METHOD FOR OPERATING AN ELECTRIC DRIVE SYSTEM WITH STORED ENERGY SOURCE, AND DRIVE SYSTEM FOR CARRYING OUT A METHOD OF THIS TYPE

The invention relates to a method for operating a drive system, wherein the drive system has a rectifier, a stored energy source connected to the direct-voltage-side connection of the rectifier via a DC/DC converter, and a motor that can be fed from an inverter. The profile of the voltage applied at...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAUCK, Matthias, SCHMIDT, Josef
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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The invention relates to a method for operating a drive system, wherein the drive system has a rectifier, a stored energy source connected to the direct-voltage-side connection of the rectifier via a DC/DC converter, and a motor that can be fed from an inverter. The profile of the voltage applied at the direct-voltage-side connection of the inverter, that is to say the DC link voltage U_ZK, is detected and on this basis the value of a measure for ripple and/or variation amplitude of the profile is determined, the converter controlling the power flow discharged by the stored energy source in particular in manner dependent solely on said value by adjusting the current from the stored energy source to a setpoint value.