礦物防火電纜
6kV～35kV銅芯、鋁芯、交聯(lián)聚乙烯絕緣電力電纜
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產(chǎn)品標(biāo)準(zhǔn)Standard
本產(chǎn)品按GB/T12706-2008《額定電壓1kV到35kV擠包絕緣電力電纜及附件 第2部分 額定電壓6kV和30kV電纜 第3部分 額定電壓35kV電纜》標(biāo)準(zhǔn)生產(chǎn)，同時還可根據(jù)用戶需要按國際電工委員會推薦標(biāo)準(zhǔn)IEC、英國標(biāo)準(zhǔn)、德國標(biāo)準(zhǔn)及美國標(biāo)準(zhǔn)生產(chǎn)。
The product is manufactured according to the standard of GB12706 or IEC、BS、DIN and ICEA upon request.
適用范圍Applications
本產(chǎn)品適用于工頻額定電壓3.6/6kV～26/35kV輸配電線路作配送電能子用。
The product is suitable for use in power transmission and distribution lines with rated power frequency voltage 3.6/6kV～26/35kV.
使用特性O(shè)perating characteristics
· 工頻額定電壓U0/U為3.6/6kV～26/35kV。
Rated power-frepuency voltage U0/U: 3.6/6kV～26/35kV.
· 電纜導(dǎo)體的上限允許工作溫度：90℃。
Max.admissible operating temperature of the conductor:90℃.
· 短路時（上限時間不超過5s）電纜導(dǎo)體的上限溫度不超過2500C。
Max. short-circurt temperature of conductor shall not exceed 2500C.
(5s maximum duration)
· 電纜敷設(shè)時環(huán)境溫度應(yīng)不低于0℃。
The ambient temperature under installation should not below 0℃.
· 電纜彎曲半徑：三芯電纜不小于電纜外徑15倍；單芯電纜不小于電纜外徑20倍。
The bending radius of a single-core cable should not less than 20 times of the cable diameter.
The bending radius of a single-core cable should not less than 15 times of the cable diameter.
電纜額定電壓的選擇 Voltage designation
· 電纜的額定電壓應(yīng)適合于電纜系統(tǒng)的運(yùn)行狀況，用U0/U（Um）kV表示。
U0－電纜設(shè)計用的導(dǎo)體對地或金屬屏蔽之間的額定工頻電壓；
U－電纜設(shè)計用的導(dǎo)體間的額定工頻電壓；
Um－設(shè)備可承受的“上限系統(tǒng)電壓”的上限值。
The rated voltage of the cable for a given applixation shall be suitable for the operating conditions
in the system in which the cable is used,and is expressed in the form of U0/U（Um）kv Where:
U0－The rated power-frequency voltage between conductors and earth metallic screen ,for which the cable designed;
U － The rated power-frequency voltage between conductos, for which the cable designed;
Um－ The maximum value of the“highest system voltage”for which the equipment may beused.
· 三相系統(tǒng)用電纜的U0值推薦如下表：
he values of U0 recommened for cable to be used in three-phase systems are listed below:
A類系統(tǒng)──該類系統(tǒng)任何一相導(dǎo)體與地和接地導(dǎo)體接觸時，能在1min內(nèi)與系統(tǒng)分離 B類系統(tǒng)──該類系統(tǒng)僅包括單相接地故障短時運(yùn)行的條件，接地故障時間應(yīng)不超過1h, 但在任何情況下，上限不超過8h每年接地故障總持續(xù)時間不超過125h； C類系統(tǒng)──不屬于A類、B類的系統(tǒng)。 System category A──This category comprises those systems in which any phase conductor that comes in contact with earth or an earth conductor. is disconnected from the system within 1 min. System category B─This category comprises those system which,under faultconditions,are operated,are operated for ashorttimewith one phase earthed.This period should not exceed 1 h..Fora longer period, not exceeding 8h on any occasion, can be tolerated.The total duration of earth faults in any year should not exceed 125h. System categeory C─This category comprises all systems which do not fall into A and B 電纜的型號Type of cable
生產(chǎn)范圍Production range of cable
注：單芯鎧裝電纜僅用于直流系統(tǒng)，若用于交流系統(tǒng)，應(yīng)采用非磁性材料的鎧裝層或采用隔磁措施。 Note: The single core armoured cables are used for D. C. system only. As for A. C. system, the magnetic isolation should be applied in the steel armoure wires or non-magnetical materials should be used. 電纜性能 20℃時導(dǎo)體較大直流電阻 Max. D.C. resistance of conductor at 20℃.
