* Lines starting with an asterisk can be used for comments. They are * ignored by the program. Also, blank lines can be left. f 60 z 0.001 0.0 qpc qgrid Fault between phase C and ground at Quadra source_z Power source at Mountain ma mb mc Phase bus nodes mgrid Ground bus node 138 Line-to-line kV 0.0 8.0 Self impedance of source 0.0 0.0 Mutual impedance of source 0.0 Phase angle of phase A voltage in degrees z 0.55 0.0 mgrid gnd parallel_line Section 1 of transmission line from * Mountain to substation Quadra 4 number of parallel conductors ma mb mc mgrid from nodes m1a m1b m1c m1g to nodes 477 ACSR size and type of first conductor 0.6 28.0 x and y coordinates of first conductor - metres 477 ACSR size and type of second conductor 0.6 24.0 x and y coordinates of second conductor 477 ACSR size and type of third conductor 0.6 20.0 x and y coordinates of third conductor 1ca3/8 steel size and type of sky-wire 3/8 inch steel 0.0 32.0 x and y coordinates of sky-wire 42.0 soil_resistivity 2000.0 length metres z 7.0 0.0 m1g gnd tower resistance to ground parallel_line 4 m1a m1b m1c m1g m2a m2b m2c m2g 477 ACSR 0.6 28.0 477 ACSR 0.6 24.0 477 ACSR 0.6 20.0 1ca3/8 steel 0.0 32.0 42.0 5000.0 z 4.0 0.0 m2g gnd parallel_line 4 m2a m2b m2c m2g m3a m3b m3c m3g 477 ACSR 0.6 28.0 477 ACSR 0.6 24.0 477 ACSR 0.6 20.0 1ca3/8 steel 0.0 32.0 42.0 5000.0 z 6.0 0.0 m3g gnd parallel_line 4 m3a m3b m3c m3g qpa qpb qpc qgrid 477 ACSR 0.6 28.0 477 ACSR 0.6 24.0 477 ACSR 0.6 20.0 1ca3/8 steel 0.0 32.0 42.0 5000.0 source_z Power source Norfolk na nb nc ngrid 138 0.0 20.0 0.0 0.0 0.0 z 1.3 0.0 ngrid gnd parallel_line Section 1 of transmission line from * Norfolk to substation Quadra 5 na nb nc ngrid ngrid n1a n1b n1c n1g n1g 336.4 ACSR 0.0 20.0 336.4 ACSR 4.0 20.0 336.4 ACSR 8.0 20.0 1ca3/8 steel 2.0 26.0 1ca3/8 steel 6.0 26.0 30.0 1000.0 z 10.0 0.0 n1g gnd parallel_line 5 n1a n1b n1c n1g n1g n2a n2b n2c n2g n2g 336.4 ACSR 0.0 20.0 336.4 ACSR 4.0 20.0 336.4 ACSR 8.0 20.0 1ca3/8 steel 2.0 26.0 1ca3/8 steel 6.0 26.0 30.0 3000.0 z 5.0 0.0 n2g gnd parallel_line 5 n2a n2b n2c n2g n2g n3a n3b n3c n3g n3g 336.4 ACSR 0.0 20.0 336.4 ACSR 4.0 20.0 336.4 ACSR 8.0 20.0 1ca3/8 steel 2.0 26.0 1ca3/8 steel 6.0 26.0 30.0 3000.0 z 3.0 0.0 n3g gnd parallel_line 5 n3a n3b n3c n3g n3g qpa qpb qpc qgrid qgrid 336.4 ACSR 0.0 20.0 336.4 ACSR 4.0 20.0 336.4 ACSR 8.0 20.0 1ca3/8 steel 2.0 26.0 1ca3/8 steel 6.0 26.0 30.0 1000.0 source_z Power source at Radium plant ra rb rc rstar 12 0.0 3.6 0.0 0.0 -30.0 z 35.0 0.0 rstar rgrid star point of plant generator at Radium z 2.2 0.0 rgrid gnd Radium ground resistance three_cond_gnd cable from Y-delta transformer to Radium plant 1 1 number of cables, number of ground wires qsa qsb qsc qgrid qgrid from nodes ra rb rc rgrid rgrid to nodes 0.0319 0.0818 cable core GMR and Rac (750 MCM copper) 1.1 1.15 al sheath inside & outside radius & sheath metal 0.01579 0.278 ground wire GMR & Rac (#4/0 copper) 60.0 soil_resistivity 0.0 -1.0 1.0 -1.0 x,y locations of cable followed by ground-wire 300.0 length metres wye_delta transformer qpa qpb qpc primary nodes qsa qsb qsc secondary nodes qgrid ground node 138.0 primary voltage 12.0 secondary voltage 20.0 MVA 9.0 %impedance z 1.0 0.0 qgrid gnd substation ground resistance end