上海交通大学学报 ›› 2023, Vol. 57 ›› Issue (9): 1105-1113.doi: 10.16183/j.cnki.jsjtu.2022.120
所属专题: 《上海交通大学学报》2023年“新型电力系统与综合能源”专题
• 新型电力系统与综合能源 • 下一篇
收稿日期:
2022-04-24
修回日期:
2022-09-23
接受日期:
2022-12-13
出版日期:
2023-09-28
发布日期:
2023-09-27
通讯作者:
张建文
E-mail:icebergzjw@sjtu.edu.cn
作者简介:
王晗(1982-),博士,助理研究员,从事新能源电力变换控制技术研究.
基金资助:
WANG Han, ZHANG Jianwen(), SHI Gang, ZHU Miao, CAI Xu
Received:
2022-04-24
Revised:
2022-09-23
Accepted:
2022-12-13
Online:
2023-09-28
Published:
2023-09-27
Contact:
ZHANG Jianwen
E-mail:icebergzjw@sjtu.edu.cn
摘要:
基于能量函数的无源性控制(PBC)被广泛研究并用于并网变换器以获得更好的控制性能.然而,传统的PBC方法依赖并网变换器的精确数学模型,且已有研究较少考虑数字控制的延迟效应以及电容性电网或复杂弱电网下电网阻抗的不确定性对系统稳定控制的影响.鉴于此,针对三相LCL并网逆变器提出一种改进PBC方法以实现导纳重塑,通过增加电容电流前馈将系统无源区域扩展到奈奎斯特频率,在电网阻抗宽范围变化下实现LCL谐振频率的有源阻尼控制,并提出改进PBC控制参数设计方法.在3 kW并网逆变器样机平台上开展仿真和实验研究,验证了理论分析的正确性.
中图分类号:
王晗, 张建文, 施刚, 朱淼, 蔡旭. 基于改进无源性控制的三相LCL并网逆变器输出导纳重塑方法[J]. 上海交通大学学报, 2023, 57(9): 1105-1113.
WANG Han, ZHANG Jianwen, SHI Gang, ZHU Miao, CAI Xu. An Admittance Reshaping Strategy of Three-Phase LCL Grid-Connected Inverter Based on Modified Passive Control[J]. Journal of Shanghai Jiao Tong University, 2023, 57(9): 1105-1113.
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