An Archimedean Screw Saves 8.2% Energy

Severn Trent Water are saving 14 tonnes of CO2 per annum by applying an inverter to an Archimedean Screw. Blaise Ford from IDS worked with Bill Edwards and Lee Tuckwell from Severn Trent Water, to apply inverter technology to an Archimedean Screw. At the Severn Trent Water Netheridge site there are three Archimedes screws, Duty/Assist/Stand-by, 110kW, star delta starting with two 20 year old motors and a recently installed IE3 motor on screw Pump No1….