CONTROL DEVICE FOR THE VOLTAGE- ABSENT SWITCHING OF A SWITCHING ELEMENT OF A VOLTAGE CONVERTER

In a control device (28) for the voltage-absent switching of at least one switching element (18-24) of a voltage converter (10), a detection element (30) detects a resonance voltage between the switching element (18-24) and the transformer unit (14). A control unit (34) generates a control signal fo...

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Bibliographische Detailangaben
Hauptverfasser:	MAISEL PETER, SALITERNIG MARTIN, EHRET ALEXANDER
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:	In a control device (28) for the voltage-absent switching of at least one switching element (18-24) of a voltage converter (10), a detection element (30) detects a resonance voltage between the switching element (18-24) and the transformer unit (14). A control unit (34) generates a control signal for the switching element (18-24) as a function of a value of the detected resonance voltage and outputs the control signal to the switching element (18-24). A ZVS path in the control unit switches the switching element at the right time. A bypass path ensures a continuous switching of the switching element if the resonance signal fails to be emitted.