Correct option is B
·
Resonant grounding, also known as
arc suppression coil earthing, is a method used to ground electrical systems. In this system, an inductance (arc suppression coil or Petersen coil) is connected between the neutral of the system and the ground.
· The inductance is tuned to resonate with the system capacitance to ground, effectively canceling out the capacitive earth fault current and minimizing arcing during earth faults. This method is particularly useful in reducing transient overvoltage and preventing sustained arcing faults in power systems.
