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Desenvolvimento de um retificador boost half-bridge integrado a um conversor CC-CC buck-boost para aplicações em UPS
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia Elétrica e Informática IndustrialUTFPR, 2019-09-26)
Installations as data centers, diagnostic or life-support medical equipment, and air traffic control, are protected by an uninterruptible power supply or UPS to prevent fails in their operation by disturbances on electrical ...
Sistema de controle para motores elétricos
(Universidade Tecnológica Federal do ParanáCuritibaBrasilSistemas Embarcados para a Indústria AutomotivaUTFPR, 2021-11-30)
Since the use of electrical motors powered with continues voltage sources has been growing in the automotive industry, the study of this kind of application has become relevant. The objective of this work is to implement ...
Estudo de um conversor CC-CC SEPIC-Zeta bidirecional com o conceito de dobrador de tensão para interface de um banco de baterias com uma microrrede CC
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilDepartamento Acadêmico de Engenharia ElétricaEngenharia ElétricaUTFPR, 2021-12-01)
This work presents the theoretical analysis, design equations and the construction of a dc-dc bidirectional SEPIC-Zeta converter, with voltagedoubler concept. The converter is suitable for connecting a battery energy storage ...
Estudo de fluxo de potência harmônico em sistemas de distribuição de energia elétrica
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2011-11-24)
The presence of devices that use power electronics within their operating scheme has increased significantly in recent years. However, the use of such devices directly affects the quality of electric power with respect to ...
Retificador PFC Half Bridge com elevado fator de potência
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2017-06-12)
Due to the increasing amount of electrical equipment fed in direct current, it becomes increasingly necessary the use of AC-DC converters, also known as voltage rectifiers. When these rectifiers began to emerge, they were ...
Desenvolvimento de uma fonte de corrente contínua de laboratório programável com interface para LabVIEW™
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Eletrotécnica, 2013-09-10)
Development of a power supply current programmable controller controlled via digital signals (dsPIC30f3010) capable of emulating the current and voltage profiles through input and output of data using a computer interface ...
Structural, optical and electrical properties of DC sputtered indium saving indium tin oxide (ITO) thin films
(Elsevier, 2018)
Amorphous indium tin oxide (ITO) thin films with reduced to 50 mass% indium oxide
content were prepared by direct current (DC) sputtering of ITO target in mixed argonoxygen
atmosphere onto glass substrates preheated at ...