An Improved Active Damping Method for Enhancing Robustness of LCL-Type, Grid-Tied Inverters under Weak Grid Conditions

An Improved Active Damping Method for Enhancing Robustness of LCL-Type, Grid-Tied Inverters under Weak Grid Conditions

The conventional proportional-gain-feedback link can only obtain the smallest effective damping region (EDR) due to the control delay among all the active damping methods regarding the capacitor current feedback. The digitally controlled system tends to be unstable when the system resonant frequency...

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Bibliographic Details
Main Authors: Shanwen Ke, Yuren Li
Format: Article
Language:English
Published: MDPI AG 2023-09-01
Series:Sensors
Subjects:
LCL filter
ideal differentiator
digital low-pass filter
digital control
active damping
Online Access:https://www.mdpi.com/1424-8220/23/19/8203

Internet

https://www.mdpi.com/1424-8220/23/19/8203

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