埋地敷設電力電纜的載流量
YJV,YJV22 交聯聚乙烯絕緣電力電纜直埋地敷設的載流量(ρτ=1.2℃×m/W)
截 面 (mm2) | 0.6/1KV(A) θn=90℃ | 6/6KV~8.7/10KV(A) θn=90℃ | 26/35KV(A) θn=80℃ | |||||||||||||
4 芯 | 單芯θn=30℃ | 3 芯 | 單芯θn=30℃ | 3芯 | 單芯θn=30℃ | |||||||||||
20℃ | 25℃ | 30℃ |
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| 20℃ | 25℃ | 30℃ |
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| 25℃ |
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鋁
芯 | 4 | 42 | 40 | 38 |
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6 | 47 | 45 | 43 |
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10 | 62 | 60 | 58 |
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16 | 83 | 80 | 77 |
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25 | 104 | 100 | 96 |
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| 109 | 105 | 101 |
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35 | 125 | 120 | 115 |
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| 130 | 125 | 120 |
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50 | 146 | 140 | 134 |
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| 151 | 145 | 139 |
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| 137 |
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70 | 182 | 175 | 168 |
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| 187 | 180 | 173 | 215 | 205 | 172 |
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95 | 218 | 210 | 202 |
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| 224 | 215 | 206 | 255 | 235 | 206 |
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120 | 244 | 235 | 226 |
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| 255 | 245 | 235 | 280 | 265 | 224 |
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150 | 276 | 265 | 254 |
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| 286 | 275 | 264 | 320 | 305 | 243 |
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185 | 317 | 305 | 293 |
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| 322 | 310 | 298 | 350 | 335 |
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240 | 369 | 355 | 341 |
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| 374 | 360 | 346 | 400 | 390 |
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300 |
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| 416 | 400 | 384 | 440 | 430 |
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400 |
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| 505 | 515 |
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500 |
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| 555 | 575 |
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630 |
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| 610 | 640 |
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銅
芯 | 4 | 52 | 50 | 48 |
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6 | 62 | 60 | 58 |
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10 | 83 | 80 | 77 |
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16 | 104 | 100 | 96 |
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25 | 135 | 130 | 125 |
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| 140 | 135 | 130 |
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35 | 161 | 155 | 149 |
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| 166 | 160 | 154 |
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50 | 192 | 185 | 178 |
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| 198 | 190 | 182 |
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70 | 234 | 225 | 216 |
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| 239 | 230 | 221 | 270 | 260 | 177 |
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95 | 281 | 270 | 259 |
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| 286 | 275 | 264 | 320 | 300 | 221 |
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120 | 317 | 305 | 293 |
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| 322 | 310 | 298 | 355 | 340 | 267 |
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150 | 359 | 345 | 331 |
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| 364 | 350 | 336 | 390 | 385 | 288 |
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185 | 406 | 390 | 374 |
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| 411 | 395 | 379 | 430 | 430 | 313 |
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240 | 473 | 455 | 437 |
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| 473 | 455 | 437 | 490 | 490 |
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300 |
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| 536 | 515 | 494 | 535 | 550 |
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400 |
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| 595 | 570 |
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500 |
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| 655 | 630 |
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630 |
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| 710 | 765 |
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2、若考慮土壤水分遷移時,表中載流量應乘以校正系數0.78。
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