A Decoupled Control Strategy for a Shunt-Series Modular Multilevel Converter in Wind Energy Conversion System Applications

 

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Autori: Pizarro, Patricio, Díaz Díaz, Matías, Rojas Lobos, Félix Eduardo, Espinoza Bolaños, Mauricio, Tarisciotti, Luca, Gomis Bellmunt, Oriol
Natura: comunicación de congreso
Data di pubblicazione:2021
Descrizione:In recent years, the rated power of Wind Energy Conversion Systems (WECS) has been growing significantly, to this date, reaching power ratings above 10 MW per wind turbine. Consequently, Modular Multilevel Converters appear as a proper solution to replace conventional power converter in the power conversion stage of multi-megawatts WECS. This paper abords the application of a Shunt-Series Modular Multilevel Converters that interface a single WECS with a medium-voltage AC grid. It is proposed and studied a new control strategy that enables the decoupled operation at both ports of the converter as well as enables to track the maximum power point at the generator side. Simulation results are presented to validate both the proposed topology in WECS application and the control strategy applied.
Stato:Kérwá
Istituzione:Universidad de Costa Rica
Repositorio:Kérwá
Lingua:Inglés
OAI Identifier:oai:kerwa.ucr.ac.cr:10669/103109
Accesso online:https://hdl.handle.net/10669/103109
https://doi.org/10.1109/icaacca51523.2021.9465265
Keyword:Sistemas de conversión de energía eólica
Turbinas eólicas multi-megavatios
Generadores síncronos de imanes permanentes
Convertidor modular multinivel
Corrientes circulantes
Eliminación de transformadores elevadores
Perfil de velocidad del viento