電壓試驗(yàn)、局部放電試驗(yàn) Voltage test and partial discharge
電纜載流量 The Current carrying capacity ◇ 3.6/6kV
◇ 6/6、6/10kV
◇ 8.7/10kV. 8.7/15kV
◇ 12/20kV
◇ 18/30kV
◇ 21/35kV
◇ 26/35kV
金屬屏蔽層的短路電流 Short circuit current of screen ◇單芯電纜 single core
◇三芯電纜 three-cores
●載流量計算條件: Current ratings are calculated for the following installation conditions: ◇導(dǎo)體上限工作溫度 Max. Rated temperature of the cable conductor 90℃ ◇環(huán)境空氣溫度 Ambient temperature in air 40℃ ◇土壤溫度 Ground temperature 25℃ ◇土壤熱阻系數(shù) Rating factors for ground thermal resistive 1.0 ℃.m/W ◇埋設(shè)深度 Depth 0.8m ◇僅考慮一個回路 Single circuit parallel laid ◇單芯電纜為水平敷設(shè),間距為一個電纜外徑 Single core is paralleled installation. Adjacent space is equivalent to the diameter of cable. ●環(huán)境條件對電纜載流量的修正系數(shù) Rating factors of current rating for ambient condition ◇ 土壤敷設(shè) Direct in ground ◇ 不同土壤溫度下載流量修正系數(shù) Rating factors of current rating for ambient temperature
◇不同土壤熱阻載流量的修正系數(shù) Rating factors of current rating for ground thermal resistive
◇ 空氣敷設(shè) Direct in air ◇ 不同環(huán)境溫度下載流量的校正系數(shù) Rating factors of current rating for air thermal resistive.
本產(chǎn)品按GB/T12706-2008《額定電壓1kV到35kV擠包絕緣電力電纜及附件 第2部分 額定電壓6kV和30kV電纜 第3部分 額定電壓35kV電纜》標(biāo)準(zhǔn)生產(chǎn)，同時還可根據(jù)用戶需要按國際電工委員會推薦標(biāo)準(zhǔn)IEC、英國標(biāo)準(zhǔn)、德國標(biāo)準(zhǔn)及美國標(biāo)準(zhǔn)生產(chǎn)。
The product is manufactured according to the standard of GB12706 or IEC、BS、DIN and ICEA upon request.
適用范圍Applications
本產(chǎn)品適用于工頻額定電壓3.6/6kV～26/35kV輸配電線路作配送電能子用。
The product is suitable for use in power transmission and distribution lines with rated power frequency voltage 3.6/6kV～26/35kV.
使用特性O(shè)perating characteristics
· 工頻額定電壓U0/U為3.6/6kV～26/35kV。
Rated power-frepuency voltage U0/U: 3.6/6kV～26/35kV.
· 電纜導(dǎo)體的上限允許工作溫度：90℃。
Max.admissible operating temperature of the conductor:90℃.
· 短路時（上限時間不超過5s）電纜導(dǎo)體的上限溫度不超過2500C。
Max. short-circurt temperature of conductor shall not exceed 2500C.
(5s maximum duration)
· 電纜敷設(shè)時環(huán)境溫度應(yīng)不低于0℃。
The ambient temperature under installation should not below 0℃.
· 電纜彎曲半徑：三芯電纜不小于電纜外徑15倍；單芯電纜不小于電纜外徑20倍。
The bending radius of a single-core cable should not less than 20 times of the cable diameter.
The bending radius of a single-core cable should not less than 15 times of the cable diameter.
電纜額定電壓的選擇 Voltage designation
· 電纜的額定電壓應(yīng)適合于電纜系統(tǒng)的運(yùn)行狀況，用U0/U（Um）kV表示。
U0－電纜設(shè)計用的導(dǎo)體對地或金屬屏蔽之間的額定工頻電壓；
U－電纜設(shè)計用的導(dǎo)體間的額定工頻電壓；
Um－設(shè)備可承受的“上限系統(tǒng)電壓”的上限值。
The rated voltage of the cable for a given applixation shall be suitable for the operating conditions
in the system in which the cable is used,and is expressed in the form of U0/U（Um）kv Where:
U0－The rated power-frequency voltage between conductors and earth metallic screen ,for which the cable designed;
U － The rated power-frequency voltage between conductos, for which the cable designed;
Um－ The maximum value of the“highest system voltage”for which the equipment may beused.
