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.

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Latest video coverage from EASA 2011

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.

After spending money on a powerful new pump and the motor to run it, the next big decision is how to connect the two in a way that maximizes their efficiencies and protects them from normal wear and tear.

The industrial motor world has a new specification available for defining the requirements of general purpose, severe duty motors in the 250- to 3,000-hp range.

Due to the delicate nature of the cranberry, pump failure is not an option.

The U.S. has not enacted a wide-reaching, industrial energy efficiency bill since 1992 when the Energy Efficiency Policy Act was passed.

Water and wastewater systems in the United States use a tremendous amount of power.

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.

An argument in favor of IEEE-841's provision for motor bearing protection.

A paper or an electronic work order system can be used to capture alignment data.

Why and how do leading OEMs choose a variable speed motor for their equipment?

I received many comments on my four-part series on AC Power, and most of them were very positive.

With highly reliable electrical systems, protective relays may be called upon to operate very infrequently.

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