Control of a single-phase cascaded H-bridge multilevel inverter for grid-connected photovoltaic systems

Elena Villanueva, Pablo Correa, José Rodriguez, Mario Pacas

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

580 Citas (Scopus)

Resumen

This paper presents a single-phase cascaded H-bridge converter for a grid-connected photovoltaic (PV) application. The multilevel topology consists of several H-bridge cells connected in series, each one connected to a string of PV modules. The adopted control scheme permits the independent control of each dc-link voltage, enabling, in this way, the tracking of the maximum power point for each string of PV panels. Additionally, low-ripple sinusoidal-current waveforms are generated with almost unity power factor. The topology offers other advantages such as the operation at lower switching frequency or lower current ripple compared to standard two-level topologies. Simulation and experimental results are presented for different operating conditions.

Idioma originalInglés
Páginas (desde-hasta)4399-4406
Número de páginas8
PublicaciónIEEE Transactions on Industrial Electronics
Volumen56
N.º11
DOI
EstadoPublicada - 2009

Áreas temáticas de ASJC Scopus

  • Ingeniería de control y sistemas
  • Ingeniería eléctrica y electrónica

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