240kw功率用多大铜芯电缆？ 240kw功率用多大电缆
240kw\u529f\u7387\u7528\u591a\u5927\u94dc\u82af\u7535\u7f06240KW\u8d1f\u8f7d\u81f3\u5c11\u8981\u9009\u62e9240\u5e73\u65b9\u7684\u94dc\u82af\u7535\u7ebf\u3002240\u5e73\u65b9\u7684\u94dc\u82af\u7535\u7ebf\u660e\u7ebf\u6577\u8bbe\u5b89\u5168\u622a\u6d41\u91cf\u7ea6570A\u3002
240\u5343\u74e6\u529f\u7387\u7535\u6d41\u8ba1\u7b97\uff1a
\u4e09\u76f8\uff1aP=1.732UIcos\u03c6
P\uff1a\u529f\u7387\uff1b
U\uff1a\u7535\u538b\uff1b
I\uff1a\u7535\u6d41\uff1b
cos\u03c6\uff1a\u529f\u7387\u56e0\u6570\uff0c\u7535\u963b\u8d1f\u8f7d\u53d61\uff0c\u611f\u6027\uff08\u6bd4\u5982\u7535\u673a\uff09\u8d1f\u8f7d\u53d60.85\uff1b
\u6839\u53f73=1.732\uff1b
I=P/(1.732\u00d7U\u00d7cos\u03c6)
I=240/(1.732\u00d7380V\u00d70.85)
=436A
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\u7535\u7f06\u6210\u672c\u8ba1\u7b97\u516c\u5f0f
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\u94dc\u7684\u91cd\u91cfX\u94dc\u4ef7\u8ba1\u7b97\uff1a
\u4e1d\u5f84\u00f72=1.25X1.25X3.14
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\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1--\u7535\u529b\u989d\u5b9a\u529f\u7387
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1--\u7535\u7ebf\u7535\u7f06
\u6839\u636e\u7535\u7ebf\u7535\u6d41\u5bf9\u7167\u8868\uff0c240KW\u8d1f\u8f7d\u81f3\u5c11\u8981\u9009\u62e9240\u5e73\u65b9\u7684\u94dc\u82af\u7535\u7ebf\u3002
\u6839\u636e\u4e09\u76f8\u516c\u5f0f\u8ba1\u7b97\uff1aP=1.732UIcos\u03c6
cos\u03c6\uff1a\u529f\u7387\u56e0\u6570\uff0c\u7535\u963b\u8d1f\u8f7d\u53d61\uff0c\u611f\u6027\u8d1f\u8f7d\u53d60.85\u3002
I=240\u00d71000/(1.732\u00d7380V\u00d70.85)=429A
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P=W /t=F*S/t=F*V\uff08\u6b64\u516c\u5f0f\u9002\u7528\u4e8e\u7269\u4f53\u505a\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\uff09
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t\u8868\u793a\u65f6\u95f4\uff0c\u5355\u4f4d\u662f\u201c\u79d2\u201d\uff0c\u7b26\u53f7\u662f"s"\u3002
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240平方的铜芯电缆载流量约为570安。
绛旓細涓嶈鐨勩240KW璐熻浇鐢垫祦鏄455A锛堟垜鎸鍔熺巼鍥犳暟0.8绠楃殑锛夎150鐨勯摐绾胯浇娴侀噺涓246A銆傝鐢ㄩ摑绾挎垜寤鸿鐢2*BLV-4*120+1*75
绛旓細锛3锛夊浜庤８閾濈嚎鐨勮浇娴侀噺锛屽彛璇鎸囧嚭鈥瑁哥嚎鍔犱竴鍗娾濆嵆璁＄畻鍚庡啀鍔犱竴鍗娿傝繖鏄寚鍚屾牱鎴潰瑁搁摑绾夸笌閾鑺缁濈紭绾挎瘮杈冿紝杞芥祦閲忓彲鍔犲ぇ涓鍗娿備緥濡傚瑁搁摑绾胯浇娴侀噺鐨勮绠楋細褰撴埅闈负16骞虫柟姣背鏃讹紝鍒欒浇娴侀噺涓16脳4脳1.5鈺96瀹夛紝鑻ュ湪楂樻俯涓嬶紝鍒欒浇娴侀噺涓16脳4脳1.5脳0.9=86.4瀹夈(4)瀵逛簬閾瀵肩嚎鐨勮浇娴侀噺锛...
