What your electrical system isn’t telling you

Installing a variable speed drive (VSD) on applications such as pumps and fans is proven to cut energy use. Yet many motor-driven systems are far less efficient than they should be. ABB’s Martin Richardson explains the reasons why – and outlines the steps that can be taken to get efficiency back on track. Installing a VSD on variable torque applications such as pumps and fans is proven to realise incredible savings – between 20 and…