150平方毫米铜芯电缆线能承受多大电流 150平方毫米铜芯电缆线能承受多大电流
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1\u4f30\u7b97\u53e3\u8bc0
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2\u8bf4\u660e
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1\u30011.5\u3001 2.5\u3001 4\u3001 6\u3001 10\u3001 16\u3001 25\u3001 35\u3001 50\u3001 70\u3001 95\u3001 120\u3001 150\u3001 185\u2026\u2026
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\u7b2c\u56db\u90e8\u5206
(4)\u5bf9\u4e8e\u94dc\u5bfc\u7ebf\u7684\u8f7d\u6d41\u91cf\uff0c\u53e3\u8bc0\u6307\u51fa\u201c\u94dc\u7ebf\u5347\u7ea7\u7b97\u201d\uff0c\u5373\u5c06\u94dc\u5bfc\u7ebf\u7684\u7684\u622a\u9762\u6392\u5217\u987a\u5e8f\u63d0\u5347\u4e00\u7ea7\uff0c\u518d\u6309\u76f8\u5e94\u7684\u94dd\u7ebf\u6761\u4ef6\u8ba1\u7b97\u3002
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4\u7528\u9014
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kW=1.732*U*I*COS\u03c6
\u5f0f\u4e2d\uff1akW--\u7535\u529f\u7387\uff0c\u5355\u4f4dkW
U--\u7535\u538b\uff0c\u5355\u4f4dkV
I--\u7535\u6d41\uff0c\u5355\u4f4dA
COS\u03c6--\u7cfb\u7edf\u81ea\u7136\u529f\u7387\u56e0\u6570
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2\u3001\u4ee5\u4e0a\u662f\u94dd\u7ebf\u7684\u8ba1\u7b97\u6807\u51c6\uff0c\u94dc\u7ebf\u8981\u5347\u4e00\u7ea7\uff0c\u5373\uff1a150\u5e73\u65b9\u94dc\u82af\u7ebf\u7684\u8f7d\u6d41\u7cfb\u6570\u662f2.5\u3002150\u00d72.5=375A\u3002\u6240\u4ee5150\u5e73\u65b9\u6beb\u7c73\u94dc\u82af\u7535\u7f06\u7ebf\u80fd\u627f\u53d7375A\u7684\u7535\u6d41\u3002
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5\u3001\u5728\u7535\u6746\u548c\u62c9\u7ebf\u56db\u5468\u6316\u571f\uff0c\u66f4\u4e0d\u8981\u5728\u7535\u6746\u548c\u62c9\u7ebf\u9644\u8fd1\u653e\u70ae\u5d29\u571f\uff0c\u4ee5\u9632\u5d29\u4f24\u3001\u5d29\u65ad\u7535\u7ebf.\u4e0d\u8981\u628a\u7272\u755c\u6813\u5728\u7535\u6746\u6216\u7ebf\u4e0a\uff0c\u7ecf\u9632\u7535\u6746\u503e\u659c\u3001\u7535\u7ebf\u76f8\u78b0\uff0c\u751a\u81f3\u53d1\u751f\u5012\u6746\u65ad\u7ebf\u4e8b\u6545\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u7535\u538b\u89c4\u5f8b
\u7535\u538b\u4e3a\u63a8\u52a8\u7535\u8377\u5b9a\u5411\u79fb\u52a8\u5f62\u6210\u7535\u6d41\u7684\u539f\u56e0\u3002\u7535\u6d41\u4e4b\u6240\u4ee5\u80fd\u591f\u5728\u5bfc\u7ebf\u4e2d\u6d41\u52a8\uff0c\u4e5f\u662f\u56e0\u4e3a\u5728\u7535\u6d41\u4e2d\u6709\u7740\u9ad8\u7535\u52bf\u548c\u4f4e\u7535\u52bf\u4e4b\u95f4\u7684\u5dee\u522b\u3002\u8fd9\u79cd\u5dee\u522b\u53eb\u7535\u52bf\u5dee\uff0c\u4e5f\u53eb\u7535\u538b\u3002\u6362\u53e5\u8bdd\u8bf4\u3002\u5728\u7535\u8def\u4e2d\uff0c\u4efb\u610f\u4e24\u70b9\u4e4b\u95f4\u7684\u7535\u4f4d\u5dee\u79f0\u4e3a\u8fd9\u4e24\u70b9\u7684\u7535\u538b\u3002\u901a\u5e38\u7528\u5b57\u6bcdV\u4ee3\u8868\u7535\u538b\u3002
\u4e32\u8054\u7535\u8def\u7535\u538b\u89c4\u5f8b\uff1a\u4e32\u8054\u7535\u8def\u4e24\u7aef\u603b\u7535\u538b\u7b49\u4e8e\u5404\u90e8\u5206\u7535\u8def\u4e24\u7aef\u7535\u538b\u548c\u3002
\u516c\u5f0f\uff1a\u03a3U=U1+U2
\u5e76\u8054\u7535\u8def\u7535\u538b\u89c4\u5f8b\uff1a\u5e76\u8054\u7535\u8def\u5404\u652f\u8def\u4e24\u7aef\u7535\u538b\u76f8\u7b49\uff0c\u4e14\u7b49\u4e8e\u7535\u6e90\u7535\u538b\u3002
\u516c\u5f0f\uff1a\u03a3U=U1=U2
\u6b27\u59c6\u5b9a\u5f8b\uff1aU=IR\uff08I\u4e3a\u7535\u6d41\uff0cR\u662f\u7535\u963b\uff09\u4f46\u662f\u8fd9\u4e2a\u516c\u5f0f\u53ea\u9002\u7528\u4e8e\u7eaf\u7535\u963b\u7535\u8def
\u4e32\u8054\u7535\u538b\u4e4b\u5173\u7cfb\uff0c\u603b\u538b\u7b49\u4e8e\u5206\u538b\u548c\uff0cU=U1+U2.
