[vc_row][vc_column][vc_column_text] Abstract VFDs have become the most commonly used modes to drive induction motors in a variety of applications requiring speed variations. However, vibration analysis for fault diagnosis of such…
Torsional Vibration Simulation Using a Universal Joint
[vc_row][vc_column][vc_column_text] Abstract A universal joint is a mechanical device which can transmit torque and rotational motion of two intersecting shafts. The joint consists of a pair of yokes oriented at…
Wind Turbine Power Generation to Condition Monitoring: An Experimental Investigation Using the Wind Turbine Simulator
[vc_row][vc_column][vc_column_text] Abstract As the worldwide demand for cleaner electricity increases, so does the need for competent wind turbine technicians and fundamental wind turbine R&D. In this Technote we present the…
Induction Motor Fault Diagnosis Using Vibration and Motor Current
[vc_row][vc_column][vc_column_text] Abstract This experimental study investigates the effect of mechanical and motor electrical faults in rotating machinery. Machinery Fault Simulator (MFS-Magnum) with a 3-phase, 0.5 HP induction motor was used…
A Review of On-Line Condition Monitoring techniques for Three-Phase Squirrel-Cage Induction motors-Past, Present and Future
[vc_row][vc_column][vc_column_text] Abstract The main objective of this review is to provide industry with state of the art knowledge on condition monitoring strategies for assessing the operational health of induction motor…
Diagnostics of Induction Motor with Broken Bars Using Motor Current Signature Analysis (MCSA)
[vc_row][vc_column][vc_column_text] Abstract Using a Machinery Fault SimulatorTM (MFS) machine, we studied the diagnostics of the common types of fault in induction motors by motor current signature analysis (MCSA) as well as…
Vibration Signatures of Reciprocating Compressors
[vc_row][vc_column][vc_column_text] Abstract This tech notes studies the vibration signatures of a reciprocating piston compressor. A brief introduction of the operation principle and noise and vibration sources is presented. Experiments were…
Air Bubble and Cavitation Vibration Signatures of a Centrifugal Pump
[vc_row][vc_column][vc_column_text] Abstract In this work, a centrifugal pump was tested for its vibration signatures under different operational conditions. The two abnormal operating conditions studied are air bubble and cavitation. A…
Vibration Signal Analysis of Fan Rotors
[vc_row][vc_column][vc_column_text] Abstract A fan rotor system can generate a large amplitude blade-passing frequency (BPF) component if the gap between rotating fans and stationary diffusers is not equal. A series of…
Simulation and Vibration Analysis of Shaft Cracks
[vc_row][vc_column][vc_column_text] Abstract A Shaft crack is one of the most common defects in a rotor system and detection of such shaft crack is a very serious matter. In this study,…