| 1. | Low voltage ac system operating voltages from 120 to 600 vac
低压交流电系统中从120到600vac的电压称为低压。 |
| 2. | Medium voltage ac system operating voltages from 601 to 15000 vac
中压交流电系统中从601到15000vac的电压称为中压。 |
| 3. | Artificial pollution tests on high - voltage insulators to be used on a . c . systems
交流电系统用高压绝缘子的人工污染试验 |
| 4. | Surge arresters - metal - oxide surge arresters without gaps for a . c . systems
避雷器.第4部分:交流电系统用无间隙金属氧化物避雷器 |
| 5. | Short - circuit currents in three - phase a . c . systems - part 0 : calculation of currents
三相交流电系统内短路电流.第0部分:电流的计算 |
| 6. | Surge arresters - part 4 : metal - oxide surge arresters without gaps for a . c . systems
避雷器.第4部分:交流电系统用物间隙金属氧化物避雷器 |
| 7. | Surge arresters - part 4 : metal - oxide surge arresters without gaps for a . c . systems
避雷器.第4部分:交流电系统用无间隙金属氧化物避雷器 |
| 8. | Surge arresters - part 1 : non linear resistor type grapped surge arresters for a . c . systems
电涌放电器.第1部分:交流电系统用非线性电阻器型电涌放电器 |
| 9. | Surge arresters - part 4 : metal - oxide surge arresters without gaps for a . c . systems ; amendment 2
电涌放电器.第4部分:交流电系统用无间隙金属氧化物电涌放电器 |
| 10. | Three phase , manually operated subsurface load interrupting switches for alternating - current systems , requirements for
三相交流电系统亚层负载断开开关手工操作要求 |
