Table 7 Average operation time under different fault conditions
From: A d-axis based current differential protection scheme for an active distribution network
Fault type | Operation time/ms | |
|---|---|---|
R5 | R6 | |
Three-phase short-circuit | 12.73 | 13.40 |
Two-phase short-circuit | 13.33 | 13.87 |
Two-phase-to-ground short-circuit | 13.40 | 13.53 |
Two-phase-to-ground short-circuit (Rf=5Ω) | 15.40 | 13.67 |
Two-phase-to-ground short-circuit (Rf=10Ω) | 15.40 | 14.73 |