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What is a drive?

Electric motors play a very important role in our everyday businesses and lives. They move and run basically everything we need for business or pleasure. All these motors use electricity. Controlling the way motors use electricity not only helps you save energy, but also reduce scrap and maintenance costs. This motor control comes in technology we call AC drives (also known as variable speed drives (VSD) or variable frequency drives (VFD). But how do variable speed drives work? This video provides a not-too-technical explanation.