全了！導(dǎo)體電阻、電容、電感、短路電流、交流耐壓、局部放電等

電纜主要技術(shù)參數(shù) Main technical data of cable

20℃時(shí)導(dǎo)體最大直流電阻 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

 （注：1.73U0的局部放電試驗(yàn)的放電靈敏度是型式試驗(yàn)規(guī)定值，例行試驗(yàn)是10PC或更優(yōu)。）

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 three cores cable

電流載流量 The current carrying capacity

0.6/1kv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)

3.6/6~26/35kv

金屬屏蔽層的短路電路 Short circuit current of screen 

 單芯電纜 Single core

三芯電纜 Three-cores

   載流量計(jì)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90℃PVC insulated 70℃ ,XPLE insulated 90℃ 環(huán)境空氣溫度：Ambient air temperature 40℃

    土壤溫度：soil 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(gè)回路 Single circuit parallel laid 單芯電纜為水平敷設(shè),間距為一個(gè)電纜外徑Single core is paralleled installation .Adjacent space is equivalent to the diameter of cable.

    環(huán)境條件對(duì)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

標(biāo)準(zhǔn)文件進(jìn)行電纜載流量計(jì)算