45kw的三相异步电动机用多大的铝芯电缆能过电缆 45KW的电机应该用多大的电缆？
95KW\u4e09\u76f8\u5f02\u6b65\u7535\u52a8\u673a\u9700\u8981\u591a\u5927\u94dd\u82af\u7535\u7f06\uff1f95KW\u4e09\u76f8\u5f02\u6b65\u7535\u52a8\u673a\u53ef\u7528\u4e0d\u5c0f\u4e8e95\u5e73\u65b9\u94dd\u82af\u7535\u7f06\u3002
\u4e00\u822c\u8fd9\u4e48\u5927\u7684\u7535\u673a\u90fd\u662f\u7528\u5230\u4e09\u76f8380V\u4f9b\u7535\uff0c\u7535\u6d41\u8fd1\u4e24\u500d\u7684\u529f\u7387\u5373\u4e3a90\u5b89\u57f9\u5de6\u53f3\uff0c\u7535\u7f06\u7ebf\u8981\u7528\u5230\u81f3\u5c1125\u5e73\u65b9\u94dc\u7ebf\uff0c\u5982\u679c\u94dd\u7ebf\u7684\u8bdd\u8981\u52a0\u500d\u653e\u523055\u5e73\u65b9\u3002
25\u5e73\u65b9\u6beb\u7c73\u94dc\u7535\u6e90\u7ebf\u7684\u5b89\u5168\u8f7d\u6d41\u91cf\u4e3a120A\u300225\u5e73\u65b9\u94dc\u7ebf\u53ef\u8d1f\u8377\u529f\u7387\uff1a
\u5355\u76f8\u7535\uff1aP=U*I=220*120=26400W=26.4KW
\u4e09\u76f8\u7535\uff1aP=1.732*380*120*0.8=63KW\uff1e45kw
\u529f\u7387\u8ba1\u7b97\u516c\u5f0f\uff1a
\u4e09\u76f8\u7535\u65f6\uff0c\u6839\u636e\u529f\u7387\u516c\u5f0fP=1.732UIcos\u03c6
\u5355\u76f8\u7535\u65f6\uff0c\u6839\u636e\u529f\u7387\u516c\u5f0fP=UI
\u6269\u5c55\u8d44\u6599
\u7535\u529f\u7387\uff1a\u7269\u7406\u5b66\u540d\u8bcd\uff0c\u7535\u6d41\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u505a\u7684\u529f\u53eb\u505a\u7535\u529f\u7387\u3002\u662f\u7528\u6765\u8868\u793a\u6d88\u8017\u7535\u80fd\u7684\u5feb\u6162\u7684\u7269\u7406\u91cf\uff0c\u7528P\u8868\u793a\uff0c\u5b83\u7684\u5355\u4f4d\u662f\u74e6\u7279\uff08Watt\uff09\uff0c\u7b80\u79f0"\u74e6"\uff0c\u7b26\u53f7\u662fW\u3002
