This paper proposes an active damping control method based on converter‐side current feedback to mitigate the resonance issue in multi‐inverter grid‐connected systems caused by coupling with the grid impedance. The method aims to address the reduction in grid power quality by utilizing an active damping device without modifying the hardware and software of the grid‐connected inverters. By introducing an additional small‐capacity power electronic device in parallel, the proposed method establishes two parallel admittances at the common connection point, creating specific conduction paths for system harmonics and reshaping the overall system admittance. In parallel operation of two photovoltaic grid‐connected inverters with different capacities, the access of the inherent admittance and virtual admittance of the source damper reduces the harmonic distortion rate of the grid‐connected current from 19.81% to 2.04% and from 15.86% to 0.52%, respectively. Simulation results validate the effectiveness and correctness of the proposed strategy.

Jike Zhang

Guifa Wang

Ruiming Liu

Tianchen Zhang

Jiankang Wang

Active and Passive Electronic Components

Active and Passive Electronic Components is an international journal devoted to the science and technology of all types of electronic components. The journal publishes experimental and theoretical papers on topics such as transistors, hybrid circuits, integrated circuits, MicroElectroMechanical Systems (MEMS), sensors, high frequency devices and circuits, power devices and circuits, non-volatile memory technologies such as ferroelectric and phase transition memories, and nano electronics devices and circuits.

Active and Passive Electronic Components is an international journal dedicated to the science and technology of all types of electronic components. The journal publishes both experimental and theoretical papers on topics including transistors, hybrid circuits, integrated circuits, MicroElectroMechanical Systems (MEMS), sensors, high-frequency devices and circuits, power devices and circuits, non-volatile memory technologies such as ferroelectric and phase transition memories, as well as nanoelectronics devices and circuits.

《Active and Passive Electronic Components》是一本国际期刊，专注于各种电子元件的科学与技术。期刊发表关于晶体管、混合电路、集成电路、微电机械系统（MEMS）、传感器、高频设备和电路、电力设备和电路、非易失性存储技术（如铁电和相变存储器）以及纳米电子设备和电路等主题的实验和理论论文。

Resonance Suppression of Multi‐Inverter Systems Based on Global Admittance Reshaping

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Journal Info

Category	Quartile
ENGINEERING, ELECTRICAL & ELECTRONIC	3