Why So Many Electric Motors Are Quietly Running Beyond Safe Limits
Over the past four years, we have seen an increase in field troubleshooting calls related to...
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Motor Testing
Best Practices for Electric Motor and VFD Inspection and Monitoring
Electric motors of all types remain the prime mover of industrial and commercial applications,...
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How to Diagnose High Shaft Current Motor Bearing Failures with ESA and MCSA
In some cases, diagnosing high shaft currents in electric machines requires additional testing. In...
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2025 NREL Wind Powertrain Meeting: AI, Bearings, and Reliability
This year, we participated in the NREL Wind Drivetrain Reliability Collaborative Workshop from...
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Partial Discharge Mechanisms: A Technical Deep Dive for VFD Motors
The article ‘Partial Discharge Explained: Causes, Effects, and Prevention generated a few...
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How Precision Alignment Can Transform Motor Reliability and Efficiency
By Howard Penrose and Eric Foreman As maintenance and reliability professionals, we know that...
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Overall Electrical Effectiveness: Key Metrics for Balanced Electrical Systems
Overall Electrical Effectiveness (OELE) is intended to drive behaviors that ensure the electrical...
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Partial Discharge Explained: Causes, Effects, and Prevention
Partial discharge is an electrical effect that, once upon a time, was only a concern for...
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How Misapplying IEEE 519 Affects Inverters and Harmonic Distortion
You are about to install a new variable frequency drive. The supply transformer is checked for...
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Bearing Fluting: Causes, Effects, and Prevention Strategies
Bearing fluting is a specific type of damage characterized by periodic, circumferential grooves...
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Electrical Signature Analysis Case Studies: From Detection to Resolution
There is often discussion about how soon faults can be detected by different technologies and...
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Harmonic Overload: Impacts Of High-Frequency Switching on Modern Electrical Systems
During the CIGRE Grid of the Future symposium and workshop, harmonics were recognized as a...
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