Transformerless DC/DC converter based on the autotransformer concept for the interconnection of HVDC grids

DC/DC autotransformers present several advantages compared to Front-to-Front (F2F) topologies. This work presents the Transformerless (TL) DC/DC autotransformer topology, which consists on the substitution of the AC transformer in the DC/DC autotransformer for an AC filter, with the objective of red...

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Bibliographic Details
Published in2018 Thirteenth International Conference on Ecological Vehicles and Renewable Energies (EVER) pp. 1 - 6
Main Authors Sau-Bassols, Joan, Prieto-Araujo, Eduardo, Gomis-Bellmunt, Oriol, Baraciarte, Roberto Alves, Nami, Alireza
Format Conference Proceeding Publication
LanguageEnglish
Published IEEE 01.04.2018
Subjects
AC filters
Active filters
Capacitors
Convertidors continu-continu
Convertidors de corrent elèctric
DC-DC converters
DC-to-DC converters
DC/DC autotransformer
DC/DC conveter
Ecology
Electrònica de potència
Energies renovables
Enginyeria electrònica
Full-load
Hvdc grids
HVDC inter connector
HVDC power transmission
HVDC transmission
Inductors
Insulated gate bipolar transistors
Modular Multilevel Converter
Modular multilevel converters
Power transformer insulation
Renewable energy sources
Topology
Transformerless
Transformerless DC transformers
Transformerless dc/dc converters
Vehicles
Àrees temàtiques de la UPC
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Summary:DC/DC autotransformers present several advantages compared to Front-to-Front (F2F) topologies. This work presents the Transformerless (TL) DC/DC autotransformer topology, which consists on the substitution of the AC transformer in the DC/DC autotransformer for an AC filter, with the objective of reducing its cost. The TL topology is modelled, its control presented and its operation validated by means of simulations. Also, the losses of the converter are estimated for partial and full load.
ISBN:1538659662
9781538659663
DOI:10.1109/EVER.2018.8362338