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Five Minute Facts
  • Motor Testing

Gear Box Failure on Cooling Tower Induction Motor Fan

The large motors in this power plant are attached to a gear box, which is attached to a cooling fan inside the cooling tower. All components are enclosed inside a shroud, making a visual inspection difficult and costly. A knocking noise, possibly coming from inside the shroud, was detected. But was it the motor or the gear box? Watch the video to learn how the problem was analyzed without disassembling the shroud.

Case Studies and Stories
  • Motor Testing

Reducing Costs with ESA and MCA™ Technology

More than 300 million electric motors are used in infrastructure, large buildings, and industry globally. These motors account for about 2/3rds of the industrial power consumption. Electricity is required in almost all areas of the plant to provide the driving force that either operates the equipment that produces the products or provides the services that the plant’s equipment was built to perform..

Case Studies and Stories
Rotor Bar Fault Maintenance
  • Vibration Analysis

Rotor Bar Fault Maintenance Issue: Vibration Sensor Alert

A 398 KW MV motor that runs a blower fan in a cement plant was showing strange behavior. The vibration equipment indicated vibration amplitudes that became chronic with the passage of time. The maintenance team, not knowing what the issue was, ran the motor until the bearings had to be replaced...

Case Studies and Stories
  • Motor Testing

Successful PdM Saves Facility Time & Money

A work order was issued by a waste water treatment plant technician requesting electrical support due to a failed floating agitator.

Two Minute Tips
  • Motor Testing

Troubleshooting a Running Motor

This tip discusses troubleshooting the motor and machine train with the motor still running. The fault zones specific to the physical motor are the stator, rotor and airgap....

White Papers
The Trifecta of Motor Maintenance by Noah Bethel | PdMA Corporation
  • Motor Testing

The Trifecta of Motor Maintenance

Using the same concept of a trifecta (three factors for success), this article provides companies with the winning strategies of motor maintenance, focusing on the three reliability tasks for electric motor testing and the order in which they should be applied.

Two Minute Tips
  • Vibration Analysis

Maintenance Tips for Cooling Towers

View a few maintenance tips for protecting cooling towers and stopping any unplanned downtime with your equipment. Knowing the best detection technologies available today and how these can best be used, maintenance engineers can not only prevent failure but also significantly maximize machine uptime.

Two Minute Tips
  • Vibration Analysis

Gland Steam Fan Bearing Fault

One gland steam fan was running and the other was on standby. Gland steam fans should have dampers and rubber mounting under the base of the machine, but due to humidity...

  • Salah Attia
  • ALS Industrial
Case Studies and Stories
  • Condition Monitoring Management & AI

Duke Energy Takes Advantage of IIoT for Predictive Maintenance Applications

This case study investigates Duke Energy’s quest to replace its monthly, manual data collection practices with daily, remote data collection and monitoring.

  • Alex West
  • IHS Markit
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