\u5e76\u8054\u7535\u538b\u4e4b\u7279\u70b9\uff0c\u652f\u538b\u90fd\u7b49\u7535\u6e90\u538b\uff0cU=U1=U2
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-\u7535\u6e90\u7ebf
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-\u7535\u538b
二点五下乘以九，往上减一顺号走。
三十五乘三点五，双双成组减点五。
条件有变加折算，高温九折铜升级，依次50和70平方乘以三，95和120平方乘以2.5,150平方就乘以2，以上是铝线的计算标准，铜线要升一级，即：150平方铜芯线的载流系数是2.5。
150×2.5=375A。所以150平方毫米铜芯电缆线能承受375A的电流！
绛旓細2銆佷互涓婃槸閾濈嚎鐨勮绠楁爣鍑嗭紝閾滅嚎瑕佸崌涓绾э紝鍗筹細150骞虫柟閾滆姱绾跨殑杞芥祦绯绘暟鏄2.5銆150脳2.5=375A銆鎵浠150骞虫柟姣背閾滆姱鐢电紗绾胯兘鎵垮彈375A鐨勭數娴銆備竴銆佺敤鐢垫敞鎰忎簨椤 1銆佹棤璁烘槸闆嗕綋鎴栦釜浜,闇瑕佸畨瑁呯數姘旇澶囧拰鐢电伅绛夌敤鐢靛櫒鍏锋椂锛屽簲鐢辩數宸ヨ繘琛屽畨瑁咃紝鍦ㄤ娇鐢ㄤ腑锛岀數姘旇澶囧嚭鐜版晠闅滄椂锛岃鐢辩數宸ヨ繘琛屼慨鐞嗐2銆...
绛旓細150閾滆姱鐢电紗瀹夊叏鑽疯浇鐢垫祦鏄300A銆傚洜涓洪摐鑺數缂嗙殑鐢甸樆鐜囦綆锛屽湪鍚屾埅闈㈡祦杩囩浉鍚岀數娴佺殑鎯呭喌涓嬨傞摐鑺數缂嗙殑鐢靛帇闄嶅皬銆傜浉鍚岀殑杈撶數闂撮殧锛岃兘纭繚杈冮珮鐨勭數鍘嬭川閲;鍦ㄧ瓟搴旂殑鐢靛帇闄嶆潯浠朵笅锛岄摐鑺數缂嗚緭鐢佃兘鍒拌揪杈冭繙鐨勯棿闅旓紝鍗充緵鐢佃鐩栭潰绉ぇ锛屾湁鍒╀簬缃戠粶鐨勮鍒掞紝鍓婂噺渚涚數鐐圭殑璁剧疆鏁伴噺銆
绛旓細150骞虫柟閾滆姱锛屽畨鍏ㄨ浇娴侀噺涓300A锛岄暱鏈熻繍琛岀殑璇濓紝璐熻浇鐨勭數娴佸簲灏忎簬300A锛屼篃灏辨槸150KW锛涢棿闅旀х殑璇濓紝鍙互鎵垮彈300A鐨1.2-1.5鍊锛屼篃灏辨槸200A銆150骞虫柟锛屾湁鏁堣窛绂诲湪150绫筹紝220KW锛岄暱鏈熻繍琛岀殑璇濓紝瑕240骞虫柟绫筹紝闂撮殧鎬х殑璇濓紝185骞虫柟鐨勪篃琛
绛旓細150骞虫柟閾滅數缂嗘渶澶ц兘甯207鍗冪摝銆傛牴鎹彛璇锛150骞虫柟閾滅數缂嗗叾瀹夊叏杞芥祦閲忕浉褰撲簬185骞虫柟閾濈數缂嗗畨鍏ㄨ浇娴侀噺銆185骞虫柟閾濈數缂嗙殑瀹夊叏杞芥祦閲忎负鍏舵埅闈㈢殑2鍊嶏紝鍗185x2=370A銆傛墍浠150骞虫柟閾滅數缂嗗叾瀹夊叏杞芥祦閲忎负370A銆傚叾瀵瑰簲鐨勫姛鐜囦负锛歅=1.732UIcos蠁=1.732x0.38x370x0.85=207kW锛堢敤涓夌浉甯傜數璁＄畻锛屽姛鐜囧洜鏁板彇0...
