YJV電力電纜優(yōu)質(zhì)廠家供應(yīng)商
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截 面 （mm2） |
0.6/1KV(A) θn=90℃ |
6/6KV~8.7/10KV(A) θn=90℃ |
26/35KV(A) θn=80℃ |
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4 芯 |
單芯θn=30℃ |
3 芯 |
單芯θn=30℃ |
3芯 |
單芯θn=30℃ |
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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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YJV電力電纜優(yōu)質(zhì)廠家供應(yīng)商
|
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 Operating 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)體的最高允許工作溫度：90℃。 Max.admissible operating temperature of the conductor:90℃. · 短路時(shí)（最長(zhǎng)時(shí)間不超過(guò)5s）電纜導(dǎo)體的最高溫度不超過(guò)2500C。 Max. short-circurt temperature of conductor shall not exceed 2500C. (5s maximum duration) · 電纜敷設(shè)時(shí)環(huán)境溫度應(yīng)不低于00C。 The ambient temperature under installation should not below 00C. · 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(jì)用的導(dǎo)體對(duì)地或金屬屏蔽之間的額定工頻電壓； U－電纜設(shè)計(jì)用的導(dǎo)體間的額定工頻電壓； Um－設(shè)備可承受的“最高系統(tǒng)電壓”的最大值。 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 b of U0/U（Um）kv Where: U0－The rated power-frequency voltage between conductors and earth bllic 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： The values of U0 recommened for cable to be used in three-phase systems are listed below:
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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(shí)，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(shí)運(yùn)行的條件，接地故障時(shí)間應(yīng)不超過(guò)1h, 但在任何情況下，最長(zhǎng)不超過(guò)8h每年接地故障總持續(xù)時(shí)間不超過(guò)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 |
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YJV電力電纜優(yōu)質(zhì)廠家供應(yīng)商
