1 Fault Current (3-Phase)

Function File: If = fault_current_3ph (Vprefault, Z1)

Calculates the three-phase fault current (If) based on prefault voltage (Vprefault) and positive sequence impedance (Z1).

1.1 Inputs

1.2 Output

2 Fault Current (SLG)

Function File: If = fault_current_SLG (Vprefault, Z0, Z1, Z2)

Calculates the single line-to-ground fault current (If) based on prefault voltage (Vprefault), positive sequence impedance (Z1), zero sequence impedance (Z0), and negative sequence impedance (Z2).

2.1 Inputs

2.2 Output

3 Fault Current (LL)

Function File: If = fault_current_LL (Vprefault, Z1, Z2)

Calculates the line-to-line fault current (If) based on prefault voltage (Vprefault), positive sequence impedance (Z1), and negative sequence impedance (Z2).

3.1 Inputs

3.2 Output

4 Fault Current (DLG)

Function File: If = fault_current_DLG (Vprefault, Z0, Z1, Z2)

Computes the double line-to-ground fault current (If) based on prefault voltage (Vprefault), zero sequence impedance (Z0), positive sequence impedance (Z1), and negative sequence impedance (Z2).

4.1 Inputs

4.2 Output