Motion Amplification Helped Diagnose This Vertical Treated Water Pump
This case study shows some of the capabilities of motion amplification technology. This vertical treated water pump was experiencing high vibration, and high lateral motion in line with the suction and discharge piping at the top of the motor when running at around 72%. We decided to take some video footage...
- Andrew Gale
- Optical Motion Technologies
Electrical Signature Analysis Performed on Vertical Turbine Pump Motors in Municipal Application
Originally put into operation in 1999, Pump Station P-19A supplies drinking water to the City of Henderson, which is the second largest city in Nevada. In January 2015, Motor 5 exhibited signs of overheating...
- Bill Kruger
- ALL-TEST Pro
Diagnosing and Correcting Resonance in a Vertical Seawater Pump
This case involves a vertical cooling seawater pump in a power plant. The speed is 600 rpm, and it had no noise or operational issues. The current was normal, but they received…
- Ali Al-Shurafa
- Saudi Aramco
Gas Turbine Alignment in Less Than an Hour
TransCanada Turbines Test Cell repairs and services gas turbines in a unique test facility. The turbines are used primarily for compression, power generation and marine applications. After repair and servicing, the Test Cell undertakes performance tests of the turbines...
- Grant Dennler
Large Electric Motor Reliability: What Did the Studies Really Say?
One of the most frequently quoted studies related to electric motor reliability is a 1983 Electric Power Research Institute (EPRI) project performed by General Electric...
- Howard Penrose
- MotorDoc LLC
Selecting Vibration Sensors
Selecting the best accelerometer for a specific predictive maintenance application can be a daunting task – even for the most seasoned walk-around warrior…
- Meredith Christman
- PCB Piezotronics
A Hoist Application in the Mining Industry
A hoist or winder is a mission critical application found in underground mines. The hoist is used either to transport ore to the surface or personnel to or from the mine shaft. There are three types of hoists...
- Tim Sundstrom
- SPM Instrument
Shaft Alignment Know-How: What’s Misalignment?
Misalignment means you have too much offset and angularity...