POWER SUPPLY SYSTEM FOR A BEARING CONTROLLER

A system for supplying power to a magnetic bearing controller of a permanent magnet synchronous motor comprising:a first power supply module configured to be connected to a power grid and to supply voltage to the magnetic bearing controller,a second power supply module configured to supply voltage t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FESSLER, Eric, DURAND, Fabien
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A system for supplying power to a magnetic bearing controller of a permanent magnet synchronous motor comprising:a first power supply module configured to be connected to a power grid and to supply voltage to the magnetic bearing controller,a second power supply module configured to supply voltage to the magnetic bearing controller, the voltage of the second power supply module being drawn from the synchronous motor,a device for selecting the first power supply module or the second power supply module for supplying a voltage to the magnetic bearing controller,whereinthe second power supply module is configured to deliver, in a nominal operating mode, a voltage lower than the voltage delivered by the first power supply module,the second power supply module is connected in parallel with the first power supply module and upstream of the magnetic bearing controller,The selection device is configured to select the power supply module delivering the higher voltage to the magnetic bearing controller.