Electric motor systems with variable frequency drives (VFDs) are becoming more common in large industrial systems because VFDs provide higher system efficiency, greater operational flexibility, im
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When thinking of a food manufacturing facility, many people may envision a lockdown area in which all personnel must wear full-body decontamination suits and where every internal surface of the fa
Because of advanced control capability and potential energy savings, the use of adjustable frequency drives (AFDs) for motor control is expanding rapidly throughout many industries and environment
In the industrial sector, cost is often the driving force when evaluating capital projects.
Intelligent motor control centers (MCCs) provide the data to support safe, reliable and more efficient operations, making information available for process monitoring, advanced diagnostics and pre
I hope that my last column (Pumps & Systems, September 2014) provided a clea
Many industries use variable frequency drives (VFDs) with induction motors. Introduced in the 1960s, VFD technology has advanced considerably during the past 50 years.
Q. Are the pump motors special for VFD operation or can any motor be used with a VFD?
Located in one of the fastest growing regions in the U.S., the Benton/Washington Regional Public Water Authority (BWRPWA) broke ground in 1996 for a water treatment facility serving northwest Arka
Inexperienced vibration analysts encounter a common problem: They are often expected to learn too much, too fast.
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For those of you old enough to remember Lawrence Welk, you’ll notice that the title of this brief column is the final quote from his show’s closing song. I am still a loyal fan of his reruns today.
In this two-part series, how transient events in process equipment affect other system components will be discussed. Part 1 covers how deaerators (DAs) may be affected by generator trips and how these deaerator transients may also affect system pumps.
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In 2014, this column focused on improving the operation of piping systems by performing pumped system assessments. The columns have covered energy cost balance sheets, the assessment process and the performance of sample assessments.