電線(xiàn)電纜網(wǎng) > 線(xiàn)纜設(shè)計(jì)|參數(shù)計(jì)算 > 求高手指導(dǎo)載流量問(wèn)題（完整版）
求高手指導(dǎo)載流量問(wèn)題 - 無(wú)圖版
jiabinghui --- 2012-05-04 08:55:53
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請(qǐng)問(wèn)哪位高手知道：YJLQ02-Z和YJLQ02 都是64/110kV 1×800mm2的電纜，其在土壤中都是等邊三角形敷設(shè)，土壤系數(shù)1.0 這兩個(gè)的規(guī)格的電纜載流量一樣嗎？都是多少呀？數(shù)據(jù)相當(dāng)重要撒..........請(qǐng)高手指導(dǎo)
！謝謝
！謝謝2008ls --- 2012-05-04 10:48:01
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等待高手解惑！
500kV110 --- 2012-05-04 14:19:31
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| 直接埋地平行敷設(shè)： | ||||
| I={[(90-30)-0.295×(0.5×0.486+0.182+1.248)] | ||||
| /[0.00002876×(0.486+(1+0.08)×(0.182+1.248))]}^0.5 | = | 1010 | (A) | |
| 直接埋地三角形敷設(shè)： | ||||
| I={[(90-30)-0.295×(0.5×0.486+0.182+1.234)] | ||||
| /[0.00002876×(0.486+(1+0.04)×(0.182+1.234))]}^0.5 | = | 1014 | (A) | |
| 穿管埋地平行敷設(shè)： | ||||
| I={[(90-30)-0.295×(0.5×0.486+0.182+1.587)] | ||||
| /[0.00002876×(0.486+(1+0.08)×(0.182+1.587))]}^0.5 | = | 929 | (A) | |
| 穿管埋地三角形敷設(shè)： | ||||
| I={[(90-30)-0.295×(0.5×0.486+0.182+1.573)] | ||||
| /[0.00002876×(0.486+(1+0.04)×(0.182+1.573))]}^0.5 | = | 932 | (A) | |
| 空氣中平行敷設(shè)： | ||||
| I={[(90-40)-0.295×(0.5×0.486+0.182+0.322)] | ||||
| /[0.00002876×(0.486+(1+0.08)×(0.182+0.322))]}^0.5 | = | 1296 | (A) | |
| 空氣中三角形敷設(shè)： | ||||
| I={[(90-40)-0.295×(0.5×0.486+0.182+0.323)] | ||||
| /[0.00002876×(0.486+(1+0.04)×(0.182+0.323))]}^0.5 | = | 1296 | (A) | |
| 穿管空氣中平行敷設(shè)： | ||||
| I={[(90-40)-0.295×(0.5×0.486+0.182+0.637)] | ||||
| /[0.00002876×(0.486+(1+0.08)×(0.182+0.637))]}^0.5 | = | 1123 | (A) | |
| 穿管空氣中三角形敷設(shè)： | ||||
| I={[(90-40)-0.295×(0.5×0.486+0.182+0.638)] | ||||
| /[0.00002876×(0.486+(1+0.04)×(0.182+0.638))]}^0.5 | = | 1122 | (A) | |
500kV110 --- 2012-05-04 14:28:34
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以上計(jì)算時(shí)，土壤系數(shù)1.0 ，空氣溫度40度，土壤溫度30度。
［500kV110 在 2012-5-4 14:30:31 編輯過(guò)］
jiabinghui --- 2012-05-04 18:16:54
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謝謝啦