电线截面25平方毫米直径为多少？ 25平方电缆直径多少？
\u7535\u7ebf\u622a\u976225\u5e73\u65b9\u6beb\u7c73\u76f4\u5f84\u662f\u591a\u5c11\uff1f2.5\u5e73\u65b9\u6beb\u7c73\u7684\u56fd\u6807\u7535\u7ebf\u76f4\u5f84\u662f1.785\u6beb\u7c73
\u56fd\u6807\u7535\u7ebf\u4e00\u822c\u8981\u6c42\u76f4\u6d41\u7535\u963b\u7b26\u5408\u6807\u51c6\u8981\u6c42\uff0c\u5b9e\u9645\u5916\u5f84\u8fbe\u52301.75mm\u5c31\u80fd\u7b26\u5408\u56fd\u6807\u76f4\u6d41\u7535\u963b\u8981\u6c42\u3002
\u56fd\u6807\u7535\u7ebf\uff1a\u5c31\u662f\u5b8c\u5168\u6309\u7167\u56fd\u6807\u6765\u751f\u4ea7\u7684\u7535\u7ebf\u3002\u4e00\u822c\u5bb6\u7528\u3001\u5e38\u89c1\u7684\u7535\u7ebf\u90fd\u662f\u56fd\u5bb6\u6807\u51c6\u89c4\u683c\u6027\u80fd\u7684\uff0c\u56fd\u6807\u5728\u7535\u7ebf\u7684\u5916\u89c2\u6807\u51c6\u3001\u673a\u68b0\u5f3a\u5ea6\u3001\u62a4\u5957\u7684\u7edd\u7f18\u3001\u7ebf\u963b\u3001\u9ad8\u4f4e\u6e29\u51b2\u51fb\u7b49\u65b9\u9762\u6709\u5177\u4f53\u7684\u89c4\u5b9a\u3002
\u5e73\u65b9\uff1a\u6307\u7535\u7ebf\u7684\u6a2a\u622a\u9762\u79ef\uff0c\u4e00\u822c\u5355\u4f4d\u662f\u5e73\u65b9\u6beb\u7c73\u3002
\u6839\u636e\u5706\u9762\u79ef\u7684\u8ba1\u7b97\u516c\u5f0f\uff0c\u03c0r²=2.5
r²=2.5/3.14=0.7962
r=\u221a0.7962=0.8925
2r=1.785
\u6269\u5c55\u8d44\u6599\uff1a
\u8861\u91cf\u6807\u51c6
1\u3001\u5916\u89c2\u6807\u51c6,\u7535\u7ebf\u4e0a\u5fc5\u987b\u6709\u8ba4\u8bc1\u6807\u5fd7\u3001\u5236\u9020\u5546\u3001\u7ebf\u5f84\u7b49, \u5730\u7ebf\u7528\u9ec4\u7eff\u8272\u7edd\u7f18\u5c42
2\u3001\u673a\u68b0\u5f3a\u5ea6
3\u3001\u62a4\u5957\u7684\u7edd\u7f18(\u4e00\u822c\u5927\u4e8e100M\u03a9)\u548c\u8010\u538b\u5f3a\u5ea6(500V\u4ee5\u4e0b1500V)
4\u3001\u7ebf\u963b(\u4e00\u5b9a\u7684\u7ebf\u5f84\u3001\u7535\u5bfc\u7387\u3001\u957f\u5ea6\u4e0b\u4e0d\u5927\u4e8e\u4e00\u5b9a\u7684\u7535\u963b)
5\u3001\u9ad8\u6e29\u51b2\u51fb150\u5ea6\u4e0b\uff0c\u4f4e\u6e29-30\u5ea6\u4e0b\u7535\u7ebf\u4e0d\u5f97\u51fa\u73b0\u5f00\u88c2\u7b49\u3002
\u7535\u7ebf\u7684\u622a\u9762\u6307\u7684\u662f\u7535\u7ebf\u5185\u94dc\u82af\u7684\u622a\u9762\u3002\u4f4f\u5b85\u5185\u5e38\u7528\u7684\u7535\u7ebf\u622a\u9762\u6709 0.5m2\u30011m2\u30011.5m2 \u3001 2 .5m2 \u3001 4m2 \u3001 6m2 \u3001 10m2 \u3001 16m2 \u3001 25m2 \u3001 35m2 \u3001 50m2 \u7b49\u3002
