--- title: Flex CT Overview description: This white paper describes what a Flex CT is, how it works, a brief developmental history, and how to use the Flex CT with PMI’s pq analyzers. image: https://library.powermonitors.com/hubfs/Blog_Posts/WP70/FlexCT-DOF1.png --- [![PMI\_Logo\_White\_Slogan](https://library.powermonitors.com/hs-fs/hubfs/Branding%20-%20Logos%20and%20Designs/PMI_Logo_White_Slogan.png?width=655&height=175&name=PMI_Logo_White_Slogan.png "PMI_Logo_White_Slogan")](https://powermonitors.com) [![PMI Logo: Tools you Need. People you Trust.](https://library.powermonitors.com/hubfs/PMI_Website/logo.svg "PMI Logo: Tools you Need. People you Trust.")](http://powermonitors.com) [![PMI Logo: Tools you Need. People you Trust.](https://library.powermonitors.com/hubfs/PMI_Website/logo.svg "PMI Logo: Tools you Need. 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[Join Our Team!](https://info.powermonitors.com/join-pmi) - [Receive our Newsletter](https://info.powermonitors.com/email-subscribe-page) - [PQ Resources](https://info.powermonitors.com/power-quality-resources) - [Power Quality Solutions](https://powermonitors.com/power-quality-solutions/) - [Who We Serve](https://powermonitors.com/sales-representatives/) - [Account](https://powermonitors.com/account/) This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. ![PMI-Logo-Phone-Site-2023-900px](https://library.powermonitors.com/hs-fs/hubfs/PMI-Logo-Phone-Site-2023-900px.png?width=113&name=PMI-Logo-Phone-Site-2023-900px.png "PMI-Logo-Phone-Site-2023-900px") # Flex CT Overview   |   , ## **Unlocking Accurate, Flexible Current Measurement with Flex CT Technology** This white paper explores the design, operation, and advantages of the Flex CT Rogowski coil-based flexible current transducer. It details the historical development, technical principles, measurement accuracy factors, and practical deployment of Flex CTs with PMI power quality analyzers, highlighting their superior performance in high-current and challenging installation environments. **Key topics include:** \- Introduction to Flex CT Technology \- History of the Rogowski Coil \- Technical Principles and Operation \- Measurement Accuracy and Coil Placement \- Flex CT Models and Specifications \- Comparison with Iron-Core Current Transformers \- Practical Application Guidelines **Why utilities should care:** Flex CTs offer precise, safe, and versatile current measurement in environments where traditional CTs are impractical. Their flexible design, high accuracy, wide dynamic range, and resistance to electromagnetic interference enable reliable monitoring and diagnostics for complex power systems. You may also enjoy...   - - - - ## Speakers ### [Alvin Rogers](https://library.powermonitors.com/flex-ct-overview#inline-content-1speakers)[Follow me on LinkedIn](https://www.linkedin.com/apex-alvinrogers) Director of Sales Omnicorp Alvin Rogers Director of Sales Omnicorp About Alvin Rogers Alvin Rogers is a highly accomplished and sought-after speaker, renowned for their expertise and captivating stage presence. With a diverse background in \[relevant field or industry\], they bring a wealth of knowledge and experience to every speaking engagement. Their dynamic and engaging style seamlessly combines powerful storytelling with actionable insights, leaving audiences inspired and equipped with practical strategies for success. Alvin has delivered impactful keynote addresses at prestigious conferences and corporate events worldwide, consistently receiving rave reviews for their ability to connect with and energize audiences. Whether addressing topics such as \[specific areas of expertise\], leadership, or innovation, Alvin is dedicated to empowering individuals and organizations to reach their full potential. [LinkedIn](https://www.linkedin.com/apex-alvinrogers) [Facebook](https://www.facebook.com/apex-alvinrogers) [Instagram](https://www.instagram.com/apex-alvinrogers) [Twitter](https://www.twitter.com/apex-alvinrogers) ### [Lisa Smith](https://library.powermonitors.com/flex-ct-overview#inline-content-2speakers)[Follow me on LinkedIn](https://www.linkedin.com/apex-lisasmith) Creative Director Megacorp Lisa Smith Creative Director Megacorp About Lisa Smith Lisa Smith is a highly accomplished and sought-after speaker, renowned for their expertise and captivating stage presence. With a diverse background in \[relevant field or industry\], they bring a wealth of knowledge and experience to every speaking engagement. Their dynamic and engaging style seamlessly combines powerful storytelling with actionable insights, leaving audiences inspired and equipped with practical strategies for success. Lisa has delivered impactful keynote addresses at prestigious conferences and corporate events worldwide, consistently receiving rave reviews for their ability to connect with and energize audiences. Whether addressing topics such as \[specific areas of expertise\], leadership, or innovation, Lisa is dedicated to empowering individuals and organizations to reach their full potential. [LinkedIn](https://www.linkedin.com/apex-lisasmith) [Facebook](https://www.facebook.com/apex-lisasmith) [Instagram](https://www.instagram.com/apex-lisasmith) [Twitter](https://www.twitter.com/apex-lisasmith) ### [James McGiven](https://library.powermonitors.com/flex-ct-overview#inline-content-3speakers)[Follow me on LinkedIn](https://www.linkedin.com/apex-jamesmcgiven) President Minicorp James McGiven President Minicorp About James McGiven James McGiven is a highly accomplished and sought-after speaker, renowned for their expertise and captivating stage presence. With a diverse background in \[relevant field or industry\], they bring a wealth of knowledge and experience to every speaking engagement. Their dynamic and engaging style seamlessly combines powerful storytelling with actionable insights, leaving audiences inspired and equipped with practical strategies for success. James has delivered impactful keynote addresses at prestigious conferences and corporate events worldwide, consistently receiving rave reviews for their ability to connect with and energize audiences. Whether addressing topics such as \[specific areas of expertise\], leadership, or innovation, James is dedicated to empowering individuals and organizations to reach their full potential. [LinkedIn](https://www.linkedin.com/apex-jamesmcgiven) [Facebook](https://www.facebook.com/apex-jamesmcgiven) [Instagram](https://www.instagram.com/apex-jamesmcgiven) [Twitter](https://www.twitter.com/apex-jamesmcgiven) Power Monitors, Inc. is an industry-leading product design and manufacturing firm based in Mt. Crawford, Virginia. PMI strives to solve power quality problems by listening to our customers and working with them to design and manufacture products. Total customer satisfaction is the primary goal of all PMI staff. Please browse our site or call us to learn more about PMI and how we can help meet your power monitoring needs.   800 N Main St Mt Crawford, VA 22841 | Toll Free 800.296.4120 | Fax 540.432.9430 | © 2025 Power Monitors, Inc. ###### Follow Us [Follow us on Facebook](https://www.facebook.com/powermonitors/) [Follow us on LinkedIn](https://www.linkedin.com/company/power-monitors) [Follow us on Twitter](https://twitter.com/powermonitors) [Follow us on Instagram](https://info.powermonitors.com/email-subscribe-page) - [Support](https://powermonitors.com/support) - [Library](https://library.powermonitors.com) - [Training](https://info.powermonitors.com/training) - [Contact](https://powermonitors.com/contact/) - [Products](https://powermonitors.com/products/) - [- Bolt](https://powermonitors.com/product/bolt/) - [- Revolution](https://powermonitors.com/product/revolution/) - [- Seeker](https://powermonitors.com/product/seeker/) - [- Guardian](https://powermonitors.com/product/guardian/) - [Careers](https://info.powermonitors.com/join-pmi) - [Terms and Conditions](https://powermonitors.com/terms-and-conditions/)