Drive unit for an industrial truck
2015
Drive unit for an industrial truck with • a reluctance machine which n is a number of separately energisable stator windings comprises • a supply terminal to which an energy storage device is connected, and • an electronic controller, via which the stator windings can be connected to the supply terminal, • the electronic control a supply module and a selection module comprising, • the supply module between the supply terminal and a central node is connected and a supply module semiconductor switching means whose switching state determines a voltage at the central node, and • the selection module for each of the separately energisable stator windings comprises a selection module semiconductor switching means whose switching state determines whether the associated one of the selection module semiconductor switching means stator winding is energized via the central node.
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