July 2010Technical Topics: Wire-to-Shaft Efficiency: Variable Speed Electric Motors This article discusses the challenge of obtaining an accurate wire-to-shaft efficiency curve related to centrifugal pumps. Why is this so important? Because it’s impossible to accurately compute the energy consumption of a variable speed device without it. Authors: James B. (Burt) Rishel, P.E. Citation: ASHRAE Journal, vol. 52, no. 7, July 2010 Pages: 4 Publish Date: July 2010 Publisher: ASHRAE Free Download: Downloadable - ASHRAE-D-AJ10JulTT-20100701.pdf |