Additional equipment and built-in technology move these drives into new applications.
A VFD and a permanent magnet, direct-drive motor replace a gearbox, reduce maintenance costs and provide energy savings.
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,...
Price, operating costs and reliability are key factors in any TCO calculation.
Price, operating costs and reliability are key factors in any TCO calculation.
The value-added services that IoT technology provides could transform the pump industry.
Discharges flowing through the bearings put motors at risk.
Ease of installation, improved algorithms, enhanced displays, onboard communication and other technology make VFDs an ideal and cost-effective solution.
Motor systems that are designed as entire packages are more reliable and affordable.
An energy efficiency and reliability study helped one plant save $1 million annually by avoiding downtime.
To ensure the best system setup, end users must first consider operating conditions, then conduct thorough cost-benefit calculations.
As the debate over the pipeline’s future continues, Siemens and TransCanada celebrate six years of collaboration on an advanced oil & gas monitoring system.
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...
A shaft grounding ring and ceramic insulation can improve motor bearing life when VFDs are used.
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...
Motor control centers, PLCs and VFDs improve uptime and data management to keep pipeline stocks moving.
The Benton/Washington Regional Public Water Authority saved on energy costs and gave dependable service to its customers after replacement.
On-Line Vibration Analysis Versus Vibration Trending
Vibration monitoring can be an early warning of problems developing inside rotating machinery. As companies migrate from a passive run-to-failure approach to a proactive/preventive maintenance method,...
Pipe-Fill, Broken Pipe and Under-Load Detection
Variable frequency drive (VFD) systems help reduce energy consumption and provide smart control of the system with the integration of a pressure transducer to regulate constant pressure. To run a...
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....
VFDs and sensorless technologies are often the best solution for controlling and protecting a centrifugal pump system against failure.
Follow this guide to properly align and install vertical turbine pumps.
The changing landscape of hydraulic drives is leading many fluid power specialists to quickly adapt to VSDs.
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.
Users should consider system changes to comply with the new EISA standard.
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...
Eddy current drives offer a cost-effective alternative to VFDs.
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.
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...