There should be no doubt that motors are becoming more efficient by government regulation and the use of variable frequency drives (VFDs). Obviously, using a more efficient motor and running it at a reduced speed makes some applications more efficient.According to the U.S. Department of Energy, electric motors are the biggest end use of electricity in the United States. In manufacturing, motors account for more than 50% of electricity consumption on machines driving fans, pumps, conveyors, compressors, grinders and mixers.However, improper selection and maintenance of these motors can lead to inefficiencies, unnecessary energy consumption and related costs. Because of…
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