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ABSTRACT
The paper deals with transient phenomena of an induction motor caused by a voltage pulse at different angular velocities. The response of the machine varies according to the angular velocity. The dependence of the time constants on the angular velocity has been derived. The response can be an exponential one or aperiodically damped. The reasons why the electromagnetic transient phenomenon of an asynchronous motor at standstill lasts longer than while revolving are explained. Per Unit System and space vectors are used.