\u4f5c\u4e3a\u8868\u793a\u7535\u6d41\u505a\u529f\u5feb\u6162\u7684\u7269\u7406\u91cf\uff0c\u4e00\u4e2a\u7528\u7535\u5668\u529f\u7387\u7684\u5927\u5c0f\u6570\u503c\u4e0a\u7b49\u4e8e\u5b83\u57281\u79d2\u5185\u6240\u6d88\u8017\u7684\u7535\u80fd\u3002\u5982\u679c\u5728"t"\uff08SI\u5355\u4f4d\u4e3as\uff09\u8fd9\u4e48\u957f\u7684\u65f6\u95f4\u5185\u6d88\u8017\u7684\u7535\u80fd\u201cW\u201d\uff08SI\u5355\u4f4d\u4e3aJ\uff09\uff0c\u90a3\u4e48\u8fd9\u4e2a\u7528\u7535\u5668\u7684\u7535\u529f\u7387\u5c31\u662fP=W/t\uff08\u5b9a\u4e49\u5f0f\uff09\u7535\u529f\u7387\u7b49\u4e8e\u5bfc\u4f53\u4e24\u7aef\u7535\u538b\u4e0e\u901a\u8fc7\u5bfc\u4f53\u7535\u6d41\u7684\u4e58\u79ef\u3002
\uff08P=U\u00b7I\uff09\u3002\u5bf9\u4e8e\u7eaf\u7535\u963b\u7535\u8def\uff0c\u8ba1\u7b97\u7535\u529f\u7387\u8fd8\u53ef\u4ee5\u7528\u516c\u5f0fP=I^2*R\u548cP=U^2 /R\u3002
\u6bcf\u4e2a\u7528\u7535\u5668\u90fd\u6709\u4e00\u4e2a\u6b63\u5e38\u5de5\u4f5c\u7684\u7535\u538b\u503c\u53eb\u989d\u5b9a\u7535\u538b\uff0c\u7528\u7535\u5668\u5728\u989d\u5b9a\u7535\u538b\u4e0b\u6b63\u5e38\u5de5\u4f5c\u7684\u529f\u7387\u53eb\u505a\u989d\u5b9a\u529f\u7387\uff0c\u7528\u7535\u5668\u5728\u5b9e\u9645\u7535\u538b\u4e0b\u5de5\u4f5c\u7684\u529f\u7387\u53eb\u505a\u5b9e\u9645\u529f\u7387\u3002
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1\u7535\u529f\u7387
这Y起动D运行的接法，D接法额定78A，Y接法约45A，采用10平方毫米的铜线！
绛旓細涓鑸15KW浠ヤ笂鐨鐢垫満鐢鏄/涓夎杞崲鍚姩銆45KW鐨鐢垫満鐢垫祦绾83A锛屾槦/涓夎鍚姩鐢ㄤ袱涓タ闂ㄥ瓙鐨3TF46銆佷竴涓3TF44鍔犱竴涓40-57A鐨勭儹缁э紙濡3UA5840-2T锛夈傝冭檻鐨勫弬鏁版湁锛1銆佷綘鐢垫満鐨勫姛鐜囧強鎺ヨЕ鍣ㄥ彲鍚姩鐨勫姛鐜囷紝鏍规嵁浣犵殑鐢垫満鏉ョ湅锛岀洿鎺ュ惎鍔紙鍙竴涓帴瑙﹀櫒锛夌殑璇濊鐢3TF523鍜孯B1253锛屾垨鏂借愬痉鐨凩C1-F150鍜孡R...
绛旓細杩欐槸姝ｅ父鐨,鐢垫満鍦ㄥ伐浣,涓嶈兘琛ㄦ槑涓瀹氭槸棰濆畾璐熻浇,涓鑸寜鐓у骞寸數宸ョ粡楠,涓夌浉鐢垫満姝ｅ父宸ヤ綔鎯呭喌涓1A/KW,鏈澶х數娴佷笉瓒呰繃2A/KW浣犳祴鐨勬槸鍗曠浉鐢垫祦鐨勮瘽,杩樻湁鐩镐綅瑙掔殑鍏崇郴,35A灞炴甯哥幇璞!
绛旓細鍝佺墝鍨嬪彿锛氫笂娴蜂汉姘戠浉寮傛鐢靛姩鏈 绯荤粺锛歒E2 45鍗冪摝鐢垫満鐢垫祦鏈澶ф槸200A宸﹀彸銆備竴鑸潵璇达紝45鍗冪摝鐢垫満姝ｅ父宸ヤ綔鐢垫祦涓90A宸﹀彸锛屽惎鍔ㄧ數娴佽200A宸﹀彸銆傞瀹氱數娴佹槸鎸囩敤鐢佃澶囧湪棰濆畾鐢靛帇涓嬶紝鎸夌収棰濆畾鍔熺巼杩愯鏃剁殑鐢垫祦銆備篃鍙畾涔変负鐢垫皵璁惧鍦ㄩ瀹氱幆澧冩潯浠讹紙鐜娓╁害銆佹棩鐓с佹捣鎷斻佸畨瑁呮潯浠剁瓑锛変笅鍙互闀挎湡杩炵画宸ヤ綔鐨...
