Tag Archives: motor bearings

aegis-test-report-walmart-distribution-center-1Field Test Report: Shaft Voltage Testing on a Wal-Mart Distribution Center’s VFD-Driven, Conveyor Motors

ElectroStaticTech Field Test Report Shaft Voltage Testing Wal-Mart Distribution Center VFD Driven Conveyor Motors Purpose: 1. Assess the application of AEGIS™ Shaft Grounding Ring for protection of VFD Driven Motor bearings. 2. Identify presence of destructive shaft voltages that can … Continue reading

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aegis-preventing-vfd-ac-drive-induced-electrical-damage-to-ac-motor-bearings-1Preventing VFD/AC Drive Induced Electrical Damage To AC Motor Bearings

PREVENTING VFD/AC DRIVE INDUCED ELECTRICAL DAMAGE TO AC MOTOR BEARINGS Written by: William Oh, Engineer October 5, 2007 PREVENTING VFD/AC DRIVE INDUCED ELECTRICAL DAMAGE TO AC MOTOR BEARINGS EXECUTIVE SUMMARY: The use of variable-frequency drives (VFDs) to control AC motors … Continue reading

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