三相电压380伏，电机功率是200千瓦，选用多少平方的铜电线，和多大的空气开关 380伏200千瓦需配多大电线
380v200kw\u7535\u6d41\u662f\u591a\u5c11,\u8981\u7528\u591a\u5927\u7684\u7535\u7ebf\u4e00\u822c\u7b97\u529f\u7387\u90fd\u662f1\u5e73\u65b9\u7684\u7535\u7ebf\u5e262\u5343\u74e6\u7684\u7528\u7535\u8bbe\u5907\uff0c200\u5343\u74e6\uff0c\u9700\u8981100\u5e73\u65b9\uff0c\u4f46\u662f\u56fd\u5bb6\u6807\u51c6\u89c4\u683c\u91cc\u9762\u53ea\u670995\u548c120\u5e73\u65b9\u6700\u63a5\u8fd1100\u5e73\u65b9\uff0c\u5efa\u8bae\u9009\u62e9120\u5e73\u65b9\u7684\u7535\u7ebf\u7535\u7f06\uff0c\u5b89\u5168\u53ef\u9760\u3002
200\u00d71000/1.735/380\uff1d303\uff08\u5b89\u57f9\uff09
150\u5e73\u65b9\u94dd\u82af\u7ebf
120\u5e73\u65b9\u94dc\u7ebf
\u8fd9\u662f\u662f\u6781\u9650\u622a\u6d41\u91cf\uff0c\u5b9e\u9645\u4e0a\u53ef\u4ee5\u6709\u5927\u4e00\u4e9b\u7684\u7535\u7ebf\u3002
\u82e5\u662f\u7535\u611f\u8d1f\u8377(\u5982\u7535\u673a)\u5927\u7ea6400A\uff0c\u82e5\u662f\u7eaf\u7535\u963b\u5927\u7ea6300A.\u7528185\u5e73\u65b9\u7535\u7f06\u3002
I=200/1.732/0.38/0.8=380A\uff0c\u53ef\u4ee5\u9009\u7528YJV-3*240+1*120\u7684\u7535\u7f06\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u89c4\u683c\u8868\u793a\u6cd5\u7684\u542b\u4e49
\u89c4\u683c\u91c7\u7528\u82af\u6570\u3001\u6807\u79f0\u622a\u9762\u548c\u7535\u538b\u7b49\u7ea7\u8868\u793a
\u2460\u5355\u82af\u5206\u652f\u7535\u7f06\u89c4\u683c\u8868\u793a\u6cd5\uff1a\u540c\u4e00\u56de\u8def\u7535\u7f06\u6839\u6570*\uff081*\u6807\u79f0\u622a\u9762\uff09\uff0c 0.6/1KV\uff0c
\u5982\uff1a4*(1*185)+1*95 0.6/1KV
\u2461\u591a\u82af\u7ede\u5408\u578b\u5206\u652f\u7535\u7f06\u89c4\u683c\u8868\u793a\u6cd5\uff1a\u540c\u4e00\u56de\u8def\u7535\u7f06\u6839\u6570*\u6807\u79f0\u622a\u9762\uff0c 0.6/1KV\uff0c
\u5982\uff1a4**185+1*95 0.6/1KV
\u53c2\u8003\u8d44\u6599\u6765\u6e90:\u767e\u5ea6\u767e\u79d1-\u7535\u7f06\u89c4\u683c
