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A new family of zero-current-switching PWM converters and a novel HPF-ZCS-PWM boost rectifier
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
A new family of zero-current-switching PWM converters and a novel HPF-ZCS-PWM boost rectifier
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Estudo de retificadores monofásicos modulares ISOS baseados no conversor flyback
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia Elétrica e Informática IndustrialUTFPR, 2020-10-16)
This thesis aim’s the operation of two modular flyback converter AC-DC of 200W each with high power factor, connected in series at the input and output, this topology is also known as ISOS – Input-series Output-series. ...
Retificador monofásico três níveis com elevado fator de potência modificado para aplicações em UPS com ponto neutro comum entre a carga e as fontes CA/CC
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Sistemas de EnergiaUTFPR, 2019-10-31)
The dependence of electronic equipment is something regular, and within this context there are systems whose operation is considered critical, that is, they cannot fail due to the power supply's lack of energy. The use of ...
Avaliação da qualidade de energia elétrica em instalações industriais
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2022-06-07)
The evaluation of power quality disturbances in industrial electrical installations has gained attention in recent decades, mainly due to the significant increase in non-linear loads. Based on this context, given the ...
Estudo de ponte trifásica para acionamento de motor cc sem escovas para uso em veículos elétricos
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2020-03-09)
Brushless DC motors are widely used in the industry for their low energy consumption. Also used in the automotive industry due to your high torque, in the first moment the study of drive methods for BLDC (Brushless DC) ...
Estudo do controle digital de um retificador boost trifásico bidirecional através de modulação vetorial
(Universidade Tecnológica Federal do ParanáCuritibaBrasilCurso de Engenharia de Controle e AutomaçãoUTFPR, 2018-12-03)
The rectifiers are Power Electronics devices commonly used in daily life and in the industry. They are responsible for convert the alternate current (AC) into direct current (DC). Yet, either controlled or non-controlled ...
Protótipo de circuito emulador de ponteira para medição de corrente elétrica
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2021-11-29)
This work documents the process of designing, sizing, simulating and implementing a low-cost circuit to emulate an oscilloscope probe, enabling measurements of electrical current with no need for intervention in the circuit ...
By‐dependent prompt penetrating electric fields at the magnetic equator
(American Geophysical Union, 2002-04-13)
We propose a new type of prompt penetrating electric field effect which seems to be related to the y‐component of the interplanetary magnetic field and the NBZ current system. We report an equatorial electric field pattern ...
Implementação de um pré-regulador de fator de potência utilizando um conversor CC-CC boost
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2014-11-28)
The conventional rectifiers have input current with high harmonic distortion and low power factor, wasting power to the supply of dc loads. One of the existing solutions is the use of dc-dc converters for active power ...