Table 5 Comparison of CDP and proposed protection algorithm
Case number | Conditions | CDP | Proposed algorithm |
|---|---|---|---|
Case 1 | Internal fault Fault type: AG Rf: 100Ω Fault location: 50% | Figure 13a  ×  | Figure 14a √ |
Case 2 | Internal fault Fault type: AB Rf: 50Ω Fault location: 10% | Figure 13b  ×  | Figure 14b √ |
Case 3 | External fault with CT saturation Fault type: ABC Rf: 5Ω | Figure 13c  ×  | Figure 14c √ |
Case 4 | External fault with outliers Fault type: ABG Rf: 15Ω | Figure 13d  ×  | Figure 14d √ |
Case 5 | External fault Fault type: AG Rf: 20Ω | Figure 13e √ | Figure 14e √ |