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Restricted Earth Fault (REF) Protection Basics | Example Using the SEL-487E Protective Relay
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Power System Protection and Control - Restricted Earth Fault (REF) Protection Basics | Example Using the SEL-487E Protective Relay

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  • 9 hours of video
  • Certificate of completion
  • Access on mobile and TV

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Transformer Protection Online Course: https://www.romeroengineering.co/courses-power-system-protection-transformer-protection Online Courses: https://www.romeroengineering.co/courses Download our free 28-page power system protection fundamentals text-based course: https://www.romeroengineering.co/protection-and-control-fundamentals In this video we go over how restricted earth fault (REF) protection works using the SEL-487E protective relay as an example. 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 01:22 Intro to Restricted Earth Fault (REF) protection elements 04:28 REF element in the SEL-487E protective relay 07:04 REF protection example in the SEL-487E protective relay 15:27 Outro

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