Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 6, 2011
Patent Application Number
12438581
Date Filed
August 24, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A drive system for operation of a tap changer for voltage regulation of a transformer on load. An electric motor is connectible to a movable part of the tap changer for moving the movable part for carrying out a tap change operation. An electric converter connects an electric power supply to the electric motor. A control arrangement is adapted to control the electric converter for controlling the operation of the motor and by that of the tap changer.
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