On January 22, 2015, Hydraulic Institute and Pump Systems Matter will conduct opening session of 3-part webinar series on Variable Speed Drives. In addition to explaining how VSDs can be used to accommodate duty cycles with variable flow and head, as well as which applications to avoid, series will discuss energy optimization, life cycle reduction, single-phase to three-phase power conversion, and inrush current reduction. Sessions 2 and 3 will take place Jan 27 and Jan 29.