120五芯电缆单根的直径是多少？ 国标120平方电缆直径有多大？
120\u5e73\u65b9x5\u7535\u7f06\u76f4\u5f84\u591a\u5c11\u578b\u53f7\u4e0d\u540c\uff0c\u7535\u7f06\u76f4\u5f84\u4e5f\u4f1a\u6709\u5dee\u5f02
\u6bd4\u5982\uff1aYJV-0.6/1KV-5*120mm2\u7535\u7f06\u8fd1\u4f3c\u5916\u5f84\u662f47mm
YJV22-0.6/1KV-5*120mm2\u7535\u7f06\u8fd1\u4f3c\u5916\u5f84\u662f51.2mm
VV-0.6/1KV-5*120mm2\u7535\u7f06\u8fd1\u4f3c\u5916\u5f84\u662f49.4mm
VV22-0.6/1KV-5*120mm2\u7535\u7f06\u8fd1\u4f3c\u5916\u5f84\u662f54mm
\u56fd\u6807120\u5e73\u65b9\u7535\u7f06\u7684\u7ebf\u82af\u662f37\u6839\u76f4\u5f842\u6beb\u7c73\u7684\u5706\u7ebf\u62e7\u6210\u3002\u56fd\u6807120\u5e73\u65b9\u7535\u7f06\u7684\u76f4\u5f84\u5355\u82af\u662f20.2\u6beb\u7c73\u3001\u4e24\u82af\u662f39.9\u6beb\u7c73\u3001\u4e09\u82af\u662f42.9\u6beb\u7c73\u3001\u56db\u82af\u662f47.8\u6beb\u7c73\u3002
\u62d3\u5c55\u8d44\u6599\uff1a
\u7535\u7f06\u5206\u7c7b
\u7535\u7f06\u6709\u7535\u529b\u7535\u7f06\u3001\u63a7\u5236\u7535\u7f06\u3001\u8865\u507f\u7535\u7f06\u3001\u5c4f\u853d\u7535\u7f06\u3001\u9ad8\u6e29\u7535\u7f06\u3001\u8ba1\u7b97\u673a\u7535\u7f06\u3001\u4fe1\u53f7\u7535\u7f06\u3001\u540c\u8f74\u7535\u7f06\u3001\u8010\u706b\u7535\u7f06\u3001\u8239\u7528\u7535\u7f06\u3001\u77ff\u7528\u7535\u7f06\u3001\u94dd\u5408\u91d1\u7535\u7f06\u7b49\u7b49\u3002\u5b83\u4eec\u90fd\u662f\u7531\u5355\u80a1\u6216\u591a\u80a1\u5bfc\u7ebf\u548c\u7edd\u7f18\u5c42\u7ec4\u6210\uff0c\u7528\u6765\u8fde\u63a5\u7535\u8def\u3001\u7535\u5668\u7b49\u3002
\u7535\u7f06\u6309\u7167\u5149\u4f0f\u7535\u7ad9\u7684\u7cfb\u7edf\u53ef\u5206\u4e3a\u76f4\u6d41\u7535\u7f06\u53ca\u4ea4\u6d41\u7535\u7f06\uff0c\u6839\u636e\u7528\u9014\u53ca\u4f7f\u7528\u73af\u5883\u7684\u4e0d\u540c\u5206\u7c7b\u5982\u4e0b\uff1a
