電力電纜參數(shù)

1、電纜主要技術(shù)參數(shù) Main technical data of cable20時導(dǎo)體最大直流電阻 Max.D.C resistance of conductor at 20電壓試驗、局部放電試驗 Voltage test and partial discharge導(dǎo)體短路電流 Short circuit current電容、電感（參考值） Capacitance and inductance of cable (reference value)電容 Capacitance單芯電纜電感 Inductance of single core cable三芯電纜電感 Inductance of thr

2、ee cores cable電流載流量 The current carrying capacity0.6/1kv聚氯乙烯絕緣電力電纜 0.6/1kv PVC insulated power cable (A)在土壤中的敷設(shè) Buried (A)0.6/1KV交聯(lián)聚氯乙烯絕緣非鎧裝型電力電纜 0.6/1kv XPLE insulated unarmoured power cable (A)0.6/1KV 交聯(lián)聚乙烯絕緣鎧裝型電力電纜 0.6/1kv XLPE insulated armoured power cable (A)3.6/626/35kv金屬屏蔽層的短路電路 Short circui

3、t 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)體最高工作溫度 Max. Rated temperature of the cable conductor 聚氯乙烯絕緣為70，交聯(lián)聚乙烯絕緣為90PVC insulated 70 ,XPLE insulated 90 環(huán)境空氣溫度：Ambient air temperature 40土壤溫度：soil tempera

4、ture 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) Rati