Motor Testing
Direct Current Motor Electrical Evaluation Using Motor Circuit Analysis
Direct Current electric motors operate under a basic principle of electricity: interaction between two magnetic fields positioned at an angle from each other will attract/repel resulting in movement...
- Howard Penrose
- MotorDoc LLC
Tips for a Lean Approach to Motor Reliability
Maintaining the highest reliability standards for electric motors is the goal of every company. Unfortunately, in an era that emphasizes lean operations, too many businesses fall short. When they do miss the mark, the costs for either repair or replacement can be prohibitive...
- Noah Bethel
- PdMA Corporation
Motor & Generator Storage
Electrical machine (motors & generators) storage will affect the life of the equipment...
Multi-Technology Approach to Motor Diagnostics
One example is your vibration technician suspects a possible rotor problem in a critical application, but the cost to replace means a shutdown of production...
- Howard Penrose
- MotorDoc LLC
Soft Foot
In electric motors, soft foot distorts the frame, which in turn can distort the stator magnetic field...
The Challenges Faced Diagnosing Vertical Pump Defects
In this short video, we will review the history of Vertical Pumps and the types of Vertical Pumps. We'll also discuss the obstacles that are encountered in the field and provide some case history examples...
- Allen Bailey
- IVC Technologies
Vibration Measurement Techniques for Continuously Varying Speed Machinery
There are a lot of equipment types in industry that exhibit continuously varying speed. This presents a number of challenges to the vibration analyst. If a time sample is collected as the machine is continuously changing speed, the FFT will produce a virtually useless plot...
- Greg Lee
- PRUFTECHNIK
Combined Use of ESA, MCSA and Vibration for Accurate TTFE
In this presentation will will discuss the vibration and ESA fault detection of rotor bar faults in three medium voltage compressor motors and how the combined use allowed the risk of catastrophic failure to be assessed...
- Howard Penrose
- MotorDoc LLC
MCEmax Finds High Resistance Connection
Listen to Noah Bethel and Todd Gunderson as they explain how the MCEMax was used to identify a High Resistance Connection in one motor and an AirGap issue in another...