Method for operating converter circuit

The invention relates to a method for operating a frequency converter circuit comprising at least two outputs that are respectively connected to a load, especially an induction coil (I1, I2). A first output (I1) is operated at a first switching frequency (f1) and a second output (12) is simultaneous...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BURDIO PINILLA JOSE MIGUEL,BARRAGAN PEREZ LUIS ANGEL,HERNANDEZ BLASCO PABLO,LORENTE PEREZ ALFONSO,MONTERDE AZNAR FERNANDO,LLORENTE GIL SERGIO
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 GENERATION
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Beschreibung
Zusammenfassung:	The invention relates to a method for operating a frequency converter circuit comprising at least two outputs that are respectively connected to a load, especially an induction coil (I1, I2). A first output (I1) is operated at a first switching frequency (f1) and a second output (12) is simultaneously operated at a second switching frequency (f2) that is different from the first, in such a way that noise having a frequency (fS) generated by the superposition of the first switching frequency (f1) and the second switching frequency (f2) is produced. The frequency converter circuit is operated in such a way that the frequency (fS) of the noise is lower than a first cutoff frequency (gl) and/or is higher than a second cutoff frequency (g2).