Experimental investigation of the vibration behaviour of a laminated stack with winding

The vibration behaviour of a laminated stator core stack with windings and end windings is examined by carrying out detailed experimental investigations. Therefore, the stator core stack is excited with an electrodynamic shaker and the accelerations on the stator´s surface and end-windings are measured. With an experimental modal analysis the mode shapes of the structure are then obtained along with the frequency response functions. To determine the influence of the windings on the vibrational behaviour the results are compared to measurements on a laminated stack without the windings.