· 三相系統(tǒng)用電纜的U0值推薦如下表：
he values of U0 recommened for cable to be used in three-phase systems are listed below:
U kV | U m kV | U 0 * kV | |
A 和 B 類系統(tǒng) System categories A and B | C 類系統(tǒng) Systems categories C | ||
6 | 7.2 | 3.6 | 6 |
10 | 12 | 6 | 8.7 |
15 | 17.5 | 8.7 | 12 |
20 | 24 | 12 | 18 |
30 | 36 | 18 | — |
35 | 40.5 | 21 | 26 |
型 號 Type | 名 稱 Description | 適 用 范 圍 Application |
YJV YJLV YJY YJLY | 銅芯交聯(lián)聚乙烯絕緣聚氯乙烯護(hù)套電力電纜 Copper core XLPE insulated PVC sheathed power cable. 鋁芯交聯(lián)聚乙烯絕緣聚氯乙烯護(hù)套電力電纜 Aluminium core XLPE insulated PVC sheathed power cable. 銅芯交聯(lián)聚乙烯絕緣聚乙烯護(hù)套電力電纜 Copper core XLPE insulated PE sheathed power cable. 鋁芯交聯(lián)聚乙烯絕緣聚乙烯護(hù)套電力電纜 Aluminium core XLPE insulated PE sheathed power cable. | 室內(nèi)、隧道及電纜溝等不能承受機(jī)械外力的場所。單芯電纜不允許敷設(shè)在磁性管道中。 For laying in doors、in tunnels and direct in ground, unable to bear external mechanical forces. Single core cable in magnetic duct is not permissible. |
YJV22 YJLV22 YJV23 YJLV23 | 銅芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚氯乙烯護(hù)套電力電纜 Copper core XLPE insulated steel tape armoured PVC sheathed power cable. 鋁芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚氯乙烯護(hù)套電力電纜 Aluminium core XLPE insulated steel tape armoured PVC sheathed power cable. 銅芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚乙烯護(hù)套電力電纜 Copper core XLPE insulated steel tape armoured PE sheathed power cable. 鋁芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚乙烯護(hù)套電力電纜 Aluminium core XLPE insulated steel tape armoured PE sheathed power cable. | 室內(nèi)、隧道、電纜溝等能承受機(jī)械外力的場所，但不能承受大的拉力。 For laying in doors、in tunnels and direct in ground, able to bear external mechanical forces，but unable to bear large pulling force. |
YJV32 YJLV32 YJV33 YJLV33 | 銅芯交聯(lián)聚乙烯絕緣細(xì)鋼絲鎧裝聚氯乙烯護(hù)套電力電纜 Copper core XLPE insulated steel wire armoured PVC sheathed power cable. 鋁芯交聯(lián)聚乙烯絕緣細(xì)鋼絲鎧裝聚乙烯護(hù)套電力電纜 Aluminium core XLPE insulated steel wire armoured PVC sheathed power cable 銅芯交聯(lián)聚乙烯絕緣細(xì)鋼絲鎧裝聚乙烯護(hù)套電力電纜 Copper core XLPE insulated steel wire armoured PE sheathed power cable. 鋁芯交聯(lián)聚乙烯絕緣細(xì)鋼絲鎧裝聚乙烯護(hù)套電力電纜 Aluminium core XLPE insulated steel wire armoured PE sheathed power cable. | 室內(nèi)、隧道、電纜溝、豎井等能承受機(jī)械外力和一定拉力的場所。 For laying in doors, in tunnels and direct in ground and wells, able to bear external mechanical forces and certain pulling force. |
型號 Type | 芯數(shù) Cores | 額 定電 壓 Rated Voltage kV | ||||||
3.6/6 | 6/6 6/10 | 8.7/10 8.7/15 | 12/15 12/20 | 18/20 18/30 | 21/35 | 26/35 | ||
標(biāo) 稱 截 面 Nominal cross sectional of areas mm2 | ||||||||
YJV YJLV YJY YJLY | 1 | 25-630 | 25-630 | 25-630 | 35-630 | 50-630 | 50-630 | 50-630 |
3 | 25-630 | 25-630 | 25-630 | 25-630 | 25-400 | 25-400 | 25-400 | |