绛旓細璁＄畻鐢垫祦锛欼 = P / U / cos胃 鏍规嵁鍔熺巼鍥犳暟鐨勪竴鑸姹傦紙澶т簬0.8锛夛紝鍙朿os胃=0.8銆傚垯 I = P / 380 / 0.8 = 1.315P 鏍规嵁娆у瀹氬緥鍙煡锛岀數鍘婾绛変簬鐢垫祦I涔樹互闃诲糝銆俇 = I * R 浠ｅ叆璁＄畻寰楋細380 = 1.315P * 4.026 P = 71.08 kW 鍥犳锛150骞虫柟閾滆姱鐢电紗绾鏈澶ц兘甯71.08鍗冪摝銆
绛旓細150骞虫柟姣背閾滆姱鐢电紗绾锛屾渶澶у彲浠ラ氳繃400A鐨勭數娴侊紝褰撲娇鐢ㄥ畠杩炴帴鍦380V鐢垫簮涓婃椂锛屽彲浠ュ甫152KW鐨勭敤鐢靛櫒銆
绛旓細鍚屼竴鏉鐢电紗鐨杞芥祦鑳藉姏锛屾寜鍏舵灦璁剧殑鏂瑰紡涓嶅悓锛屽氨鍙互鏈変笉鍚岀殑杞芥祦閲忋傛斁鐢电紗妲界殑鍙浇320瀹夛紝鏋剁┖鐨勶紝鍙揪450浠ヤ笂锛岀敋鑷500瀹夈傚鏄櫘閫氭ˉ鏋舵暦璁剧殑锛屽彲鎸350瀹夎绠椼
绛旓細150骞虫柟鐢电紗绾鏈澶х數娴佹槸750A;绾垮緞鍜岀數娴佺殑鍏崇郴 瀵肩嚎鎴潰绉笌鐢垫祦鐨勫叧绯 涓鑸摐绾垮畨鍏ㄨ绠楁柟娉曟槸锛2.5骞虫柟姣背閾鐢垫簮绾跨殑瀹夊叏杞芥祦閲忥紞锛28A銆4骞虫柟姣背閾滅數婧愮嚎鐨勫畨鍏ㄨ浇娴侀噺锛嶏紞35A 銆6骞虫柟姣背閾滅數婧愮嚎鐨勫畨鍏ㄨ浇娴侀噺锛嶏紞48A 銆10骞虫柟姣背閾滅數婧愮嚎鐨勫畨鍏ㄨ浇娴侀噺锛嶏紞65A銆16骞虫柟姣背閾滅數婧愮嚎鐨勫畨鍏...
绛旓細鍏佽杞芥祦閲282A锛3鐏1闆1鍦般300A涔熷彲浠ャ傛渶濂戒笉瑕佽秴杩300A銆
绛旓細褰撶數鍘嬩负涓夌浉380浼忔椂锛屽姛鐜300鍗冪摝鐨勭敤鐢佃澶囧彲浠ヤ娇鐢240骞虫柟鐨勪簲鑺摐鐢电紗銆傛牴鎹姛鐜囪绠楀叕寮忓彲浠ヨ绠楀嚭鍔熺巼300鍗冪摝鐨勭敤鐢佃澶囩殑宸ヤ綔鐢垫祦澶х害鏄455瀹夛紝鏍规嵁鐢电嚎鐢电紗瀹夊叏璐熻浇鐢电數娴佸鐓ц〃锛屽缓璁夌敤150鎴栨槸125骞虫柟姣背閾鐢电紗銆傛诲姛鐜300kw380v鐢ㄥ澶х數缂 1銆佸鏋滃崟绾鍏紡鐨勮瘽锛岃绠楀嚭鏉鐨勭數缂閮芥槸姣斿疄闄...
