An Enhanced Control Scheme for Uninterruptible Power Supply

Jinghang Lu, Mehdi Savaghebi, Baoze Wei, Josep M. Guerrero

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Abstrakt

To address the active power feeding issue in the parallel Uninterruptible Power Supply (UPS) system, a DC-link Voltage Protection (DCVP) control strategy is proposed in this paper. The proposed control method only relies on local load information, which increases the system reliability and robustness. Moreover, virtual resistance based regulation strategies are proposed for solving the active power sharing imbalance caused by the active power feeding and harmonic power sharing imbalanced caused by the line resistance mismatching. In addition, an anti-windup based consensus distributed controller is proposed to solve the overshoot issue during the transient time in voltage and frequency restoration. With the proposed anti-windup controller, large overshoot issue is alleviated. Finally, the feasibility of the proposed methods is verified by experimental results from the parallel UPS prototypes.
OriginalsprogEngelsk
TitelProceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE)
Antal sider8
ForlagIEEE Press
Publikationsdatookt. 2017
ISBN (Elektronisk)978-1-5090-2998-3
DOI
StatusUdgivet - okt. 2017
Begivenhed2017 IEEE Energy Conversion Congress and Exposition (ECCE) - Cincinnati, Ohio, USA
Varighed: 1 okt. 20175 okt. 2017

Konference

Konference2017 IEEE Energy Conversion Congress and Exposition (ECCE)
LandUSA
ByCincinnati, Ohio
Periode01/10/201705/10/2017
NavnIEEE Energy Conversion Congress and Exposition
ISSN2329-3721

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Citationsformater

Lu, J., Savaghebi, M., Wei, B., & Guerrero, J. M. (2017). An Enhanced Control Scheme for Uninterruptible Power Supply. I Proceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE) IEEE Press. IEEE Energy Conversion Congress and Exposition https://doi.org/10.1109/ECCE.2017.8096408