Drives and Controls Magazine
IE5 synchronous reluctance motors can halve losses
Published:  17 April, 2020

ABB has announced that its SynRM synchronous reluctance motors now comply with the IEC’s new IE5 ultra-premium energy efficiency class, with energy losses that are up to 50% lower than those of IE2 induction machines. ABB introduced the SynRM technology in 2011 and applications have demonstrated energy savings of up to 25%.

The SynRM technology combines the performance of permanent magnets with the simplicity and ease of servicing of induction motors. They do not contain rare earth materials, and operate with low bearing and winding temperatures for enhanced reliability and long service lives. They are also claimed to cut noise levels.

The motors now meet the requirements of the IE5 efficiency class as defined in IEC TS 60034-30-2. They are available with output powers of 5.5–315kW, in IEC frame sizes 132-315.

“Climate change and environmental responsibility are driving huge changes across all industries”, says Tero Helpio, global product manager for IEC LV motors at ABB Motion. “We have responded to this challenge with our IE5 ultra-premium motors that meet the most stringent energy efficiency standards. These motors offer industrial users a great opportunity to reduce their electricity usage and reduce CO2 emissions, while also benefiting from increased productivity and lower lifecycle costs.”

ABB says that its IE5 synchronous reluctance motors exhibit half the losses of IE2 induction machines

ABB says that the SynRM motors offer accurate control and high efficiencies across their whole speed range, even at partial loads. This makes them ideal upgrades for standard induction motors in pump, fan and compressor applications, as well as in more demanding applications such as extruders, winches and conveyors. The motors can replace induction machines easily because they have the same size and output power, and do not need any mechanical modifications.