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Download our free 28-page power system protection fundamentals text-based course: https://www.romeroengineering.co/protection-and-control-fundamentals Online Courses: https://www.romeroengineering.co/courses In this video we discuss how reverse power protection works using the SEL-751A protection relay as an example. We discuss the importance of CT and relay polarity and how to convert primary power quantities into secondary quantities. Sign up to our online course subscription at: https://www.romeroengineering.co/offers/FRPvBQDG/checkout Book a one-on-one training session with Ricardo: https://www.romeroengineering.co/offers/ZEo7VkVz/checkout 00:00 Intro 00:17 Introduction to reverse power protection and power elements 01:07 Determining the CT polarity 02:28 Determining the relay terminal polarity 04:24 Reverse power protection example using the SEL-751A protection relay
