上海交通大学学报 ›› 2025, Vol. 59 ›› Issue (5): 605-616.doi: 10.16183/j.cnki.jsjtu.2023.492
全少理1, 于昊正1, 马杰1, 王炜宇2(), 郭勇1, 陈春2
收稿日期:
2023-09-25
修回日期:
2023-11-12
接受日期:
2023-11-17
出版日期:
2025-05-28
发布日期:
2025-06-05
通讯作者:
王炜宇,讲师;E-mail:WYWang@csust.edu.cn.
作者简介:
全少理(1981—),高级工程师,从事配电网规划技术研究.
基金资助:
QUAN Shaoli1, YU Haozheng1, MA Jie1, WANG Weiyu2(), GUO Yong1, CHEN Chun2
Received:
2023-09-25
Revised:
2023-11-12
Accepted:
2023-11-17
Online:
2025-05-28
Published:
2025-06-05
摘要:
电力电子设备的强非线性、模型误差以及外部系统扰动给配电网的电压稳定控制带来巨大挑战.多逆变器分布式协同抗扰控制是提升配电网电压稳定性的一种新思路.首先,将复杂的逆变器高维模型转换为输入-输出等效模型,利用高增益扩展状态观测器对系统中多种扰动影响进行估计;同时,根据一致性协同控制理论设计多逆变器的分布式协同控制策略,结合扰动估计结果,实现逆变器网络的电压协同控制和主动扰动抑制.为确保协同控制的动态性能,从图论和网络控制的角度提出通信拓扑优选方法.在PowerFactory软件中搭建由4个逆变器构成的配电网测试系统,仿真结果表明:所提控制策略和通信拓扑优选方法能够实现多逆变器的电压协同跟踪调控以及扰动抑制.
中图分类号:
全少理, 于昊正, 马杰, 王炜宇, 郭勇, 陈春. 交/直流混合配网多逆变器分布式协同抗扰控制[J]. 上海交通大学学报, 2025, 59(5): 605-616.
QUAN Shaoli, YU Haozheng, MA Jie, WANG Weiyu, GUO Yong, CHEN Chun. Distributed Cooperative Disturbance-Rejection Control of Hybrid Alternating Current/Direct Current Distribution Grids with Multiple Inverters[J]. Journal of Shanghai Jiao Tong University, 2025, 59(5): 605-616.
表2
测试系统参数
参数种类 | 参数 | 数值 | 参数 | 数值 |
---|---|---|---|---|
逆变器参数 | 额定容量/(MV·A) | 1 | 交流额定电压/kV | 10 |
直流额定电压/kV | 30 | Rdc/Ω | 2 | |
Ldc/mH | 0.1273 | Cdc/μF | 750 | |
Rf/Ω | 0.1 | Lf/mH | 1 | |
Cf/μF | 50 | Rg/Ω | 0.1 | |
Lg/mH | 0.5 | 0.01 | ||
0.01 | ωc/(rad·s-1) | 10 | ||
1 | 20 | |||
1 | 1000 | |||
线路参数 | 线路电阻/(Ω·km-1) | 0.5 | 线路电感/(mH·km-1) | 100 |
负荷参数 | Pload1/kW | 200 | Qload1/kvar | 100 |
Pload2/kW | 300 | Qload2/kvar | 200 | |
Pload3/kW | 150 | Qload3/kvar | 100 |
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