We would discuss in this video the following points
1. Relay Current Sampling for Differential Protection
2. 87L Differential Protection Alpha Plane
3. Disturbance Detection Logic for Fast Diff Tripping
4. Differential Settings
#SEL #411L #OHTL #UGF #Differential #Distance #87L #21 #Freja #Testing
#Protection #Two_Terminal #Three_Terminal #End_to_End
#AcSELerator #Configurations
#Differentail_Protection #Differentail_settings #Differentail_alpha_plane#Differentail_Current_Sampling
#Alpha_Plane_Setting #Blocking_Radius #Blocking_Angle
![](https://i.ytimg.com/vi/J2i_rRDEdQM/maxresdefault.jpg)