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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.1989.tde-10082022-100113
Document
Author
Full name
Lourenço Matakas Junior
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1989
Supervisor
Title in Portuguese
Retificadores especiais.
Keywords in Portuguese
Engenharia elétrica
Abstract in Portuguese
Os populares retificadores monofásicos com filtro capacitivo apresentam baixo fator de potência além de causarem perturbações na rede e equipamentos a ela associados. São apresentados alguns circuitos, tanto passivos como ativos, que minimizam os problemas acima citados. Um deles, a fonte com indutor e capacitor na entrada, é analisado com detalhes. Através de dados obtidos em simulações digitais foram elaborados gráficos, a serem utilizados para o dimensionamento da fonte. É feita também a verificação experimental para validação destes gráficos.
Title in English
Improved rectifiers.
Keywords in English
AC-Dc converters
High power factor rectifier
Power quality
Rectifiers
Abstract in English
The well known single-phase capacitor filter rectifier offers low power-factor and disturbances in the mains and its associated equipments. Passive and active circuits are described that minimize the above mentioned problems. A detailed analysis is presented for one of them, the inductor-capacitor input supply. Data obtained from computer simulations are presented in a set of graphics, so as to make possible its use for design. Experimental verification of them is also presented.
 
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Publishing Date
2022-08-10
 
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