45千瓦电动机最大电流是多少？ 45千瓦电动机四极,最大短路电流是多少？
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三相380V50Hz工业用电电源45KW三相异步电机额定电流约86A左右实际运行工作电流要看负载、电源电压高低、电机效率功率素、服务系数定
三相380伏的电机，45千瓦，可以计算一下额定电流：约80个安培。这是额定电流。
45000/380/1.732/0.8=85.5A
绛旓細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勭數娴併傜敤鐢靛櫒姝ｅ父宸ヤ綔鏃剁殑鐢垫祦涓嶅簲瓒呰繃瀹冪殑棰濆畾...
绛旓細200A銆45鍗冪摝鐢垫満鐨勬甯稿伐浣滅數娴佺害涓90A锛岃屽惎鍔ㄧ數娴佸垯闇瑕200A宸﹀彸銆傞瀹氱數娴佹槸鎸囧湪棰濆畾鐢靛帇涓嬶紝鐢靛櫒璁惧鎸夌収棰濆畾鍔熺巼杩愯鏃舵墍闇鐨勭數娴併
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绛旓細涓鑸繖涔堝ぇ鐨勭數鏈洪兘鏄敤鍒颁笁鐩380V渚涚數锛鐢垫祦杩戜袱鍊嶇殑鍔熺巼鍗充负90瀹夊煿宸﹀彸锛岀數缂嗙嚎瑕佺敤鍒拌嚦灏25骞虫柟閾滅嚎锛屽鏋滈摑绾跨殑璇濊鍔犲嶆斁鍒55骞虫柟銆25骞虫柟姣背閾滅數婧愮嚎鐨勫畨鍏ㄨ浇娴侀噺涓120A銆25骞虫柟閾滅嚎鍙礋鑽峰姛鐜囷細鍗曠浉鐢碉細P=U*I=220*120=26400W=26.4KW 涓夌浉鐢碉細P=1.732*380*120*0.8=63KW锛45kw 鍔熺巼...
绛旓細涓夌浉380V50Hz宸ヤ笟鐢ㄧ數鐢垫簮45KW涓夌浉寮傛鐢垫満棰濆畾鐢垫祦绾86A宸﹀彸 瀹為檯杩愯宸ヤ綔鐢垫祦瑕佺湅璐熻浇銆佺數婧愮數鍘嬮珮浣庛佺數鏈烘晥鐜囧姛鐜囩礌銆佹湇鍔＄郴鏁板畾
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绛旓細45KW鐢垫満宸ヤ綔鐢垫祦90A宸﹀彸锛屼竴鑸夌數娴佺殑涓ゅ嶏紝180A鐨勭┖寮涓嶅锛屽氨閫200A锛屽鏋滄槸鍚姩鏃堕棿杈冮暱鐨勶紙姣斿椋庢満锛夐250A鐨勩傜┖姘斿紑鍏冲張鍚嶇┖姘旀柇璺櫒鏄柇璺櫒鐨勪竴绉嶏紝鍙鐢佃矾涓數娴佽秴杩囬瀹氱數娴佸氨浼氳嚜鍔ㄦ柇寮鐨勫紑鍏炽傜┖姘斿紑鍏虫槸浣庡帇閰嶇數缃戠粶鍜岀數鍔涙嫋鍔ㄧ郴缁熶腑闈炲父閲嶈鐨勪竴绉嶇數鍣紝瀹冮泦鎺у埗鍜屽绉嶄繚鎶ゅ姛鑳戒簬涓韬...
绛旓細鏈灏100A绌哄紑.35mm2閾滆姱鐢电紗.涓夌浉380V鐢垫満澶х害姣忓崈鐡2瀹夊煿,45KW鐢垫満棰濆畾鐢垫祦90A宸﹀彸,绌哄紑鐨勯瀹氱數娴佺殑閫夋嫨蹇呴』绛変簬鎴栧ぇ浜鐢垫満鐢垫祦,鐢辨鍙,45鍗冪摝鐢垫満閫100A绌哄紑.鐢电紗鎴潰鐨勫ぇ灏忔牴鎹數鏈虹數娴佺殑澶у皬閫夊彇.涔熷彲浠ヤ及绠,瀵归摑鑺數缂嗘埅闈㈡暟6鈥70mm2鏉ヨ,鎴潰鏁板姞5寰楁暟,灏辨槸鍙緵鏈澶鐢垫満鍔熺巼,閾滆姱鐢电紗鍗囩骇...
绛旓細45KW鐢垫満鐨棰濆畾鐢垫祦绾︿负80~90瀹夊煿锛堟瀬鏁版剤澶с侀瀹氱數娴佺害澶э紝濡45KW2鏋佺殑棰濆畾鐢垫祦绾︿负82A锛岃45KW8鏋佺殑棰濆畾鐢垫祦绾︿负94A锛夛紝鑰岀┖杞界數娴佺害涓洪瀹氱數娴佺殑鐨20~50%锛屾墍浠ワ紝浣犺鐨勮繖绉嶆儏鍐靛睘浜庢甯搞
