消防软起动55kw要用多大电缆
55kw\u7535\u52a8\u673a\u9700\u8981\u914d\u591a\u5927\u7535\u7ebf\u5de5\u5730\u7535\u5de5\u7ed955kw\u7535\u673a\u914d25²\u7684\u7535\u7ebf\uff0c\u5dee\u70b9\u5c31\u70e7\u574f\uff0c\u6050\u6015\u662f\u65e0\u8bc1\u7535\u5de5\u5427
\u4e00\u3001\u7535\u673a\u5de5\u4f5c\u7535\u6d41\u7ea6\u4e3a110A\u5de6\u53f3\uff0c\u53ef\u4ee5\u9009\u62e935\u5e73\u65b9\u6beb\u7c73\u7684\u94dc\u7535\u7f06\u3002\u4e8c\u3001\u8ba1\u7b97\u8fc7\u7a0b\uff1a
1\u3001\u989d\u5b9a\u7535\u6d41\u8ba1\u7b97
I=P/1.732Ucos\u03a6=55/1.732/0.38/0.8=50/0.53=104.45A\u3002
2\u3001\u5982\u679c\u662f\u8fd1\u8ddd\u79bb\uff08\u51e0\u5341\u7c73\u4ee5\u5185\uff09\uff0c\u94dc\u7535\u7ebf25\u5e73\u65b9\u6beb\u7c73\uff0c\u94dd\u7535\u7ebf35\u5e73\u65b9\u6beb\u7c73\u3002
3\u3001\u5982\u679c\u662f\u8fdc\u8ddd\u79bb\uff08\u767e\u7c73\u4ee5\u4e0a\uff09\uff0c\u94dc\u7535\u7ebf50\u5e73\u65b9\u6beb\u7c73\uff0c\u94dd\u7535\u7ebf70\u5e73\u65b9\u6beb\u7c73\u3002
4\u3001\u5982\u679c\u662f\u4ecb\u4e8e\u8fdc\u8ddd\u79bb\u4e0e\u8fd1\u8ddd\u79bb\u95f4\uff0c\u94dc\u7535\u7ebf35\u5e73\u65b9\u6beb\u7c73\uff0c\u94dd\u7535\u7ebf50\u5e73\u65b9\u6beb\u7c73\u3002
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\u6269\u5c55\u8d44\u6599
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\u989d\u5b9a\u7535\u6d41\u4e00\u822c\u7531\u4e0b\u5f0f\u8ba1\u7b97\u5f97\u51fa\uff1a
\u989d\u5b9a\u7535\u6d41=\u989d\u5b9a\u529f\u7387/\u989d\u5b9a\u7535\u538b\uff08I=P/U\uff09
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P--\u7535\u52a8\u673a\u989d\u5b9a\u529f\u7387\uff1bU--\u7535\u52a8\u673a\u7ebf\u7535\u538b\uff1b\u03bc--\u7535\u52a8\u673a\u6ee1\u8f7d\u65f6\u6548\u7387\uff1bcos\u03c6---\u7535\u52a8\u673a\u6ee1\u8f7d\u65f6\u529f\u7387\u56e0\u6570\u3002
