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Análise da eficiência energética de um acionamento V/f utilizando evolução diferencial
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2016)
The three-phase induction motor is widely used in industry, and oftenly operated with loads far below the rated load, resulting in decreased energy efficiency. A strategy for increasing energy efficiency is to control the ...
A comparative study of MPPT strategies and a novel singlephase integrated buck-boost inverter for small wind energy conversion systems
(2011-12-28)
This paper presents the analysis of some usual MPPT (Maximum Power Point Tracking) strategies intended for small wind energy conversion (up to 1kW) based on permanent magnet synchronous generators (PMSG), considering the ...
A comparative study of MPPT strategies and a novel singlephase integrated buck-boost inverter for small wind energy conversion systems
(2011-12-28)
This paper presents the analysis of some usual MPPT (Maximum Power Point Tracking) strategies intended for small wind energy conversion (up to 1kW) based on permanent magnet synchronous generators (PMSG), considering the ...
Troca de motores elétricos visando a eficiência energética em uma indústria de beneficiamento de soja
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2018-11-13)
This study presents an analysis of the effects that the exchange of motors with low energy efficiency by engines with high efficiency entail the energy expenditure and the efficiency of Cargill Agrícola SA in the city of ...
Análise de interferência eletromagnética de inversores CC-CA trifásico em ponte sobre cabeamento paralelo em veículos elétricos
(Universidade Tecnológica Federal do ParanáCuritibaBrasilEspecialização em Sistemas Embarcados para a Indústria AutomotivaUTFPR, 2017-12-20)
Nowadays, electric vehicles are of great interest, due to growing concern about environmental issues and the burning of fossil fuels. With this and with the advancements of automotive embedded electronics, electric ...
Estudo de eficiência energética para motores aplicados no processo de secagem em silos
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2020-11-26)
This work presents an energy efficiency study of an engine commonly used in silos. The focus of this work is to identify the efficiency of using a frequency inverter in the control of this motor, and to compare to a situation ...
Projeto e execução da automação de um sistema de refrigeração visando a eficiência energética
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2016-06-08)
This paper brings an applied methodology to a cooling system in a food company, located on northwest of Parana State in Brazil, in order to automate the temperature control, and consequently improve the energy efficiency ...
Simple and Low-Computational Losses Modeling for Efficiency Enhancement of Differential Inverters with High Accuracy at Different Modulation Schemes
(Institute of Electrical and Electronics Engineers Inc., 2022)
The modeling of losses at differential inverters is becoming crucial, especially for enhancing efficiency and reliability of their DC-DC modules. Losses modeling based on sinusoidal duty cycle, at line frequency FL, without ...