Page 574 - Industrial Power Engineering and Applications Handbook

Table A16.11 19/33 kV (Grounded system) paper insulated screened (H) cables (IS 692)
Conductor (Aluminium) Thickness Lead .rhruth Arniriurrnx .&lpro.r. Approx. Normal Drum Approx. Muxi- Appro\. Approx. Approx. Cirrrerir rating Short-
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of ~~~
~~~ ~- -~ __ oi’er- circuit
Number Cross- Conji- Miniinurn insulation Thick- Approx. Thd- Appr(i.1. nll dio wiKhf length type tvei#ht d.c.. r-esisr- unw p’i- (ituni.c Direct rating
of sectional gurotion no. of (nom. j ntw dia. ovet ne.s.s of diu. of i able A of re.sitt- anceof phusrarper in for I
corec urea wires leud 6wch over deliver\. unw at conduc.- SO H: phuw ground second
(nom. ) shrutli tupe urmoiii-- length 20°C tor ut
(nom j ing incliidiii,q operuting
(nom.) drum temp.
65°C
nim’ mm mm mm rim mm tnni mni Ig/km mm kg Wkni {Vhm Wkm fiF/kni Ani/>.\ /ul
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3 70 RMN 12 8.0 2.6 61 0.8 67 75 11670 350 2616 5160 0.443 0.523 0.IDX 0.239 130 I20 135 5.46
3 95 SM 15 7.6 2.5 60 0.8 66 73 11420 400 2414 5530 0.320 0.378 0.125 0.293 155 I40 I60 7.4 1
3 120 SM 15 7.6 2.6 62 0.8 68 76 12290 350 2616 5380 0.253 0.299 0.120 0.319 170 155 I80 9.36
3 150 SM 15 7.1 2.6 62 0.8 68 76 12460 350 2616 5440 0.206 0.244 0.115 0.360 190 175 210 11.7
3 185 SM 30 7. I 2.7 66 0.8 72 80 13780 300 2616 5210 0.164 0.195 0.111 0.390 220 200 240 14.4
3 225 SM 30 7.1 2.8 69 0.8 76 84 15090 250 2616 4850 0.134 0.159 0.108 0.423 240 220 275 17.6
3 240 SM 30 7.1 2.9 70 0.8 76 84 15600 250 2818s 5260 0.125 0.149 0.107 0.435 245 230 285 I x.7
3 300 SM 30 7.1 2.9 75 0.8 82 90 17260 200 2x18s 4810 0.100 0.1 19 0.103 0.474 270 255 320 23.4
3 400 SM 53 7. I 3.1 81 0.8 87 95 19690 150 2x20s 4330 00778 0.0937 o.ioo 0.523 310 295 380 31 2
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Note Thickness of lapped bedding approx. 1.5 mm. Thickness of lapped serving approx. 2.0 mm
Conrmy CCI
(111) XLPE Cables up to 33 kV
Table A16/12 Armoured cable 3.86.6 kV (Grounded system)
No. of Conductor Nominal Minimum Armouring Minimum Approx. Approx. Normal Drum Approx. Mur. Appmx. Approx. Approx Current rating Short-
(‘ores and min. no. thickne.u thicknec.s nom. thickness ocerall net deliverv six Pruss wt. d.c. U.C. rearranre cupucitance circuit
cross- uj wires of d dimens ions uf PVC diameter weight of length &r resistance reAisfancr at ratin#
.sectiunul XLPE common offlat wire outer c able normal at at operat- 50 Hr fur I
area of insulution covering (strip) cheath deliver). 20°C ing temp. second
conductor (wr-upped) length) 90°C
No. Xmm? mm mm inmxmm mm mm kg/km m kg CYkm Wkm Wkrn pffim Amps Amp.\ kA (rm .. 5.)
- - ___~ _____ ~~ __ ~. ~~ - ~~ _____ -
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3x25 d v 6 2.8 0.4 4.0x0.8 156 40 I830 500 A 1506 I 200 I 20 1.54 0.130 0.235 93 IO0 2.35
3x35 rm/v 6 2.8 0.4 4.0x0.x 172 43 21 10 500 A 1608 1380 0.868 1.11 0.123 0.260 I 10 I20 3.29
3x50 rm/v 6 2.8 0.5 4.0x0.8 I72 46 2180 500 A 1608 1520 0.64 I 0 822 0.11: 0.285 I30 145 4.70
3x70 rm/v 12 2.8 0.5 4 .OXO. 8 I88 50 2820 500 B 1809 1850 0.443 0 568 0.1 11 0.325 I60 180 6.58
3x95 rmlv 15 2.X 0.5 4.0x0.8 188 54 1300 500 B 2010 2180 0.320 0.4 IO 0. 106 0.370 190 220 8.93
3x120 rm/v 15 2.8 0.6 4 0XO.8 2 04 59 3830 so0 B 2010 2440 n.253 0.325 0. IO2 0410 215 255 11.3
3x150 rm/v 15 2.8 0.6 4.0x0.8 220 62 4320 500 n 2212 2860 0.206 0.265 0.099 0.440 240 285 I4 I
3x185 rm/v 30 2.8 0.6 4.0X0.8 2 20 66 4850 500 B 2212G 1120 I). 164 0.21 I 0.096 0.480 270 330 17.4
3x240 rm/v 30 2.8 0.7 4.0x0.8 216 I? 5870 500 B 231 1 3740 0.125 0.161 0.093 0.540 315 385 22.6
3x300 rm/v 30 3.0 0.7 4.0x0.8 252 78 6950 400 B 2616 1740 0.100 0.130 0.092 0.555 355 440 28.2
3x40 rm/v 53 3.3 0.7 4.0xo.x 2 84 89 8520 3ou B 2414 7420 0.077X 0.102 0.090 0.575 40s 5 10 37.6
3x500 rm/v 53 3.5 0 7 4.0x0.8 700 97 I0270 200 B2414G 29 10 0.0605 0.0782 0.089 0.605 455 5 90 47 0
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Courtcw CCI