220\u5343\u74e6\u8981\u7528230mm²\u7684\u94dd\u7535\u7f06\uff0c180mm²\u7684\u94dc\u7535\u7f06\u3002
\u7531\u4e09\u76f8\u7535\u673a\u516c\u5f0f\u5f97\uff1aP\uff1d1.732UIcos\u03a6
\u6240\u4ee5\u529f\u7387220kw\u7684\u989d\u5b9a\u7535\u6d41I\uff1dP\uff0f1.732Ucos\u03a6\uff1d220\uff0f1.732\uff0f0.38\uff0f0.8\uff1d220\uff0f0.53\uff1d415A\uff0ccos\u03a6\u4e3a0.8\uff0c\u7535\u538b\u4e3a380V\u3002
\u6839\u636e\u7535\u6d41415A\u548c\u7535\u7f06\u624b\u518cYJV\uff0c\u9700\u8981230mm\u94dd\u7535\u7f06\u548c180mm\u94dc\u7535\u7f06\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u5f71\u54cd\u7535\u7f06\u627f\u8f7d\u80fd\u529b\u7684\u5916\u90e8\u56e0\u7d20\uff1a
1\uff0e\u5408\u7406\u5e03\u7f6e\uff0c\u52a0\u5927\u7535\u7f06\u95f4\u8ddd\u3002
\u5f53\u591a\u6839\u5bfc\u7ebf\u540c\u65f6\u65bd\u52a0\u65f6\uff0c\u4f1a\u5f62\u6210\u8fd1\u63a5\u6548\u5e94\u548c\u96c6\u80a4\u6548\u5e94\uff0c\u4f7f\u7535\u8377\u96c6\u4e2d\u5728\u5bfc\u7ebf\u7684\u5c40\u90e8\u533a\u6bb5\uff0c\u964d\u4f4e\u5bfc\u7ebf\u7684\u5141\u8bb8\u643a\u8f7d\u7387\u3002\u591a\u79cd\u5e94\u7528\u5bfc\u81f4\u70ed\u91cf\u79ef\u7d2f\uff0c\u4e5f\u964d\u4f4e\u4e86\u627f\u8f7d\u80fd\u529b\u3002
2\uff0e\u6577\u8bbe\u5728\u826f\u597d\u7684\u6563\u70ed\u533a\u57df\uff0c\u5e76\u586b\u5145\u5bfc\u70ed\u4ecb\u8d28\u3002
\u5728\u8ba1\u7b97\u7535\u7ebf\u7684\u627f\u8f7d\u80fd\u529b\u65f6\uff0c\u7535\u7f06\u7684\u73af\u5883\u6e29\u5ea6\u5b9c\u4e3a\uff1a\u7a7a\u4e2d\u6577\u8bbe\u4e3a30\u2103\uff0c\u5730\u9762\u6577\u8bbe\u4e3a25\u2103\uff0c\u6216\u6839\u636e\u5f53\u5730\u6e29\u5ea6\u6570\u636e\u8bbe\u7f6e\u3002
\u7535\u7f06\u8001\u5316\u7684\u539f\u56e0
1\uff0e\u5916\u90e8\u635f\u4f24\u3002\u6839\u636e\u8fd1\u5e74\u6765\u7684\u8fd0\u884c\u5206\u6790\uff0c\u7279\u522b\u662f\u5728\u9ad8\u901f\u53d1\u5c55\u7684\u4e0a\u6d77\u6d66\u4e1c\u5730\u533a\uff0c\u76f8\u5f53\u591a\u7684\u7535\u7f06\u6545\u969c\u662f\u7531\u673a\u68b0\u635f\u574f\u5f15\u8d77\u7684\u3002
