System Voltage V(L-L) |
440 |
System Voltage V(L-N) |
254 |
Volt |
|
P.F |
0.80 |
K.Amp |
2
|
Enter Short circuit Current If You Know |
Ground |
Cable Installation Media |
2 |
Ground Temperature (K2) |
45 |
°C |
AL
|
No of Trench |
1 |
No of Cable/Trench |
1 |
Distance Between Cable |
Nill |
Meter |
No. of Runs of selected cable |
1 |
Cable Laying on The Depth of |
1 |
Soil Thermal Resistiivty |
Not Known |
Km/Watt |
Nature of Soil (k3) |
Very Wet Soil |
Meter |
Distance |
200 |
Type of Cable |
|
3cX 35 |
Allowable voltage drop |
5 |
% |
(1.732 X (Full Load Current)X(RCosØ+j SinØ)XLengthX100) / Line
VoltageXNo of RunX1000
###
CU
|
1cX0.75
|
|
|
1cX120 |
|
|
|
1cX10
|
1cX50
|
1cX150 |
|
|
|
|
1cX185 |
HT XLPE ( 6.6 KV-Earthed)
|
1cX2.5
|
|
|
1cX240 |
|
|
1cX35
|
1cX120
|
1cX300 |
|
|
|
|
1cX150
|
1cX400 |
HT XLPE ( 66 KV-Earthed)
|
|
|
|
1cX 500 |
|
1cX16
|
1cX95
|
|
1cX 630 |
Cable Dia |
0.125 mt |
0.25 mt |
0.5 mt |
|
|
|
|
1cX300
|
1cX800 |
4
|
|
1cX150 |
|
1cX1000 |
|
|
1cX185 |
1cX 500 |
6
|
1cX70
|
1cX240 |
1cX 630 |
|
|
1cX300 |
|
|
1cX120
|
1cX400 |
1cX1000 |
|
9
|
|
1cX 500 |
|
|
|
1cX 630 |
3cX 35
|
2cX1
|
1cX800 |
|
|
|
1cX1000 |
|
|
2cX1.5
|
3cX 95
|
|
|
3cX 120 |
|
|
3cX 150 |
3cX0.75
|
2cX 6
|
3cX 185 |
|
|
|
3cX 240 |
|
|
3cX 300 |
3cX2.5
|
2cX25
|
3cX 400 |
|
|
|
|
2cX95
1cX300 |
0.12 |
0.088 |
0.074 |
0.088 |
295 |
1cX400 |
0.094 |
0.088 |
0.059 |
0.088 |
325 |
1cX 500 |
0.0726 |
0.087 |
0.046 |
0.087 |
345 |
1cX 630 |
0.0563 |
0.086 |
0.037 |
0.086 |
390 |
1cX800 |
0.044 |
0.083 |
0.031 |
0.083 |
450 |
1cX1000 |
0.0349 |
0.082 |
0.027 |
0.082 |
500 |
2cX1.5 |
21.72 |
0.126 |
14.5 |
0.126 |
18 |
2cX2.5 |
14.52 |
0.119 |
8.87 |
0.119 |
16 |
2cX4 |
8.89 |
0.116 |
5.52 |
0.116 |
32 |
2cX 6 |
5.53 |
0.11 |
3.69 |
0.11 |
40 |
2cX10 |
3.7 |
0.1 |
2.19 |
0.1 |
55 |
2cX16 |
2.29 |
0.097 |
1.38 |
0.097 |
70 |
2cX25 |
1.44 |
0.097 |
0.87 |
0.097 |
90 |
2cX35 |
1.04 |
0.097 |
0.627 |
0.097 |
110 |
2cX50 |
0.77 |
0.094 |
0.463 |
0.094 |
135 |
2cX70 |
0.53 |
0.09 |
0.321 |
0.09 |
160 |
2cX95 |
0.38 |
0.09 |
0.231 |
0.9 |
190 |
2cX120 |
0.3 |
0.087 |