绛旓細鍔熺巼鍥犳暟涓鑸湪0銆85澶氫簺锛岀數娴佷竴鑸负鍔熺巼鏁板瓧鐨勪簩鍊嶏紝45KW鐨涔熷氨鏄90瀹夊乏鍙筹紝璁＄畻涓涓嬩篃绂昏繖涓暟涓嶈繙銆
绛旓細30KW涓夐」鐢垫満鍙互閫夌敤16骞虫柟鐨勯摑绾匡紝鎴栬10骞虫柟鐨勯摐绾匡紱45KW涓夐」鐢垫満鍙互閫夌敤16骞虫柟鐨勯摑绾匡紝鎴栬16骞虫柟鐨勯摐绾裤傜敱浜庢槸涓夌浉鐢垫満锛屾祴绠楀姛鐜囧叕寮忎负P=1.732UIcos蠁锛屾帹瀵煎嚭I=P/(1.732Ucos蠁)銆備竴銆30KW鐢垫満 I=P/(1.732Ucos蠁)=30/(1.732x0.38x0.85)=53.6A 鏍规嵁鍙ｈ瘈鍗佷笅浜,鐧句笂浜,浜屼簲涓変簲鍥...
绛旓細鐢甸樆鏄0.00617娆у銆傛牴鎹笁鐩稿紓姝ョ數鏈哄畼缃戞樉绀猴紝45kw涓夌浉寮傛鐢垫満鐩搁棿鐢甸樆鏄0.00617娆у銆45kw涓夌浉寮傛鐢垫満鏄劅搴鐢靛姩鏈鐨勪竴绉嶏紝鏄潬鍚屾椂鎺ュ叆380V涓夌浉浜ゆ祦鐢垫祦锛堢浉浣嶅樊120搴︼級渚涚數鐨勪竴绫荤數鍔ㄦ満銆
绛旓細棣栧厛閫夊瀷涓婏紝45KW鐨鐢垫満锛岀湅浣犳槸鐢ㄥ湪浠涔堣礋杞戒笂锛屽鏋滄槸杞昏浇鐨勮瘽锛岄厤鍙橀鍣45KW鐨勫氨鍙互浜嗭紝濡傛灉鏄噸杞界殑璇濓紝姣斿璧烽噸琛屼笟锛屽緱閰55KW鐨勫彉棰戝櫒锛涜嚦浜庢帴绾跨殑璇濓紝鐢垫満鐨绾挎帴鍦ㄥ彉棰戝櫒鐨勮緭鍑虹浣嶇疆锛堜竴鑸爣璁颁负U/V/W锛
绛旓細涓夌浉寮傛鐢靛姩鏈棰濆畾鍔熺巼鏄45kw鐨璇濓紝婊¤浇杩愯鐢垫祦搴旇鏄湪86 A宸﹀彸鍚с傜數婧愮嚎璺濈150绫宠鐢ㄤ笉灏忎簬25骞虫柟鐨勯摐鑺數缂嗙嚎浜嗐
绛旓細绌哄紑鍦ㄧ悊璁轰笂閫夋嫨搴1.5鍊-2.1鍊嶉瀹氱數娴併傛牴鎹幇鍦虹殑浣跨敤鐘跺喌閫夋嫨绌哄紑澶у皬 濡傛灉涓嶇粡甯稿紑鍚堢殑璇濓紝閫夋嫨100A鐨勫氨鍙互浜嗭紝濡傛灉缁忓父寮鍚堢殑璇濓紝瑕150A鐨勩
绛旓細45KW鐨勭數鍔ㄦ満锛岄瀹氱數娴佸ぇ绾﹀湪85A宸﹀彸锛岄氬父鎯呭喌涓嬩細鏄槦涓夎杞崲鍚姩锛屾墍浠ュ惎鍔ㄧ數娴佷笉浼氬お澶э紝绾︿负棰濆畾鐢垫祦鐨1.5-2鍊嶅乏鍙筹紝浣犲彲浠ユ牴鎹幇鍦虹殑浣跨敤鎯呭喌閫夋嫨鍚堥傜殑鐢电數姘斿厓浠讹紝150/5鐨勫氨鍙互锛屽鏋滅粡甯稿紑鍚堢殑璇濆氨鐢ㄧ◢澶т竴鐐圭殑锛200/5鐢垫祦琛紝200/5鐨勪簰鎰熷櫒锛200A浜ゆ祦鎺ヨЕ鍣ㄥ嵆鍙傚綋鐒讹紝涓洪槻姝㈣繃杞界儳鎺...
