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The basic method of power cable section selection at

Information Source:Henan Huadong Cable Co., Ltd Release date:2014-02-18

Usually there will be a lot of people feel headache in the section and selection of power cable, how to select the section power cable suitable time? The following is a basic method in section selection of power cable at:

(1) rated voltage of cable should be greater than or equal to the rated voltage of the power supply system installed;

(2) cable continuing allowable current should be equal to or greater than the maximum continuous current load;

(3) core cross section to meet the stability of power system short-circuit requirements;

(4) according to the length of the cable voltage drop is in accordance with the requirements of checking;

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

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