Transport e.g. conveying machine electromagnetic vibrator

During the first half-period of an AC current source, a current flows over a single parallel stator (3) winding parallel branch (4-1). In the second half-period, the current flows over the other parallel branch (4-2). As a result, corresp. magnetic fluxes (phi-1 and phi-2) are excited in two loops of the magnetic circuit. When one variable magnetic flux (phi-1) is summed during the first half-period from 0 to pi with a constant armature magnetic flux (7), the resulting flux is positive when the other magnetic flux (phi-2) is equal to zero. During the next AC half-period, an inverse process occurs. Angular oscillations of an armature (7) then occur due to the sign (variable) disturbing torque and are subject to a harmonic law. One condition for the disturbance torque in the non-symmetrical position of the armature (7) poles which are shifted in pairs in opposite directions relative to the axis of symmetry by half the width of the pole width and form two halves mirror imaged with respect to the axis of symmetry.