Frequency Domain Stability Assessment of Photovoltaic Power Generation Systems with Quasi-Z-Source Inverters
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Título
Frequency Domain Stability Assessment of Photovoltaic Power Generation Systems with Quasi-Z-Source InvertersFecha de publicación
2021-09-01Editor
European Association for the Development of Renewable Energies, Environment and Power Quality (EA4EPQ)ISSN
2172-038XCita bibliográfica
Sainz, L.; Monjo, L. Frequency domain stability assessment of photovoltaic power generation systems with quasi-z-source inverters. "Renewable energy and power quality journal", 1 Setembre 2021, vol. 19, p. 160-165Tipo de documento
info:eu-repo/semantics/conferenceObjectVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Photovoltaic power generation systems are one of
the main renewable power sources, and quasi-Z-source inverters
are becoming powerful devices to integrate these systems in AC
grids. However, stability issues due ... [+]
Photovoltaic power generation systems are one of
the main renewable power sources, and quasi-Z-source inverters
are becoming powerful devices to integrate these systems in AC
grids. However, stability issues due to the damping behaviour of
converters must be considered. There are several studies in this
direction but instability concerns are not completely solved yet.
This paper contributes with a procedure for the stability
assessment of photovoltaic power generation systems with quasiZ-source inverters in the frequency domain. The study is based
on the small-signal averaged model of the system expressed in
the s-domain and the stability criterion derived from the
frequency characteristics of the state-space matrix. The influence
of the photovoltaic power generation system operating point on
stability is studied by the proposed procedure. Eigenvalue
analysis and PSCAD/EMTDC simulations are also performed to
validate the obtained results. [-]
Descripción
19th International Conference on Renewable Energies and Power Quality (ICREPQ’21)
Almeria (Spain), 28th to 30th July 2021
Publicado en
RE&PQJ, Volume No.19, September 2021Entidad financiadora
Ministerio de Ciencia, Innovación y Universidades
Código del proyecto o subvención
RTI2018-095720-B-C33
Derechos de acceso
info:eu-repo/semantics/openAccess