Author: Howard Penrose

What the Large Motor Reliability Studies Actually Found and Why It Matters

Posted by Howard Penrose | Apr 12, 2025 | Articles, Energy Management, Maintenance and Reliability, Motor Testing

One of the most frequently quoted studies related to electric motor reliability is a 1983 Electric...

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Supra Harmonics in VFD Systems: A New Frontier in Reliability Risk

Posted by Howard Penrose | Mar 29, 2025 | Articles, Energy Management, Maintenance and Reliability, Motor Testing

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

Posted by Howard Penrose | Mar 26, 2025 | Articles, Energy Management, Maintenance and Reliability, Motor Testing

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

Posted by Howard Penrose | Mar 22, 2025 | Articles, Maintenance and Reliability, Motor Testing, Predictive Maintenance

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

Posted by Howard Penrose | Mar 15, 2025 | Articles, Bearings, Maintenance and Reliability, Motor Testing, Predictive Maintenance

In some cases, diagnosing high shaft currents in electric machines requires additional testing. In...

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