1.\u76f4\u6d41\u7535\u7f06
(1)\u7ec4\u4ef6\u4e0e\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4e32\u8054\u7535\u7f06\u3002
(2)\u7ec4\u4e32\u4e4b\u95f4\u53ca\u5176\u7ec4\u4e32\u81f3\u76f4\u6d41\u914d\u7535\u7bb1(\u6c47\u6d41\u7bb1)\u4e4b\u95f4\u7684\u5e76\u8054\u7535\u7f06\u3002
(3)\u76f4\u6d41\u914d\u7535\u7bb1\u81f3\u9006\u53d8\u5668\u4e4b\u95f4\u7535\u7f06\u3002
\u4ee5\u4e0a\u7535\u7f06\u5747\u4e3a\u76f4\u6d41\u7535\u7f06\uff0c\u6237\u5916\u6577\u8bbe\u8f83\u591a\uff0c\u9700\u9632\u6f6e\u3001\u9632\u66b4\u6652\u3001\u8010\u5bd2\u3001\u8010\u70ed\u3001\u6297\u7d2b\u5916\u7ebf\uff0c\u67d0\u4e9b\u7279\u6b8a\u7684\u73af\u5883\u4e0b\u8fd8\u9700\u9632\u9178\u78b1\u7b49\u5316\u5b66\u7269\u8d28\u3002
2.\u4ea4\u6d41\u7535\u7f06
(1)\u9006\u53d8\u5668\u81f3\u5347\u538b\u53d8\u538b\u5668\u7684\u8fde\u63a5\u7535\u7f06\u3002
(2)\u5347\u538b\u53d8\u538b\u5668\u81f3\u914d\u7535\u88c5\u7f6e\u7684\u8fde\u63a5\u7535\u7f06\u3002
(3)\u914d\u7535\u88c5\u7f6e\u81f3\u7535\u7f51\u6216\u7528\u6237\u7684\u8fde\u63a5\u7535\u7f06\u3002
\u6b64\u90e8\u5206\u7535\u7f06\u4e3a\u4ea4\u6d41\u8d1f\u8377\u7535\u7f06\uff0c\u6237\u5185\u73af\u5883\u6577\u8bbe\u8f83\u591a\uff0c\u53ef\u6309\u7167\u4e00\u822c\u7535\u529b\u7535\u7f06\u9009\u578b\u8981\u6c42\u9009\u62e9\u3002
\u7535\u7f06 \u767e\u5ea6\u767e\u79d1
单根就是120MM2
18.4mm
绛旓細120浜旇姱鐢电紗鍗曟牴鐨勭洿寰勬槸12.3638mm
绛旓細鐢垫簮绾跨殑瑙勬牸涓120骞虫柟锛岃岄浂绾垮拰鍦扮嚎鐨勮鏍间负95骞虫柟銆傚浗鏍囪瀹120骞虫柟鐢电紗鐨勭嚎鑺敱37鏍圭洿寰勪负2姣背鐨勫渾绾挎嫥鎴愩鍗曡姱绾跨殑鐩村緞涓20.2姣背锛屼袱鑺嚎涓39.9姣背锛屼笁鑺嚎涓42.9姣背锛屽洓鑺嚎涓47.8姣背銆傝繖涓浜涜鏍兼槸鏍规嵁鏍囧噯鍒跺畾鐨勶紝鐢ㄤ簬纭繚鐢电紗鐨勫畨鍏ㄥ拰鍙潬鎬с
绛旓細4. **鐗规畩瑙勬牸**锛氳繕鏈変竴浜涚壒娈婅鏍肩殑浜旇姱鐢电紗锛屼緥濡備氦鑱旇仛涔欑儻缁濈紭鑱氫箼鐑姢濂楃數鍔涚數缂4+1鑺紝鏍囩О鎴潰绉涓120mm²锛屼腑鎬х嚎鎴潰绉负70mm²锛涙垨鑰呮槸5鑺瓑寰勭數缂嗭紝浠ュ強3+2瑙勬牸鐨勭數缂嗭紝渚嬪涓夋牴鐏嚎4骞虫柟锛岄浂绾垮拰鍦扮嚎2.5骞虫柟銆傜患涓婃墍杩帮紝鍦ㄩ夋嫨浜旇姱鐢电紗鏃讹紝闇瑕佹牴鎹疄闄呯殑鐢靛姏闇姹傘佹暦璁剧幆...
