Motor Testing
Motor Storage
Proper motor storage is critical if we hope to achieve normal life expectancy from our electric motors. Not only is proper motor storage important for good motor health, it may be required to maintain a warranty on motors that we purchase..
- Noah Bethel
- PdMA Corporation
Motor Magnetic Center
Running a motor uncoupled will pull the motor rotor into a magnetic center, often marked on the shaft to ensure that the rotor is lined up on the magnetic center when it is coupled to the load. .
- Noah Bethel
- PdMA Corporation
Keeping Track of Starts
Heat is often the final variable causing pre-mature aging and breakdown of your insulation system. Another component of your electric motor, overlooked for heat related failure is the rotor.
- Noah Bethel
- PdMA Corporation
Motor Base Installation Procedure
Adjustable motor bases and rails are available in a variety of sizes that accommodate most motors. These bases are an easy and great solution as they simplify installation and offer adjustments for alignment and tensioning..
- Mike Olszewski
- Reliability Concepts
You Have Water Where?
For many of us it’s the rainy season and with that comes elevated concerns about the insulation integrity of our electric motors and generators. .
- Noah Bethel
- PdMA Corporation
Rotor Bar Analysis Using Electrical Signature Analysis
Broken or fractured rotor bars are found as elevated Pole Pass Frequency (PPF) sidebands of line fre- quency (LF). PPF is calculated using the synchronous speed minus the running speed times the number of poles..
- Mark Koch
- ALL-TEST Pro, LLC
Electrical Signature Analysis
Growing part of industry including the clean energy sector relies upon electrical signature analysis to identify conditions through the power and powertrain..
- Howard Penrose
- MotorDoc LLC
Trend Is Your Friend
Troubleshooting a motor without historical data to reference for a change in baseline, or a gradual trend up or down can be a difficult task. Troubleshooting a motor without historical data to reference for a change in baseline, or a gradual trend up or down can be a difficult task..
- Noah Bethel
- PdMA Corporation
AC Vs. DC Motors
For those who have experience working with motors, you are likely quite familiar with the difference between AC and DC motors. If you are new to electrical motors or would like a refresher, we will explain..
- Mark Koch
- ALL-TEST Pro, LLC
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