CRL 1-hr: Nov 7 Introduction to Uptime Elements Reliability Framework and Asset Management System

TRC-2018 Learning Session 21:35

by Glenn Eyler, EMCOR Government Services

The drive to go green and consume less energy, especially in facilities operation, has increased the regularity of variable frequency drive (VFD) installation to new and existing mechanical systems. The drive’s capability to adjust the speed of a motor on a mechanical reduces power consumption. By making VFDs more accessible and field serviceable, they have become a nearly standard, go-to choice for an assured return-on-investment in facilities energy conservation projects. It is important to know the harm the VFD can cause, how to diagnose it, and how to mitigate the damage it generates. These cost-saving, energy reducing benefits of VFDs come with one significant adverse effect on the induction motor’s roller element bearing: fluting! This presentation seeks to describe the fluting phenomena, the grooving damage created by the VFD, and the technology that has been developed to address it. There is no way to determine when this fluting will occur, but it absolutely will occur. At NASA’s Jet Propulsion Laboratory, we have a robust PT&I program that actually measured and recorded fluting after VFDs were installed on the facility before it even had a name. Our Vibration Analyst learned of fluting, and how to mitigate it, by installing a shaft grounding protection ring, from a Vibration Institute Conference in 2012. However, even after installing the protection ring on motors, we have continued to detect bearing failure. This failure led us to research available technology to validate the operation of the shaft grounding protection ring before and after installation. After researching viable ESD measuring devices, we selected the Electrostatic Discharge Pen. Based on documented PT&I finds here at JPL, this presentation will make the case that this pen is an affordable, rapidly responsive solution to discerning the arcing that occurs before its damage is done to the motor bearings.

banner
80% of Reliabilityweb.com newsletter subscribers report finding something used to improve their jobs on a regular basis.
Subscribers get exclusive content. Just released...MRO Best Practices Special Report - a $399 value!
DOWNLOAD NOW
Going Digital Means More Data for Decision Making: Are You Checking the Integrity of Your Data?

Going Digital Means More Data for Decision Making: Are You Checking the Integrity of Your Data?

The application of Industry 4.0 principles often involves the enhanced use of CMMS applications and the automation of data collection, all resulting in the world of Big Data.

Performance Analytics to Drive Maintenance Strategies

Performance Analytics to Drive Maintenance Strategies

Maintenance strategies are pivotal in keeping your asset portfolio operating at peak performance. Performance analytics can be built around leveraging this incredible power from your computer maintenance management system (CMMS).

Show Me The Money! Key Approaches for Forecasting Capital and O&M Needs

Show Me The Money! Key Approaches for Forecasting Capital and O&M Needs

All facilities and infrastructure assets deteriorate with time and use. To maintain the effectiveness and value of an asset, renewal work should be performed periodically, and when the asset has reached the end of its functional useful life, it should be replaced.

An End to the Hype: A Layered Fit for Purpose Approach to Analytics to Hit Your PM Goals Today

An End to the Hype: A Layered Fit for Purpose Approach to Analytics to Hit Your PM Goals Today

When it comes to everyday challenges in operations and maintenance, like improving PM (planned maintenance) completion rate, AI/ML (artificial intelligence/machine learning) is often relegated to experimental solutions to justify “big data” initiatives that eventually fail to deliver real value.

Upcoming Events

August 8 - August 10, 2023

Maximo World 2023

View all Events