Important Considerations for Replacing and Sizing AC Motors

Every business is trying to conserve energy in the face of high utility costs, so getting the best return on investment (ROI) is critical...

Predicting vertical motor resonance

Vibration in rotating machinery is a leading cause of premature failure, costly downtime, and safety hazards. For operators of vertical motors, one of the...

Building on the Past to Create the Future

By Bryan Gehringer, NovaTech Utilities are facing an upcoming 2022 deadline from the North American Electric Reliability Corporation (NERC) to fully comply with an updated...

A New Paradigm for Rotating Equipment Safety and Profitability

FAT on a Conventional Control System Current control and monitoring solutions for rotating machinery tend to be overly complicated and can actually adversely affect the...

Modal Testing of Pump Bearing Housings

By Cliff Knight, KnightHawk Engineering Pumps are subject to many sources of excitation. If you are lucky you can avoid some of them, but some...

Maximizing power plant flexibility: Part 3 of 3

Miss part 2? Read it here. Over the first two parts of this series, we have illustrated how combined cycle power producer, or CCPP, operating...

Going Against the Current

The LDT Dosatron proportional dosing system is used for the dosing of coolant lubricants and its innovative design significantly increases the energy efficiency of...

Benefits of Permanently Installed Automatic Insulation Resistance (IR) Testing: Part 2...

In part 1 of this series, we noted how it is critical to know the electrical condition (IR) of the insulation in your equipment...

Addressing the Water-Energy Efficiency Nexus through Variable Frequency Drives

Today, critical processes in water, wastewater and irrigation activities jointly use more than 55 billion kilowatt-hours per year, according to estimates from the U.S....

Innovative Vibration Learning System

By Dr. Budhaditya Hazra, Liang Xu, and Dr. Suri Ganeriwala, SpectraQuest  With an increase in high-speed manufacturing and automation, it has become more important to...