Energy supply device for a switch machine and method for supplying energy to and controlling a switch machine

摘要

The invention relates to an energy supply device (1) for a switch machine (3), which energy supply device is designed to be fed a direct voltage and to provide an alternating voltage suitable for the switch machine (3). According to the invention, in order to be able to produce a railway switch (4) more economically, the energy supply device (1) is designed to control the switch machine (3).