❶ 100KVA,160KVA,250KVA,300KVA镄凧P镆灭殑鍙栨牱鐢垫祦浜掓劅鍣ㄩ夋嫨澶氩皯姣5镄勫彉姣旓纻镐庝箞璁$畻镄勶纻璋㈣阿
100/鈭3*0.4=144.33,镓浠200~400/5A锛屾渶杩戝垰瀛︿範锛屽洜涓猴纸200-144.33锛/144.33<0.67鍗2/3锛屽啀鐣欐湁瑁曞害灏卞彲浠ヤ简銆傚簲璇ユ槸杩欐牱镄勚傛㈣繋璁ㄨ