REF卷筒電纜

卷筒電纜技術性能說明  Technical characteristic specification of reeling cable
1．執行標準 Standard 
產品執行Q/320481SS136 標準。 The cable is manufactured in accordance with enterprise standard Q/320481SS136.
2．產品用途 Application 產品適用于快速移動的港口機械如起重機、集裝箱吊機等，也可用于其他類型移動設備的電力提供， 如露天作業及井下采礦等。 The product is suitable for port machinery with high travel speed, e.g. cranes, container cranes, also for power supply of other mobile equipment, such as open-cast and underground mine, etc.
3．產品使用特性 characteristics
3.1 電纜額定電壓U0/U=0.6/1kV。 Rated voltage U0/U=0.6/1kV. 
3.2電纜導體允許長期工作溫度為：90℃。 Maximum permissible operating temperature of conductor 90℃
3.3電纜導體允許短路溫度為：不超過250℃，持續時間不超過5秒。 Permissible short-circuit temperature of conductor: not exceeding 250 , duration not exceeding 5s ℃
3.4電纜電磁屏蔽：采用對稱三芯設計及緊密制造工藝，有效降低干擾。 EMC performance: use a symmetrical three- core design with narrow manufacturing rates, reducing the interference level 3.5電纜適用環境溫度-25℃～80℃。 Applicable ambient temperature is -25℃～80℃.  3.6運行速度不得高于60米/分鐘。 Travel speed shall not be faster than 60m/min. 3.7電纜最小彎曲半徑：不小于 6 倍電纜外徑。 Minimum bending radius of cable, not less than 12 times OD of cable 3.8電纜具備耐臭氧、耐油、防紫外線和防潮濕的特性。 Cable is resistant to ozone, oil, UV and moisture. www.24guaji.com

4.電纜結構示意圖 Drawing  

5．電纜結構尺寸 structure and dimension
REF 0.6/1kV 電纜 REF cable (0.6/1kV)
規格 Size
導體計算外徑 mm (主線芯)  Calculated diameter of phase conductor
電纜參考最大外徑 mm Maximum reference OD of cable
參考重量 kg/km Reference weight
最大計算 拉力 N  Maximum calculated tensile force
30℃參考 載流量 A Reference current carrying capacity at 30℃
3×50+3×25/3 10.0 41.2 3070 4500 205 3×240+3×120/3 21.9 77.0 12260 21600 540
7．不同空氣環境溫度下的載流量修正系數(供參考) Correction factor of current carrying capacity under different air temperatures ( for information only)
導體工作溫度 (℃)
空  氣  溫  度  (℃)
10 15 20 25 30 35 40 45 50 55 60 65 70
90 1.15 1.12 1.08 1.04 1 0.96 0.91 0.87 0.82 0.76 0.71 0.65 0.58。