Transformer flux observer for a full bridge power converter and method of operation thereof

Transformer flux observer for a full bridge power converter and method of operation thereof

A system and method for estimating magnetic flux in an isolation transformer and a power converter employing the system or the method. The power converter has a full bridge switching circuit coupled across a primary winding of an isolation transformer. In one embodiment, the system includes a conduc...

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Bibliographische Detailangaben
1. Verfasser: JACOBS MARK E
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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Beschreibung
Zusammenfassung:A system and method for estimating magnetic flux in an isolation transformer and a power converter employing the system or the method. The power converter has a full bridge switching circuit coupled across a primary winding of an isolation transformer. In one embodiment, the system includes a conductive path, including an observer, established across at least a portion of the primary winding. A voltage developed by the observer depends upon a value of the magnetic flux in at least the portion of the primary winding.