Control Panel Cooling Technique for Wastewater Pumping Systems

Enclosure cooling units offer a straightforward active-cooling technique for pump control panels, however, they are not necessarily the best choice for all installation locations....

The power of severe-duty motors

Severe-duty motors are designed to withstand the most demanding operational conditions, where extreme environments challenge equipment performance and longevity. Industries such as oil and...

Continuous “Hands Off” Insulation Resistance Testing of Critical Motors

For decades, plant personnel have performed insulation resistance tests with handheld megohmmeters to prevent motor failures that lead to costly unplanned shutdowns, penalties, and...

More Sustainable Pumping Using Permanent Magnet Motor Technology: Part 2 of...

Read part 1 here. In part one of this series, we discussed some of the many factors that can improve return-on-investment (ROI) time, increase sustainability,...

Spreading The Word On Oil Mist Lubrication: Part 1

Since its introduction as a plant-wide lubrication method in the United States, oil mist lubrication has been extended to over 100,000 process pumps and...

Intelligent Pumping Means Efficient Motor Use

Pump users are asking for greater efficiency and more integrated solutions from both their pumps and motors, and Grundfos constantly strives to make its...

To Succeed, Control Your Speed

By Mark Harshman, Siemens Medium voltage variable frequency drives (VFDs) are often the best choice to capitalize on opportunities to significantly reduce the operating and...

Maximum Results from Mini Drive

Equipment manufacturers seeking to give induction motors a selectable scalar (V/F) or voltage vector control (VVW) now have a new solution at their fingertips....

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...

Drive-based Functional Safety: Part 2 of 3

Under the directives, national and regional laws, end users, machine builders, and system integrators are generally responsible for safety of machines and systems. The...