Rachel C. Fore, P.E., Electrical Engineer, HSMM, Roanoke, Va.

What Drives Drive Specifications?

Whatever the process, when electrical equipment malfunctions or cannot operate to keep pace with work demands, the result is lowered productivity. Analyzing it more carefully, the problem may be a result of limited capacity, aging or obsolete infrastructure, or poor power quality. When it comes to variable-frequency drives (VFDs), any of the above may apply.