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        Influence of double excitation AC/DC in the reactive power demand of 3-phase transformers 

        Universidade Estadual Paulista (UNESP) (IEEE, 1999-12-01)
        In this work it is discussed the performance of the reactive power demand in three-leg transformer core and three-phase transformer bank, under different conditions of AC/DC double excitation. In order to analyse the ...

        A new three-phase low THD power supply with high-frequency isolation and 60V/200A regulated DC output 

        Universidade Estadual Paulista (UNESP) (2001-10-22)
        This work proposes a new isolated high power factor 12kW power supply based on an 18-pulse transformer arrangement. Three full-bridge converters are used for isolation and to balance the DC-link currents, without current ...

        A new three-phase low THD power supply with high-frequency isolation and 60V/200A regulated DC output 

        De Seixas, F. J M; Barbi, I. (2014)

        Planning of secondary distribution circuits through evolutionary algorithms 

        Universidade Estadual Paulista (UNESP) (2005-01-01)
        In this work, the planning of secondary distribution circuits is approached as a mixed integer nonlinear programming problem (MINLP). In order to solve this problem, a dedicated evolutionary algorithm (EA) is proposed. ...

        Planning of secondary distribution circuits through evolutionary algorithms 

        Cossi, Antônio Marcos; Romero, Rubén; Sanches Matovani, José Roberto (2014)

        25 kHz amorphous core transformer for induction heating applications 

        University of Padua; Universidade Estadual Paulista (UNESP) (Elsevier B.V., 1990-01-01)
        The analysis of the feasibility and economics of amorphous core power transformers for induction heating applications in the field 10-50 kHz is developped. The results obtained on a 25 kHz-150 kVA concentric winding trial ...

        Influence of double excitation AC/DC in the reactive power demand of 3-phase transformers 

        Rossi, Jose Carlos; Oliveira, Luis Carlos Origa de; Ferreira, Marco A S (IEEE, 2014)

        Asymmetrical magnetization in three-phase core type transformers 

        Universidade Estadual Paulista (UNESP) (1995-12-01)
        The performance of the three-phase core type transformers, under AC/DC double excitation is discussed in this work. It is presented a mathematical model that considers the mutual coupling between phases and the magnetic ...

        Asymmetrical magnetization in three-phase core type transformers 

        de Oliveira, Luis Carlos Origa; Rossi, Jose Carlos; de Camargo Pires, Francisca A. (2014)

        Eigenvalue analyses of two parallel lines using a single real transformation matrix 

        IEEE; Universidade Estadual Paulista (UNESP); Universidade Estadual de Campinas (UNICAMP) (2005-10-31)
        For a typical non-symmetrical system with two parallel three phase transmission lines, modal transformation is applied using some examples of single real transformation matrices. These examples are applied searching an ...
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        Red de Repositorios Latinoamericanos
        + of 2.515.000
        Available publications
        163 Participating institutions
        Dirección de Servicios de Información y Bibliotecas (SISIB)
        Universidad de Chile
        Membership Login
        Featured collections
        • Latin American Theses
        • Argentinean Theses
        • Chilean Theses
        • Peruvian Theses
        Latest collections added
        • Argentina
        • Brazil
        • Colombia
        • México
        Dirección de Servicios de Información y Bibliotecas (SISIB)
        Universidad de Chile
        Red de Repositorios Latinoamericanos | 2006-2018