An Effective Solution for Regeneration Protection in Uninterruptible Power Supply

Jinghang Lu*, Josep M. Guerrero, Mehdi Savaghebi, Amer M.Y.M. Ghias, Yajuan Guan, Xiaochao Hou, Juan C. Vasquez

*Kontaktforfatter

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Resumé

In this paper, a regeneration protection solution is proposed to address the dc-link overvoltage issue and the unequal power sharing in the parallel uninterruptible power supply (UPS) systems. First, a dc-link voltage protection control strategy is proposed to protect the inverter against the excessive dc-link voltage that may trigger the protection mechanism of the UPS system. In addition, an active power-sharing control strategy by regulating the virtual resistance is proposed to solve the circulating current caused by UPS regeneration issue. Finally, the feasibility of the proposed regeneration protection solution is verified by experimental results from the parallel UPS system prototype.
OriginalsprogEngelsk
Artikelnummer8645693
TidsskriftIEEE Transactions on Industry Applications
Vol/bind55
Udgave nummer3
Sider (fra-til)3055-3065
Antal sider11
ISSN0093-9994
DOI
StatusUdgivet - maj 2019

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Uninterruptible power systems
Electric power systems
Electric potential

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title = "An Effective Solution for Regeneration Protection in Uninterruptible Power Supply",
abstract = "In this paper, a regeneration protection solution is proposed to address the dc-link overvoltage issue and the unequal power sharing in the parallel uninterruptible power supply (UPS) systems. First, a dc-link voltage protection control strategy is proposed to protect the inverter against the excessive dc-link voltage that may trigger the protection mechanism of the UPS system. In addition, an active power-sharing control strategy by regulating the virtual resistance is proposed to solve the circulating current caused by UPS regeneration issue. Finally, the feasibility of the proposed regeneration protection solution is verified by experimental results from the parallel UPS system prototype.",
keywords = "Active power sharing, DC-link voltage protection (dcVP), Uninterruptible power supply (UPS), Virtual resistance",
author = "Jinghang Lu and Guerrero, {Josep M.} and Mehdi Savaghebi and Ghias, {Amer M.Y.M.} and Yajuan Guan and Xiaochao Hou and Vasquez, {Juan C.}",
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An Effective Solution for Regeneration Protection in Uninterruptible Power Supply. / Lu, Jinghang; Guerrero, Josep M.; Savaghebi, Mehdi; Ghias, Amer M.Y.M.; Guan, Yajuan; Hou, Xiaochao; Vasquez, Juan C.

I: IEEE Transactions on Industry Applications, Bind 55, Nr. 3, 8645693, 05.2019, s. 3055-3065.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - An Effective Solution for Regeneration Protection in Uninterruptible Power Supply

AU - Lu, Jinghang

AU - Guerrero, Josep M.

AU - Savaghebi, Mehdi

AU - Ghias, Amer M.Y.M.

AU - Guan, Yajuan

AU - Hou, Xiaochao

AU - Vasquez, Juan C.

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AB - In this paper, a regeneration protection solution is proposed to address the dc-link overvoltage issue and the unequal power sharing in the parallel uninterruptible power supply (UPS) systems. First, a dc-link voltage protection control strategy is proposed to protect the inverter against the excessive dc-link voltage that may trigger the protection mechanism of the UPS system. In addition, an active power-sharing control strategy by regulating the virtual resistance is proposed to solve the circulating current caused by UPS regeneration issue. Finally, the feasibility of the proposed regeneration protection solution is verified by experimental results from the parallel UPS system prototype.

KW - Active power sharing

KW - DC-link voltage protection (dcVP)

KW - Uninterruptible power supply (UPS)

KW - Virtual resistance

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DO - 10.1109/TIA.2019.2900601

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