电网电压暂升/暂降、负载不对称引起的电流畸变与谐波污染等综合电能质量问题,可以起到更好的补偿效果,对电网电压的支撑能力也更强. |
| Abstract_FL | Given the complexity of the unified power quality conditioner(UPQC)system and the difficulty in its control,a single control strategy is no longer sufficient to address various faults in the power grid system.Consequently,a hybrid control strategy combining linear active disturbance rejection control(LADRC)and model predictive control(MPC)is employed in this paper.The LADRC strategy is used in the voltage outer loop control to enhance the system's rapid response and disturbance rejection capabilities,providing a accurate reference current signal for the current inner loop.In the current inner loop,the current MPC strategy further improves tracking performance and system robustness.The partitioning of the space voltage vector in model prediction is optimized to reduce the controller's computational load,thereby improving computation speed while ensuring the quality of the output current.Finally,the system is modeled and simulated on the MATLAB/Simulink simulation platform.The results validate that the LADRC-MPC control strategy effectively compensates for comprehensive power quality issues such as grid voltage sags/surges,current distortion,and harmonic pollution caused by load imbalance.It also enhances the voltage support capability of the grid. |
| Author | 蔡修闻 张铭洲 李桂璞 陶以彬 赵涛 |
| AuthorAffiliation | 南京工程学院电力工程学院、沈国荣学院,江苏 南京 211167%中国电力科学研究院有限公司,江苏 南京 210003 |
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| Author_FL | ZHAO Tao TAO Yibin CAI Xiuwen ZHANG Mingzhou LI Guipu |
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| DocumentTitle_FL | LADRC-MPC strategy for three-level UPQC |
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| Keywords | 模型预测控制(MPC) harmonic compensation T-type three-level inverter linear active disturbance rejection control(LADRC) 线性自抗扰控制(LADRC) T型三电平逆变器 sector optimization model predictive control(MPC) 谐波补偿 united power quality conditioner(UPQC) 统一电能质量调节器(UPQC) 扇区优化 |
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| Publisher | 南京工程学院电力工程学院、沈国荣学院,江苏 南京 211167%中国电力科学研究院有限公司,江苏 南京 210003 |
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| Snippet | TM761; 由于统一电能质量调节器(unified power quality conditioner,UPQC)系统结构复杂、控制难度大,单一的控制策略不足以使其应对电网系统中的各种故障情况.因此,文中采用一种线性自抗扰控制(linear active disturbance rejection... |
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| Title | 三电平UPQC的线性自抗扰模型预测控制策略 |
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