Latest Motors Articles

Last year, a Pumps & Systems reader asked about matching variable frequency drives (VFDs) and motors.

Equipment and technology improvements can be sound investments.
In the food industry, stainless steel performs more productively and efficiently.
A simple mathematical model can be used to estimate vibration at the top of the motor in a vertical pump-motor structure.
Understanding resonance is essential for solving problems of increased vibration.
The biggest decision is determining which tolerances to align.
Cost-effective solutions reduce harmonics and improve system reliability, efficiency.
The benefits of these motors provide the flexibility needed for challenging pump applications.
Electric motors have had a huge impact on the pump industry.
Improved motor starters help Fabri-Kal achieve its green vision.

Bigger is better — or at least it used to be

For the first time, the United States Department of Energy (DOE) adopted energy conservation standards for small electric motors in February 2010.

The SI system is the modern day version of the metric system, and the U.S. gets a lot of grief for not embracing its inherent transportability across international boundaries.

A large wastewater processing plant experienced continual problems with its influent raw wastewater pumps for several years.

Because operational costs ride on efficiency determinations, accurate measurements of losses occurring within the motor are paramount. The reliability of efficiency data is key to any energy-savings plan, and knowing the meaning behind the rating can make or break a smart purchasing decision.

Significant energy and money savings are realized when using variable speed motors controlled with drives.

This three part primer is a basic introduction to AC power for those in the pump industry who need a place to start. It will also provide several web references to access if you would like to further your understanding of this interesting and essential topic.

Mechanical resonance occurs when an external source amplifies the vibration level of a mass or structure at its natural frequency.

Owing partly to tradition, the shafts of electric motors are often larger than those of the equipment they drive.

In the past year, the rate of acceleration in the cost of raw materials (including steel, iron ore, copper and aluminum) has reached unprecedented levels in the pump and rotating equipment industries.

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