Selection of fuses must be carried out according to their use conditions, mainly they are system voltage, rated current, short circuit capacity, protection suitability etc.
熔断器选择必须依据其使用条件来进行，主要有系统电压、额定电流、短路容量、保护配合等。
The rated voltage of cable shall be applicable to system operation condition where the cable lain in.
电缆的额定电压应适合电缆所在系统的运行条件。
Not be more than the rated voltage of the system by 1.5 times.
系统的工作电压应不大于系统额定电压的1.5倍。
With the increase of rated voltage and capacity of power equipment, higher reliability of power system is expected.
随着电力系统电压等级的提高、设备容量的增大，对系统安全性、稳定性的要求也越来越高。
When the cables use in direct current system, rated voltage should be not greater than 1.5 times of the rated voltage of the cables.
当电缆使用地直流系统时，该系统的额定电压应不大于电缆额定电压的1.5倍。
In AC system, working voltage not more than 1.1 times of rated voltage. In DC system, working voltage not more than 1.5 times of rated voltage.
交流系统中，工作电压不大于额定电压1.1倍，直流系统中，工作电压不大于额定电压1.5倍。
When the cables use in direct current system, rated voltage should be not greater than 1.
当电缆使用地直流系统时，该系统的额定电压应不大于电缆额定电压的1.5倍。
When the cables use in direct current system, rated voltage should be not greater than 1.
当电缆使用地直流系统时，该系统的额定电压应不大于电缆额定电压的1.5倍。
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