nhvv電纜
產品
本產品按gb12706《額定電壓35kv及以下銅芯、鋁芯塑料絕緣電力電纜》和gb12666《電線電纜實驗》生產，同時還可根據用戶需要按電工會的iec、英國bs、德國din、美國icea及jis生產。
the product is manufactured according to the standard of gb12706&gb12666/iec,bs,din,icea,and jis upon request.
適用范圍
本產品適用于工頻額定電壓0.6/1kv及以下配電線路或工業裝置中有耐火要求的固定敷設場所使用。
the product is suitable for use in power distribution lines/fixed installations with rated power-frequency voltage up to&including 0.6/1kv.
使用特性
·工頻額定電壓u0/u:0.6/1kv。
rated power-frequency voltage u0/u:0.6/1kv.
·電纜導體的高允許長期工作溫度pvc/xlpe:70℃/90℃.
max.permissible continuous operating temperature of conductor (pvc/xlpe): 70℃/90℃
·短路時長時間不超過5s電纜導體高允許溫度
pvc:導體截面≤300mm2-160℃
導體截面＞300mm2-140℃
xlpe:250℃
max.short-circuit temperature of the conductor shall not exceed(5s maxiumduration):
pvc:cross-section of conductor≤300mm2-160℃
cross-section of conductor＞300mm2-140℃
xlpe:250℃
·電纜敷設時溫度應不低于0℃
the ambient temperature under installation should not below 0℃
·電纜的彎曲半徑：多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 multicore-cable should not less than 15 times of the cable diameter.
電纜的型號type of cable
結構尺寸及主要技術參數construction&main technical data
·0.6/1kv單芯耐火電力電纜nh(b)-vv nha-vv nh(b)-yjv nha-yjv
0.6/1kv single-core fire power cable
供應鋼帶鎧裝電力電纜yjv高速公路-供應鋼帶鎧裝電力電纜yjv高速公路-供應鋼帶鎧裝電力電纜yjv高速公路-
供應鋼帶鎧裝電力電纜yjv高速公路-供應鋼帶鎧裝電力電纜yjv高速公路-供應鋼帶鎧裝電力電纜yjv高速公路-
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