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Author: search.filters.author.Yongyuth, NarasSubject: search.filters.subject.High frequency

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    Analysis of two continuous control regions of conventional phase shift and transition phase shift for induction heating inverter under ZVS and NON-ZVS operation
    (2008-12-04)
    Viriya, Pichetjamreon
    ;
    Yongyuth, Naras
    ;
    Matsuse, Kouki
    This paper proposes an analysis of two continuous control regions of conventional phase shift and transition phase shift for a full-bridge series resonant inverter operating under zero voltage switching (ZVS) and nonzero voltage switching (NON-ZVS) conditions with the load of induction heating. A number of circuit operations for the cases of conventional phase-shift and transition phase-shift control regions under ZVS and NON-ZVS conditions are analyzed first. Various voltage and current equations of the operating circuits are then obtained and used for calculation of the waveforms with the aid of the MATLAB program. The calculated waveforms make possible the consideration of some important circuit parameters that are used to determine ZVS or NON-ZVS conditions. The theoretical results and the proposed method are also verified by experiments, using a prototype test set in our laboratory. © 2008 IEEE.
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    Analysis of transition mode from phase-shift to zero phase-shift under ZVS and NON-ZVS operation for induction heating inverter
    (2008-01-01)
    Viriya, Pichetjamroen
    ;
    Yongyuth, Naras
    ;
    MatSUSe, Kouki
    This paper proposes an analysis of transition mode from phase-shift to zero phase-shift under ZVS and NON-ZVS operations for a series resonant inverter with the load of induction heating. A number of circuit operations during transition mode from phase-shift to zero phase-shift under ZVS and NON-ZVS conditions are first analyzed. Various voltage and current equations of the operating circuits are then obtained and used for calculation of the waveforms by the aid of MATLAB program. The calculated waveforms make possible the consideration of some important circuit parameters that are used to determine ZVS or NON-ZVS conditions. The theoretical results and proposed method are also verified by experimental ones, using a prototype test set in our laboratory. © 2008 The Institute of Electrical Engineers of Japan.