\u622a\u6d41\u91cf\u6307\u7684\u662f\u7535\u7ebf\u5728\u5e38\u6e29\u4e0b\u6301\u7eed\u5de5\u4f5c\u5e76\u80fd\u4fdd\u8bc1\u4e00\u5b9a\u4f7f\u7528\u5bff\u547d\uff08\u5982 30 \u5e74\uff09\u7684\u5de5\u4f5c\u7535\u6d41\u5927\u5c0f\u3002\u7535\u7ebf\u622a\u6d41\u91cf\u7684\u5927\u5c0f\u4e0e\u5176\u622a\u9762\u79ef\u7684\u5927\u5c0f\u6709\u5173\uff0c\u5373\u5bfc\u7ebf\u622a\u9762\u8d8a\u5927\uff0c\u5b83\u6240\u80fd\u901a\u8fc7\u7684\u7535\u6d41\u4e5f\u8d8a\u5927\u3002\u5982\u679c\u7ebf\u8def\u7535\u6d41\u8d85\u8fc7\u8f7d\u6d41\u91cf\uff0c\u4f7f\u7528\u5bff\u547d\u5c31\u76f8\u5e94\u7f29\u77ed\uff0c\u5982\u4e0d\u53ca\u65f6\u6362\u7ebf\uff0c\u5c31\u53ef\u80fd\u5f15\u8d77\u79cd\u79cd\u7535\u6c14\u4e8b\u6545\u3002
\u5bfc\u7ebf\u622a\u9762\u8d8a\u5927\uff0c\u5b83\u6240\u80fd\u901a\u8fc7\u7684\u7535\u6d41\u4e5f\u8d8a\u5927.
\u91c7\u7528\u5178\u578b\u7684\u56db\u7ebf\u5236\u6d4b\u91cf\u6cd5\u3002\u4ee5\u671f\u63d0\u9ad8\u6d4b\u91cf\u7535\u963b\uff08\u5c24\u5176\u662f\u4f4e\u963b\uff09\u7684\u51c6\u786e\u5ea6\u3002\u7a0b\u63a7\u6052\u6d41\u6e90\u3001\u7a0b\u63a7\u524d\u7f6e\u653e\u5927\u5668\u3001A/D\u8f6c\u6362\u5668\u6784\u6210\u4e86\u6d4b\u91cf\u7535\u8def\u7684\u4e3b\u4f53\u3002\u4e2d\u592e\u63a7\u5236\u5355\u5143\u901a\u8fc7\u63a7\u5236\u6052\u6d41\u6e90\u7ed9\u5916\u90e8\u5f85\u6d4b\u8d1f\u8f7d\u65bd\u52a0\u4e00\u4e2a\u6052\u5b9a\u3001\u9ad8\u7cbe\u5ea6\u7684\u7535\u6d41\uff0c\u7136\u540e\uff0c\u5c06\u6240\u83b7\u5f97\u7684\u6570\u636e\uff08\u5305\u62ec\u6d4b\u8bd5\u7535\u538b\u3001\u5f53\u524d\u7684\u6d4b\u8bd5\u7535\u6d41\u7b49\uff09\u8fdb\u884c\u5904\u7406\uff0c\u5f97\u5230\u5b9e\u9645\u7535\u963b\u503c\u3002
\u53ef\u5b58\u50a8255\u8bd5\u9a8c\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u6253\u5370\u5b58\u50a8\u7684\u6240\u6709\u8bd5\u9a8c\u6570\u636e\u3002\u4eea\u5668\u590d\u4f4d\u3001\u6389\u7535\u65f6\u6240\u5b58\u50a8\u7684\u6570\u636e\u5747\u4e0d\u4e22\u5931\u3002
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1\u2014\u2014\u56fd\u6807\u7535\u7ebf
