额定55千瓦的电机得用多大的电缆？ 55千瓦的电机得用多大的电缆？
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1\u3001\u6309\u4e00\u4e2a\u5343\u74e6\u4e24\u4e2a\u7535\u6d41\u4f30\u7b9755kw\u7535\u673a\u989d\u5b9a\u7535\u6d41\u7ea6\u4e3a110A\uff1b
2\u3001\u7535\u7f06\u7684\u89c4\u683c\u7b49\u7ea7\u4e3a1\u30011.5\u30012.5\u30014\u30016\u300110\u300116\u300125\u300135\u300150\u300170\u300195\u2026\u2026\u6309\u7535\u7f06\u8f7d\u6d41\u91cf\u4f30\u7b97\u53e3\u8bc0\u201c\u4e8c\u70b9\u4e94\u4e0b\u4e58\u4ee5\u4e5d\uff0c\u5f80\u4e0a\u51cf\u4e00\u987a\u53f7\u8d70\u3002\u4e09\u5341\u4e94\u4e58\u4e09\u70b9\u4e94\uff0c\u53cc\u53cc\u6210\u7ec4\u51cf\u70b9\u4e94\u3002\u201d\u53ef\u7b97\u51fa25mm²\u7684\u7535\u7f06\u5176\u5b89\u5168\u7535\u6d41\u7ea6\u4e3a25\u00d74=100A\uff0c35mm²\u7684\u7535\u7f06\u5176\u5b89\u5168\u7535\u6d41\u7ea6\u4e3a35\u00d73.5=122.5A\uff1b
3\u3001\u6839\u636e\u53e3\u8bc0\u540e\u534a\u90e8\u201c\u6761\u4ef6\u6709\u53d8\u52a0\u6298\u7b97\uff0c\u9ad8\u6e29\u4e5d\u6298\u94dc\u5347\u7ea7\u3002\u7a7f\u7ba1\u6839\u6570\u4e8c\u4e09\u56db\uff0c\u516b\u4e03\u516d\u6298\u6ee1\u8f7d\u6d41\u3002\u201d\u5982\u679c\u4f7f\u7528\u94dc\u7535\u7f06\uff0c\u521925mm²\u5c31\u53ef\u4ee5\u4e86\u3002
4\u3001\u7efc\u4e0a\u6240\u8ff0\uff0c55kw\u7535\u673a\u53ef\u4ee5\u4f7f\u752835mm²\u7684\u94dd\u7535\u7f06\uff0c\u6216\u800525mm²\u7684\u94dc\u7535\u7f06\uff0c\u5982\u679c\u7535\u7f06\u7a7f\u5728\u7ba1\u9053\u4e2d\uff0c\u4e3a\u589e\u52a0\u5b89\u5168\u7cfb\u6570\uff0c\u5efa\u8bae\u4f7f\u752850mm²\u7684\u94dd\u7535\u7f06\uff0c\u621635mm²\u7684\u94dc\u7535\u7f06\u3002
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55KW\u7535\u6d41\u53d6110A\uff0c\u7535\u7f06\u9009\u75283*35\u7535\u7f06\u3002
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55KW电流取110A，电缆选用3*35电缆
在380V情况下，55KW额定电流约为110A，那么电缆使用35平方铜线。
55kw约110电流，长时间工作较远（50m内）线槽内最好用到50平方的线，临时短暂启动，10m内25平方的勉强可以用
绛旓細棰濆畾鍔熺巼55kw锛姝ｅ父鐢ㄧ數閮戒細灏忎簬55kw锛屼富瑕佺湅璐熻浇锛屾牴鎹礋杞藉ぇ灏忓叾杈撳嚭鍔熺巼涔熶笉鍚岋紝鍙互鐢ㄥ崱琛ㄦ祴閲忕嚎璺數娴侊紝鏍规嵁鍏紡P=UI璁＄畻鐢垫満瀹為檯杈撳嚭鍔熺巼銆
绛旓細涓嶄竴鏍枫傛牴鎹煡璇㈢浉鍏宠祫鏂欐樉绀猴紝55鍗冪摝鍜90鍗冪摝鐢垫祦涓鏍风敤鐢甸噺涓嶄竴鏍峰ぇ锛55kw鐢垫満锛屽嵆鐢垫満鐨勯瀹氬姛鐜囨槸55鍗冪摝锛宸ヤ綔1灏忔椂鑰楃數55鍗冪摝鏃=55搴︾數锛55鍗冪摝鐢垫満棰濆畾鐢垫祦鏄110A锛55鍗冪摝鐨勭數鏈洪瀹氱數娴佷篃灏辨槸宸ヤ綔鐢垫祦銆
绛旓細1搴=1鍗冪摝鏃=1鍗冪摝脳1灏忔椂=1000鐡γ1灏忔椂涔熷氨鏄1000鐡︼紙W锛夌殑鐢ㄧ數鍣ㄧ敤涓涓皬鏃剁殑鐢ㄧ數閲忓氨鏄竴搴︾數銆傚鏋滄槸55鍗冪摝锛坘W锛夌殑鐢ㄧ數鍣ㄧ敤涓涓皬鏃跺氨鏄細55鍗冪摝脳1灏忔椂=55鍗冪摝鏃=55搴︾數銆備絾鏄墠鎻愭槸杩欎釜55kW鐨勭數鏈鏄湪婊¤浇鐨勬儏鍐典笅杩愯鐨勶紝濡傛灉涓嶆槸婊¤浇鐨勮瘽锛屽缓璁洿鎺ヨ涓姛鐜囪〃锛岀洿鎺ヨ鏁板氨鍙互浜嗐...
