A Distribution Power Electronic Transformer with MMC
AbstractThis paper deals with a Power Electronic Transformer (PET) topology for a 3-phase AC distribution grid. In the discussed topology, a Modular Multilevel Converter (MMC) and a Full-Bridge converter are employed for the medium voltage (MV) and the low voltage (LV) side, respectively. By using the space vector, approach a mathematical model for the MMC is presented and a grid-synchronous algorithm is implemented to easily control the power flow through the structure. The MV and LV side converters are linked through a High Frequency (HF) transformer, whose control strategy is a Dual-Active Phase-Shift Control (PSC) with Square Wave Modulation (SQM). This technique is combined with a predictive algorithm, which is able to keep each leg’s capacitors’ voltages balanced both in stationary and in transient conditions. The proposed algorithm is numerically validated in the Matlab/Simulink® environment. View Full-Text
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Brando, G.; Bova, B.; Cervone, A.; Dannier, A.; Del Pizzo, A. A Distribution Power Electronic Transformer with MMC. Appl. Sci. 2018, 8, 120.
Brando G, Bova B, Cervone A, Dannier A, Del Pizzo A. A Distribution Power Electronic Transformer with MMC. Applied Sciences. 2018; 8(1):120.Chicago/Turabian Style
Brando, Gianluca; Bova, Biagio; Cervone, Andrea; Dannier, Adolfo; Del Pizzo, Andrea. 2018. "A Distribution Power Electronic Transformer with MMC." Appl. Sci. 8, no. 1: 120.
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