Switch unit
AssigneeMaschinenfabrik Reinhausen GmbH
InventorGeorg Kellendorfer
Life of this patent
Estimating the term…
Abstract
A switch unit for switching over an onload tap changer. The switch unit has an on-load tap changer with an actuating shaft that actuates a switch; and a drive system with a motor. The drive system is mechanically coupled to and configured to actuate the on-load tap changer. The drive system is configured such that, when the on-load tap changer is actuated, the drive system uses the actuating shaft as a store for kinetic energy in such a way that the actuating shaft is accelerated and the switch is actuated by the kinetic energy from the actuating shaft and additional energy provided by the motor.
Claims7
A switch unit, the switch unit comprising:
- an on-load tap changer comprising an actuating shaft that actuates a switch;
- and
- a drive system comprising a motor;
- wherein:
- the drive system is mechanically coupled to and is configured to actuate the on-load tap changer, and
- the drive system is configured such that, when the on-load tap changer is actuated, the drive system uses the actuating shaft as a store for kinetic energy in such a way that the actuating shaft is accelerated and the switch is actuated by the kinetic energy from the actuating shaft and additional energy provided by the motor.
A method for carrying out a switchover by a switch unit the switch unit comprising an on-load tap changer comprising an actuating shaft that actuates a switch;
- and a drive system comprising a motor, the drive system being mechanically coupled to and configured to actuate the on-load tap changer, and the drive system being configured such that, upon actuating the on-load tap changer, the drive system uses the actuating shaft as a store for kinetic energy in such a way that the actuating shaft is accelerated and the switch is actuated by the kinetic energy from the actuating shaft and additional energy provided by the motor, the method comprising:
- in a first step, the actuating shaft is accelerated by the motor of the drive system, the actuating shaft absorbs kinetic energy, and no switch is actuated;
- and
- in a second step, the switch is actuated by the kinetic energy from the actuating shaft and the additional energy from the drive system.
Dependencies are inferred from the claim text.