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Title: Decentralized reactive power sharing among parallel inverters through inherent dead-time effect
Authors: Qi, Yang
Tang, Yi
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2019
Source: Qi, Y., & Tang, Y. (2019). Decentralized reactive power sharing among parallel inverters through inherent dead-time effect. 2019 IEEE ECCE. doi:10.1109/ECCE.2019.8913061
Abstract: Load power sharing is an important aspect of the parallel-connected voltage source inverters (VSIs). It is widely accepted that the active power sharing accuracy is ensured by the conventional frequency droop control, whereas the reactive power sharing is poor because of mismatched grid impedances. To overcome this challenge, a novel control scheme is proposed in this paper, which utilizes the inherent dead-time effect to improve the reactive power sharing. As compared with most of the existing power-sharing approaches, the proposed control scheme can eliminate the reactive power sharing error in a completely decentralized manner. Moreover, the VSI output current quality can also be improved at the same time. Simulation and experimental results from a typical microgrid prototype are provided for verification.
DOI: 10.1109/ECCE.2019.8913061
Rights: © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Conference Papers

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