Commercial and Industrial Power System Losses and Mitigation through Neutral and Ground

Even in discussions related to power harmonics most engineers, let alone reliability and energy professionals, understand the potential losses through the system. When it comes to harmonic content in neutral and ground in single and three phase systems, and the related losses, there has been limited attention...

Howard Penrose
MotorDoc LLC

Case Studies and Stories

Ultrasound
Vibration Analysis

Avoiding Unplanned Downtime: Online Monitor of Critical Bearings

Keeping a close eye on the condition of critical equipment is fundamental in any industrial facility. When critical bearings fail, it almost always leads to unplanned downtime and interrupted production process, costing companies thousands in production loses. In this case study we will look at how an online monitoring solution using ultrasonic sensors was able to detect an issue on a critical bearing before it turned into a big problem.

Peter Boon
UE Systems Inc.

Five Minute Facts

Vibration Analysis

Does Your Maintenance Program Need Maintenance?

A “good” maintenance program involves keeping equipment in peak condition and mitigating failure. Getting to this result takes the proper balance of strategies, people, and resources. Mark Frogley explains...

Mark Frogley
Acoem USA

Two Minute Tips

Vibration Analysis

MEMS Accelerometers and Yearly Calibration

A handheld portable vibration data collector typically uses a piezoelectric sensor. Normally this would require a calibration every year or two, as a piezo crystal output can drift over time. MEMS (Micro-electromechanical systems) accelerometers do not require recalibration every year which make it ideal for use in a wireless vibration sensor. Why is this?

Alan McCall
Sensoteq

Five Minute Facts

Vibration Analysis

Safety Barrier and Intrinsically Safe Accelerometer Compatibility

What is the purpose of the safety barrier? Peter Eitnier describes what goes into a safety barrier, what it prevents, and it's maximum limits it can handle to retain safety.

Peter Eitnier
Wilcoxon Sensing Technologies

Articles

Lubrication
Vibration Analysis

Systems Energy and Emissions Analysis with Electrical Signature Analysis

There are several ways to view the impact of maintenance practices using ESA and electrical measurements, the first is the use of simple overall kilowatt readings from a power analyzer or relay monitoring system; the second is the before and after readings from an ESA device that identifies kilowatt data by defect.