Electric Motor Diagnostics - Theory and Practice Online Presentation

The professional online presentation titled "Electric Motor Diagnostics - Theory and Practice" extensively presents non-destructive diagnostic methods for electric motors, ranging from the analysis of mechanical vibrations to the examination of electrical parameters using modern tools. It individually examines the most common mechanical and electrical faults of asynchronous (induction) motors.

The video demonstration highlights the tools required for investigating electrical phenomena.

Topics of the Online Presentation

• Overview of possible faults in electric rotating machines (with statistics)
• Brief overview of mechanical faults in electric rotating machines
• Non-destructive examination methods for electrical parameters
• Tools suitable for dynamic testing of electric motors
• Typical faults of asynchronous motors and their detection - comprehensive overview of mechanical and electrical phenomena - detection of rotor faults (shaft or cage breakages, asymmetries) - detection of stator faults (short circuits, breaks, asymmetries) - identification of supply problems (voltage asymmetry, poor contacts)
• Bearing-damaging creeping currents and static voltages - causes and occurrences of the phenomenon - detectability of the phenomenon through vibration measurements (spectrum analysis) - measurement method for determining electrical parameters - prevention of creeping currents and static voltages

Content of the Video Demonstration

• Practical implementation of current and flux measurements
• Measurement of rotor shaft breakage (on an asynchronous motor)
• Measurement and evaluation of creeping currents

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