ELECTRICAL CHARACTERISTICS Maximum Maximum Current Ratings @ DC AC 75°C (a) Resistance Resistance Winter Summer @20°C @75°C Night Noon
Inductive Reactance to 0.4m
Single Phase Voltage Drop @ 0.4m spacing
mm²
mm²
Ω /k m
Ω /k m
A
A
Ω /k m
MV/A.m
Jaguar
211
128
0.137
0.167
776
565
0.251
0.60
Panther
212
129
0.136
0.166
798
579
0.248
0.60
Lion
238
145
0.121
0.148
860
623
0.244
0.57
Bear
264
161
0.110
0.134
918
663
0.240
0.55
Goat
324
198
0.089
0.109
1048
755
0.234
0.52
Antelope
374
228
0.077
0.095
1114
801
0.232
0.50
Sheep
375
229
0.077
0.095
1146
823
0.230
0.50
Bison
382
233
0.076
0.094
1129
812
0.231
0.50
Zebra
429
262
0.067
0.083
1214
871
0.227
0.49
Deer
430
262
0.067
0.083
1252
896
0.225
0.48
(a) Wind Speed 1m/sec, emissivity 0.5, absorptance 0.5. Air temperature 10°C for winter night, 35°C for summer noon. Intensity of solar radiation 1000 W/m² for summer noon. Angle of wind to conductor axis is 60o in summer noon. For current ratings at different conductor operating temperatures, refer to the graph on next two pages. Calculation based on IEEE Std 738 – 1993. CONDUCTOR CODE NAME
PHYSICAL PROPERTIES Calculated Approx. Minimum Mass Breaking Load kN kg/km
Nominal Overall Diameter
Total Cross Sectional Area
mm
mm²
Jaguar
19.3
222
47
Panther
21.0
262
92
Final Modulus of Elasticity
Coefficient of Linear Expansion
GPa
/° x 10-6
670
66
21.2
970
80
17.8
Current rating versus conductor temperature (Summer/noon) 1400 1300 1200 1100 Jaguar
1000 ) A ( g in t a r t n e r r u C
Panther
900
Lion Bear
800
Goat 700
Antelope Bison
600
Sheep Zebra
500
Deer 400 300 200 100 0 45
50
55
60
65
70
75
80
85
90
Conductor operating temperature (oC)
4.2.3.3.5
95
100
105
110
Current rating versus conductor temperature (Winter/night) 1650 1550 1450 1350
