ELECTRIC MOTOR DRIVE UNIT FOR ON-LOAD TAP-CHANGERS

The present invention relates to a motor drive cabinet (2) in an on-load tap-changer, comprising an electric motor drive unit and a control unit (12). The electric motor drive unit comprises an electric motor (6), a gearbox (7) and a position transmitter (9), wherein said control unit (12) is arrang...

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Bibliographische Detailangaben
Hauptverfasser:	FRAESEN TOMMY, KONOV LAHAN, MATHAE JEAN, ERIKSSON LARS G, PEROLS MARTIN, EKENGREN JAN, BLOMQUIST HAKAN, OESTERHOLM HELGE, ERIKSSON PER
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES INDUCTANCES MAGNETS RELAYS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SELECTORS TRANSFORMERS
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Beschreibung
Zusammenfassung:	The present invention relates to a motor drive cabinet (2) in an on-load tap-changer, comprising an electric motor drive unit and a control unit (12). The electric motor drive unit comprises an electric motor (6), a gearbox (7) and a position transmitter (9), wherein said control unit (12) is arranged to control an outgoing axis (3) outgoing from said motor drive cabinet (2) by feeding said electric motor (6) through direct connection to drive said outgoing axis (3) through said gearbox (7), and wherein said position transmitter (9) is arranged to detect movement and position of said outgoing axis (3) and to provide indications thereof to said control unit (12), and wherein said motor drive cabinet (2) is sealed during use with said electric motor drive unit and control unit (12) within that sealing.