0.184 |
0.087 |
210 |
2cX150 |
0.25 |
0.087 |
0.149 |
0.087 |
240 |
2cX185 |
0.2 |
0.087 |
0.12 |
0.087 |
275 |
2cX240 |
0.15 |
0.087 |
0.091 |
0.087 |
320 |
2cX300 |
0.12 |
0.086 |
0.073 |
0.086 |
355 |
2cX400 |
0.09 |
0.086 |
0.059 |
0.086 |
385 |
2cX500 |
0.09 |
0.086 |
0.059 |
0.086 |
425 |
2cX630 |
0.09 |
0.086 |
0.059 |
0.086 |
465 |
3cX1.5 |
21.72 |
0.126 |
14.5 |
0.126 |
16 |
3cX2.5 |
14.52 |
0.119 |
8.87 |
0.119 |
21 |
3cX4 |
8.89 |
0.116 |
5.52 |
0.116 |
28 |
3cX 6 |
5.53 |
0.11 |
3.69 |
0.11 |
35 |
3cX 10 |
3.7 |
0.1 |
2.19 |
0.1 |
46 |
3cX 16 |
2.29 |
0.097 |
1.38 |
0.097 |
60 |
3cX 25 |
1.44 |
0.097 |
0.87 |
0.097 |
76 |
3cX 35 |
1.04 |
0.097 |
0.627 |
0.097 |
92 |
3cX 50 |
0.77 |
0.094 |
0.463 |
0.094 |
110 |
3cX 70 |
0.53 |
0.09 |
0.321 |
0.09 |
135 |
3cX 95 |
0.38 |
0.9 |
0.231 |
0.09 |
165 |
3cX 120 |
0.3 |
0.087 |
0.184 |
0.087 |
185 |
3cX 150 |
0.25 |
0.087 |
0.149 |
0.087 |
210 |
3cX 185 |
0.2 |
0.087 |
0.12 |
0.087 |
235 |
3cX 240 |
0.15 |
0.087 |
0.0912 |
0.087 |
275 |
3cX 300 |
0.12 |
0.086 |
0.0739 |
0.086 |
305 |
3cX 400 |
0.09 |
0.086 |
0.0592 |
0.086 |
335 |
3cX 500 |
0.09 |
0.086 |
0.0592 |
0.086 |
370 |
3cX 630 |
0.09 |
0.086 |
0.0592 |
0.086 |
405 |
3.5X16 |
1.44 |
0.097 |
0.73 |
0.097 |
70 |
3.5X25 |
0.77 |
0.094 |
0.387 |
.0.094 |
76 |
3.5X35 |
0.53 |
0.09 |
0.268 |
0.09 |
92 |
3.5X50 |
0.38 |
0.09 |
0.193 |
0.09 |
110 |
3.5X70 |
0.3 |
0.087 |
0.153 |
0.087 |
135 |
3.5X95 |
0.2 |
0.087 |
0.099 |
0.087 |
165 |
3.5X120 |
0.15 |
0.087 |
0.075 |
0.087 |
185 |
3.5X150 |
0.12 |
0.086 |
0.06 |
0.086 |
210 |
3.5X185 |
0.09 |
0.086 |
0.047 |
0.086 |
235 |
3.5X240 |
0.08 |
0.085 |
0.046 |
0.085 |
275 |
Nominal |
Alum |
|
Copp |
er |
|
Conductor
Area (Sq.mm) |
Resi |
React |
Resi |
React |
Ground |
|
ohm/km |
ohm/km |
ohm/km |
ohm/km |
Amp |
1cX25 |
1.1 |
0.134 |
1.1 |
0.134 |
100 |
1cX35 |
1.1 |
0.134 |
1.1 |
0.134 |
120 |
1cX50 |
0.822 |
0.1358 |
0.822 |
0.1358 |
140 |
1cX70 |
0.568 |
0.1237 |
0.568 |
0.1237 |
175 |
1cX95 |
0.411 |
0.1168 |
0.411 |
0.1168 |
205 |
1cX120 |
0.325 |
0.1128 |
0.325 |
0.1128 |
235 |
1cX150 |
0.265 |