YJV22 YJLV22 YJV23 YJLV23 | 1 | 25-630 | 25-630 | 25-630 | 35-630 | 50-630 | 50-630 | 50-630 |
3 | 25-630 | 25-630 | 25-630 | 35-600 | 50-400 | 50-400 | 50-400 | |
YJV32 YJLV32 YJV33 YJLV33 | 1 | 25-630 | 25-630 | 25-630 | 35-630 | 50-400 | 50-400 | 50-240 |
3 | 25-630 | 25-630 | 25-400 | 35-400 | 50-240 | 50-240 | 50-185 | |
導(dǎo)體標(biāo)稱截面 Nominal cross sectional areas of conductor mm2 | 銅 導(dǎo) 體 Copper conductor | 鋁 導(dǎo) 體 Aluminum conductor |
2.5 | 7.41 | 12.1 |
4 | 4.61 | 7.41 |
6 | 3.08 | 4.61 |
10 | 1.83 | 3.08 |
16 | 1.15 | 1.91 |
25 | 0.727 | 1.200 |
35 | 0.524 | 0.868 |
50 | 0.387 | 0.641 |
70 | 0.268 | 0.443 |
95 | 0.193 | 0.320 |
120 | 0.153 | 0.253 |
150 | 0.124 | 0.206 |
185 | 0.0991 | 0.164 |
240 | 0.0754 | 0.125 |
300 | 0.0601 | 0.100 |
400 | 0.0470 | 0.078 |
500 | 0.0366 | 0.0605 |
630 | 0.0283 | 0.0469 |
序號 NO. | 試 驗(yàn) 項 目 Test items | 額 定 電 壓 Rated voltage kV | ||||||
3.6/6 | 6/6 6/10 | 8.7/10 8.7/15 | 12/20 | 18/30 | 21/35 | 26/35 | ||
1 | 工頻交流電壓試驗(yàn) Power frequency A.C. voltage test kV/5min | 11 | 15 | 22 | 31 | 45 | 53 | 65 |
2 | 四小時工頻交流電壓試驗(yàn)kV High-voltage test for 4 hours. kV | 14.4 | 24 | 34.8 | 48 | 72 | 84 | 104 |
3 | 沖擊電壓試驗(yàn) kV Impulse voltage test kV | 60 | 75 | 95 | 125 | 170 | 200 | 250 |
4 | 局部放電試驗(yàn) 1.73U0下較大局部放電量 Partial discharge test Maximum discharge at 1.73 U0 pC | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
導(dǎo)體短路電流 Short-circuit current.
導(dǎo) 體 標(biāo) 稱 截 面 Nominal cross sectional areas of conductor mm2 | 導(dǎo)體較大允許短路電流 (1秒) A Conductor maximum short circuit current (1s) | |
銅 導(dǎo) 體 Copper conductor | 鋁 導(dǎo) 體 Aluminum conductor | |
10 | 1.51 | 0.986 |
16 | 2.39 | 1.56 |
25 | 3.69 | 2.42 |
35 | 5.15 | 3.37 |
50 | 7.31 | 4.79 |
70 | 10.2 | 6.68 |
95 | 13.8 | 9.03 |
120 | 17.4 | 11.4 |
150 | 21.7 | 14.2 |
185 | 26.7 | 17.5 |
240 | 34.6 | 22.6 |
300 | 43.1 | 28.2 |
400 | 57.4 | 37.6 |
500 | 71.7 | 47.0 |
630 | 88.8 | 58.0 |
電容、電感（參考值） Capacitance and inductance of cable (reference value)
◇ 電容 Capacitance
導(dǎo)體標(biāo)稱截面 Nominal cross sectional area of conductor mm2 | 額 定 電 壓（kV） Rated voltages | ||||||
3.6/6 | 6/6 6/10 | 8.7/10 8.7/15 | 12/20 | 18/20 18/30 | 21/35 | 26/35 | |
每 相 電 容 Capacitance μF/km | |||||||
25 | 0.2423 | 0.1922 | 0.1576 | --- | --- | --- | --- |
35 | 0.2684 | 0.2116 | 0.1725 | 0.1502 | --- | --- | --- |
50 | 0.3022 | 0.2367 | 0.1917 | 0.1661 | 0.1363 | 0.1239 | 0.1150 |
70 | 0.3462 | 0.2693 | 0.2167 | 0.1868 | 0.1508 | 0.1365 | 0.1263 |
95 | 0.3875 | 0.2999 | 0.2400 | 0.2060 | 0.1643 | 0.1483 | 0.1368 |
120 | 0.4236 | 0.3266 | 0.2603 | 0.2228 | 0.1760 | 0.1584 | 0.1460 |
150 | 0.4647 | 0.3570 | 0.2834 | 0.2418 | 0.1893 | 0.1700 | 0.1563 |
185 | 0.5059 | 0.3873 | 0.3123 | 0.2656 | 0.2026 | 0.1815 | 0.1665 |
240 | 0.5430 | 0.4290 | 0.3439 | 0.2916 | 0.2207 | 0.1972 | 0.1805 |