\u989d\u5b9a\u7535\u6d41\u9009\u62e9
(\u4e00)\u666e\u901a\u7535\u6297\u5668\u7684\u989d\u5b9a\u7535\u6d41\u9009\u62e9
(1)\u7535\u6297\u5668\u51e0\u4e4e\u6ca1\u6709\u8fc7\u8d1f\u8377\u80fd\u529b\uff0c\u6240\u4ee5\u4e3b\u53d8\u538b\u5668\u6216\u51fa\u7ebf\u56de\u8def\u7684\u7535\u6297\u5668\uff0c\u5e94\u6309\u56de\u8def\u6700\u5927\u5de5\u4f5c\u7535\u6d41\u9009\u62e9\uff0c\u800c\u4e0d\u80fd\u7528\u6b63\u5e38\u6301\u7eed\u5de5\u4f5c\u7535\u6d41\u9009\u62e9\u3002
(2)\u5bf9\u4e8e\u53d1\u7535\u5382\u6bcd\u7ebf\u5206\u6bb5\u56de\u8def\u7684\u7535\u6297\u5668\uff0c\u5e94\u6839\u636e\u6bcd\u7ebf\u4e0a\u4e8b\u6545\u5207\u65ad\u6700\u5927\u4e00\u53f0\u53d1\u7535\u673a\u65f6\uff0c\u53ef\u80fd\u901a\u8fc7\u7535\u6297\u6734\u7684\u7535\u6d41\u9009\u62e9\u3002\u4e00\u822c\u53d6\u8be5\u53f0\u53d1\u7535\u673a\u989d\u5b9a\u7535\u6d41\u768450%\uff5e80%\u3002
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(\u4e8c)\u5206\u88c2\u7535\u6297\u5668\u7684\u989d\u5b9a\u7535\u6d41\u9009\u62e9
(1)\u5f53\u7530\u4e8e\u53d1\u7535\u5382\u7684\u53d1\u7535\u673a\u6216\u4e3b\u53d8\u538b\u5668\u56de\u8def\u65f6\uff0c\u4e00\u822c\u6309\u53d1\u7535\u673a\u6216\u4e3b\u53d8\u538b\u5668\u989d\u5b9a\u7535\u6d41\u768470%\u9009\u62e9\u3002
(2)\u5f53\u7528\u4e8e\u53d8\u7535\u6240\u4e3b\u53d8\u538b\u5668\u56de\u8def\u65f6\uff0c\u5e94\u6309\u8d1f\u8377\u7535\u6d41\u5927\u7684\u4e00\u81c2\u4e2d\u901a\u8fc7\u7684\u6700\u5927\u8d1f\u8377\u7535\u6d41\u9009\u62e9\u3002\u5f53\u65e0\u8d1f\u8377\u8d44\u6599\u65f6\uff0c\u4e00\u822c\u6309\u4e3b\u53d8\u538b\u5668\u989d\u5b9a\u7535\u6d41\u768470%\u9009\u62e9\u3002
