What the Large Motor Reliability Studies Actually Found and Why It Matters
One of the most frequently quoted studies related to electric motor reliability is a 1983 Electric...
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Motor Testing
Supra Harmonics in VFD Systems: A New Frontier in Reliability Risk
As part of a larger research and development project involving multiple industries and distributed...
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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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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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