185wk380V电动机需求多大电线 380v5.5KW电动机需要配多大电线?
185wk380v\u7535\u52a8\u673a\u9700\u6c42\u591a\u5927\u7535\u7ebf185/\u221a3/O\u00b738/0\u00b785\u2248331A
\u987b150\u5e73\u7c73\u94dc\u7ebf(333~370A)
\u4f60\u8fd9\u662f\u4e00\u4e2a\u8f93\u7535\u7ebf\u5f84\u9009\u62e9\u7684\u95ee\u9898\u3002\u5e94\u8be5\u5148\u8ba1\u7b97\u8d1f\u8f7d\u6700\u5927\u7ebf\u7535\u6d41\uff0c\u518d\u6839\u636e\u7535\u7ebf\uff08\u7f06\uff09\u5141\u8bb8\u5b89\u5168\u8f7d\u6d41\u91cf\u9009\u62e9\u5408\u9002\u7684\u7ebf\u5f84\u3002\u4e09\u76f8\u5e73\u8861\u8d1f\u8f7d\u529f\u7387\u7684\u8ba1\u7b97\u516c\u5f0f\u662f\uff1aP=1.732IUcos\u03c6\u3002\u7531\u4e09\u76f8\u5e73\u8861\u8d1f\u8f7d\u529f\u7387\u516c\u5f0f\u53ef\u63a8\u51fa\u7ebf\u7535\u6d41\u516c\u5f0f\uff1aI=P/1.732Ucos\u03c6 \u3002
\u5f0f\u4e2d\uff1a P\u4e3a\u8d1f\u8f7d\u529f\u7387 U\u4e3a\u7ebf\u7535\u538b \u4e09\u76f8\u662f380V cos\u03c6\u662f\u8d1f\u8f7d\u529f\u7387\u56e0\u6570\uff0c\u4e00\u822c\u7535\u52a8\u673a\u53d60.75 \uff0c\u65e5\u5149\u706f\u53d60.5\u4f60\u76845.5kw\u8d1f\u8f7d\u7684\u7ebf\u7535\u6d41\uff1a I=P/1.732Ucos\u03c6=24000/1.732*380*0.75=24000/493.62=49A \u56e0\u4e3a\u7535\u673a\u7684\u542f\u52a8\u7535\u6d41\u662f\u989d\u5b9a\u5de5\u4f5c\u7535\u6d41\u76844~7\u500d\uff0c\u867d\u7136\u542f\u52a8\u65f6\u95f4\u5f88\u77ed\uff0c\u4f46\u4e3a\u4e86\u7535\u8def\u7684\u5b89\u5168\u8fd0\u884c\uff0c\u8fd8\u662f\u8981\u8003\u8651\u53d61.5~3\u500d\u7684\u542f\u52a8\u7535\u6d41\u3002
380V\u7535\u8def\u4e2d1KW\u7ea62A\uff0c5.5KW\u5c3111A\u5de6\u53f3\u3002\u94dc\u82af\u7ebf\u6bcf\u5e73\u65b9\u6beb\u7c73\u80fd\u8d1f\u8f7d5\u81f38A\uff0c\u6240\u4ee5\u94dc\u7ebf\u75282.5\u5e73\u65b9\u8db3\u591f\u3002
185kw 三相电机 额定电流 380A
可以用 185平方铜线 (安全电流 406A)
可用70平方导线。
绛旓細185/鈭3/O路38/0路85鈮331A 椤150骞崇背閾滅嚎(333~370A)
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