\u7535\u7ebf\u7535\u7f0625\u5e73\u65b9\u4e00\u82af\u7535\u7f06\u7ebf\u94dc\u7ebf\u76f4\u5f8416.4mm\u3002\u67e5VV32 YJV32 \u94dc\u82af\u5851\u6599\u7edd\u7f18\u7535\u529b\u7535\u7f06\u76f4\u5f84\u8868\u6709\uff0c25\u5e73\u65b9\u7684\u7535\u7f06\uff0c\u5355\u82af\u76f4\u5f84\u662f16.4mm\uff1b\u53cc\u82af\u76f4\u5f84\u662f29.4mm\uff1b\u4e09\u82af\u76f4\u5f84\u662f31.2mm\uff1b\u56db\u82af\u76f4\u5f84\u662f34.1mm\uff1b\u4e94\u82af\u76f4\u5f84\u662f37.3mm\u3002
\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
\u578b\u53f7\u4e2d\u7684\u7701\u7565\u539f\u5219\uff1a\u7535\u7ebf\u7535\u7f06\u4ea7\u54c1\u4e2d\u94dc\u662f\u4e3b\u8981\u4f7f\u7528\u7684\u5bfc\u4f53\u6750\u6599\uff0c\u6545\u94dc\u82af\u4ee3\u53f7T\u7701\u5199\uff0c\u4f46\u88f8\u7535\u7ebf\u53ca\u88f8\u5bfc\u4f53\u5236\u54c1\u9664\u5916\u3002\u88f8\u7535\u7ebf\u53ca\u88f8\u5bfc\u4f53\u5236\u54c1\u7c7b\u3001\u7535\u529b\u7535\u7f06\u7c7b\u3001\u7535\u78c1\u7ebf\u7c7b\u4ea7\u54c1\u4e0d\u8868\u660e\u5927\u7c7b\u4ee3\u53f7\uff0c\u7535\u6c14\u88c5\u5907\u7528\u7535\u7ebf\u7535\u7f06\u7c7b\u548c\u901a\u4fe1\u7535\u7f06\u7c7b\u4e5f\u4e0d\u5217\u660e\uff0c\u4f46\u5217\u660e\u5c0f\u7c7b\u6216\u7cfb\u5217\u4ee3\u53f7\u7b49\u3002
\u7b2c7\u9879\u662f\u5404\u79cd\u7279\u6b8a\u4f7f\u7528\u573a\u5408\u6216\u9644\u52a0\u7279\u6b8a\u4f7f\u7528\u8981\u6c42\u7684\u6807\u8bb0\uff0c\u5728\u201c-\u201d\u540e\u4ee5\u62fc\u97f3\u5b57\u6bcd\u6807\u8bb0\u3002\u6709\u65f6\u4e3a\u4e86\u7a81\u51fa\u8be5\u9879\uff0c\u628a\u6b64\u9879\u5199\u5230\u6700\u524d\u9762\u3002\u5982ZR-\uff08\u963b\u71c3\uff09\u3001NH-\uff08\u8010\u706b\uff09\u3001WDZ-\uff08\u4f4e\u70df\u65e0\u5364\u3001\u4f01\u4e1a\u6807\u51c6\uff09\u3001TH-\uff08\u6e7f\u70ed\u5730\u533a\u7528\uff09\u3001FY-\uff08\u9632\u767d\u8681\u3001\u4f01\u4e1a\u6807\u51c6\uff09\u7b49\u3002
2.1×7。
下面的各种规格的电源线线芯直径大小：
25平方毫米是电线的横截面积，25/3.14约为8，8的开方为2.8，这是半径，直径大约为5.6毫米，你自己算一下就知道了
绛旓細2.5骞虫柟姣背鐨勫浗鏍鐢电嚎鐩村緞鏄1.785姣背 鍥芥爣鐢电嚎涓鑸姹傜洿娴佺數闃荤鍚堟爣鍑嗚姹傦紝瀹為檯澶栧緞杈惧埌1.75mm灏辫兘绗﹀悎鍥芥爣鐩存祦鐢甸樆瑕佹眰銆傚浗鏍囩數绾匡細灏辨槸瀹屽叏鎸夌収鍥芥爣鏉ョ敓浜х殑鐢电嚎銆備竴鑸鐢ㄣ佸父瑙佺殑鐢电嚎閮芥槸鍥藉鏍囧噯瑙勬牸鎬ц兘鐨勶紝鍥芥爣鍦ㄧ數绾跨殑澶栬鏍囧噯銆佹満姊板己搴︺佹姢濂楃殑缁濈紭銆佺嚎闃汇侀珮浣庢俯鍐插嚮绛夋柟闈㈡湁鍏蜂綋鐨勮瀹氥傚钩鏂...