2\uff0e\u6f6e\u6e7f\u7684\u7edd\u7f18\u3002\u8fd9\u4e5f\u5f88\u5e38\u89c1\uff0c\u901a\u5e38\u5728\u7535\u7f06\u7684\u672b\u7aef\u57cb\u5728\u5730\u4e0b\u6216\u6392\u6c34\u7ba1\u4e2d\u3002\u4f8b\u5982\uff1a\u7535\u7f06\u63a5\u5934\u5236\u4f5c\u4e0d\u5408\u683c\u548c\u5728\u6f6e\u6e7f\u6c14\u5019\u6761\u4ef6\u4e0b\u505a\u63a5\u5934\u65f6\uff0c\u4f1a\u4f7f\u63a5\u5934\u4e2d\u6df7\u5165\u6c34\u5206\u6216\u6c34\u6c7d\uff0c\u957f\u65f6\u95f4R\u5728\u7535\u573a\u4f5c\u7528\u4e0b\u5f62\u6210\u6c34\u5206\u652f\uff0c\u9010\u6e10\u635f\u574f\u7535\u7f06\u7684\u7edd\u7f18\u5f3a\u5ea6\u800c\u9020\u6210\u5931\u6548\u3002
3\uff0e\u5316\u5b66\u8150\u8680\u3002\u7535\u7f06\u76f4\u63a5\u57cb\u5728\u6709\u9178\u78b1\u4f5c\u7528\u7684\u533a\u57df\uff0c\u5f80\u5f80\u4f1a\u5f15\u8d77\u7535\u7f06\u94e0\u88c5\u3001\u5bfc\u7ebf\u6216\u5916\u62a4\u5957\u7684\u8150\u8680\u3002\u957f\u671f\u5316\u5b66\u6216\u7535\u89e3\u8150\u8680\u4fdd\u62a4\u5c42\uff0c\u4f1a\u5bfc\u81f4\u4fdd\u62a4\u5c42\u5931\u6548\uff0c\u7edd\u7f18\u964d\u4f4e\uff0c\u4e5f\u4f1a\u5bfc\u81f4\u7535\u7f06\u6545\u969c\u3002\u53d8\u66f4\uff1a\u673a\u7ec4\u7535\u7f06\u8150\u8680\u60c5\u51b5\u6bd4\u8f83\u4e25\u91cd
4\uff0e\u957f\u671f\u8fc7\u8f7d\u64cd\u4f5c\u3002\u5728\u8fc7\u8f7d\u8fd0\u884c\u65f6\uff0c\u7531\u4e8e\u7535\u6d41\u7684\u70ed\u6548\u5e94\uff0c\u5f53\u8d1f\u8f7d\u7535\u6d41\u901a\u8fc7\u7535\u7f06\u65f6\uff0c\u5bfc\u4f53\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u53d1\u70ed\u3002\u540c\u65f6\u7535\u8377\u7684\u96c6\u80a4\u6548\u5e94\u3001\u94a2\u94e0\u88c5\u7684\u6da1\u6d41\u635f\u8017\u548c\u7edd\u7f18\u4ecb\u8d28\u7684\u635f\u8017\u4e5f\u4f1a\u4ea7\u751f\u989d\u5916\u7684\u70ed\u91cf\uff0c\u4ece\u800c\u4f7f\u7535\u7f06\u7684\u6e29\u5ea6\u5347\u9ad8\u3002
