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- Electrical Basics

Testing Your Insulation Can Save Your Motors

Published Thursday, August 01, 2002

Insulation resistance testing is a simple yet critical preventive measure that can significantly lower your maintenance costs. You may be familiar with the role insulation resistance testing plays in cable maintenance, but do you realize it can help you prevent untimely motor failures, too? Not only is motor insulation susceptible to excessive temperature, moisture, dirt, corrosive vapors, vibration, oil, and aging, but it must also survive spikes from VFDs and normal inrush current. A consistent insulation resistance testing program provides considerable savings and increases uptime.

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in this issue

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