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What is the Purpose of Minimum Flow?

Analysis of the limits of minimum flow and challenges which must be addressed

Revision Date:  9/10/2014

Tags:  Ekwestrel, Pump, Noise, Vibration, Flow Control

Power Plant Pumps Webinar - Hot Topic Hour September 11, 2014

For power plant pumps, discussion was the ability of variable speed drives to potentially save power companies billions of dollars. There is evidence that power plants can use this technology and avoid installing cooling towers to meet the 316(b) water intake rules.

Revision Date:  9/11/2014

Tags:  221112 - Fossil Fuel 化石燃料, 221112 - Fossil Fuel 化石燃料, WEG, Ekwestrel, McIlvaine, Variable Frequency Drive, Water Intakes, Pump, 316(b), Energy Efficiency

Purpose of Minimum Flow by Randal Ferman, EKWESTREL - Hot Topic Hour September 11, 2014

Randal Ferman of EKWESTREL discussed the purpose of identifying “minimum flow:” 1) The lowest continuous flow the pump is permitted to operate, 2) Without reference to a specific vibration limit or other criteria, 3) The ‘default’ pump manufacturer’s recommendation. The main purposes of minimum flow are to establish permissible vibration and impeller cavitation erosion life.

Revision Date:  9/11/2014

Tags:  221112 - Fossil Fuel 化石燃料, 221112 - Fossil Fuel 化石燃料, Ekwestrel, Pump, Noise, Vibration