0.1096 |
0.265 |
0.1096 |
260 |
1cX185 |
0.211 |
0.1073 |
0.211 |
0.1073 |
295 |
1cX240 |
0.161 |
0.1041 |
0.161 |
0.1041 |
340 |
1cX300 |
0.13 |
0.1002 |
0.13 |
0.1002 |
385 |
1cX400 |
0.102 |
0.0968 |
0.102 |
0.0968 |
440 |
1cX 500 |
0.08 |
0.0939 |
0.08 |
0.0939 |
495 |
1cX 630 |
0.063 |
0.0921 |
0.063 |
0.0921 |
560 |
1cX800 |
0.0513 |
0.097 |
0.0513 |
0.097 |
620 |
1cX1000 |
0.0426 |
0.0875 |
0.0426 |
0.0875 |
680 |

1 KV PVC Insulated
|
Copper |
|
Duct |
Air |
Ground |
Duct |
Air |
Aluminium |
Copper |
Amp |
Amp |
Amp |
Amp |
Amp |
— |
— |
39 |
38 |
35 |
0.304 |
0.460 |
37 |
35 |
49 |
48 |
44 |
0.456 |
0.690 |
51 |
47 |
65 |
64 |
60 |
0.760 |
1.150 |
65 |
64 |
85 |
83 |
82 |
1.220 |
1.84 |
84 |
84 |
110 |
110 |
110 |
1.900 |
2.88 |
100 |
105 |
130 |
125 |
130 |
2.660 |
4.03 |
115 |
130 |
155 |
150 |
165 |
3.800 |
5.75 |
135 |
155 |
190 |
175 |
205 |
5.320 |
8.05 |
155 |
190 |
220 |
200 |
245 |
7.220 |
10.90 |
170 |
220 |
250 |
220 |
280 |
9.120 |
13.80 |
190 |
250 |
280 |
245 |
320 |
11.40 |
17.30 |
210 |
290 |
305 |
260 |
370 |
14.10 |
21.30 |
290 |
375 |
425 |
360 |
435 |
30.40 |
46.00 |
320 |
425 |
470 |
390 |
520 |
38.00 |
57.50 |
350 |
480 |
555 |
470 |
675 |
47.90 |
72.50 |
14 |
13 |
21 |
17 |
17 |
0.3 |
0.4 |
18 |
18 |
27 |
24 |
24 |
0.3 |
0.4 |
23 |
23 |
36 |
30 |
30 |
0.304 |
0.460 |
30 |
30 |
45 |
38 |
39 |
0.456 |
0.690 |
39 |
40 |
60 |
50 |
52 |
0.760 |
1.150 |
50 |
51 |
77 |
64 |
66 |
1.220 |
1.840 |
63 |
70 |
99 |
81 |
90 |
1.900 |
2.880 |
77 |
86 |
120 |
99 |
110 |
2.660 |
4.030 |
95 |
105 |
145 |
125 |
135 |
3.800 |
5.750 |
115 |
130 |
175 |
150 |
165 |
5.320 |
8.050 |
140 |
155 |
210 |
175 |
200 |
7.220 |
10.900 |
155 |
180 |
240 |
195 |
230 |
9.120 |
13.800 |
175 |
205 |
270 |
225 |
265 |
11.400 |
17.300 |
200 |
240 |
300 |
255 |
305 |
14.100 |
21.300 |
235 |
280 |
345 |
295 |
355 |
18.200 |
27.600 |
260 |
315 |
385 |
335 |
400 |
22.800 |
34.500 |
290 |
375 |
425 |
360 |
435 |
30.400 |
46.000 |
320 |
425 |
470 |
390 |
520 |
38.000 |
57.500 |
350 |
480 |
555 |
470 |
675 |
47.900 |
72.500 |
|
Copper |
Rating for
1Sec.duration in K.
