Apparatus and method for starting and controlling a motor

Apparatus and method for thermal protection of electric motors

Apparatus and method of braking a universal motor for...

Apparatus and method of detecting abnormal load of...

Apparatus and method to generate braking torque in an ac drive

Apparatus and three phase induction motor starting and...

Apparatus for auxiliary power supply from a generator field

Apparatus for continuously variable speed electric motor...

Apparatus for controlling a turbo generator

Apparatus for controlling an electric motor

Apparatus for controlling linear motors

Apparatus for controlling traveling bridges

Apparatus for damping oscillations in a track-bound...

Apparatus for damping rotation of turntable

Apparatus for energy transfer using converter and method of...

Apparatus for generating stepping motor pulses

Apparatus for isolated reference and feedback in an electric...

Apparatus for limiting the rate of rise of current in a...

Apparatus for maintaining synchronism of an...

Apparatus for operating plural poly phase a.c. motors having...