Shaft Grounding — Fulfilling the Promise of Variable Frequency Drives


With the rising cost of energy, the use of variable frequency drives (VFDs) is growing at an increasing rate. By optimizing the frequency of a three-phase alternating-current (AC) induction motor’s voltage supply, a VFD controls the motor’s speed and torque while providing energy savings. And, these energy savings can be quite substantial —— 20% or more —— making VFDs a “green” solution as well as a wise money-saving investment.

However, in order to be truly “green,” a technology must be sustainable as well as energy efficient.

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Author: Adam Willwerth, Electro Static Technology  | File Type: PDF

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