|
Duct |
Air |
Ground |
Duct |
Air |
Aluminium |
Copper |
Amp |
Amp |
Amp |
Amp |
Amp |
90 |
120 |
130 |
115 |
155 |
2.35 |
3.58 |
105 |
145 |
155 |
140 |
185 |
3.29 |
5.00 |
125 |
170 |
185 |
160 |
220 |
4.70 |
7.15 |
155 |
215 |
225 |
195 |
275 |
6.58 |
10.01 |
180 |
260 |
265 |
235 |
340 |
8.93 |
13.59 |
205 |
305 |
300 |
265 |
390 |
11.28 |
17.16 |
230 |
345 |
335 |
295 |
440 |
14.10 |
21.45 |
260 |
395 |
380 |
330 |
510 |
17.39 |
26.46 |
300 |
470 |
435 |
380 |
600 |
22.56 |
34.32 |
335 |
540 |
490 |
425 |
680 |
28.20 |
42.90 |
380 |
630 |
550 |
480 |
790 |
37.60 |
57.20 |
430 |
730 |
610 |
530 |
910 |
47.00 |
71.50 |
480 |
840 |
680 |
580 |
1030 |
59.22 |
90.10 |
530 |
960 |
740 |
630 |
1140 |
75.20 |
114.40 |
580 |
1070 |
790 |
670 |
1250 |
94.00 |
143.00 |
Aluminum
|
Copper |
|
Duct |
Air |
Ground |
Duct |
Air |
Aluminium |
Copper |
Amp |
Amp |
Amp |
Amp |
Amp |
240 |
240 |
|
|
|
9.8 |
|
280 |
280 |
|
|
|
12.4 |
|
335 |
335 |
|
|
|
15.5 |
|
380 |
380 |
|
|
|
19.2 |
|
450 |
450 |
|
|
|
24.8 |
|
510 |
510 |
|
|
|
31.1 |
|
595 |
595 |
|
|
|
41.4 |
|
690 |
690 |
|
|
|
51.8 |
|
800 |
800 |
|
|
|
65.2 |
|
910 |
910 |
|
|
|
82.8 |
|
1010 |
1010 |
|
|
|
104 |
|
Nature of Soil |
K3 |
Tem |
PVC Flexible (Up to 1.1 KV) |
LT PVC |
LT XLPE |
|
Very Wet Soil |
1.21 |
25 |
1.25 |
1.16 |
1.28 |
1.14 |
Wet Soil |
1.13 |
30 |
1.16 |
1.1 |
1.22 |
1.1 |
Damp Soil |
1.05 |
35 |
1.09 |
1.05 |
1.134 |
1.04 |
Dry Soil |
1 |
40 |
1 |
1 |
1 |
1 |
Very Dry Soil |
0.86 |
45 |
0.9 |
0.94 |
0.975 |
0.95 |
|
50 |
0.8 |
0.88 |
0.878 |
0.9 |
55 |
0.69 |
0.82 |
0.768 |
0.85 |
1cX300 |
0.13 |
0.078 |
0.0769 |
0.078 |
390 |
335 |
519 |
490 |
1cX400 |
0.1023 |
0.077 |
0.0608 |
0.077 |
450 |
380 |
605 |
550 |
1cX 500 |
0.0808 |
0.076 |
0.0468 |
0.076 |
500 |
430 |
700 |
610 |
1cX 630 |
0.0648 |
0.075 |
0.0362 |
0.075 |
555 |
485 |
809 |
680 |
1cX800 |
0.053 |
0.075 |
0.0283 |
0.075 |
625 |
530 |
935 |
740 |
1cX1000 |
0.0444 |
0.068 |
0.0225 |
0.068 |
690 |
570 |
1065 |
780 |
2cX1.5 |
— |
— |
— |
— |
— |
— |
— |
— |
2cX2.5 |
— |
— |
— |
— |
— |
— |
— |
— |
2cX4 |
1.555 |
0.097 |
1.555 |
0.097 |
34 |
28 |
30 |
44 |
2cX 6 |
1.553 |
0.097 |
1.553 |
0.097 |
43 |
37 |
40 |
55 |
2cX10 |
1.553 |
0.085 |
1.553 |
0.085 |
57 |
48 |
53 |
74 |
2cX16 |
1.54 |
0.08 |
