Howard Penrose
Howard W. Penrose, Ph.D., CMRP, CEM, CMVP, is president of MotorDoc® LLC, a Veteran-Owned Small Business. He chairs standards at American Clean Power (2022-25), previously led SMRP (2018), and has been active with IEEE since 1993. He represents the USA for CIGRE machine standards (2024-28) and serves on NEMA rail electrification standards (2024+). A former Senior Research Engineer at the University of Chicago, he’s a 5-time UAW-GM Quality Award winner. His work spans GM and John Deere hybrids, Navy machine repair, and high-temperature motors. He holds certifications in reliability, energy, M&V, and data science from Kennedy-Western, Stanford, Michigan, AWS, and IBM.
Posts by Howard Penrose
Supra Harmonics in VFD Systems: A New Frontier in Reliability Risk
Why So Many Electric Motors Are Quietly Running Beyond Safe Limits
Best Practices for Electric Motor and VFD Inspection and Monitoring
How to Diagnose High Shaft Current Motor Bearing Failures with ESA and MCSA
How Reliability Strategies Cut Compressed Air Energy Costs
2025 NREL Wind Powertrain Meeting: AI, Bearings, and Reliability
Your Predictive Maintenance Program Is Broken – Here’s How to Fix It
Partial Discharge Mechanisms: A Technical Deep Dive for VFD Motors
Single Axis vs. Triaxial Vibration Sensors: Which One Delivers Better Data?
How Precision Alignment Can Transform Motor Reliability and Efficiency
P-F Curve Fundamentals: Aligning Maintenance and Test Frequencies
Top 5 Rules for Accurate Vibration Sensor Placement and Setup
Partial Discharge Explained: Causes, Effects, and Prevention
How Misapplying IEEE 519 Affects Inverters and Harmonic Distortion
Electrical Signature Analysis Case Studies: From Detection to Resolution
Energy Efficiency Isn’t Simple: The Case for Smarter Applications
Harmonic Overload: Impacts Of High-Frequency Switching on Modern Electrical Systems
Grid Breaking Point: The True Cost of AI’s Energy Addiction
Voltage, Veterans, and Victory: Building an Engineering Legacy from Military Roots
Insulation Testing in Transition: The Reshaping of IEEE Standards 43 and P97
Examining Load Effects on ESA/MCSA and the Importance of Resolution
ESA vs MCSA: How Do They Compare in Electric Motor Diagnostics?
Case Study: An 800-HP Motor’s Fate After Two Years of Neglect