300 | 0.5589 | 0.4706 | 0.3755 | 0.3175 | 0.2387 | 0.2128 | 0.1945 |
400 | 0.5940 | 0.5311 | 0.4213 | 0.3551 | 0.2648 | 0.2354 | 0.2146 |
500 | 0.6167 | 0.5839 | 0.4613 | 0.3880 | 0.2876 | 0.2551 | 0.2321 |
630 | 0.6848 | 0.6481 | 0.5099 | 0.4278 | 0.3151 | 0.2789 | 0.2533 |
(A)
導(dǎo)體 Conductor | 標(biāo)稱截面 Nominal cross sectional areas mm2 | 非鎧裝型電纜 Unarmored | 鎧裝型電纜Armored | ||||
單芯 Single core | 三芯 Three cores | 三芯 Three cores | |||||
空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | ||
銅導(dǎo)體 Copper conductor | 25 | 165 | 160 | 135 | 150 | 135 | 150 |
35 | 205 | 190 | 160 | 180 | 165 | 175 | |
50 | 245 | 225 | 195 | 210 | 195 | 205 | |
70 | 305 | 275 | 245 | 260 | 245 | 255 | |
95 | 370 | 330 | 300 | 305 | 300 | 300 | |
120 | 430 | 375 | 345 | 350 | 345 | 345 | |
150 | 490 | 425 | 395 | 390 | 390 | 385 | |
185 | 560 | 480 | 455 | 445 | 445 | 435 | |
240 | 665 | 555 | 540 | 515 | 525 | 505 | |
300 | 765 | 630 | 615 | 580 | 595 | 565 | |
400 | 890 | 725 | 720 | 660 | 695 | 645 | |
鋁導(dǎo)體 Aluminum conductor | 25 | 130 | 120 | 105 | 115 | 105 | 115 |
35 | 155 | 145 | 130 | 140 | 130 | 140 | |
50 | 190 | 175 | 155 | 165 | 150 | 165 | |
70 | 235 | 215 | 190 | 200 | 190 | 195 | |
95 | 290 | 255 | 235 | 240 | 230 | 235 | |
120 | 335 | 290 | 270 | 275 | 265 | 270 | |
150 | 380 | 330 | 310 | 305 | 305 | 300 | |
185 | 435 | 370 | 355 | 350 | 350 | 340 | |
240 | 515 | 435 | 420 | 405 | 410 | 390 | |
300 | 595 | 490 | 485 | 455 | 470 | 445 | |
400 | 695 | 565 | 575 | 525 | 550 | 510 | |
(A)
導(dǎo)體 Conductor | 標(biāo)稱截面 Nominal cross sectional areas mm2 | 非鎧裝型電纜 Unarmored | 鎧裝型電纜Armored | ||||
單芯 Single core | 三芯 Three cores | 三芯 Three cores | |||||
空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | ||
銅導(dǎo)體 Copper conductor | 25 | 165 | 160 | 135 | 150 | 135 | 150 |
35 | 205 | 190 | 160 | 180 | 165 | 175 | |
50 | 245 | 225 | 195 | 210 | 195 | 205 | |
70 | 305 | 275 | 245 | 260 | 245 | 255 | |
95 | 370 | 330 | 300 | 305 | 300 | 300 | |
120 | 430 | 375 | 345 | 350 | 345 | 345 | |
150 | 490 | 425 | 395 | 390 | 390 | 385 | |
185 | 560 | 480 | 455 | 445 | 445 | 435 | |
240 | 665 | --- | 540 | 515 | 525 | 505 | |
300 | 765 | 630 | 615 | 580 | 595 | 565 | |
400 | 890 | 725 | 720 | 660 | 695 | 645 | |
鋁導(dǎo)體 Aluminum conductor | 25 | 130 | 120 | 105 | 115 | 105 | 115 |
35 | 155 | 145 | 130 | 140 | 130 | 140 | |
50 | 190 | 175 | 155 | 165 | 150 | 165 | |
70 | 235 | 215 | 190 | 200 | 190 | 195 | |
95 | 290 | 255 | 235 | 240 | 230 | 235 | |
120 | 335 | 290 | 270 | 275 | 265 | 270 | |
150 | 380 | 330 | 310 | 305 | 305 | 300 | |
185 | 435 | 370 | 355 | 350 | 350 | 340 | |
240 | 515 | 435 | 420 | 405 | 410 | 390 | |
300 | 595 | 490 | 485 | 455 | 470 | 445 | |
400 | 695 | 565 | 575 | 525 | 550 | 510 | |
