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PI tuning parameters in back-to-back converters applying active damping control for DC-voltage power port regulation
(Institute of Electrical and Electronics Engineers Inc., 2017-07-01)
In Back-to-Back converters, the controlled DC-voltage power port is employed as an integral part of the HVDC systems, variable-speed wind-power units, power electronics transformers (PETs) and other applications. The high ...
Triangular Current Mode for High Step Ratio Modular Multilevel DC-DC Converter
(IEEE, 2018)
DC networks have generated much interest in recent years, from transmission in high voltage to their use in distribution systems. One of the major challenges is to replace the high efficient and reliable ac transformer, ...
Sistema de condicionamento de potência com correntes senoidais na rede de alimentação
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA ELÉTRICAPrograma de Pós-Graduação em Engenharia ElétricaUFMG, 2020-12-18)
Power Conditioning Systems (PCS) may impact the system power quality due to the current harmonic distortion and also increase the potential of harmonic resonances due to the use of capacitive elements in their front-end ...
Gerenciamento e controle de um sistema de geração distribuída baseada em painéis fotovoltaicos
(Universidade Tecnológica Federal do ParanáToledoBrasilEngenharia EletrônicaUTFPR, 2017-11-29)
This project show a distributed generation system based on photovoltaic panels. The structure is composed by photovoltaic panels, DC-DC converters and a battery. Considering that are included algorithms for the panels ...
Evaluation of DC-AC single-phase solid-state transformers
(Institute of Electrical and Electronics Engineers, 2019-11-02)
This work presents an evaluation of three topologies of DC-AC single-phase solid-state transformers, for applications in electric microgrids. The main features of these topologies are galvanic isolation, capability to ...
Retificador trifásico isolado em alta frequência para carregamento rápido de baterias de veículos elétricos
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia Elétrica e Informática IndustrialUTFPR, 2017-10-19)
This work presents the development of a three-phase system for fast charging electric vehicle batteries, with high power factor, insulation at high frequency and low current stresses. The proposed system is based on a ...
Estudo e implementação de um conversor bidirecional como interface na regulação de tensão em barramento c.c. e carregamento de baterias em um sistema nanorrede
(Universidade Federal de Minas GeraisUFMG, 2013-10-18)
Due to the increase of electricity demand to attend the growing needs of society and to compensate deficiencies of the energy generation, there is a need to enhance the participation of renewable energy resources into the ...
Extending the power transfer capability of a three-port DC-DC converter for hybrid energy storage systems
(Institution of Engineering and Technology, 2017-10)
Design considerations for a three-port bidirectional DC-DC converter to be used in hybrid energy storage systems (HESSs) with the aim to increase the power transfer capability are discussed in this study. For this, an ...