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PVC Insulated Power Cables

Group: PVC Insulated Power Cables

GOST Р 53769-2010   ТS 16-705.499-2010

TS 3530-032-05742781-2009

1.Application
PVC insulated power cables are intended for transmission and distribution of electric energy in stationary installations for the alternating voltage 0,66 kV, 1 kV, 3 kV.
"ХЛ" type cables are intended for transmission and distribution of electric power in stationary plants of alternating nominal voltage 0,66; one nominal frequency up to 100 Hz.

2. Construction
Current-conducting core: aluminium or copper single wire core or multiwire core.
PVC/XLPE-insulated, PVC-sheathed.
Nominal cross-section: 1,5 to 240 mm2.
Single core, two core, three core, four core, five core cables.
Multicore cables: equal section.
Four core cables: one reduced core.

3. Service and operating instructions
Range of operating temperature: -50° C up to +50°C (except cables with jacket of polyethylene ).
Relative air humidity at 35° C — up to 98%.
Range of operating temperature for cables with jacket of polyethylene: -60° C up to +50°C
Range of operating temperature for ХЛ type cables: -60° C up to +50°C.

4. Characteristics of cables

4.1 Current capacity of cables with insulation of PVC-compound

Nominal cross-sectional area of current-conducting core, mm2
   
Current capacity of cables, A  
One core cables   Multicore cables**  
d.c. 
a.c.* a.c.*
Copper core Aluminium core Copper core Aluminium core Copper core Aluminium core
aerial buried aerial buried aerial buried aerial buried aerial buried aerial buried
1,5 29 41 - - 22 30

21 27

2,5 37 55 30 32 30 39 22 30 27 36 21 28
4 50 71 40 41 39 50 30 39 36 47 29 37
6 63 90 51 52 50 62 37 48 46 59 37 44
10 86 124 69 68 68 83 50 63 63 79 50 59
16 113 159 93 83 89 107 68 82 84 102 67 77
25 153 207 117 159 121 137 92 106 112 133 87 102
35 187 249 143 192 147 163 113 127 137 158 106 123
50 227 295 176 229 179 194 139 150 167 187 126 143
70 286 364 223 282 226 237 176 184 211 231 161 178
95 354 436 275 339 280 285 217 221 261 279 197 214
120 413 499 320 388 326 324 253 252 302 317 229 244
150 473 561 366 434 373 364 290 283 346 358 261 274
185 547 637 425 494 431 142 336 321 397 405 302 312
240 655 743 508 576 512 477 401 374 472 471 359 363
300 760 845 589 654 591 539 464 423 542 533 424 417
400 894 971 693 753 685 612 544 485 633
501 482
500 1054 1121 819 870 792 690 636 556
625/630 1252 1299 971 1007 910 774 744 633
800 1481 1502 1146 1162 1030 856 858 713
1000 1718 1709 1334 1327 1143 933 972 793

* Laying of cables in trefoil formation
** For four and five core cables with veins of equal section at loading in all veins in the normal mode, the given currents of loading are necessary for increasing by factor 0,93

4.2 Operating temperatures of conductors

Type of insulation

Operating temperature of conductor, °С

In Overload

Limiting short circuit temperature

Temperature limit of current-conducting cores under condition of flame retardance at short-circuit

PVC

70

90

160/140*

350

XLPE

90

130

250

400

*For cables with conductor cores cross-section of more than 300 mm.

In Overload


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