We all know that energy efficient motor use saves electricity and that converts to a reduction in carbon emissions. Adding adjustable speed drives is also a popular upgrade that can save even more energy on the right application. In addition to motor and drive replacement, the mechanical power transmission components can be optimized for energy efficiency which may reduce the amount of horsepower to drive the load. On the front end, energy efficient transformers and smart starters can be added and on the load side, perhaps more efficient pumps, fans and compressors. Use of process control to ensure plant processes are in harmony will save energy and increase productivity. But looking beyond simple component replacement will gain additional energy savings, improved reliability and productivity gains. However, more engineering redesign and benchmarking may be required to do so.
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