Transmission Line Current Differential Protection | Example Using the SEL-411L Protective Relay

[@TheEnzoachi]

You are great

[@romanluis9908]

Excellent and very helpful video, Thanks!

[@rafaelbejarano3422]

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[@Stfncosminul]

How does the addition with angles work? -83.9 + (-84.2) = -168.1. How did we get -84.13 ?

[@m.badawy717]

this is vector addition, means both magnitude and angle will affect the result, as the addition is done in the carestian system