绛旓細(鍔熺巼鍥犳暟COS蠁涓鑸负0.7锝0.85涔嬮棿锛屽彇骞冲潎鍊0.78璁＄畻)55kw鐢垫満骞冲潎浼扮畻姣忓皬鏃鐢ㄧ數閲忓ぇ绾﹀湪44搴﹀乏鍙冲疄闄呯敤鐢甸噺搴旇浠ョ數搴﹁〃璁￠噺涓哄噯
绛旓細鐞嗚涓婄殑鑰楃數=55鍗冪摝/鐢垫満鏁堢巼锛堥摥鐗屼笂宸叉爣娉級锛屽亣璁剧數鏈烘晥鐜囦负0.8锛岄偅涔堢悊璁轰笂鐨勮楃數=55鍗冪摝/0.8=68.75鍗冪摝锛屼篃灏辨槸鐢垫満姣1灏忔椂鑰楃數68.75搴︾數銆傝繖閲屼箣鎵浠ヨ鏄悊璁轰笂鐨勮楃數锛屾槸鍥犱负鐢垫満鍦ㄥ伐浣滄椂锛屽苟涓嶆槸鎭板ソ宸ヤ綔鍦棰濆畾鍔熺巼涓嬶紝鏈夋椂澶т竴浜涖佹湁鏃跺皬涓浜涢兘鏄甯哥殑銆
绛旓細55KW棰濆畾鐢垫祦涓110A 甯﹁礋杞藉惎鍔ㄧ數娴佷负棰濆畾鐢垫祦鐨6~7鍊嶏紝绾700A锛屽嵆鍫佃浆鍔熺巼绾︿负棰濆畾鍔熺巼鐨6~7鍊嶏紝绾︿负380kW,鍚姩鏃堕棿绾30绉,鑰楃數閲忎负380*30/3600=3搴︾數 澶鐢垫満璐熻浇鍚姩浼氱粰鐢电綉甯︽潵寰堝ぇ鐨勫啿鍑伙紝鎵浠ヤ竴鑸噰鐢ㄦ槦涓夎鍚姩锛岄檷浣庡惎鍔ㄧ數娴 濡傛灉绌鸿浇鍚姩鐨勮瘽锛岃楃數閲忚浣庯紝绾﹀湪1搴﹀乏鍙 ...
绛旓細55搴︾數銆傜數涓搴︽槸鍗冪摝灏忔椂锛55鍗冪摝浣跨敤1灏忔椂灏辨槸55搴︾數銆備絾鏄墠鎻愭槸杩欎釜55鍗冪摝鐨勭數鏈鏄湪婊¤浇鐨勬儏鍐典笅杩愯鐨勶紝濡傛灉涓嶆槸婊¤浇鐨勮瘽锛55鍗冪摝椹揪姣忓皬鏃鐢ㄧ數閲忔牴鎹疄闄呰屽畾銆
绛旓細55KW鐨勭數鏈姝ｅ父宸ヤ綔鐢垫祦涓55000梅380梅1.732梅0.8=104.5A锛104.5脳1.2=125A锛涘洜姝わ紝搴旇鐢ㄦ爣绉150A銆佹暣瀹氱數娴佷负105~125A鐨勭┖寮銆 鏁村畾鐢垫祦105~125A鏄寚绌哄紑鐨勯暱寤舵椂鐢垫祦锛岀灛鍔ㄧ數娴佷竴鑸槸鏁村畾鐢垫祦鐨4~5鍊嶏紝鍥犳绌哄紑鑳藉韬茶繃鐢靛姩鏈虹殑璧峰姩鐢垫祦鑰屼笉鍔ㄤ綔婊淬
绛旓細55kw鐨勭數鍔ㄦ満涓鑸敤380V鐨勪笁鐩镐緵鐢点棰濆畾鐢垫祦I=P/1.732Ucos桅=55/1.732/0.38/0.8=50/0.53=1044A銆傚鏋滄槸100m宸﹀彸鐨勭數缂嗕粙浜庤繙璺濈涓庤繎璺濈闂达紝閾滅數绾夸笉鑳藉皬浜35骞虫柟姣背锛岄摑鐢电嚎涓嶈兘灏忎簬50骞虫柟姣背銆傝冭檻鍒55Kw鐨勭數鍔ㄦ満鍚姩浼氭湁鐭椂澶х數娴侊紝寤鸿浣跨敤50骞虫柟姣背閾滅嚎3+1鐢电紗銆
绛旓細55鍗冪摝鐢垫満鏄寚棰濆畾鍔熺巼涓55鍗冪摝鐨勭數鏈銆傜數鏈烘槸涓绉嶅皢鐢佃兘杞寲涓烘満姊拌兘鐨勮澶囷紝骞挎硾搴旂敤浜庡伐涓氥佷氦閫氥佸缓绛戙佽兘婧愮瓑棰嗗煙銆55鍗冪摝鐢垫満閫氬父鐢ㄤ簬澶у瀷鏈烘璁惧銆佸彂鐢垫満缁勩侀鍔涘彂鐢垫満绛夐珮鍔熺巼搴旂敤鍦哄悎銆傜數鏈虹殑鍔熺巼瓒婂ぇ锛屽叾杈撳嚭鐨勬満姊板姛鐜囦篃灏辫秺澶с傚湪浣跨敤55鍗冪摝鐢垫満鏃讹紝闇瑕佹牴鎹叿浣撶殑搴旂敤鍦哄悎鍜岃礋杞芥ц川锛岄夋嫨...