绛旓細2.5骞虫柟姣背鐨勫浗鏍鐢电嚎鐩村緞鏄1.785姣背 鍥芥爣鐢电嚎涓鑸姹傜洿娴佺數闃荤鍚堟爣鍑嗚姹傦紝瀹為檯澶栧緞杈惧埌1.75mm灏辫兘绗﹀悎鍥芥爣鐩存祦鐢甸樆瑕佹眰銆傚浗鏍囩數绾匡細灏辨槸瀹屽叏鎸夌収鍥芥爣鏉ョ敓浜х殑鐢电嚎銆備竴鑸鐢ㄣ佸父瑙佺殑鐢电嚎閮芥槸鍥藉鏍囧噯瑙勬牸鎬ц兘鐨勶紝鍥芥爣鍦ㄧ數绾跨殑澶栬鏍囧噯銆佹満姊板己搴︺佹姢濂楃殑缁濈紭銆佺嚎闃汇侀珮浣庢俯鍐插嚮绛夋柟闈㈡湁鍏蜂綋鐨勮瀹氥傚钩鏂...
绛旓細鍥芥爣鐢电嚎25骞虫柟鐨勫浣撶洿寰勬槸2.10*7mm锛25鈩冮摐绾胯浇娴侀噺鏄109A銆35骞虫柟鐨勫浣撶洿寰勬槸2.50*7mm锛50骞虫柟鐨勫浣撶洿寰勬槸1.78*19mm銆
绛旓細2.1脳7銆備笅闈㈢殑鍚勭瑙勬牸鐨勭數婧愮嚎绾胯姱鐩村緞澶у皬锛
绛旓細鐢电嚎妯埅闈㈢Н鐨勮閲忓崟浣嶆槸骞虫柟姣背锛坢m²锛夛紝鍏朵腑25骞虫柟鐢电嚎鎸囩殑鏄數绾跨殑妯鎴潰绉负25骞虫柟姣背銆傝繖绉嶇數绾块氬父鐢遍摐鑺瀯鎴愶紝鏍规嵁鍏惰姱鏁颁笉鍚岋紝妯埅闈㈢Н鐨勫叿浣撳昂瀵镐篃鏈夋墍鍖哄埆銆備簲涓姱鐨勫ぇ姒傛湁37.3mm绮楋紝鍥涗釜鑺殑澶ф鏈34.1mm绮楋紝涓変釜鑺殑澶ф鏈31.2mm绮楋紝鍙岃姱鐨鐩村緞澶ф鏈29.4mm绮楋紝鍗曡姱鐨...
绛旓細鈥滃钩鏂光濇槸鎸囩數绾跨殑妯鎴潰绉锛屽崟浣嶉氬父鏄骞虫柟姣背銆傞氳繃鍦嗛潰绉殑璁＄畻鍏紡锛屽彲浠ュ緱鍑25骞虫柟鐢电嚎鐨鐩村緞绾︿负1.785姣背銆傜數绾跨殑鎬ц兘鎸囨爣鍖呮嫭锛1. 澶栬鏍囧噯锛氱數绾垮簲鏈夎璇佹爣蹇椼佸埗閫犲晢淇℃伅銆佺嚎寰勭瓑鏍囪瘑锛屽湴绾夸娇鐢ㄩ粍缁胯壊缁濈紭灞傘2. 鏈烘寮哄害锛氱數绾垮簲鑳芥壙鍙椾竴瀹氱殑澶栧姏銆3. 鎶ゅ缁濈紭锛氭姢濂楃殑缁濈紭鐢甸樆搴斿ぇ浜100鍏...