1.54 |
0.08 |
78 |
61 |
70 |
94 |
2cX25 |
1.54 |
0.08 |
0.93 |
0.08 |
95 |
80 |
99 |
120 |
2cX35 |
1.11 |
0.08 |
0.671 |
0.08 |
116 |
94 |
117 |
145 |
2cX50 |
0.082 |
0.078 |
0.495 |
0.078 |
140 |
110 |
140 |
170 |
2cX70 |
0.57 |
0.077 |
0.343 |
0.077 |
170 |
140 |
176 |
210 |
2cX95 |
0.41 |
0.074 |
0.247 |
0.074 |
200 |
165 |
221 |
250 |
2cX120 |
0.33 |
0.072 |
0.196 |
0.072 |
225 |
185 |
258 |
285 |
2cX150 |
0.27 |
0.072 |
0.159 |
0.072 |
255 |
210 |
294 |
315 |
2cX185 |
0.21 |
0.072 |
0.127 |
0.072 |
285 |
235 |
339 |
355 |
2cX240 |
0.16 |
0.072 |
0.0965 |
0.072 |
325 |
270 |
402 |
410 |
2cX300 |
0.13 |
0.071 |
0.0769 |
0.071 |
370 |
305 |
461 |
460 |
2cX400 |
0.1 |
0.07 |
0.0602 |
0.07 |
435 |
350 |
542 |
520 |
2cX500 |
0.1 |
0.07 |
0.0602 |
0.07 |
481 |
405 |
624 |
580 |
2cX630 |
0.1 |
0.07 |
0.0602 |
0.07 |
537 |
470 |
723 |
680 |
3cX1.5 |
— |
— |
— |
— |
— |
— |
— |
— |
3cX2.5 |
— |
— |
— |
— |
— |
— |
— |
— |
3cX4 |
1.581 |
0.097 |
1.581 |
0.097 |
34 |
28 |
30 |
44 |
3cX 6 |
1.57 |
0.097 |
1.57 |
0.097 |
43 |
37 |
40 |
55 |
3cX 10 |
1.55 |
0.08 |
1.55 |
0.08 |
57 |
48 |
53 |
74 |
3cX 16 |
1.557 |
0.08 |
1.557 |
0.08 |
78 |
61 |
70 |
94 |
3cX 25 |
1.54 |
0.08 |
0.93 |
0.08 |
95 |
80 |
99 |
120 |
3cX 35 |
1.11 |
0.08 |
0.671 |
0.08 |
116 |
94 |
117 |
145 |
3cX 50 |
0.82 |
0.078 |
0.495 |
0.078 |
140 |
110 |
140 |
170 |
3cX 70 |
0.57 |
0.077 |
0.343 |
0.077 |
170 |
140 |
176 |
210 |
3cX 95 |
0.41 |
0.074 |
0.247 |
0.074 |
200 |
165 |
221 |
250 |
3cX 120 |
0.33 |
0.072 |
0.196 |
0.072 |
225 |
185 |
258 |
285 |
3cX 150 |
0.27 |
0.072 |
0.159 |
0.072 |
255 |
210 |
294 |
315 |
3cX 185 |
0.21 |
0.072 |
0.127 |
0.072 |
285 |
235 |
339 |
355 |
3cX 240 |
0.16 |
0.072 |
0.0965 |
0.072 |
325 |
270 |
402 |
410 |
3cX 300 |
0.13 |
0.071 |
0.0769 |
0.071 |
370 |
305 |
461 |
460 |
3cX 400 |
0.1 |
0.07 |
0.0602 |
0.07 |
435 |
350 |
542 |
520 |
3cX 500 |
0.1 |
0.07 |
0.0602 |
0.07 |
481 |
405 |
624 |
580 |
3cX 630 |
0.1 |
0.07 |
0.0602 |
0.07 |
537 |
470 |
723 |
680 |
3.5X16 |
— |
— |
— |
— |
— |
— |
— |
— |
3.5X25 |
1.54 |
0.08 |
0.93 |
0.08 |
95 |
80 |
99 |
120 |
3.5X35 |
1.11 |
0.08 |
0.671 |
0.08 |
116 |
94 |
117 |
145 |
3.5X50 |
0.082 |
0.078 |
0.0495 |
0.078 |
140 |
110 |
140 |
170 |
3.5X70 |
0.57 |
0.077 |
0.343 |
0.077 |
170 |
