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Power losses evaluation of a bidirectional three-port DC-DC converter for hybrid electric system
(Elsevier, 2014-01)
Power losses of a bidirectional three-port DC–DC converter to be used in hybrid electric systems as a function of the voltage conversion ratios and the output power are evaluated in this work. An analysis and characterization ...
Análise e experimentos do conversor DAB com diferentes modulações aplicado para o carregamento de baterias
(Universidade Federal de Santa MariaBrasilUFSMColégio Técnico Industrial de Santa Maria, 2019-12-06)
This undergraduate final work presents a bibliographic review on batteries and DC-DC isolated bidirectional converters to introduce the Dual Active Bridge (DAB) converter, used in power systems to connect a DC bus to a ...
Contribuição à família de conversores CC-CC bidirecionais buck/boost
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 2022-07-17)
With the search for clean renewable energies and the growing of the greenhouse
gases, there is an increase in the number of electric vehicles and own generation. As most
renewable energies are naturally in DC the best ...
Trapezoidal Current Mode for Bidirectional High Step Ratio Modular Multilevel dc-dc Converter
(IEEE, 2019)
High voltage direct current (HVDC) transmission systems and low voltage direct current (LVDC) networks are becoming popular due to their advantages and present feasibility, mainly pushed by the advance in power electronics. ...
POWER CONTROL OF A BIDIRECTIONAL DC BUS FOR FUEL CELLS APPLICATIONS ABSTRACT
(Fondo Editorial EIA - Universidad EIA, 2013-09-27)
This paper proposes a power system for fuel cell applications able to transfer energy from the power source to the load, and to charge an auxiliary storage device using regenerative power flows generated by the load. The ...
Optimal ZCS Modulation for BidirectionalHigh-Step-Ratio Modular Multilevel dc-dc Converter
(2021)
Recent developments in dc powered technologies have increased interest in highly efficient dc-dc converters, especially at high voltage and high-step voltage ratios. Modular multilevel converters (MMCs) are an attractive ...
Control no lineal de convertidores para mejorar la estabilidad y confiabilidad de una microrred CC conectada a la red de distribución
(2021)
This study presents the non-linear control of power converters to improve the dynamic performance and robustness of a DC microgrid connected to the distribution network. The approach presented in this work allows to obtain ...
High integrated battery monitoring system with active balancing up to ±10A
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Elétrica - PPGEECâmpus São Carlos, 2022-02-22)
This master's thesis describes the development, construction, and setup of a flexible and modular, highly integrated battery monitoring system. The electronic unit uses an active balancing process with currents up to ±10A ...
Isolated bidirectional DC-DC converter based on the integration of the full-bridge ZVS-PWM and current-fed push-pull converter for DC microgrid applications
(2019)
Esta dissertação de mestrado apresenta a proposta de um Conversor CC-CC Bidirecional Isolado baseado na integração dos conversores CC-CC ZVS-PWM Ponte Completa e Push-Pull alimentado em corrente, grampeado com um conversor ...
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 ...