绛旓細60宸﹀彸
绛旓細浜旇姱鐢电紗绾鏈夊摢浜涜鏍 1銆佷氦鑱旇仛涔欑儻缁濈紭鑱氫箼鐑姢濂楃數鍔涚數缂 4+1鑺爣绉版埅闈㈢Н涓120mm2锛屼腑鎬х嚎鎴潰绉负70 mm2;2銆佷氦鑱旇仛涔欑儻缁濈紭鑱氫箼鐑姢濂楄愮伀鐢靛姏鐢电紗 4+1鑺 鏍囩О鎴潰绉负35mm2锛屼腑鎬х嚎鎴潰绉负16 mm2;3銆佷氦鑱旇仛涔欑儻缁濈紭鑱氫箼鐑姢濂楄愮伀鐢靛姏鐢电紗 5鑺 鏍囩О鎴潰绉负6mm2;4銆侀摐鑺仛姘箼鐑粷缂樼數绾匡紝...
绛旓細120浜旇姱閾滅數缂嗕竴绫冲惈4.49KG閾溿備緷鎹浗瀹舵爣鍑嗭紝120浜旇姱閾鐢电紗鐨瑙勬牸鏄3*120+2*70锛岄噸閲忚绠楁柟娉曟槸闈㈢Н涔樹互闀垮害涔樹互瀵嗗害锛屼緷鎹叕寮廤=S*蟻*L銆傞摐鐨勫瘑搴︽槸8.98KG/mm^3锛涢暱搴﹀湪姝ゅ鏄0.001KM锛岋紙瀵嗗害绗﹀彿蟻锛夛紝120浜旇姱閾滅數缂嗕竴绫抽噸閲忔槸锛120*3+2*70锛*8.98*0.001=4.49KG銆
绛旓細37鑺/2.03MM銆120骞虫柟鐢电紗鐢垫祦涓鑸爣鍑嗛厤缃湪240A宸﹀彸锛屽鐭椂闂磋繍琛屽彲鍔犲ぇ鍒300A宸﹀彸銆10骞虫柟浠ヤ笅锛岃浇娴侀噺鏄埅闈㈢Н鐨5鍊嶏紝涔熷氨鏄5A/骞虫柟銆100骞虫柟浠ヤ笂锛岃浇娴侀噺鏄绾挎埅闈㈢Н鐨2鍊嶏紝涔熷氨鏄2A/骞虫柟銆120x2=240锛圓)銆傜數缂嗚浇娴侀噺鏄寚涓鏉＄數缂嗙嚎璺湪杈撻佺數鑳芥椂鎵閫氳繃鐨勭數娴侀噺锛屽湪鐑ǔ瀹氭潯浠朵笅锛屽綋...
绛旓細鐩稿悓浣撶Н鐨勯摐鍚湁鏇村鐨勮川閲忥紝浣垮緱120骞虫柟5鑺數缂嗕腑鐨勯摐璐ㄩ噺杈冨ぇ銆2銆佺數缂嗙殑瑙勬牸鍜岄暱搴︼細120骞虫柟5鑺數缂嗙殑瑙勬牸涓3120+270锛3120琛ㄧず瀵间綋鐨勬埅闈㈢Н涓120骞虫柟姣背锛270琛ㄧず灞忚斀灞傚拰鎶ゅ鐨勯噸閲忋傞氳繃灏嗗浣撴埅闈㈢Н銆侀暱搴﹀拰閾滅殑瀵嗗害浠ｅ叆鍏紡W=S蟻L锛屽彲浠ヨ绠楀嚭涓绫崇數缂嗕腑閾滅殑閲嶉噺涓4.49鍗冨厠銆
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绛旓細瑕佺湅浠涔堟牱鐨勮礋杞斤紵涓銆佸鏋滃綋涓湁鍗曠浉渚涚數銆佹垨涓夌浉璐熻浇涓嶅钩琛℃椂锛岀浉绾垮拰闆剁嚎搴旂瓑鎴潰锛5鑺數缂瑙勬牸鍒欎负锛4脳120+1脳70锛涗簩銆佸鏋滈兘鏄笁鐩稿钩琛¤礋杞斤紝闆剁嚎鐨勬埅闈㈢Н鍒欌墺鐩哥嚎鐨1/2锛5鑺數缂嗚鏍煎垯涓猴細3脳120+2脳70 .涓婅堪鐢电紗鐨勫瀷鍙锋湁YJV銆乊JV22銆乂V銆乂V22绛 ...