140 |
176 |
210 |
3.5X95 |
0.41 |
0.074 |
0.247 |
0.074 |
200 |
165 |
221 |
250 |
3.5X120 |
0.33 |
0.072 |
0.196 |
0.072 |
225 |
185 |
258 |
285 |
3.5X150 |
0.27 |
0.072 |
0.159 |
0.072 |
255 |
210 |
294 |
315 |
3.5X185 |
0.21 |
0.072 |
0.127 |
0.072 |
285 |
235 |
339 |
355 |
3.5X240 |
0.16 |
0.072 |
0.0965 |
0.072 |
325 |
270 |
402 |
410 |
|
1 |
2 |
3 |
4 |
6 |
8 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
0.84 |
0.8 |
0.78 |
0.77 |
0.76 |
0.75 |
3 |
0.8 |
0.76 |
0.74 |
0.73 |
0.72 |
0.71 |
4 |
0.78 |
0.74 |
0.72 |
0.71 |
0.7 |
0.69 |
5 |
0.77 |
0.73 |
0.7 |
0.69 |
0.68 |
0.67 |
6 |
0.75 |
0.71 |
0.7 |
0.68 |
0.68 |
0.66 |
7 |
0.74 |
0.69 |
0.675 |
0.66 |
0.66 |
0.64 |
8 |
0.73 |
0.69 |
0.68 |
0.67 |
0.66 |
0.64 |
Depth Facator (K5) |
|
|
Rating Factor |
0.5 |
1.1 |
0.7 |
1.05 |
0.9 |
1.01 |
1 |
1 |
1.2 |
0.98 |
1.5 |
0.96 |
430 |
670 |
28.20 |
42.90 |
480 |
780 |
37.60 |
57.20 |
530 |
900 |
47.00 |
71.50 |
590 |
1020 |
59.22 |
90.09 |
630 |
1140 |
75.20 |
114.40 |
660 |
1250 |
94.00 |
143.00 |
— |
— |
— |
— |
— |
— |
— |
— |
37 |
39 |
0.376 |
0.572 |
47 |
50 |
0.564 |
0.858 |
61 |
67 |
0.940 |
1.430 |
78 |
85 |
1.50 |
2.29 |
100 |
125 |
2.35 |
3.58 |
120 |
155 |
3.29 |
5.01 |
145 |
190 |
4.70 |
7.15 |
175 |
235 |
6.58 |
10.01 |
210 |
290 |
8.93 |
13.59 |
240 |
330 |
11.28 |
17.16 |
270 |
375 |
14.10 |
21.45 |
300 |
435 |
17.39 |
26.46 |
350 |
510 |
22.56 |
34.32 |
390 |
590 |
28.20 |
42.90 |
440 |
670 |
37.60 |
57.20 |
480 |
750 |
47.00 |
71.50 |
575 |
875 |
59.22 |
90.09 |
— |
— |
— |
— |
— |
— |
— |
— |
37 |
39 |
0.376 |
0.572 |
47 |
50 |
0.564 |
0.858 |
61 |
67 |
0.940 |
1.430 |
78 |
85 |
1.50 |
2.29 |
100 |
125 |
2.35 |
3.58 |
120 |
155 |
3.29 |
5.01 |
145 |
190 |
4.70 |
7.15 |
175 |
235 |
6.58 |
10.01 |
210 |
290 |
8.93 |
13.59 |
240 |
330 |
11.28 |
17.16 |
270 |
375 |
14.10 |
21.45 |
300 |
435 |
17.39 |
26.46 |
350 |
510 |
22.56 |
34.32 |
390 |
590 |
28.20 |
42.90 |
440 |
670 |
37.60 |
57.20 |
480 |
750 |
47.00 |
71.50 |
575 |
875 |
59.22 |
90.09 |
— |
— |
— |
— |
100 |
125 |
2.35 |
3.58 |
120 |
155 |
3.29 |
5.01 |
145 |
190 |
4.70 |
7.15 |
175 |
235 |
6.58 |
10.01 |
210 |
290 |
8.93 |
13.59 |
240 |
330 |
11.28 |
17.16 |
270 |
375 |
14.10 |
21.45 |
300 |
435 |
17.39 |
26.46 |
350 |
510 |
22.56 |
34.32 |