电力电缆

被困 铜 铝

聚乙烯绝缘电力电缆的额定电压19/33kV执行标准制造这个产品将按BS 6622 BS EN / IEC 60228标准。爱游戏ayx守望先锋应用范围将电缆应用于电力传输和分配系统在额定voltage19/33kV 1操作特性。额定电压:情况/ U(嗯):19/33 kV (36)。U0-Rated地球之间的工频电压和金属屏蔽导体电缆设计;U-Rated工频电压之间的导体电缆设计;Um-Bearable马克斯“max系统电压”设备的价值。2。马克斯指挥操作在正常操作温度:90℃聚乙烯绝缘。3所示。马克斯在电缆短路导体温度:250℃聚乙烯绝缘(Max。持续时间5秒。)4.分钟。 bending radius of cable during installation: （1）Single-core cable: 15D. （2）Multi-core cable: 12D. D—Actual O.D of cable sample (mm) 5 .Cable Installation The ambient temp of cable installation shall not be less than 0℃, the cable shall be preheated if it is less than 0℃. Cable structure 1. Conductor: category stranded copper conductor as per BS EN/IEC 60228. 2. Conductor screen: semi-conducting screen material. 3. Insulation: XLPE type GP8 as per BS 7655. 4. Insulation screen: semi-conducting screen material. 5. Metallic screen: copper tape or wire screen as per BS 6622. 6. Filler: polypropylene nets PP strip. 7. Wrapping tape: non-woven fabrics. 8. Separating sheath: PVC type 9 as per BS 7655. 9. Armor: aluminum wire for single-core cable, steel wire for multi-core cable. 10. Outer sheath: PVC type 9 as per BS 7655.