Abstract |
A single-phase ground fault is one of the most frequent faults in distribution grids. Despite the abilityof the continuous operation with a sustained fault, the ground fault current has to be compensated untilit would be cleared or self-cleared. In addition the ground fault introduces a high frequency distortionto a grid. This work proposes a control algorithm for an active ground fault current compensator. Thealgorithm allows not only eliminating the main component of the ground fault current, but high-frequency components. The concepts of compensation values determination, control structures andsimulation results are presented. |