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Magnetec articles

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Inductive absorbers address VFD circulating current issues

A problem concerning all motors with VFDs , also known as inverter output, is bearing damage and circulating current caused by high-frequency current, resulting in pitting, frosting, fluting, lubrication breakdown and bearing destruction. Filtering out the damaging current before it reaches the motor, Magnetec's CoolBLUE inductive absorbers reduce transient voltages, straight capacitive currents and common-mode currents.
22nd May 2015

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