Variable Frequency Devices 101

Learn how variable frequency drives (VFDs) control motor speeds by adjusting the frequency of the power supply, offering efficiency and flexibility for various industrial applications.

Last updated November 18, 2024
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About the video

This lesson explains the fundamentals of variable frequency drives (VFDs), devices that control the speed of industrial motors by adjusting the frequency of the power supply. You’ll learn about the components of a VFD, including the converter, DC bus, and inverter sections, and how they convert AC power to DC and back to adjustable AC. The video demonstrates how VFDs enable precise motor speed control, crucial for applications like fans, pumps, and conveyors. Additionally, the lesson covers the differences between variable torque and constant torque loads, highlighting the significant energy savings achievable with variable torque applications. By understanding VFDs, you gain insight into their role in enhancing motor performance and efficiency in industrial settings. To get started, go to the Lesson Content tab and click on the video.

About the quiz

Each lesson contains a video, and is followed up with a simple quiz. Quizzes review information discussed within the video, with each question providing an answer justification. Helping to reinforce correct answers and helps clarify any mistakes through code citations, excerpts, and explanations, so you can better understand the material.

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Lesson Content

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Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.
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