| 1. | The materials and section - size calculation of earthing conductors in the rectified station 整流所接地导体的材料选择及截面计算 |
| 2. | Earthing conductor terminals for small motors ; requirements , tests , design examples 小电机接地保护导体接线端.要求,试验和设计示例 |
| 3. | Do not disturb any earthing conductors connecting the overhead line polestowers to the ground 不得干扰接驳架空电缆杆塔与地面的任何接地导体。 |
| 4. | Connecting point for earthing and short circuiting devices ; connecting piece for earthing conductors 接地和短路设备的接点.第5部分:接地导线的连接件 |
| 5. | Earthing conductors are normally buried underground and connected to the overhead line from the bottom of the polestowers 接地导体通常埋于地下,并从杆塔底接驳至架空电缆。 |
| 6. | 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 with in i min A类系统一一该类系统任何一相导体与地或接地导体接触时,能在lmin内与系统分离; |
| 7. | We adopt the positive temperature coefficient real core resistance wire as the heating body and xlpe insulator as the inner core to make the heating cable with pvc coating outside or hdpe sheath . metal screen heating cable has earth conductor and aluminum screen layer or copper web screen layer . the product has advanced tie - in technology and it is safe , reliable and convenience for operation . the performance indexes meet iec800 standard . 3 . technology indexes 本公司生产的发热电缆采用正温度系数实芯电阻线发热体,内芯采用xlpe绝缘,外包覆pvc或hdpe护套,屏蔽发热电缆具有接地导线和铝壳屏蔽层或铜网屏蔽层采用先进的接头工艺,施工安全可靠方便性能指标符合iec800标准要求。 |