ä¸ç¸çµçº¿çµå380V , æ»åçP=61KW=61000W, 线çµæµI=P/(380 * â3)=92.7A
æåçå æ°0ã927ï¼å¤§çº¦ï¼ I2=92ã7/0ã927=100A
æç»æµçµæµå¯åº¦2ã5A/mm^2, çµçº¿çæªé¢ç§¯S=100/2ã5=40mm^2
çµçº¿çåå¾r=3.6mm çµçº¿çç´å¾D=7ã2mm
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