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Energy Newsbriefs Blog

This current awareness service is prepared by the WSU Energy Program Library with funding from the U.S. Department of Energy State Energy Program. This information is provided for energy professionals and interested members of the public to highlight recent energy-related news, articles, and reports that discuss energy efficiency, energy conservation, and renewable sources of energy in engineering and policy circles.

 

Category: Motors/Drives

Motors/Drives


Motor Control Centers Enhance Smart Pumping Systems

Pumps & Systems, Mar. 2017, by Glynn Newby.
http://www.pumpsandsystems.com/motors-instrumentationcontrols/march-2017-motor-control-centers-enhance-smart-pumping-systems

"Modern motor control technologies have surfaced that address evolving smart pumping system requirements. They protect pumping systems by simultaneously providing a new level of diagnostics, energy awareness and control, as well as by enhancing operator safety."

Taming the Power-Hungry Beast [Motors in Ethanol Operations]

Ethanol Producer Magazine, Mar. 2017, by Ron Kotrba.
http://ethanolproducer.com/articles/14210/

"Updated regulations, motor industry advances promise efficiency improvements in the full range of electrical motors used in ethanol operations."

Enhanced Monitoring Improves Performance

Pumps & Systems, Mar. 2017, by Todd Loudin.
http://www.pumpsandsystems.com/instrumentationcontrols/march-2017-enhanced-monitoring-improves-performance

"IoT information allows end users to provide corrective action that serves a proactive purpose, rather than reactive."

Energy Efficiency: A Little Knowledge Goes a Long Way

Automation World, Mar. 2017, by James R. Koelsch.
https://www.automationworld.com/energy-management/energy-efficiency-little-knowledge-goes-long-way

"There has been a lot of talk in industry about energy efficiency in manufacturing facilities, but the realities of high cost and limited returns have stymied action. Some best practices, though, could tip cost calculations in favor of moving forward."

Energy Performance Comparison of Fans with Variable Speed Drives

ASHRAE Journal, Nov. 2016, by Armin Hauer.
http://bookstore.ashrae.biz/journal/download.php?file=2016Nov_052-059_Hauer.pdf

"Highly efficient air systems require precise fan selection and a method to adjust the fan performance to the Load. Fan supplier applications engineers are experienced in identifying the most suitable fan type and fan size for a specified application, whether the fan duty is fixed or continuously variable. Manufacturer-certified performance and electrical power consumption data support competitive performance contracts and ensure minimum energy consumption."


Energy Management Considerations With Today’s Drive Systems

Compressed Air Best Practices, Oct. 2016, by Michael Perlman.
http://www.airbestpractices.com/energy-manager/corporate-sustainability-programs/energy-management-considerations-today’s-drive-syst

"It is a fact that most of the energy loss in a system occurs in three areas, namely, the generation, distribution and conversion of energy into useful work, the last being accomplished through heat exchangers, pumps, motors and drives.  This paper will concentrate on the last product group."

How Do You Size a VFD?

Flow Control, Sept. 2016, by Jeff Bergman and Sean Fitzpatrick.
http://www.flowcontrolnetwork.com/how-you-size-vfd

"Confusion often surrounds the proper sizing of variable frequency drives (VFDs), and sometimes, knowing when and how to choose one may be difficult. Actually understanding what a VFD does might make this decision easier and the requirements less difficult to understand."

Tapping In to the Cost-Saving Power of VFDs

Business Energy, Sept/Oct. 2016, by Dan Rafter.
http://foresternetwork.com/business-energy-magazine/be-energy/be-energy-management/apping-in-to-the-cost-saving-power-of-vfds/

"What kind of difference can a variable frequency drive—better known as a VFD—make for a municipality? A significant one. Just look at the town of Mooresville in North Carolina, where a VFD developed by Eaton has not only boosted the energy efficiency of the municipal water treatment plant, but has also extended the life expectancy of a pair of new 800-horsepower pumps at the facility."

German [Wastewater] Plant Upgrades Drop Specific Energy Use by More Than 50 Percent

Pumps & Systems, Sept. 2016, by Erkki Lantto & Stefan Wilken.
http://www.pumpsandsystems.com/pumps/september-2016-german-plant-upgrades-drop-specific-energy-use-more-50-percent

"In the city of Sögel, Germany, one municipal wastewater plant employs turbocompressors to reduce its operating costs and cope with load fluctuations. The setup’s success comes from an advanced design with proven magnetic bearing technology and a high-speed motor. The plant treats domestic wastewater and industrial wastewater from nearby food industry factories."

Innovations in Motor Technology Spark Energy Efficiency

Business Energy, Jul/Aug 2016, by Patrick J. Piper.
http://foresternetwork.com/business-energy-magazine/be-energy/be-energy-efficiency/innovations-in-motor-technology-spark-energy-efficiency/

"With minimum efficiency regulations increasing two to three times every decade, the engineering preference to make motors more efficient is coming to the fore. Motor manufacturers have been trying to improve the efficiency of their motors for years, however there hasn’t been a new technology to rival ECM motors in efficiency and performance."
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