200千瓦(动力)100米长度 用多大的铜芯电缆? 200千瓦的负荷用多大的电缆？
200kw\u53d8\u9891\u7535\u673a100\u7c73\u957f\u5ea6\u7528\u591a\u5927\u7535\u7f06\u4ee5\u4e09\u76f8380V\u7535\u673a\u4e3a\u4f8b\uff0c\u5176\u989d\u5b9a\u7535\u6d41\u7ea6350A\uff0c\u53ef\u7528\u4e24\u676195\u5e73\u65b9\u7684\u94dc\u7535\u7f06\u5e76\u8054\u3002100\u7c73\u662f\u6b63\u5e38\u4f9b\u7535\u8ddd\u79bb\u3002
100\u5343\u74e6\u7684\u8d1f\u8377\u5e94\u8be5\u752895\u5e73\u65b9\u7684\u4e3b\u7535\u7f06\u3002
\u5bf9\u4e8e\u4e09\u76f8\u5e73\u8861\u7535\u8def\u800c\u8a00\uff0c\u4e09\u76f8\u7535\u8def\u529f\u7387\u7684\u8ba1\u7b97\u516c\u5f0f\u662f\uff1ap=1.732iucos\u03c6\u3002
\u7531\u4e09\u76f8\u7535\u8def\u529f\u7387\u516c\u5f0f\u53ef\u63a8\u51fa\u7ebf\u7535\u6d41\u516c\u5f0f\uff1ai=p/1.732ucos\u03c6
\u5f0f\u4e2d\uff1a
p\u4e3a\u7535\u8def\u529f\u7387
u\u4e3a\u7ebf\u7535\u538b\uff0c\u4e09\u76f8\u662f380v
cos\u03c6\u662f\u611f\u6027\u8d1f\u8f7d\u529f\u7387\u56e0\u7d20\uff0c\u4e00\u822c\u7efc\u5408\u53d60.8
100kw\u8d1f\u8f7d\u7684\u7ebf\u7535\u6d41\uff1a
i=p/1.732ucos\u03c6=100000/1.732*380*0.8=100000/526.53=190a
\u8fd8\u8981\u6839\u636e\u8d1f\u8f7d\u7684\u6027\u8d28\u548c\u6570\u91cf\u4fee\u6b63\u7535\u6d41\u503c\u3002
\u5982\u679c\u8d1f\u8f7d\u4e2d\u5927\u7535\u673a\u673a\u591a\uff0c\u7531\u4e8e\u7535\u673a\u7684\u542f\u52a8\u7535\u6d41\u5f88\u5927\uff0c\u662f\u5de5\u4f5c\u7535\u6d41\u76844\u52307\u500d\uff0c\u6240\u4ee5\u8fd8\u8981\u8003\u8651\u7535\u673a\u7684\u542f\u52a8\u7535\u6d41\uff0c\u4f46\u542f\u52a8\u7535\u6d41\u7684\u65f6\u95f4\u4e0d\u662f\u5f88\u957f\uff0c\u4e00\u822c\u5728\u9009\u62e9\u5bfc\u7ebf\u65f6\u53ea\u63091.3\u52301.7\u7684\u7cfb\u6570\u8003\u8651\u3002\u8fd9\u53d61.5\uff0c\u90a3\u4e48\u7535\u6d41\u5c31\u662f285a\u3002\u5982\u679c60kw\u8d1f\u8f7d\u4e2d\u6570\u91cf\u591a\uff0c\u5927\u5bb6\u4e0d\u662f\u540c\u65f6\u4f7f\u7528\uff0c\u53ef\u4ee5\u53d6\u4f7f\u7528\u7cfb\u6570\u4e3a0.5\u52300.8\uff0c\u8fd9\u91cc\u53d60.8\uff0c\u7535\u6d41\u5c31\u4e3a228a\u3002\u5c31\u53ef\u4ee5\u6309\u8fd9\u4e2a\u7535\u6d41\u9009\u62e9\u5bfc\u7ebf\u3001\u7a7a\u5f00\u3001\u63a5\u89e6\u5668\u3001\u70ed\u7ee7\u7535\u5668\u7b49\u8bbe\u5907\u3002\u6240\u4ee5\u8ba1\u7b97\u7535\u6d41\u7684\u6b65\u9aa4\u662f\u4e0d\u80fd\u7701\u7565\u3002
电流大约400A,距离较近,用120平方毫米铜线可长期运行,或铝线150平的
100平方毫米
绛旓細閫夌敤150骞虫柟閾滆姱鐢电紗锛岀┖姘斾腑鏁疯杞芥祦370A锛屽湴鍩嬭浇娴375A銆 绾垮緞閫夊皬浜嗭紝绾垮緞杈冪矖锛屾暎鐑笉濂姐
绛旓細120骞虫柟
绛旓細鏍规嵁鎮ㄦ彁渚涚殑淇℃伅锛屾偍闇瑕佷负涓涓200鍗冪摝锛KW锛夌殑380浼忕壒锛圴锛夎澶囨彁渚100绫鐨勭數绾垮拰寮鍏炽傚湪閫夋嫨鐢电嚎鍜屽紑鍏虫椂锛岄渶瑕佽冭檻浠ヤ笅鍥犵礌锛1. 鐢电嚎灏哄锛氱數绾跨殑灏哄搴旇冻澶熷ぇ锛屼互渚挎壙杞借澶囩殑鍔熺巼銆傛牴鎹竴鑸殑鐢电嚎瀹归噺琛紝200鍗冪摝鐨勮礋杞藉彲鑳介渶瑕佷娇鐢ㄨ嚦灏70骞虫柟姣背锛坢m²锛夌殑鐢电嚎鎴潰绉傜劧鑰岋紝杩欎篃鍙栧喅浜庡叿浣...
