Publicado:
2018-09-16Número:
Vol. 1 Núm. 1 (2018): Edición especialSección:
Visión InvestigadoraAnálisis de un inversor sin transformador en micro redes eléctricas
Analysis of an inverter without transformer in electrical microgrids
Palabras clave:
Transformer less inverter, Microgrid, Half Bridge topology (en).Palabras clave:
Inversor sin transformador, Microred, Topología de medio puente (es).Descargas
Resumen (es)
La eficiencia energética es un factor clave a la hora de trabajar con fuentes no convencionales de energía, es por eso que los sistemas fotovoltaicos interconectados a red utilizan inversores sin transformador con el fin de obtener eficiencias cercanas al 98%. Dicha idea puede ser adaptada a las micro redes eléctricas, con el fin de aumentar la eficiencia de esta. En este artículo se presenta la topología medio puente sin transformador operando en una micro red eléctrica. Se analiza el principio de funcionamiento de la topología y se simula, con el software PSIM, el flujo de potencia bidireccional cuando el sistema se encuentra conectado a red, así como la entrega de energía a una carga en modo isla. Finalmente, se presentan las conclusiones.
Resumen (en)
Energy efficiency is a key factor when working with non-conventional energy sources, for this reason, interconnected grid photovoltaic systems use transformer less inverters to obtain efficiencies close to 98%. This idea can be adapted to microgrids, in order to increase its efficiency. In this paper is presented the transformer less half bridge topology working in an electric microgrid. The operation of the topology and the bidirectional power flow are simulated in the PSIM software with the system connected to the grid. Additionally, the operation of the converter in island mode also is simulated. Finally, the conclusions are presented.
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