(A)
導(dǎo)體 Conductor | 標(biāo)稱截面 Nominal cross sectional areas mm2 | 非鎧裝型電纜 Unarmored | 鎧裝型電纜Armored | ||||
單芯 Single core | 三芯 Three cores | 三芯 Three cores | |||||
空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | ||
銅導(dǎo)體 Copper conductor | 25 | 165 | 160 | 140 | 150 | 140 | 150 |
35 | 205 | 190 | 170 | 180 | 170 | 175 | |
50 | 245 | 225 | 205 | 210 | 205 | 210 | |
70 | 305 | 275 | 255 | 260 | 250 | 255 | |
95 | 370 | 330 | 310 | 305 | 310 | 305 | |
120 | 430 | 375 | 360 | 350 | 350 | 350 | |
150 | 490 | 425 | 405 | 390 | 400 | 390 | |
185 | 560 | 480 | 465 | 445 | 450 | 440 | |
240 | 665 | 555 | 550 | 520 | 530 | 510 | |
300 | 765 | 630 | 625 | 585 | 605 | 565 | |
400 | 890 | 725 | 730 | 665 | 700 | 645 | |
鋁導(dǎo)體 Aluminum conductor | 25 | 130 | 120 | 110 | 115 | 110 | 115 |
35 | 155 | 145 | 130 | 140 | 130 | 140 | |
50 | 160 | 175 | 160 | 165 | 160 | 165 | |
70 | 200 | 215 | 200 | 200 | 195 | 200 | |
95 | 245 | 255 | 240 | 240 | 240 | 240 | |
120 | 280 | 290 | 285 | 275 | 270 | 270 | |
150 | 320 | 330 | 315 | 305 | 310 | 300 | |
185 | 365 | 370 | 365 | 350 | 350 | 340 | |
240 | 435 | 435 | 430 | 405 | 415 | 400 | |
300 | 500 | 490 | 490 | 455 | 475 | 445 | |
400 | 585 | 565 | 580 | 525 | 555 | 515 | |
(A)
導(dǎo)體 Conductor | 標(biāo)稱截面 Nominal cross sectional areas mm2 | 非鎧裝型電纜 Unarmored | 鎧裝型電纜 Armored | ||||
單芯 Single core | 三芯 Three cores | 三芯 Three cores | |||||
空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | ||
銅導(dǎo)體 Copper conductor | 25 | 165 | 160 | 140 | 150 | 140 | 150 |
35 | 205 | 190 | 175 | 180 | 170 | 175 | |
50 | 245 | 225 | 210 | 210 | 205 | 205 | |
70 | 305 | 275 | 260 | 260 | 255 | 255 | |
95 | 370 | 330 | 315 | 315 | 310 | 305 | |
120 | 430 | 375 | 360 | 355 | 350 | 345 | |
150 | 490 | 425 | 410 | 400 | 400 | 385 | |
185 | 560 | 480 | 470 | 445 | 455 | 440 | |
240 | 665 | 555 | 555 | 520 | 535 | 510 | |
300 | 765 | 630 | 630 | 585 | 605 | 570 | |
400 | 890 | 725 | 735 | 665 | 705 | 645 | |
鋁導(dǎo)體 Aluminum conductor | 25 | 130 | 120 | 110 | 115 | 110 | 115 |
35 | 155 | 145 | 135 | 140 | 135 | 140 | |
50 | 190 | 175 | 160 | 165 | 160 | 165 | |
70 | 235 | 215 | 200 | 200 | 200 | 195 | |
95 | 290 | 255 | 245 | 245 | 240 | 240 | |
120 | 335 | 290 | 280 | 275 | 275 | 270 | |
150 | 380 | 330 | 320 | 305 | 310 | 300 | |
185 | 435 | 370 | 365 | 350 | 355 | 345 | |
240 | 515 | 435 | 430 | 405 | 415 | 400 | |
300 | 595 | 490 | 495 | 455 | 475 | 445 | |
400 | 695 | 565 | 580 | 525 | 560 | 515 | |
(A)
導(dǎo)體 Conductor | 標(biāo)稱截面 Nominal cross sectional areas mm2 | 非鎧裝型電纜 Unarmored | 鎧裝型電纜Armored | ||||
單芯 Single core | 三芯 Three cores | 三芯 Three cores | |||||
空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | ||
銅導(dǎo)體 Copper conductor | 50 | 245 | 225 | 215 | 210 | 210 | 205 |
