There are numerous factors to consider to ensure the best performance with this technology.
Facilities predominantly using these drives may face concern from power utility companies.
An influent pump station in Washington incorporated control technology that improved system efficiency and energy savings.
The changing landscape of hydraulic drives is leading many fluid power specialists to quickly adapt to VSDs.
Motor Horsepower & Torque Versus VFD Frequency
My January 2013 Pumps & Systems’ column focused on the reduction in motor horsepower (HP) as frequency is reduced by a variable frequency drive (VFD). I had several requests to revisit this...
Users should consider system changes to comply with the new EISA standard.
Additional equipment and built-in technology move these drives into new applications.
Discharges flowing through the bearings put motors at risk.
To ensure the best system setup, end users must first consider operating conditions, then conduct thorough cost-benefit calculations.
Q. What are the best materials to use in pump construction to minimize part corrosion? A. Factors to consider in the selection of materials for wetted pump components include user's experience,...
Bladder pressure tanks and irrigation systems are prime examples of how lead-lag systems, complete with motor controls, can meet high demand and reduce equipment wear.
Follow this guide to properly align and install vertical turbine pumps.
As the debate over the pipeline’s future continues, Siemens and TransCanada celebrate six years of collaboration on an advanced oil & gas monitoring system.
Q. Can rotary type pumps be used to pump slurries? If so, should users be aware of any special precautions? A. Rotary pumps may be used to transfer slurries when the application dictates....
The value-added services that IoT technology provides could transform the pump industry.
Motor systems that are designed as entire packages are more reliable and affordable.
Eddy current drives offer a cost-effective alternative to VFDs.
The Benton/Washington Regional Public Water Authority saved on energy costs and gave dependable service to its customers after replacement.
VFDs and sensorless technologies are often the best solution for controlling and protecting a centrifugal pump system against failure.
Q. Are the pump motors special for VFD operation or can any motor be used with a VFD? A. Yes. Today there are special motors that are rated to be used with a VFD. They are commonly called...
These are the questions and answers from the session following the Baldor-sponsored Pumps & Systems webinar "Water Pump System Upgrades: An innovative high horsepower / low speed solution," which...
An energy efficiency and reliability study helped one plant save $1 million annually by avoiding downtime.
Price, operating costs and reliability are key factors in any TCO calculation.
Price, operating costs and reliability are key factors in any TCO calculation.
A VFD and a permanent magnet, direct-drive motor replace a gearbox, reduce maintenance costs and provide energy savings.
Ease of installation, improved algorithms, enhanced displays, onboard communication and other technology make VFDs an ideal and cost-effective solution.
Advanced VFD technology delivers cost and space savings by providing protective features and minimal programming.
A dewatering facility brings a centrifuge up to speed slowly, meeting the long acceleration time requirement.
Motor control centers, PLCs and VFDs improve uptime and data management to keep pipeline stocks moving.
Last year, a Pumps & Systems reader asked about matching variable frequency drives (VFDs) and motors. “I have a spare pump in my warehouse that requires 15 horsepower (HP) at best efficiency...