Braking three-phase asynchronous machine e.g. for processing machine, involves braking in two phases so voltages or currents do not exceed rated values and load is not loaded higher than in normal operation

摘要

The method involves using the principle of mains-independent generator operation of the machine (1). Braking is performed in two phases so that the resulting voltages or currents do not exceed the machine's rated values and the machine is not loaded more highly than in normal operation. Staged braking is performed using star-triangle changeover switching of motor windings and capacitances (2).