绛旓細240Kw鐐圭剨鏈猴紝鏈澶у伐浣滅數娴6鐧惧瀹夛紝鍥犵偣鐒婃満涓庡叾浠栫敤鐢靛櫒涓嶄竴鏍凤紝宸ヤ綔鏃朵笉浼氭弧璐熻嵎宸ヤ綔锛堟寚鐐圭剨鏈烘湁璋冨帇鍜岃皟娴佽缃級锛屽啀鍔犱笂鐐圭剨鏈烘槸鏂画宸ヤ綔銆傜嚎鏈夎冻澶熺殑鏁ｇ儹鏃堕棿銆傛墍浠ユ病蹇呰鎸夊叾浠栫敤鐢靛櫒鐨勬柟寮忔潵閫夌嚎銆傛牴鎹釜浜虹粡楠屼綘閫40鍒50骞虫柟鐨勭嚎灏卞彲浠ヤ簡銆
绛旓細鍏堣绠楃數娴侊紝鍐嶆牴鎹數娴侀夋嫨瀵肩嚎绾垮緞锛屾渶鍚庣‘瀹鐢电紗杩涚嚎澶у皬銆240鍗冪摝鐨勪笁鐩稿钩琛＄數娴佷负锛347瀹夊煿锛屼絾杩欎釜鏄叏閮ㄨ礋杞藉悓鏃朵娇鐢ㄧ殑鎬荤數娴侊紝涓嶈兘鐩存帴閫夋嫨鐢电紗锛佹墍浠ワ紝浣犲緱鍛婄煡璇ユ婚厤鐢垫煖鍚庯紝鎬诲叡鏈夊灏戞埛锛熸瘡涓鎴锋湁澶氬皯鍗冪摝锛熸瘡涓鎴锋渶澶х殑鐢ㄧ數鍣ㄦ槸浠涔堬紵鍥犱负鏈夊悓鏃朵娇鐢ㄧ郴鏁般佺粍鍚堢郴鏁颁互鍙鍔熺巼鍥犳暟锛岃繖浜涘弬鏁伴兘鏄...
绛旓細鍔熺巼420KW锛屽綋鐢靛帇380V銆佸姛鐜囧洜鏁0.8鏃讹紝鐢垫祦=420梅1.732梅0.38梅0.8鈮798A锛岃冭檻鍒伴儴鍒嗚澶囧惎鍔ㄦ椂鐢垫祦杈冨ぇ锛屼富鏂矾鍣ㄥ簲涓嶅皬浜1000A銆傚彲浠ラ噰鐢ㄥ浗鏍囧崟鏍瑰鑺120骞虫柟閾滆姱鐢电紗锛堢幆澧冩俯搴25鈩冩椂鍏佽鏈楂樺伐浣滄俯搴65鈩冿級浜岀粍锛屾垨鑰3脳150+2脳70缁勫悎鐢电紗銆
绛旓細260KW澶х害500~580A鐢垫祦锛岃屽浗鏍囩嚎120骞虫柟鍏佽鏈澶ц浇娴侀噺375~400A锛185骞虫柟鐨勫彲浠ヨ揪鍒490~540A銆傛墍浠ュ缓璁綘浣跨敤185骞虫柟鐨勫浗鏍囪仛姘箼鐑蒋閾滅嚎銆
绛旓細240骞虫柟姣背鐨閾滅數缂銆260KW锛屽伐浣滅數娴佸ぇ绾520A锛岄夌敤240骞虫柟姣背鐨閾滆姱鐢电紗銆傚鏋滅數婧愯窛绂诲湪30绫充互鍐咃紝寤鸿閫夋嫨鐢电紗妯埅闈负240骞虫柟鐨勯摐鐢电紗锛屽湪妫鏌ョ數缂嗗姣旇〃鍚庯紝瑁哥嚎鐨勫畨鍏ㄦ埅姝㈡祦閲忕害涓570A銆傚鏋滅數缂嗙殑璐熻浇閲忓お浣庝細鍑虹幇瓒呰礋鑽风殑鎯呭喌锛屽鑷寸數缂嗘崯鍧忥紝鎵浠ヨ閫夋嫨鍚堥傚ぇ灏忕殑鐢电紗銆
绛旓細鎬鍔熺巼400KW鐢靛帇380闇瑕佺敤400骞虫柟鐨閾滆姱鐢电紗銆傛牴鎹姛鐜囧叕寮廝=1.732UIcos蠁 鏈夛細I=P/(1.732Ucos蠁)=400/(1.732X0.38X0.85)=715A锛堝姛鐜囧洜鏁板彇0.85锛夋煡涓婇潰鐢电紗杞芥祦閲忚〃锛屽彲閫400骞虫柟鐨閾滅數缂銆傝窛绂昏緝杩滃彲閫500骞虫柟鐢电紗銆
绛旓細240骞虫柟閾滅數缂鑳藉甫澶氬皯鍗冪摝鏄笉纭畾鐨勶紝瑕佺湅鍏蜂綋鐨勭數璺儏鍐点備竴鑸潵璇达紝鍋囧鏄湪涓夌浉380V鐨勭郴缁熷綋涓紝閭ｄ箞鍗鑺240骞虫柟姣背鐨勯摐鐢电紗鍙互甯269鍗冪摝锛屼笁鑺240骞虫柟姣背鐨勯摐鐢电紗鍙互甯206鍗冪摝銆傚崟鑺240骞虫柟姣背閾滅數缂嗙殑鍙壙杞界殑鏈澶ф祦閲忎负510a锛岃屼笁鑺240骞虫柟姣背鐨勯摐鐢电紗鍙壙杞界殑鏈澶ф祦閲忎负392a銆鐢电嚎灏哄...
