Published - 20 July 2018 By Jeremy Giddings Variable speed drives — an energy saving option for irrigated horticulture A variable speed drive (VSD) is used to adjust a pump’s flow or pressure to the field requirements (actual demand). Adopting VSDs in irrigation was … Read More energy saving, horticulture, irrigation technology, NSW DPI, pumping efficiency, smarter irrigation, variable speed drive, VSD Home, Irrigation Systems, Resources