AVOIDING ELECTROMAGNETIC INTERFERENCE (EMI) IN ELECTRICAL EQUIPMENT AND DRIVE SYSTEMS, E.G. USED IN RADIO ASTRONOMY

AVOIDING ELECTROMAGNETIC INTERFERENCE (EMI) IN ELECTRICAL EQUIPMENT AND DRIVE SYSTEMS, E.G. USED IN RADIO ASTRONOMY

The invention relates to a drive system for sensitive devices, in particular for radio astronomical devices, the drive system comprising an electric motor, a converter configured to supply a drive power to the electric motor and to control a rotational speed and/ or rotational position of the electr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KASEMANN, Christoph, DUBOIS-DIT-BONCLAUDE, Pierre, WIECHING, Gundolf, JOST, Matthias, LEINZ, Christian, GOTTA, Jens
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
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
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Beschreibung
Zusammenfassung:The invention relates to a drive system for sensitive devices, in particular for radio astronomical devices, the drive system comprising an electric motor, a converter configured to supply a drive power to the electric motor and to control a rotational speed and/ or rotational position of the electric motor, a power supply line for providing the electric motor with a drive power, and a signal line for providing the converter with a signal indicating a measured rotational speed and/or rotational position of the electric motor, wherein the drive system further comprises a shaft grounding element for grounding a drive shaft of the electric motor and wherein at least one of the power supply line and the signal line further comprises a line filter unit for filtering electromagnetic interference (EMI) signals.