Bridging Insulated Cable With 10kV and the Under Rated
额定电压1KV及以下架空绝缘电缆
一、Product Standard This product implements standard GBl2527-90
二、Usage This product is suitable for use in rated AC voltage 1KV and below insulated overhead power cable lines.
三、 Property for Use 1. Rated voltage is 1KV; 2. Allowed work temperature of cable for a long period is 70℃; 3. Temperature for laying cable should be not less than-20℃; 4. Allowed bend radius of cable: For overall diameter(D)less than 25mm,should not be less than 4D. For overall diameter(D)25mm and above,should be not less than 6D
四、Types For types of overhead insulated cable,see Table 1
Note:Allowed to touch trees frequently 五、Specifications For specifications of overhead insulated cable,see Table 2. Note:K is neutral conductor with carrier.Select any of cross- section to match the main core according to the require- ments of distributing project. 六、Diagram of Structure 1. Conductor 2. Insulation 3. Mark for phase 七、Technical Property 1.For cable structure,size and chief technical parameters, see Table 3. Table 3 2. Conductor adopts extruded round twisted copper and aluminium conductors. 3. Insulation adopts climate-resisting PVC or PE black insulation plastics. 4. Cable should undergo 3, 500V 1 min. voltage test. Sinlg core cable should be carried out after being soaked in room temperature for 1hr.