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In this video, Andy from Aaki Corp continues the exploration of induction motor cross-sections, focusing on the impact of variable frequency drives (VFDs) on motor shaft voltages. Learn how VFDs, using technologies like IGBTs, alter the sine wave and affect the motor's performance. Discover the challenges of capacitive coupling and induced eddy currents on the rotor, leading to unpredictable voltages. Understand how these voltages, when coupled with bearing configurations, can cause electrical discharge machining, damaging bearings over time. Explore the concept of motor shaft grounding modules as a solution to protect bearings from these damaging voltages. Chapter 1: [0:36] Induction Motor History Chapter 2: [1:00] Variable Frequency Drive Chapter 3: [3:50] VFD Voltages Feed into Motor Chapter 4: [5:09] Capacitive Coupling Chapter 5: [6:51] Positive Shaft Voltage, Negative Outer Race Voltage Chapter 6: [8:38] Solution - Motor Shaft Grounding Email us at [email protected] Get info on industrial motor shaft grounding: https://www.aaki.ca/product-category/motor... Stay connected with us! LinkedIn: https://www.linkedin.com/company/aaki-corp/ Facebook: https://www.facebook.com/people/Aaki-Corp/...