METHOD AND APPARATUS FOR PROTECTING TRANSISTORS

The invention relates to a method and to an apparatus for protecting transistors (S1, S3; S2, S4) arranged in at least one path, wherein transistors (S1, S3; S2, S4) connected in series to which an input voltage (Ue) is applied are arranged in a path (2), and the transistors (S1, S3; S2, S4) of a pa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ACHLEITNER, GUENTER, HOLZINGER, STEPHAN, PAMMER, WALTER, PIRCHENFELLNER, JUERGEN
Format:	Patent
Sprache:	eng ; fre ; ger
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 BASIC ELECTRONIC CIRCUITRY CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PULSE TECHNIQUE
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Beschreibung
Zusammenfassung:	The invention relates to a method and to an apparatus for protecting transistors (S1, S3; S2, S4) arranged in at least one path, wherein transistors (S1, S3; S2, S4) connected in series to which an input voltage (Ue) is applied are arranged in a path (2), and the transistors (S1, S3; S2, S4) of a path are alternately switched between a conductive state and a blocking state in order to generate an output voltage (Ua) at the center of the path. In order to prevent both transistors (S1, S3; S2, S4) of a path from triggering, the blocking state of the second transistor (S3; S4) of the path is checked before switching a transistor (S1; S2) into the conductive state, and the switching is released by way of a signal generated during the check.