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Energy Saving

14 March 2013

What is said to be world’s first IE4 synchronous reluctance motor and drive package (SynRM) from ABB has replaced an induction motor-based variable-speed drive package at South Staffs Water, resulting in an additional 6% energy saving.


The installation meant removing the existing drive and replacing it with an ABB drive, ACS850, featuring a more power- ful core processor that enables operation with the synchronous reluctance motor along with the next generation direct torque control (DTC), which avoids the need for encoders and speed feedback devices.

The SynRM has also resulted in a 75% reduction in audible noise: down from 78 dBA to 72.3 dBA when running at 1450rpm.
 
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