绛旓細10mm鐨勯摐绾跨粍鎴愶紝鍥犳锛25骞虫柟鐢电紗鐨鐩村緞涓2.10*7=14.7mm銆傜數缂嗕富瑕侀噸閲忔槸閾滐紝鍐嶅姞涓婄粷缂樸佹姢濂椼侀噾灞炲睆钄/鎶ゅ銆佸～鍏呯瓑銆傚瀷鍙疯鏍肩粨鏋勪笉鍚岋紝閲嶉噺璁＄畻涔熶笉鍚屻傜紪缁囧睆钄芥槸鏈夌紪缁鎴潰绉鐨勶紝閾滅殑閲嶉噺涔犳儻鐨勪笉鐢ㄦ崲绠楃殑璁＄畻鏂规硶锛氭埅闈㈢Н*8.89=kg/km 锛屽25骞虫柟姣背璁＄畻锛25*8.89=222.25kg/km銆
绛旓細2. 瀵逛簬25骞虫柟鐨勫浣擄紝鍏剁洿寰勫ぇ绾︿负6.42姣背銆傝冭檻鍒扮粷缂樺眰鍜屾姢濂楃殑骞冲潎鍘氬害锛屽垎鍒负1.2姣背鍜2.0姣背銆3. 鏍规嵁鍥藉鏍囧噯锛孻JV3*25+2*16鐢电紗鐨勮繎浼煎寰勭害涓28姣背銆傝孻JV 4*50+1*25鐢电紗鐨勮繎浼煎寰勫垯绾︿负32姣背銆4. 涓鑺殑25骞虫柟鐢电紗绾块摐绾跨殑鐩村緞涓16.4姣背銆傚浜庨摐鑺鏂欑粷缂樼數鍔涚數缂嗭紝25...
绛旓細4骞虫柟姣背鐨勪负35瀹夊煿锛6骞虫柟姣背鐨勪负48瀹夊煿锛10骞虫柟姣背鐨勪负65瀹夊煿锛16骞虫柟姣背鐨勪负91瀹夊煿锛25骞虫柟姣背鐨勪负120瀹夊煿銆6. 閾濈嚎姣旇緝锛氬綋浣跨敤閾濈嚎鏃讹紝绾垮緞搴斿彇閾滅嚎鐩村緞鐨1.5鍒2鍊嶃傚浜庨摐绾匡紝鑻ョ數娴佸皬浜28瀹夊煿锛屽彲鎸夋瘡骞虫柟姣背10瀹夊煿鏉ラ夊彇锛涜嫢鐢垫祦澶т簬120瀹夊煿锛屽垯鎸夋瘡骞虫柟姣背5瀹夊煿鏉ラ夊彇銆
绛旓細鍏朵腑锛孉 鏄鐢电嚎鐨鎴潰绉锛宒 鏄摐绾跨殑鐩村緞锛宯 鏄摐绾跨殑鏁伴噺锛堝湪杩欎釜闂涓紝n=2锛屽洜涓烘槸涓よ姱鐢电嚎锛夈傝繖涓叕寮忓憡璇夋垜浠庢牱浠庣數绾跨殑鎴潰绉拰閾滅嚎鐨勬暟閲忔潵鎺ㄧ畻閾滅嚎鐨勭洿寰勩傚皢A=25鍜宯=2浠ｅ叆涓婂紡锛屽嵆鍙眰鍑虹瓟妗堛傝绠楃粨鏋滀负锛氶摐绾跨殑鐩村緞鏄 3.99 姣背銆傛墍浠ワ紝涓よ姱25骞虫柟鐨勭數绾块噷闈㈢殑閾滅嚎鐩村緞澶ф鏄 3...
