Apparatus for resonant excitation of high frequency...

Apparatus for starting a switched reluctance motor

Apparatus for starting up a gas turbine unit or a pump...

Apparatus for stepper motor position control

Apparatus for stopping a grinding mill

Apparatus for straight line oscillation of a wire guide

Apparatus for synchronising ac-motors

Apparatus for the control of a salient-pole machine

Apparatus for the electric damping of oscillations in...

Apparatus for the field-related regulation of asynchronous...

Apparatus to control the speed of an induction motor for use...

Arc-welding generator

Arrangement for adjusting the on/or off angle of the voltage...

Arrangement for automatically influencing a mains supply and...

Arrangement for controllably driving an a.c. motor

Arrangement for controlling the driving and braking current...

Arrangement for driving the drum of a washing machine

Arrangement for regulating the current supplied to the...

Arrangement for regulating the speed of an asynchronous motor

Arrangement for rotor-frequency-dependent short- circuiting...