A product's efficiency is only part of the equation. Intelligent control can make much larger efficiency gains by switching off or turning down the load, says Steve Brambley of Gambica.
In motor-driven systems, a small decrease in speed can yield a large reduction in energy consumption. Used for power pumps, fans, compressors, conveyors, hoists and many other loads, electric motors consume 66% of industrial energy. In 2011, the Ecodesign directive introduced a mandatory minimum requirement, increasing the minimum efficiency standard for certain electric motors from…
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