Maximum efficiency point tracking (MEPT) method and digital dead time control implementation

    Authors

    J. A. Abu-Qahouq; M. Hong; H. J. Al-Atrash;I. Batarseh

    Comments

    Authors: contact us about adding a copy of your work at STARS@ucf.edu

    Abbreviated Journal Title

    IEEE Trans. Power Electron.

    Keywords

    adaptive; converter; dead time; digital control; efficiency; isolated; maximum efficiency point tracking (MEPT) method; non-isolated tracking; Engineering, Electrical & Electronic

    Abstract

    An adaptive control method, to be called maximum efficiency point tracking (MEPT), is presented in this paper. This method tracks system efficiency, which is dc-dc converter efficiency in this paper, and adaptively optimizes system parameters to maximize efficiency. The MEPT method is used in this paper to optimize the primary-to-secondary switches' dead-time parameter in an isolated topology to reduce the switches' body diodes conduction during commutation periods and to reduce body diodes conduction and reverse-recovery related losses in order to improve efficiency. MEPT tracks converter efficiency while changing the dead-time and detects the optimized dead-time value at the maximum efficiency point at different load and line conditions. In this paper, the MEPT method is discussed and analyzed, and its digital control algorithm and experimental implementation are presented.

    Journal Title

    Ieee Transactions on Power Electronics

    Volume

    21

    Issue/Number

    5

    Publication Date

    1-1-2006

    Document Type

    Article

    Language

    English

    First Page

    1273

    Last Page

    1281

    WOS Identifier

    WOS:000240567400012

    ISSN

    0885-8993

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