70 | 305 | 275 | 270 | 265 | 265 | 255 | |
95 | 370 | 330 | 320 | 310 | 315 | 305 | |
120 | 425 | 375 | 370 | 360 | 360 | 345 | |
150 | 485 | 420 | 420 | 400 | 410 | 385 | |
185 | 555 | 475 | 480 | 445 | 465 | 440 | |
240 | 650 | 555 | 565 | 525 | 545 | 510 | |
300 | 745 | 630 | 640 | 585 | 615 | 570 | |
400 | 870 | 720 | 745 | 670 | 715 | 645 | |
鋁導(dǎo)體 Aluminum conductor | 50 | 190 | 175 | 165 | 165 | 165 | 165 |
70 | 235 | 215 | 205 | 205 | 205 | 200 | |
95 | 285 | 255 | 250 | 245 | 245 | 240 | |
120 | 330 | 290 | 285 | 275 | 280 | 270 | |
150 | 375 | 325 | 330 | 305 | 320 | 305 | |
185 | 430 | 370 | 375 | 350 | 365 | 350 | |
240 | 505 | 430 | 435 | 410 | 425 | 400 | |
300 | 580 | 490 | 505 | 455 | 485 | 450 | |
400 | 680 | 565 | 590 | 525 | 570 | 515 | |
(A)
導(dǎo)體 Conductor | 標(biāo)稱截面 Nominal cross sectional areas mm2 | 非鎧裝型電纜 Unarmored | 鎧裝型電纜Armored | ||||
單芯 Single core | 三芯 Three cores | 三芯 Three cores | |||||
空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | ||
銅導(dǎo)體 Copper conductor | 50 | 245 | 225 | 215 | 210 | 210 | 210 |
70 | 305 | 275 | 270 | 265 | 260 | 260 | |
95 | 370 | 330 | 325 | 315 | 330 | 315 | |
120 | 425 | 375 | 370 | 355 | 360 | 350 | |
150 | 485 | 420 | 425 | 400 | 410 | 390 | |
185 | 555 | 475 | 480 | 450 | 465 | 445 | |
240 | 650 | 555 | 565 | 525 | 545 | 515 | |
300 | 745 | 630 | 645 | 590 | 610 | 565 | |
400 | 870 | 720 | 750 | 675 | - | - | |
500 | 1000 | 825 | - | - | - | - | |
鋁導(dǎo)體 Aluminum conductor | 50 | 190 | 175 | 165 | 170 | 165 | 165 |
70 | 235 | 215 | 210 | 200 | 200 | 200 | |
95 | 285 | 255 | 250 | 245 | 255 | 245 | |
120 | 330 | 290 | 290 | 275 | 280 | 270 | |
150 | 375 | 325 | 330 | 315 | 320 | 300 | |
185 | 430 | 370 | 375 | 350 | 365 | 345 | |
240 | 505 | 430 | 440 | 410 | 425 | 400 | |
300 | 580 | 490 | 505 | 460 | 475 | 445 | |
400 | 680 | 565 | 590 | 530 | - | - | |
500 | 790 | 645 | - | - | - | - | |
(A)
導(dǎo)體 Conductor | 標(biāo)稱截面 Nominal cross sectional area mm2 | 非鎧裝型電纜 Unarmored | 鎧裝型電纜Armored | ||||
單芯 Single core | 三芯 Three cores | 三芯 Three cores | |||||
空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | 空氣 In air | 土壤 Buried | ||
銅導(dǎo)體 Copper conductor | 50 | 245 | 225 | 215 | 210 | 210 | 210 |
70 | 305 | 275 | 270 | 265 | 260 | 260 | |
95 | 370 | 330 | 325 | 315 | 330 | 315 | |
120 | 425 | 375 | 370 | 355 | 360 | 350 | |
150 | 485 | 420 | 425 | 400 | 410 | 390 | |
185 | 555 | 475 | 480 | 450 | 465 | 445 | |
240 | 650 | 555 | 565 | 525 | 545 | 515 | |
300 | 745 | 630 | 645 | 590 | 610 | 565 | |
400 | 870 | 720 | 750 | 675 | - | - | |
500 | 1000 | 825 | - | - | - | - | |
630 | 1160 | 940 | - | - | - | - | |
鋁導(dǎo)體 Aluminum conductor | 50 | 190 | 175 | 165 | 170 | 165 | 165 |
70 | 235 | 215 | 210 | 200 | 200 | 200 | |
