Synthesis methods for enhancing electromagnetic compatibility and AC performance of power conversion circuits
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United States of America Patent
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Jan 14, 2003
Grant Date -
Sep 5, 2002
app pub date -
Sep 4, 2001
filing date -
Mar 2, 2001
priority date (Note) -
Expired
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Abstract
Five circuit synthesis methods, for forming new power conversion circuits with enhanced electromagnetic compatibility and improved AC performance from old circuits with AC performance and/or electromagnetic compatibility deficiencies, are revealed. The new synthesis methods achieve performance improvements without requiring the addition of magnetic cores. In all cases a simple toroidal magnetic core structure is not precluded. In all cases splitting or adding magnetic windings is required, and, in many cases, additional capacitors are required. Many new circuits formed by applying the synthesis methods are revealed. The results achieved by application of the synthesis methods include zero ripple current at all terminals without adding magnetic cores or requiring a complex magnetic circuit element, cancellation of common mode currents, improved control loop bandwidth, and faster transient response.
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