Ferreira, Abel António de Azevedo (Date of defense: 2017-03-31)
This thesis discusses the operation of the grid-tied modular multilevel converters (MMC) applied on the dc power transmission, particularly on the medium and high-voltage applications. First, it is ...
Raza, Muhammad (Date of defense: 2017-12-13)
The offshore grid in North and Baltic Sea can help Europe to achieve 2020 and 2030 renewable energy target to counter climate changes . The formation of offshore grid requires the interconnection between ...