Optimal trajectory control for LLC resonant converter for soft start-up

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United States of America Patent

PATENT NO 9318946
APP PUB NO 20140313790A1
SERIAL NO

14087076

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Abstract

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By setting switching instants of a switching circuit of a resonant power converter based on current in a resonant circuit reaching a current limit of a current limitation band, soft start-up of the power converter can be achieved to avoid or limit electrical stress with full control over a trade-off between time required to settle to a full load steady-state mode of operation and the amount of electrical stress permitted while soft start up switching frequency is automatically optimized.

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Patent Owner(s)

  • VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Feng, Weiyi Blacksburg, US 31 103
Lee, Fred C Blacksburg, US 124 4620

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