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Journal article

Modeling and design of an AC to DC converter

Pan C, Chen T ...see all
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Abstract

A step-up/down single-phase AC-to-DC power converter without current
sensor is proposed to achieve high performance and simple control
logic. The power converter adopts a front-end diode rectifier so
that only one active switch is required. The familiar state-space
averaging technique for discontinuous mode DC-to-DC power converters
is extended to model the proposed AC-to-DC converter. Unlike the
existing model, which is valid only for a very low frequency range,
namely below line frequency, the proposed model is applicable up
to half switching frequency. The design of the controller is detailed.
Selected experimental results are presented to verify the proposed
theory

Author-supplied keywords

  • control system analysis control system synthesis n

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Authors

  • C T Pan

  • T C Chen

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