CIRCUIT ARRANGEMENT FOR OPERATING ELECTRIC ARC DISCHARGE DEVICES

Electric arc discharge device operating apparatus includes rectifier means and an inverter circuit connected to said input terminals and having first and second output terminals. An autotransformer has a main winding across which is connected a capacitor. A drive transformer has a core of linear low...

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Bibliographische Detailangaben
1. Verfasser:	CRANE R,US
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 ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	Electric arc discharge device operating apparatus includes rectifier means and an inverter circuit connected to said input terminals and having first and second output terminals. An autotransformer has a main winding across which is connected a capacitor. A drive transformer has a core of linear low loss characteristics, a primary winding and two secondary windings. The primary winding is connected across a portion of the main autotransformer winding between one terminal and an adjacent tap, and each secondary winding is connected to the control terminal of one of the inverter switching devices. The saturation characteristics of the drive transformer are coordinated with the saturation characteristics of the autotransformer so that drive transformer saturation causes switching of the inverter circuit switching devices without saturation of the autotransformer.