DC-DC converter with adaptive zero-voltage switching
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United States of America Patent
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Oct 20, 1992
Grant Date -
N/A
app pub date -
Oct 15, 1991
filing date -
Oct 15, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A circulating current control for a phase shifted full bridge inverter is provided to control the powder dissipation and efficiency of the converter responsive to changing operating conditions. The minimum circulating current necessary for zero-voltage switching is regulated by adjusting the reset current of saturable reactors. Therefore, zero-voltage switching can be achieved with a minimum of condition losses. The converters efficiency is optimized over a wide range of operating conditions.
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