redlinej
Electrical
- Mar 13, 2012
- 105
Hey Guys,
I am taking a deep dive into directional earth fault protection. I would like to know;if the relay is using Uo on the horizontal plane for polarizing the relay, does this means the internal calculation to determine the trip angle is a power calculation either reactive or active.
I am taking a deep dive into directional earth fault protection. I would like to know;if the relay is using Uo on the horizontal plane for polarizing the relay, does this means the internal calculation to determine the trip angle is a power calculation either reactive or active.