380v电压四平方铜钱的额定负载是多少 380v4平方的铜线能带多少个千瓦？
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***
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get\u5fc5\u5907\u751f\u6d3b\u5e38\u8bc6
4平方铜线载流42A，P=380*42*1.732=27643W=27.6KW
绛旓細380V鍥涘钩鏂归摐绾跨殑棰濆畾鐢垫祦鏄20A锛屽彲甯13kW鐨勮礋杞姐
绛旓細瑕佸垎鎯呭喌锛屽叿浣撳涓嬶細4mm²鐨閾滆姱绾瀹夊叏杞芥祦閲忔槸42A锛岃冭檻鐜鍜屾暦璁炬柟寮忕瓑鍥犵礌鐣欎竴瀹氱殑浣欓噺锛屾寜8鎶樿绠楋細42脳0.8=33.6A銆傝绠楄兘甯︾殑璐熻嵎锛歅=UI鈭3cos蠁=380脳33.6脳1.732脳0.85=18797W銆4mm²閾滆姱绾胯兘甯18.8KW锛堝崈鐡︼級銆傝嫢鏄摑鑺嚎锛4mm²閾濊姱绾垮畨鍏ㄨ浇娴侀噺鏄32A,8...
绛旓細涓夌浉鐢碉紝鐢靛帇380浼忥紝鍗曠浉鏄220浼忥紝鍥涘钩鏂归摐绾垮彲浠ヨ礋鑽14321鐡銆4mm²鐨勯摐鑺嚎瀹夊叏杞芥祦閲忔槸42A锛岃冭檻鐜鍜屾暦璁炬柟寮忕瓑鍥犵礌鐣欎竴瀹氱殑浣欓噺锛屾寜8鎶樿绠楋細42脳0.8=33.6A銆傝绠楄兘甯︾殑璐熻嵎锛歅=UI鈭3cos蠁=380脳33.6脳1.732脳0.85=18797W;4mm²閾滆姱绾胯兘甯18.8KW鐨勭數鍣ㄣ傝嫢鏄摑鑺嚎锛4...
绛旓細鍦ㄥ疄闄呮儏鍐典腑锛屼负浜嗛槻姝㈢數绾胯繃鐑拰寮曞彂瀹夊叏浜嬫晠锛岀數绾跨殑璐熻浇搴旇鎺у埗鍦ㄤ竴瀹氳寖鍥村唴銆傛牴鎹數涓氬眬鐨勮瀹氬拰鐢靛伐缁忛獙锛4骞虫柟姣背鐨閾滅嚎鍦380V鐢靛帇涓嬶紝瀹夊叏鐨勮礋杞藉姛鐜囩害涓5.9鍒7.7鍗冪摝銆傝繖涓暟鍊煎凡缁忚冭檻鍒颁簡鐢电嚎鐨勬暎鐑潯浠躲佺幆澧冩俯搴︺佽礋杞界被鍨嬬瓑澶氱鍥犵礌銆傜患涓婃墍杩帮紝铏界劧鐞嗚璁＄畻缁欏嚭浜19鍒22.8鍗冪摝鐨勫姛鐜囪寖...
绛旓細鏄庣嚎鍙壙杞7000W鐨勭數鍣ㄥ姛鐜囷紝鏆楃嚎鏈澶ф壙鍙楃數鍣ㄥ姛鐜囦竴鑸湪5500W宸﹀彸銆4骞虫柟鐨勯摐鑺嚎鏄庢暦鏈澶у厑璁歌浇娴侀噺35-40A宸﹀彸锛鍗7-8KW璐熻嵎銆傚緢澶氬搴殑瀹剁數璐熻嵎鍩烘湰涓婂湪7-8KW宸﹀彸锛4骞虫柟鐨勯摐鑺嚎鍕夊己鍙互锛岀數绾跨┛绠¤浇娴侀噺瑕佹墦8鎶橈紝澶忓楂樻俯瀛ｈ妭鐢电嚎鍙兘浼氬彂鐑儳鐒︺傛墍浠ュ钩甯哥敤鐢靛敖閲忛伩鍏嶅叏閮ㄧ數鍣ㄥ悓鏃跺紑鍚
绛旓細鏍规嵁涓婅〃4骞虫柟鐨勯摐绾鏈澶ц浇娴侀噺32A,鐢靛帇鍦380V鏍囧噯鎯呭喌涓嬩竴涓崈鐡﹂渶瑕2-2.5A鐨勭數娴,鍏蜂綋鎯呭喌杩樿鐪嬩綘鐢电嚎鐨勯摵璁炬儏鍐点侀暱搴︺佺幆澧冩俯搴︺佸伐浣滄晥鐜囨潵纭畾,鏈澶ц礋鑽锋帶鍒跺湪16鍗冪摝浠ュ唴銆 鏈洖绛旇缃戝弸閲囩撼 宸茶禐杩 宸茶俯杩< 浣犲杩欎釜鍥炵瓟鐨勮瘎浠锋槸? 璇勮 鏀惰捣 鐧惧害缃戝弸e7513ee 2019-01-14 路 TA鑾峰緱瓒呰繃657涓禐 ...
