Investigation of vibrational behaviour of an electric motor Features - interaction of electromagnetic and mechanical elements of the system - adjustable asymmetric gap between stator and rotor - electromagnetic asymmetry with winding that can be switched off Learning objectives/experiments - influence of the gap on vibration behaviour - influence of electromagnetic asymmetry on vibration behaviour - influence of the load on the level of vibration - influence of the gap on electromagnetic losses and efficiency - influence of speed on vibration behaviour - understanding and interpreting frequency spectra - use of a computerised vibration analyser - in conjunction with a current measuring probe -- measurement of current consumption per phase Specification [1] investigation of vibration behaviour of an electric motor [2] asynchronous motor with adjustable gap [3] asymmetric magnetic field by winding with shut-off facility [4] variable speed via frequency converter of base unit [5] speed display on display and control unit of base unit PT 500 [6] power display on display and control unit of base unit PT 500 [7] accessory set for PT 500 machinery diagnostic training system [8] stackable storage system to house the components Technical data Asynchronous motor with variable speed - speed range: 100...6000min-1 - nominal power output: 370W Eccentricity of armature: 0...0,2mm LxWxH: 400x300x320mm (storage system) Weight: approx. 11kg
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