Journal article Open Access

Embedding Power Line Communication in Photovoltaic Optimizer by Modulating Data in Power Control Loop

Zhu, Yue; Wu, Jiande; Wang, Ruichi; Lin, Zhengyu; He, Xiangning


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  <identifier identifierType="DOI">10.5281/zenodo.1287279</identifier>
  <creators>
    <creator>
      <creatorName>Zhu, Yue</creatorName>
      <givenName>Yue</givenName>
      <familyName>Zhu</familyName>
      <affiliation>Zhejiang University</affiliation>
    </creator>
    <creator>
      <creatorName>Wu, Jiande</creatorName>
      <givenName>Jiande</givenName>
      <familyName>Wu</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0003-2330-6048</nameIdentifier>
      <affiliation>Zhejiang University</affiliation>
    </creator>
    <creator>
      <creatorName>Wang, Ruichi</creatorName>
      <givenName>Ruichi</givenName>
      <familyName>Wang</familyName>
      <affiliation>Zhejiang University</affiliation>
    </creator>
    <creator>
      <creatorName>Lin, Zhengyu</creatorName>
      <givenName>Zhengyu</givenName>
      <familyName>Lin</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-7733-2431</nameIdentifier>
      <affiliation>Aston University</affiliation>
    </creator>
    <creator>
      <creatorName>He, Xiangning</creatorName>
      <givenName>Xiangning</givenName>
      <familyName>He</familyName>
      <affiliation>Zhejiang University</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Embedding Power Line Communication in Photovoltaic Optimizer by Modulating Data in Power Control Loop</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2018</publicationYear>
  <subjects>
    <subject>Photovoltaic (PV) system, Power line communication, DC power optimizer</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2018-05-24</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/1287279</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.1287278</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/rdc2mt</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;In Photovoltaic (PV) system, dc-dc power op-timizer (DCPO) is an option to maximize output power. At the same time, data links among DCPOs are often required for system monitoring and controlling. This paper pro-poses a novel power line communication (PLC) method for the DCPOs, in which the data of a DCPO is modulated into the control loop of power converter, and then transmitted through the series-connected dc power line to other DCPOs. In the process of communication, differential phase shift keying (DPSK) modulation and discrete Fourier transformation (DFT) demodulation are employed. To ana-lyze the quality of communication, the communication model of the system is built, based on small-signal model. Furthermore, the noises of the system, including switch-ing, maximum power point tracking (MPPT) and additive white Gaussian noise (AWGN), are discussed and meas-ured to evaluate the signal-to-noise ratio (SNR). At last, an experimental system including 6 DCPOs is established and tested, which verifies the feasibility and effectiveness of the proposed method.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/734796/">734796</awardNumber>
      <awardTitle>Research, Demonstration, and Commercialisation of DC Microgrid Technologies</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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