What Provisions Should Be Followed In Selecting The Section Of The Power Cable

- Jul 01, 2019-

The selection of power cable shall follow the following principles: 

(1) The rated voltage of the cable is greater than or equal to the rated voltage of the installation point power supply system; 

(2) The continuous allowable current of the cable shall be equal to or greater than the maximum continuous current of the supply load; 

(3) The wire core section to meet the power supply system short-circuit stability requirements, 

(4) According to the cable length check whether the voltage drop meet the requirements; 

(5) The minimum short-circuit current at the end of the line should be able to make the protective device reliable.