---
name: Howard Penrose
slug: howard-penrose
url: /authors/howard-penrose/page/2/index.md
linkedinUrl: "https://www.linkedin.com/in/motordoc/"
websiteUrl: "https://motordoc.com/"
page: 2
pageCount: 2
---

# Howard Penrose

## Posts

- [Supra Harmonics in VFD Systems: A New Frontier in Reliability Risk](/topics/articles/supra-harmonics-in-vfd-systems-reliability-risk/index.md) (2025-03-29)
- [Why So Many Electric Motors Are Quietly Running Beyond Safe Limits](/topics/articles/electric-motors-are-running-beyond-safe-limits/index.md) (2025-03-26)
- [Best Practices for Electric Motor and VFD Inspection and Monitoring](/topics/articles/best-practices-for-electric-motor-and-vfd-inspection-and-monitoring/index.md) (2025-03-22)
- [How to Diagnose High Shaft Current Motor Bearing Failures with ESA and MCSA](/topics/articles/diagnose-high-shaft-current-motor-bearing-failures-esa-mcsa/index.md) (2025-03-15)
- [How Reliability Strategies Cut Compressed Air Energy Costs](/topics/articles/reliability-strategies-compressed-air-energy-costs/index.md) (2025-03-04)
- [2025 NREL Wind Powertrain Meeting: AI, Bearings, and Reliability](/topics/articles/2025-nrel-wind-powertrain-meeting-ai-bearings-and-reliability/index.md) (2025-02-21)
- [Your Predictive Maintenance Program Is Broken – Here’s How to Fix It](/topics/articles/predictive-maintenance-program/index.md) (2025-02-15)
- [Partial Discharge Mechanisms: A Technical Deep Dive for VFD Motors](/topics/articles/partial-discharge-vfd-motors/index.md) (2025-02-06)
- [Single Axis vs. Triaxial Vibration Sensors: Which One Delivers Better Data?](/topics/articles/single-axis-vs-triaxial-vibration-sensors-data/index.md) (2025-01-30)
- [How Precision Alignment Can Transform Motor Reliability and Efficiency](/topics/articles/precision-alignment-motor-reliability/index.md) (2025-01-28)
- [P-F Curve Fundamentals: Aligning Maintenance and Test Frequencies](/topics/articles/p-f-curve-maintenance-test-frequencies/index.md) (2025-01-21)
- [Top 5 Rules for Accurate Vibration Sensor Placement and Setup](/topics/articles/vibration-sensor-placement/index.md) (2025-01-07)
- [Partial Discharge Explained: Causes, Effects, and Prevention](/topics/articles/partial-discharge/index.md) (2024-12-22)
- [How Misapplying IEEE 519 Affects Inverters and Harmonic Distortion](/topics/articles/misapplying-ieee-519/index.md) (2024-12-14)
- [Electrical Signature Analysis Case Studies: From Detection to Resolution](/topics/articles/electrical-signature-analysis-case-studies/index.md) (2024-12-07)
- [Energy Efficiency Isn’t Simple: The Case for Smarter Applications](/topics/articles/energy-efficiency/index.md) (2024-12-01)
- [Harmonic Overload: Impacts Of High-Frequency Switching on Modern Electrical Systems](/topics/articles/harmonic-overload-electrical-systems/index.md) (2024-11-26)
- [Grid Breaking Point: The True Cost of AI’s Energy Addiction](/topics/articles/grid-breaking-point-ai/index.md) (2024-11-16)
- [Voltage, Veterans, and Victory: Building an Engineering Legacy from Military Roots](/topics/articles/voltage-veterans/index.md) (2024-11-10)
- [Insulation Testing in Transition: The Reshaping of IEEE Standards 43 and P97](/topics/articles/insulation-testing-ieee-standards-43-and-p97/index.md) (2024-11-01)
- [Examining Load Effects on ESA/MCSA and the Importance of Resolution](/topics/articles/load-effects-on-esa-mcsa/index.md) (2024-10-25)
- [ESA vs MCSA: How Do They Compare in Electric Motor Diagnostics?](/topics/articles/esa-vs-mcsa/index.md) (2024-10-20)
- [Case Study: An 800-HP Motor’s Fate After Two Years of Neglect](/topics/articles/800-hp-motor-neglect/index.md) (2024-10-15)

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