绛旓細闇瑕佺煡閬撶數婧愮殑鐢靛帇绛夌骇锛屽鏋滄槸380V鐨勭郴缁燂紝200KW鍔熺巼鐢垫祦鍦360A浠ヤ笂锛岃窛绂绘湁100绫鐨勮瘽锛屾渶灏戦渶瑕佷娇鐢2鏍3*95+1*70鐨勯摐鑺數缂嗗悓鏃舵暦璁炬瘮杈冨彲闈狅紝鑷充簬鎹熻楄鐪嬩綘杩愯鐢垫祦鐨勫ぇ灏忓拰浣跨敤鐢电紗鐨勭矖缁嗭紝褰撶劧鐢电紗绾︾矖鎹熷潖瓒婁綆銆
绛旓細椤185mm²鐨勯摐缂嗭紱鑰冭檻4.5鍊嶇殑鍚姩鐢垫祦锛屽垯椤240mm²鐨勯摐缂嗐傞渶瑕佺煡閬撶數婧愮殑鐢靛帇绛夌骇锛屽鏋滄槸380V鐨勭郴缁燂紝200KW鍔熺巼鐢垫祦鍦360A浠ヤ笂锛岃窛绂绘湁100绫鐨勮瘽锛屾渶灏戦渶瑕佷娇鐢2鏍3*95+1*70鐨勯摐鑺數缂嗗悓鏃舵暦璁炬瘮杈冨彲闈狅紝鑷充簬鎹熻楄鐪嬩綘杩愯鐢垫祦鐨勫ぇ灏忓拰浣跨敤鐢电紗鐨勭矖缁嗭紝褰撶劧鐢电紗绾︾矖鎹熷潖瓒婁綆銆
绛旓細240骞虫柟閾濈嚎銆200KW鐢垫祦澶х害400A 锛240閾濈嚎杞芥祦閲忓ぇ绾︽槸480A 宸﹀彸銆
绛旓細鐢甸樆鐜 2.85 脳 10-8 娆у路绫筹紝绾垮緞185锛闀垮害100m锛屽姛鐜200kW锛涘垯鐢垫祦300A宸﹀彸锛岀數闃0.0154娆у锛3*I2R=3.885kW锛岃繖鏄笁鐩歌礋鑽峰钩琛＄殑鎯呭喌涓嬬殑鎹熻楋紝涓夌浉涓嶅钩琛＄殑璇濆啀鍔犱笂闆剁嚎鐨勬崯鑰椼
绛旓細瑕侀棶100kw锛200kw锛500kw锛1000kw鐨勫彂鐢垫満灏哄銆佸弬鏁般佸拰浠蜂綅锛岃繖瑕佸叿浣撶湅鏈虹粍鐨勫搧鐗屼簡锛屼笉鍚屽搧鐗岀殑鍙戠數鏈哄昂瀵搞佸弬鏁般佸拰浠蜂綅涓嶅悓銆100kw娼嶆煷鍙戠數鏈虹粍灏哄锛坢m L脳W脳H锛夛細2400脳700脳1490 110KW 鍙戠數鏈虹粍灏哄锛2280脳855脳1300锛堥暱瀹介珮锛夋绫 200KW 鍙戠數鏈虹粍灏哄锛3000脳1060脳1900 锛堥暱瀹介珮锛...
绛旓細500KW 鍙戠數鏈虹粍灏哄锛3600脳1500脳2100锛堥暱瀹介珮锛夋绫 1000KW鍙戠數鏈虹粍灏哄锛5200脳1830脳2400锛堥暱瀹介珮锛夋绫 涓銆佸浗浜т笌杩涘彛鏌存补鍙戠數鏈轰环鏍煎弬鑰冿細涓鍙板浗浜ф煷娌瑰彂鐢垫満鐨勯浂鍞弬鑰冧环鏍煎涓嬶細30鍗冪摝1.5-1.6涓囧厓銆100鍗冪摝6涓囧厓宸﹀彸銆200鍗冪摝15涓囧厓宸﹀彸銆500鍗冪摝45涓囧厓宸﹀彸銆傝繘鍙ｇ殑鍒欐槸鍥戒骇浠锋牸鐨1.5-4鍊嶃
绛旓細涓夌浉锛欼=200KW/(1.732*380*0.8)=380A锛岃繖鏄200鍗冪摝鎰熸ц礋杞界殑棰濆畾鐢垫祦銆3*70鏄笁鐩哥數婧愮嚎缂嗭紝100A浠ヤ笂鐨勮礋杞藉彇1骞虫柟姣背閫氳繃2.5A鐨勭數娴侊紝鍒70骞虫柟姣背鐨勯摐鐢电紗璐熻浇鑳藉姏锛2.5*70=175A銆傚鏋200KW鐨勮澶囷紝3*70+1*35鐨勯摐鐢电紗杩滆繙涓嶈兘婊¤冻瑕佹眰銆
