Case Studies and Stories
Sub-Synchronous Vibration and Compressor Rotor Instability
In May 2015, a K-3603 HHP BOG compressor tripped on high-high radial vibration, exceeding trip setting 83 μm peak to peak as the compressor discharge pressure increased to 68 bars.
- Ahmad Fadzli
- MLNG Sdn. Bhd.
Case Studies and Stories
MCEmax Finds High Resistance Connection
Listen to Noah Bethel and Todd Gunderson as they explain how the MCEMax was used to identify a High Resistance Connection in one motor and an AirGap issue in another...
Case Studies and Stories
In-Rush/Start-Up Current Test Prevents Catastrophic Failure
The In-Rush/Start-up test was designed to look at the in-rush and decay of current during a direct start. In this case study, we evaluate the answer as it applies to a utility company...
- Noah Bethel
- PdMA Corporation
10 Minute Talk
An Integrated Approach to Process Condition Monitoring
This presentation discusses the benefits of bridging process monitoring and condition-based monitoring (CBM) as a necessary part of reducing production time, cost, related material, and energy consumption's which positively impact the bottom-line...
- Bob Miller
- IVC Technologies
Articles
Historical Condition Information Provides Evidence for Benefits of Condition Based Maintenance
The goal of equipment condition monitoring is to increase equipment availability, increase product yield and quality, and reduce maintenance cost by...
- Forrest Pardue
- 24/7
White Papers
Evaluating Wave Files to Determine the Severity of the Ultrasonic Emissions
We are often asked at which voltages and on what type of equipment is ultrasound most effective... The answer is not simple since it often depends on the individual asking the question...
Case Studies and Stories
Energized Motor Testing Reveals Improper VFD Settings
This 55-kilowatt, 400-volt motor is controlled by a variable frequency drive (VFD). This motor drives the centrifugal fan that sends air into a natural gas combustion burner...
- Ettore Di Pasquale
- ALL-TEST PRO
Case Studies and Stories
What is 3 Minutes of Motor Testing Worth to You?
A motor distributor in the Netherlands provided a 17 Kilowatt, 400-Volt motor to a local hospital in 2015. The hospital rented a portable crane to install the motor onto the roof of the building. The motor is used to operate a fan that is mounted on the hospital’s roof...
- Richard Scott
- ALL-TEST PRO
Case Studies and Stories
Deep Well Vertical Pump Analysis using Electrical Signature Analysis (ESA)
There are many advantages that vertical pumps provide over horizontally mounted pumps and when they operate properly they generally provide many years of reliable, maintenance free operation. However, in almost any plant with a large inventory of vertical pumps they will have one or more of these pumps that are considered “bad actors”...
