| A類系統──該類系統任何一相導體與地和接地導體接觸時，能在1min內與系統分離 B類系統──該類系統僅包括單相接地故障短時運行的條件，接地故障時間應不超過1h, 但在任何情況下，zui長不超過8h每年接地故障總持續時間不超過125h； C類系統──不屬于A類、B類的系統。 System category A──This category comprises those systems in which any phase conductor that comes in contact with earth or an earth conductor. is disconnected from the system within 1 min. System category B ──This category comprises those system which,under faultconditions,are operated,are operated for ashorttimewith one phase earthed.This period should not exceed 1 h..Fora longer period, not exceeding 8h on any occasion, can be tolerated.The total duration of earth faults in any year should not exceed 125h. System categeory C──This category comprises all systems which do not fall into A and B 電纜的型號Type of cable | | 型號 Type | 名稱 Designation | 適用范圍 Applicationzr-yjv3*50+1*16阻燃電力電纜價格 | | YJV | 銅芯交聯聚乙烯絕緣氯乙烯護套電力電纜 Copper conductor,XLPE insulated and PVC sheathed power cable | 室內、隧道及電纜溝等場所，不能承受機械外力。單芯電纜不允許敷設在磁性管道中。 For laying indoors 、 intunnel or cable trench,unable to bear external mechan-icazr-yjv3*50+1*16阻燃電力電纜價格lforces.Single-core cable in magnetic duct is not permissible | | YJLY | 鋁芯交聯聚乙烯絕緣乙烯護套電力電纜 Aluminium conductor, XLPE insulated and PVC sheathed power cable | | YJY | 銅芯交聯聚乙烯絕緣氯乙烯護套電力電纜 Copper conductor ,XLPE insulated and PEsheathed power cable | | YJLY | 鋁芯交聯聚乙烯絕緣氯乙烯護套電力電纜 Alumimium conductor ,XLPE insulated and PEsheathed power cable | | YJV22 | 銅芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Copper conductor ,XLPE insulated, steel tape armoured and PVC sheathed power cable | 室內、隧道、電纜溝內，或埋地敷設等，能承受一定機械外力，但不能承受大的拉力。 For laying indoors 、 in tunnel, cable trench, or direct in ground,able to bear external mechanicalforces, but unable to bear large pulling force 。 | | YJLV22 | 鋁芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable | | YJV23 | 銅芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Copper conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable | | YJLV23 | 鋁芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable | | YJV32 | 銅芯交聯聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Copper conductor,XLPE insulated,steel wire armoured and PVC sheathed power cable | 室內、隧道、電纜溝、豎井或埋地敷設等，能承受機械外力和一定的拉力。 For laying indoors 、 in tunnel, cable french, well or direct in ground,able to bear external mechanical forces, and certain force 。 | | YJLV32 | 鋁芯交聯聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated, steel wire armoured and PVC sheathed power cable | | YJV33 | 銅芯交聯聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Copper conductor ,XLPE insulated ,steel wire armoured and PVC sheathed power cable | | YJLV33 | 鋁芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated ,steel wire armoured and PVC sheathed power cable |
| | 生產范圍Production range of cable | | 型號 Type | 芯數 Nomber of cores | 額定電壓 Rated Voltage kV | | 3.6/6 | 6/6 6/10 | 8.7/10 8.7/15 | 12/20 | 18/20 18/30 | 21/35 | 26/35 | | 導體標稱截面 Nominal cross-section of conductlr mm2 | | YJV YJLV YJY YJLY | 1 | 25-800 | 25-800 | 25-800 | 35-800 | 50-630 | 50-630 | 50-630 | | 3 | 25-630 | 25-630 | 25-500 | 35-500 | 50-400 | 50-400 | 50-400 | | YJV22 YJLV22 YJY23 YJLY23 | 1 | 25-800 | 25-800 | 25-800 | 35-800 | 50-630 | 50-630 | 50-630 | | 3 | 25-630 | 25-630 | 25-500 | 35-500 | 50-400 | 50-400 | 50-400 | | YJV32 YJLV32 YJY33 YJLY33 | 1 | 25-800 | 25-800 | 25-800 | 35-800 | 50-630 | 50-630 | 50-630 | | 3 | 25-630 | 25-630 | 25-400 | 35-400 | 50-240 | 50-185 | 50-150 |
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