95 | 285 | 255 | 250 | 245 | 255 | 245 | |
120 | 330 | 290 | 290 | 275 | 280 | 270 | |
150 | 375 | 325 | 330 | 315 | 320 | 300 | |
185 | 430 | 370 | 375 | 350 | 365 | 345 | |
240 | 505 | 430 | 440 | 410 | 425 | 400 | |
300 | 580 | 492 | 505 | 460 | 475 | 445 | |
400 | 680 | 565 | 590 | 530 | - | - | |
500 | 790 | 645 | - | - | - | - | |
630 | 920 | 740 | - | - | - | - | |
導(dǎo)體標(biāo)稱截面 Nominal cross section areas of conductor mm2 | 額定電壓(kV) Rated voltages | ||||||
3.6/6 | 6/6 6/10 | 8.7/10 8.7/15 | 12/20 | 18/20 18/30 | 21/35 | 26/35 | |
短路電流（A） Short circuit current. | |||||||
25 | 1075 | 1083 | 1094 | --- | --- | --- | --- |
35 | 1074 | 1082 | 1092 | 1096 | --- | --- | --- |
50 | 1072 | 1080 | 1091 | 1095 | 1284 | 1286 | 1288 |
70 | 1070 | 1079 | 1090 | 1091 | 1281 | 1285 | 1286 |
95 | 1069 | 1077 | 1086 | 1272 | 1280 | 1284 | 1283 |
120 | 1068 | 1077 | 1266 | 1271 | 1279 | 1280 | 1282 |
150 | 1067 | 1076 | 1265 | 1270 | 1278 | 1279 | 1282 |
185 | 1064 | 1251 | 1264 | 1267 | 1275 | 1279 | 1279 |
240 | 1241 | 1250 | 1262 | 1266 | 1274 | 1276 | 1278 |
300 | 1239 | 1246 | 1261 | 1265 | 1271 | 1275 | 1277 |
400 | 1240 | 1245 | 1256 | 1260 | 1270 | 1272 | 1274 |
500 | 1243 | 1244 | 1253 | 1257 | 1266 | 1272 | 1273 |
630 | 1236 | 1238 | 1252 | 1253 | 1265 | 1270 | 1270 |
導(dǎo)體標(biāo)稱截面 Nominal cross section areas of conductor mm2 | 額定電壓（kV） Rated voltages | ||||||
3.6/6 | 6/6 6/10 | 8.7/10 8.7/15 | 12/20 | 18/20 18/30 | 21/35 | 26/35 | |
短路電流（A） Short circuit current. | |||||||
25 | 2958 | 2958 | 2958 | --- | --- | --- | --- |
35 | 2958 | 2958 | 2958 | 2958 | --- | --- | --- |
50 | 2958 | 2958 | 2958 | 2958 | 3031 | 3031 | 3031 |
70 | 2958 | 2958 | 2958 | 2958 | 3031 | 3031 | 3031 |
95 | 2958 | 2958 | 2958 | 3031 | 3031 | 3031 | 3031 |
120 | 2958 | 2958 | 2958 | 3031 | 3031 | 3031 | 3031 |
150 | 2958 | 2958 | 3031 | 3031 | 3031 | 3031 | 3031 |
185 | 2958 | 2958 | 3031 | 3031 | 3031 | 3031 | 3031 |
240 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 |
300 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 |
400 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 |
500 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 |
630 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 | 3031 |
土壤溫度℃ Ground temperature | 15 | 20 | 25 | 30 | 35 | 40 | 45 |
系 數(shù) Rating factors | 1.07 | 1.04 | 1.0 | 0.96 | 0.92 | 0.87 | 0.83 |
土壤熱阻 Rating factors for ground thermal resistive ℃.m/w | 1.0 | 1.2 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 |
三芯電纜 Single core | 1.0 | 0.943 | 0.877 | 0.792 | 0.736 | 0.675 | 0.641 |
單芯電纜 Three core | 1.0 | 0.934 | 0.850 | 0.748 | 0.692 | 0.635 | 0.598 |
環(huán)境空氣溫度℃ Air temperature ℃ | 20 | 25 | 30 | 35 | 40 | 45 | 50 |
系 數(shù) Rating factors | 1.18 | 1.14 | 1.10 | 1.05 | 1.0 | 0.95 | 0.89 |