50千瓦380的三相电要多少平方的铜线? 三相单股50平方的铜线能负荷多少千瓦
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16平方的线最好
扫扫地
绛旓細鎸夌収涓夌浉鍥涚嚎鍒380V50HZ鐨勪氦娴佺數鏃讹紝50鍗冪摝鐨勫姛鐜囪鐢35骞虫柟姣背鐨勯摐鑺數缂銆傛牴鎹畨鍏ㄨ浇娴侀噺琛紝鍙互鏌ュ埌瀹夊叏杞芥祦閲忔槸89.38瀹夊煿鐨勭數娴侊紝闇瑕35骞虫柟姣背鐨勯摐鑺數缂嗐傝櫧鐒跺绾挎埅闈㈢Н绋嶅井澶т竴鐐癸紝涓嶈繃杩欐牱鏇村畨鍏紝鍙互鏇磋兘淇濊瘉鐢佃矾鍙互姝e父宸ヤ綔銆傚厛鏍规嵁鍏紡璁$畻鐢垫祦锛屽啀瀵圭収瀹夊叏杞芥祦閲忚〃锛岄夌敤鐢电紗鎴潰绉備笁鐩...
绛旓細瀵逛簬50kW鐨勪笁鐩鍥涚嚎绯荤粺锛屾帹鑽愪娇鐢ㄦ埅闈㈢Н涓35mm²鐨勭數缂嗐傞鍏堬紝鏍规嵁鍔熺巼50鍗冪摝鍜屽姛鐜囧洜鏁伴氬父鍙0.85锛屽彲浠ヨ绠楀嚭鐢佃矾鐨勫伐浣滅數鍘嬨傞氳繃1.732锛堜笁鐩哥郴鏁帮級涔樹互380浼忥紙鏍囧噯鐢靛帇锛夛紝鍐嶄箻浠0.85锛堝姛鐜囧洜鏁帮級锛屽緱鍒扮殑缁撴灉鏄數鍘嬬殑璁$畻鍊笺傛帴鐫锛屽皢50鍗冪摝鐨勫姛鐜囬櫎浠ヨ绠楀嚭鐨勭數鍘嬶紝寰楀嚭鐢垫祦澶х害涓90瀹夊煿銆
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绛旓細3*50+1*25 涓鑸殑锛屽叿浣撳拰浣跨敤鐜锛岃礋杞借窛绂荤瓑绛夋湁鍏崇郴
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绛旓細鍗曠浉220V渚涚數锛 50骞虫柟姣背閾滆姱鐢电紗銆備袱鐩380V渚涚數锛 35骞虫柟姣背閾滆姱鐢电紗銆備笁鐩稿绉 (涓夌浉璐熻浇鍩烘湰骞宠 ) 380V渚涚數, 35骞虫柟姣背涓夌浉鍥涚嚎閾滆姱鐢电紗銆備笁鐩哥數鐨勫姛鐜囧洜鏁颁互0.85璁$畻銆傚姛鐜/鐢靛帇/鏍瑰彿3/鍔熺巼鍥犳暟 50KW/380/1.732/0.8589A銆傛牴鎹數缂嗗鐓ц〃锛屼粠闀挎湡瀹夊叏瑙掑害鑰冭檻锛岄渶瑕侀夋嫨35骞虫柟鐨勭數缂嗐
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绛旓細380V鐢靛帇锛25骞虫柟閾濈嚎锛屾渶澶ц兘甯52.6KW.鐢涓夌浉鐢垫満鍏紡锛歅=1.732UIcos桅 鎵浠ュ姛鐜囧彲璁$畻鍑猴細P=1.732*0.38*100*0.8=52.6鍗冪摝锛宑os桅涓0.8锛岀數鍘嬩负380V锛屼笁鐩镐簲绾25骞虫柟閾濈嚎鑺嚎鍙壙杞4*25=100A鐨勭數娴併
绛旓細50鍗冪摝鐢25骞虫柟鐨涓夎姱閾滅數缂嗐傛牴鎹姛鐜囧叕寮廝=1.732UIcos蠁鏈夛細 I=P/(1.732Ucos蠁) =50/(1.732X0.38X0.85) =89A锛堟寜涓夌浉甯傜數璁$畻锛屽姛鐜囧洜鏁板彇0.85锛 鏌ヤ笅闈㈢數缂嗚浇娴侀噺琛紝鍙25骞虫柟鐨勪笁鑺摐鐢电紗銆傝窛绂昏緝鐭椂鍙16骞虫柟涓夎姱閾滅數缂嗐
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