Power System Protection and Control - Harmonic Restraint vs. Harmonic Blocking in Transformer Differential Protection | SEL-487E Example

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9 hours of video
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Keywords

Romero Engineering Company Protective Relay SEL Relay Power System Protection Power Engineering Transformer Protection Differential Protection SEL-487E

Full Transcript

Online Courses: https://www.romeroengineering.co/courses Check out our free resources at: https://www.romeroengineering.co/resources 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 the differences between harmonic-restraint and harmonic-blocking in transformer differential elements, 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 00:33 Why use harmonic content in transformer differential 04:51 Harmonic-blocked differential element 09:31 Harmonic-restrained differential element 12:20 Outro