5\uff0e\u7535\u7f06\u63a5\u5934\u6545\u969c\u3002\u7535\u7f06\u63a5\u5934\u662f\u7535\u7f06\u7ebf\u8def\u4e2d\u6700\u8584\u5f31\u7684\u73af\u8282\u3002\u7531\u4eba\u5458\u76f4\u63a5\u6545\u969c\uff08\u65bd\u5de5\u4e0d\u826f\uff09\u5f15\u8d77\u7684\u7535\u7f06\u63a5\u5934\u6545\u969c\u7ecf\u5e38\u53d1\u751f\u3002\u5728\u5236\u4f5c\u7535\u7f06\u63a5\u5934\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u8fde\u63a5\u5668\u538b\u4e0d\u7d27\uff0c\u52a0\u70ed\u4e0d\u5145\u5206\u7b49\uff0c\u4f1a\u964d\u4f4e\u7535\u7f06\u5934\u7684\u7edd\u7f18\uff0c\u4ece\u800c\u9020\u6210\u4e8b\u6545\u3002
6\uff0e\u73af\u5883\u548c\u6e29\u5ea6\u3002\u7535\u7f06\u6240\u5904\u7684\u5916\u90e8\u73af\u5883\u548c\u70ed\u6e90\u4e5f\u4f1a\u9020\u6210\u7535\u7f06\u6e29\u5ea6\u8fc7\u9ad8\uff0c\u7edd\u7f18\u65ad\u88c2\uff0c\u751a\u81f3\u53d1\u751f\u7206\u70b8\u548c\u706b\u707e\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\uff0d\u7535\u7f06\u8f7d\u6d41\u91cf
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\uff0d\u7535\u7ebf\u7535\u7f06
如果星三角启动选用两条95平方铜线，空开用500安，总电缆用150平方铜线
300平方铜电缆，500A断路器
绛旓細鎮ㄥソ锛歕x0d\x0a380V鐢垫満鍜220V鐢垫満閮芥槸浣庡帇鐢靛姩鏈猴紝220V鏄崟鐩哥數鍔ㄦ満鑰380V鏄笁鐩哥數鍔ㄦ満锛屼篃灏辨槸骞冲父鎵璇寸殑宸ヤ笟鐢ㄧ數銆備粠鐢靛姩鏈虹殑鍑哄姏鏉ヨ锛屽彧瑕佹槸棰濆畾鐢靛帇涓閮芥槸2.2KW銆傚悓鏍锋槸2.2KW鐨勭數鏈猴紝浣嗙數娴佹槸鏈夋槑鏄惧樊鍒殑锛屽洜涓猴紱瀵逛簬220V鐨勫崟鐩哥數鍔ㄦ満I=P/U鈭1.414=2.2/0.22*1.414=7.07A\x0d\...
绛旓細鐢3脳70+1脳35骞虫柟閾滅數缂嗕袱鏉″苟鑱斾緵鐢碉紝閰500A鏂矾鍣ㄣ
绛旓細涓夎褰㈡帴绾挎椂锛涓夌浉鐢垫満姣忎竴涓粫缁勬壙鍙楃嚎鐢靛帇锛380V锛夛紝鑰屾槦褰㈡帴绾挎椂锛岀數鏈姣忎竴鎵垮彈鐩哥數鍘嬶紙220V锛夈傚湪鐢垫満鍔熺巼鐩稿悓鐨勬儏鍐碉紝瑙掔嚎鐢垫満鐨勭粫缁勭數娴佽緝鏄熸帴鐢垫満鐢垫祦灏忋傚綋鐢垫満鎺ユ垚Y鍨嬭繍琛屾椂璧峰姩杞煩浠呮槸涓夎褰㈡帴娉曠殑涓鍗婏紝浣嗙數娴佷粎浠呮槸涓夎褰㈣捣鍔ㄧ殑涓夊垎涔嬩竴宸﹀彸銆備笁瑙掑舰璧峰姩鏃剁數娴佹槸棰濆畾鐢垫祦鐨4锛7鍊嶏紝浣嗚浆...
绛旓細鏈夎绠楀叕寮忥細鐢靛瀹归噺锛坲F锛=1950*棰濆畾鐢垫祦/锛220*鍔熺巼鍥犳暟锛夊彲浠ュ緱鍑猴細1950*4.87/锛220*0.8锛=9496.5/176=53.957 鍙互閫夌敤60uF鐢靛浣滆繍琛岀數瀹癸紝100uF鈥斺200uF鐢靛浣滃惎鍔ㄧ數瀹广
绛旓細380浼姝ｅ父鎯呭喌涓嬶紝120骞虫柟閾滆姱380V涓夌浉濉戞枡缁濈紭鐢电紗鍙甫200KW鐢垫満鎴250KW绾樆璐熻浇銆傛甯告儏鍐典笅锛120骞虫柟閾滆姱濉戞枡缁濈紭鐢电紗杞芥祦閲忎负380A锛380V涓夌浉鐢垫満鍔熺巼=380*380*1.732*0.8/1000=200KW锛屾垨380V涓夌浉绾數闃昏礋杞藉姛鐜=380*380*1.732/10000銆傚鏋滀笁鐩哥◢鏈変笉骞宠 锛屾牴鎹绠楄鍒欏彇鏈澶х數娴佽绠楃敤鐢甸噺锛...
