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Semicentralized Power Sharing Scheme for Islanded Parallel-Connected Inverters.

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Title: Semicentralized Power Sharing Scheme for Islanded Parallel-Connected Inverters.
Authors: Azrik Roslan, Mohd1 (AUTHOR), Ahmed, Khaled1 (AUTHOR), Adam, Grain1 (AUTHOR), Elkhateb, Ahmad2 (AUTHOR), Issa, Walid3 (AUTHOR), Williams, Barry1 (AUTHOR)
Source: International Transactions on Electrical Energy Systems. 3/7/2022, p1-21. 21p.
Subject Terms: *Microgrids, *Reactive power, *Knowledge transfer, *Sharing, *Electric inverters, *Point set theory
Abstract: This paper presents a new control scheme that permits flexible power sharing between parallel inverters connected to microgrid operating in an island mode. The presented scheme processes the information of active and reactive output powers from all inverters in a central controller that calculates the set points for each inverter, based on the desired ratios of their output powers. These necessitate adjustment of the inverters' terminal voltages (phase and magnitude) relative to the voltage at the common AC bus. The proposed power-sharing scheme uses a robust low bandwidth-based sharing communication to achieve precision and fast dynamic response, minimum circulating current between parallel inverters, and adapting to changes in line impedance, even under information transfer delays. The presented power-sharing scheme has been validated using MATLAB/Simulink simulation and experimental results obtained from a prototype of three three-phase parallel inverters connected to a number of loads. The results emphasize the superiority of the proposed topology performance under different loads (25% to 100%), line impedances, grid conditions, and communication delay. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 155604744
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PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Semicentralized Power Sharing Scheme for Islanded Parallel-Connected Inverters.
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  Data: <searchLink fieldCode="AR" term="%22Azrik+Roslan%2C+Mohd%22">Azrik Roslan, Mohd</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ahmed%2C+Khaled%22">Ahmed, Khaled</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Adam%2C+Grain%22">Adam, Grain</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Elkhateb%2C+Ahmad%22">Elkhateb, Ahmad</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Issa%2C+Walid%22">Issa, Walid</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Williams%2C+Barry%22">Williams, Barry</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Transactions+on+Electrical+Energy+Systems%22">International Transactions on Electrical Energy Systems</searchLink>. 3/7/2022, p1-21. 21p.
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  Data: *<searchLink fieldCode="DE" term="%22Microgrids%22">Microgrids</searchLink><br />*<searchLink fieldCode="DE" term="%22Reactive+power%22">Reactive power</searchLink><br />*<searchLink fieldCode="DE" term="%22Knowledge+transfer%22">Knowledge transfer</searchLink><br />*<searchLink fieldCode="DE" term="%22Sharing%22">Sharing</searchLink><br />*<searchLink fieldCode="DE" term="%22Electric+inverters%22">Electric inverters</searchLink><br />*<searchLink fieldCode="DE" term="%22Point+set+theory%22">Point set theory</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper presents a new control scheme that permits flexible power sharing between parallel inverters connected to microgrid operating in an island mode. The presented scheme processes the information of active and reactive output powers from all inverters in a central controller that calculates the set points for each inverter, based on the desired ratios of their output powers. These necessitate adjustment of the inverters' terminal voltages (phase and magnitude) relative to the voltage at the common AC bus. The proposed power-sharing scheme uses a robust low bandwidth-based sharing communication to achieve precision and fast dynamic response, minimum circulating current between parallel inverters, and adapting to changes in line impedance, even under information transfer delays. The presented power-sharing scheme has been validated using MATLAB/Simulink simulation and experimental results obtained from a prototype of three three-phase parallel inverters connected to a number of loads. The results emphasize the superiority of the proposed topology performance under different loads (25% to 100%), line impedances, grid conditions, and communication delay. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=155604744
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1155/2022/8319408
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 21
        StartPage: 1
    Subjects:
      – SubjectFull: Microgrids
        Type: general
      – SubjectFull: Reactive power
        Type: general
      – SubjectFull: Knowledge transfer
        Type: general
      – SubjectFull: Sharing
        Type: general
      – SubjectFull: Electric inverters
        Type: general
      – SubjectFull: Point set theory
        Type: general
    Titles:
      – TitleFull: Semicentralized Power Sharing Scheme for Islanded Parallel-Connected Inverters.
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            NameFull: Azrik Roslan, Mohd
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            NameFull: Ahmed, Khaled
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            NameFull: Adam, Grain
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            NameFull: Elkhateb, Ahmad
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            NameFull: Issa, Walid
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            NameFull: Williams, Barry
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          Dates:
            – D: 07
              M: 03
              Text: 3/7/2022
              Type: published
              Y: 2022
          Identifiers:
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              Value: 20507038
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            – TitleFull: International Transactions on Electrical Energy Systems
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