Water & Wastewater Asia Jul/Aug 2018

WATER & WASTEWATER ASIA July / August 2018 30 / FROM THE GROUND The Ruhstorfer Group water supply company in Germany was looking to reduce power consumption of the pump motors in their main pumping station. With the replacement of the original pumping system in 2016 and the commissioning of a new facility, energy consumption dropped by about 20 per cent By Bryan Orchard The Hart machine house is the centrepiece of the facilities of the Ruhstorfer Group. It employs pumps driven by synchronous reluctance motors capable of achieving optimum efficiencies even in part load operation The vertically installed in-line pumps from KSB’s Omega series can be connected to the DIN 300 piping system in a straight line — enabling a flow-optimised connection. Variable speed systems match the flow rate to the actual demand