An evaluation of selected solid-state transformer topologies for electric distribution systems. Montoya, R., J.; Mallela, A.; and Balda, J., C. Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, 2015-May(May):1022-1029, 2015.
An evaluation of selected solid-state transformer topologies for electric distribution systems [pdf]Paper  abstract   bibtex   
— Multiple topologies of solid-state transformers (SST) were proposed for locomotive traction systems, and more recently, for electric power distribution systems because of advantages such as reduced volume and weight, and functionalities not always possible with traditional fundamental-frequency transformers. The main goal of this paper is to evaluate selected SST topologies based on dual-active bridge (DAB) converters as well as a new SST topology based on boost converters in order to establish their suitability for emerging applications in electric power distribution systems. The evaluation is based on the number of power semiconductor devices, requirements imposed upon the high-frequency (HF) transformers, system losses, and a simplified cost comparison. The new boost-based SST topology has the highest system efficiency among the evaluated topologies, but requires twice the number of power semiconductor devices when using the same high-voltage device in all topologies.
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 title = {An evaluation of selected solid-state transformer topologies for electric distribution systems},
 type = {article},
 year = {2015},
 identifiers = {[object Object]},
 keywords = {Boost converter,dual-active bridge,high-frequency transformer design,solid-state transformer,system losses},
 pages = {1022-1029},
 volume = {2015-May},
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 notes = {BALDA <br/>Propone una topología con medios puentes (reducción de llaves), pero limitadas funcionalidades y aplicación específica <br/><br/>Es interresante el análisis que propone. Evalúa 4 topologías en función de la cantidad de dispositivos por módulo, los requerimientos impuestos al trafo, las pérdidas del sistema y una comparación básica de costos.<br/><br/>Tres de las topologías están basadas en el DAB, en sus distintas versiones. La iv topología que usa está basada en el conversor boost.<br/><br/>Buenos lineamientos para el diseño del trafo. <br/><br/>Concluye que la topología basada en el conversor Boost es la de mayor eficiencia, pero requiere el doble de llaves y esto causa que sea la de mayor costo.},
 private_publication = {false},
 abstract = {— Multiple topologies of solid-state transformers (SST) were proposed for locomotive traction systems, and more recently, for electric power distribution systems because of advantages such as reduced volume and weight, and functionalities not always possible with traditional fundamental-frequency transformers. The main goal of this paper is to evaluate selected SST topologies based on dual-active bridge (DAB) converters as well as a new SST topology based on boost converters in order to establish their suitability for emerging applications in electric power distribution systems. The evaluation is based on the number of power semiconductor devices, requirements imposed upon the high-frequency (HF) transformers, system losses, and a simplified cost comparison. The new boost-based SST topology has the highest system efficiency among the evaluated topologies, but requires twice the number of power semiconductor devices when using the same high-voltage device in all topologies.},
 bibtype = {article},
 author = {Montoya, Roderick J.Garcia and Mallela, Adithya and Balda, Juan Carlos},
 journal = {Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC},
 number = {May}
}
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