绛旓細瀹屽叏鍙互锛1銆佺伀绾挎帴鐢靛姩鏈虹殑涓鏍圭嚎a锛2銆侀浂绾挎帴鐢靛姩鏈轰竴鏍圭嚎b锛3銆佸湪鐏嚎鎴栭浂绾夸笂鎺ヤ笂涓涓愬帇鍥涚櫨浜斿崄浼鐨勬棤鏋佹х數瀹瑰櫒锛岀數瀹瑰櫒鐨勫彟涓澶存帴鐢靛姩鏈篶锛屼簩鐐逛簩鐨勭數鍔ㄦ満锛屾帴鍦ㄤ簩鐧句簩鍗佷紡鐢垫簮涓婏紝涓嶆敼鍙樻帴娉曠殑鍔熺巼鍔熺巼鏄闆剁偣鍏崈鐡︼紝鎶婄數鍔ㄦ満鏀逛负涓夎褰㈣繛鎺鐢靛姩鏈哄姛鐜鎺ヨ繎棰濆畾鍔熺巼銆傜數瀹瑰閲忛夊洓鍗佽嚦...
绛旓細杩欐槸鎸涓夌浉380浼鐨鐢垫満锛W=1.732UIcos蠁 I=W/(1.732Ucos蠁) U=380 cos蠁=0.85鏃 I=W/560 褰鍔熺巼涓kw鏃讹紝I=W/0.560 =1.8W 褰 cos蠁=0.80鏃 I=W/0.527=1.9W锛屽嵆涓夌浉鐢垫満浼扮畻鐢垫祦绛変簬2鍊嵚卞灏戯紝鍙栧喅浜庡姛鐜囧洜鏁般傚姛鐜囧洜鏁拌秺澶у垯鐢垫祦瓒婂皬銆
绛旓細姝ゅ彛璇浠呴傜敤浜380/220V鐨勪笁鐩稿洓绾跨郴缁燂紝鍔熺巼浠W鎴栬匥VA涓哄崟浣嶏紝浼扮畻鐢垫祦浠涓哄崟浣嶃傝В閲婅鏄庯細杩欎袱鍙ュ彛璇涓紝鐢靛姏鏄寚鐢靛姩鏈恒傚湪涓夌浉380V鏃锛岀數鍔ㄦ満姣忓崈鐡︾殑鐢垫祦绾︿负2A銆傚嵆灏嗏滃崈鐡︽暟鍔犱竴鍊嶁濓紙涔2锛夊氨鏄數娴併傜數鐑槸鎸囧埄鐢ㄧ數闃诲姞鐑殑鐢甸樆鐐夌瓑銆備笁鐩380V鐨勭數鐑澶囷紝姣忓崈鐡︾殑鐢垫祦涓1.5A銆傚嵆灏嗏...
绛旓細鐪鐢靛帇锛屽簲璇ユ槸涓夌浉浜ゆ祦鐢垫満銆傛瘡鐩鍔熺巼涓22/3kw銆傚鏋滄槸鏄熷舰鎺ユ硶锛岀浉鐢靛帇涓220v锛岀數娴佷负22/3/220*1000=33.333A 濡傛灉鏄柍鎺ワ紝鐩哥數鍘嬩笌绾跨數鍘嬬浉绛夛紝涓380v锛鐢垫祦涓22/3/380*1000=19.298A
绛旓細姣忕浉鐢垫祦鏄4.18A銆涓夌浉鐢垫満鍔熺巼璁＄畻鍏紡鏄細P=U脳I脳1.732脳cos蠁 鍏朵腑锛1.732=鏍瑰彿3锛宑os蠁鏄姛鐜囧洜鏁帮紙涓鑸寜0.8宸﹀彸閫夊彇锛夈傛牴鎹叕寮忥細I=P/( U脳1.732脳cos蠁 ) =2200/(380 x 1.732 x 0.8)=2200/526=4.18A銆傛墍浠ヨ繖鍙扮數鏈哄湪棰濆畾璐熻浇涓嬶紝姣忕浉鐢垫祦鏄4.18A銆