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\u201c\u4e8c\u70b9\u4e94\u4e0b\u4e58\u4ee5\u4e5d\uff0c\u5f80\u4e0a\u51cf\u4e00\u987a\u53f7\u8d70\u201d\u8bf4\u7684\u662f2.5mm\u2019\u53ca\u4ee5\u4e0b\u7684\u5404\u79cd\u622a\u9762\u94dd\u82af\u7edd\u7f18\u7ebf\uff0c\u5176\u8f7d\u6d41\u91cf\u7ea6\u4e3a\u622a\u9762\u6570\u76849\u500d\u3002\u59822.5mm\u2019\u5bfc\u7ebf\uff0c\u8f7d\u6d41\u91cf\u4e3a 2\uff0e5\u00d79=22.5(A)\u3002\u4ece4mm\u2019\u53ca\u4ee5\u4e0a\u5bfc\u7ebf\u7684\u8f7d\u6d41\u91cf\u548c\u622a\u9762\u6570\u7684\u500d\u6570\u5173\u7cfb\u662f\u987a\u7740\u7ebf\u53f7\u5f80\u4e0a\u6392\uff0c\u500d\u6570\u9010\u6b21\u51cfl\uff0c\u53734\u00d78\u30016\u00d77\u300110\u00d76\u300116\u00d75\u3001 25\u00d74\u3002
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\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-\u989d\u5b9a\u7535\u6d41
绛旓細55kw涓夌浉鐢垫満棰濆畾鐢垫祦宸笉澶110A锛岀敤杞惎鍔鐢垫祦涓鑸负2.5~4鍊嶏紝鎵浠350A搴旇鏄甯哥殑鐢垫祦鑼冨洿銆
绛旓細闅忎究甯︼紝鏈濂芥妸杞惎鍔鍣ㄧ殑鍚姩鏂瑰紡鏀规垚鐢垫祦鏂滃潯鍚姩锛岀劧鍚庢妸杞惎鍔ㄥ櫒閲岄潰鐨勭數鏈洪瀹氱數娴佽缃敼鎴愪綘鐨3涓狵W鐢垫満鐨勯瀹氱數娴侊紝鍐嶆妸杞捣閲岀殑淇濇姢鐢垫祦璁炬垚1锛1鎴1锛2鍊嶇數鏈洪瀹氱數娴佸氨琛屼簡锛屽彧鏄繍琛岀殑鏃跺欒蒋鍚姩鍣ㄤ笂鏄剧ず鐨勭數娴佽偗瀹氬拰瀹為檯鐢垫祦鏈夊樊寮傦紝鍥犱负浣犳病鏈夋牎鍑嗐
绛旓細55kw鐢垫満濡傛灉閲囩敤杞捣鍔锛岃緭鍑轰笉闇瑕佸姞鐢垫姉鍣
绛旓細1閫犱环鏈浣庣殑鏄槦涓夎闄嶅帇鍚姩 2鑷﹂檷鍘嬪惎鍔紝鍔犱竴涓嚜鑰﹀彉鍘嬪櫒 3杞惎鍔锛屽姞涓涓蒋鍚姩鍣
绛旓細涔熷垎鎯呭喌鍚э紝鐢垫満濡傛灉灏卞湪鍙樺帇鍣ㄩ檮杩100绫冲唴锛1锛岀洿鎺ュ惎鍔ㄨ400kVA浠ヤ笂鍙樺帇鍣ㄦ渶濂姐2锛屽鏋滈噰鍙栨槦涓夎鍚姩鏂瑰紡锛岃250kVA鐨勫彉鍘嬪櫒銆200kVA瑕侀潬寰堣繎锛30绫-50绫冲唴鍙樺帇鍣ㄧ煭鏃惰繃杞1.6鍊嶅彲浠ュ惎鍔紝涓嶅缓璁3锛岀敤濡傛灉鏄杞惎鍔锛屽彉棰戯紝杩2涓澶栧鍔犵殑璁惧璐归兘鍙互涔板皢杩1鍙扮數鏈轰簡銆
绛旓細瀹屽叏鍙互锛屽湪瀹為檯宸ヤ綔涓杞惎鍔鐨勯瀹氬姛鐜囧線寰閫夋嫨姣旇鎺у埗鐢靛姩鏈哄姛鐜囧ぇ涓涓姛鐜囩瓑绾х殑銆傝繖涓椂鍊欙紝淇敼鏌愪簺鍙傛暟椤规槸蹇呴』鐨勶紝鏍规嵁鐢垫満鐨勫疄闄呰繍琛屽伐鍐佃缃浉搴旂殑鍙傛暟锛岄渶瑕佹敞鎰忕殑鏄紝鐢靛姩鏈虹殑淇濇姢鍙傛暟椤瑰繀椤绘寜55KW鐨勮缃
绛旓細1閫犱环鏈浣庣殑鏄槦涓夎闄嶅帇鍚姩 2鑷﹂檷鍘嬪惎鍔紝鍔犱竴涓嚜鑰﹀彉鍘嬪櫒 3杞惎鍔锛屽姞涓涓蒋鍚姩鍣
绛旓細杩欎釜瑕佺湅杞惎鍔鍣ㄧ殑鍘傚銆備竴鑸儏鍐典笅锛岃緭鍏ョ鏄摐鎺掞紝杈撳嚭绔槸鎺ョ嚎鏌便
绛旓細閲囩敤杞惎鍔鏃朵粎渚涙娑堥槻娉电殑鏌存补鍙戠數鏈哄彲閫180KW锛屾槦涓夎鍚姩鏃跺彲閫250KW銆
绛旓細鐢垫満鍚姩鐢垫祦鐬棿鏄甯歌繍琛岀數娴佺殑5-7鍊嶏紝璐ㄩ噺宸殑鐢垫満鍙兘浼氳揪鍒10鍊嶃傚疄闄呰繍琛岀數娴佹湁鍙兘浣庝簬鏍囨敞鐨勮繍琛岀數娴併傞偅鏄灛闂寸數娴佸苟涓嶆槸杩愯鐢垫祦銆