绛旓細鎴潰绉4骞虫柟姣背鐨勯摐濉戠嚎鏄庢暦40瀹夛紝浜岀嚎绌跨38瀹夛紝涓夌嚎绌跨33瀹夛紝鍥涚嚎绌跨30瀹夛紝浜岃姱鎶ゅ33瀹夛紝涓夊洓鑺姢濂25瀹夛紝閾滄绾挎槑鏁37瀹夛紝浜岀嚎绌跨35瀹夛紝涓夌嚎绌跨30瀹夛紝鍥涚嚎绌跨27瀹夛紝鎶ゅ绾夸簩鑺28瀹夛紝涓夊洓鑺21瀹夈傝繖浜涙暟瀛椾箻浠ヤ緵鐢鐢靛帇锛屽氨鏄4骞虫柟閾滅嚎鎵鑳藉甫鐨勬渶澶ц礋杞藉姛鐜(鍐嶉櫎浠1000灏辨槸鍗冪摝鏁)...
绛旓細鍥涖4骞虫柟鐢电嚎鍙互璐熻嵎澶氬皯鐡 鍗曠浉鐢垫簮1KW绾︽槸4.5A锛8KW绾︽槸36A銆4骞虫柟鐢电嚎(鐙牴鐨勫閾滅嚎)杞芥祦閲忕害鏄30A锛屽皬涓浜涳紝鎹6骞虫柟绾(鍗曡窇鐢垫簮).浣犵殑琛ㄥ拰闂搁兘蹇呴』鎹㈠ぇ鐨勩備笉鐢ㄨ繖涔堝ぇ鍔熺巼鍚э紝鏈灏4KW锛屼篃鍙互鐨勩4骞虫柟鐢电嚎涓炲彈鍊掑灏戝崈鐡︾數鍔涢偅瑕佺湅浣犳槸瀹跺涵220v鐢鐢杩樻槸宸ュ巶380v鐨浜嗚鏄220鐨4骞虫柟...
绛旓細380V鎺4骞虫柟閾滅嚎鑳藉甫4涓崈鐡︺傛牴鎹绾胯浇娴侀噺锛4骞虫柟姣背鐨勯摐瀵肩嚎杞芥祦閲忓湪锛25A-32A銆傛牴鎹笁鐩稿洓绾垮埗鍔熺巼璁＄畻鍏紡锛歅=鈭3UIcosb锛坈osb涓哄姛鐜囧洜鏁帮紝涓鑸彇鍊0.85锛塒=1.732脳380脳25脳0.85=13985.9锛堢摝锛=13.986锛堝崈鐡︼級
绛旓細4骞虫柟鐨勯摐绾挎渶楂樺彲浠ヨ礋鑽23鍗冪摝銆傛牴鎹彛璇锛4骞虫柟鐨勯摐绾挎寜6骞虫柟鐨勯摑绾胯绠楋紝鍏跺畨鍏ㄨ浇娴侀噺涓烘埅闈㈢殑7鍊嶏紝鍗6x7=42A锛屾墍浠4骞虫柟鐨閾滅嚎鐨瀹夊叏杞芥祦閲忎负42A銆傚鏋滄槸涓夌浉锛屽姛鐜囪绠楀涓嬶細P=1.732UIcos蠁 =1.732x0.38x42x0.85=23kW锛堢敤涓夌浉甯傜數璁＄畻锛屽姛鐜囧洜鏁板彇0.85锛夈傚鏋滄槸鍗曠浉锛屽姛鐜囪绠楀涓嬶細P...
