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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/64785

    Título
    Methodology for Flicker Estimation and Its Correlation to Environmental Factors in Photovoltaic Generation
    Autor
    Elvira Ortiz, David Alejandro
    Moríñigo Sotelo, DanielAutoridad UVA Orcid
    Duque Pérez, ÓscarAutoridad UVA Orcid
    Jaen Cuellar, Arturo Yosimar
    Osornio Ríos, Roque Alfredo
    Romero Troncoso, René de Jesús
    Año del Documento
    2018-04-23
    Editorial
    The IEEE
    Documento Fuente
    IEEE Access, vol. 6, pp. 24035-24047, 2018, doi: 10.1109/ACCESS.2018.2829148.
    Resumen
    Flicker is a very common power quality disturbance due to the inclusion of photovoltaic (PV) generation on the electric grid. This paper presents a methodology for flicker estimation in a PV generation that fuses multiple signal classification and discrete wavelet transform to provide high-resolution frequency estimation with an accurate amplitude measurement. This tool considers that flicker is not stationary over time and that more than one frequency component can exist on a voltage signal. In Addition, this paper finds that sun irradiance, temperature, and the action of the solar inverter are the sources of flicker in PV generation. The methodology is applied to real signals from three days with different weather conditions. In Addition, two different solar inverters are evaluated to see their influence on the parameters of flicker. Results show that flicker can contain more than one frequency component that can change over time. Finally, this paper shows that around 70% to 80% of flicker is linked to irradiance and cell temperature whereas the 20% to 30% can be attributed to the operation of solar inverters.
    Palabras Clave
    Discrete wavelet transforms
    flickr
    multiple signal classification
    photovoltaic systems
    power quality
    ISSN
    2169-3536
    Revisión por pares
    SI
    DOI
    10.1109/ACCESS.2018.2829148
    Patrocinador
    10.13039/501100003141-CONACYT Scholarship (Grant Number: 415315)
    FOMIX (Grant Number: QUERETARO-2014-C03-250269)
    CEI-Triangular, Universidades de Burgos, León y Valladolid
    Version del Editor
    https://ieeexplore.ieee.org/document/8344755
    Propietario de los Derechos
    Los autores
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/64785
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP45 - Artículos de revista [38]
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    ieee-access-2018-version-autor.pdf
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    4.569Mb
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    Universidad de Valladolid

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