4X120电缆预什总功率200千瓦全部220v用电需配多大空开？

120\u4e2a\u5343\u74e6\u914d\u591a\u5927\u7684\u7a7a\u5f00\u597d

\u4e00\u822c\u9009\u62e9600A\u4ee5\u4e0a\u7684\u7a7a\u5f00\u5c31\u53ef\u4ee5\u4e86\uff0c\u4f46\u662f\u4e0d\u80fd\u5f53\u505a\u4e3b\u63a7\u5f00\u5173\uff0c\u4e3b\u63a7\u9700\u89811000A\u4ee5\u4e0a\uff0c\u5e76\u4e14\u8fd8\u9700\u8981\u5177\u5907\u901f\u65ad\u548c\uff08\u6216\uff09\u8fc7\u6d41\u529f\u80fd\u3002
\u6c5f\u82cfXXX\u4f9b\u7535\u516c\u53f8\u9a6c\u5fb7\u660e

\u4f60\u662f\u8bf4\uff1a\u4e09\u76f8 \u4f9b\u7535\uff0c\u8d1f\u8f7d\u5355\u76f8\u4f7f\u7528\uff0c\u5171120kw 220V \u611f\u6027\u8d1f\u8f7d\u6838\u7b97 \u989d\u5b9a\u7535\u6d41 960A
\u5206\u914d\u5230 \u4e09 \u706b\u7ebf\uff0c320A\uff0c\u8003\u8651\u4e0d\u5e73\u8861\u6027\u3001\u542f\u52a8\u56e0\u7d20\uff0c\u914d 500A\u65ad\u8def\u5668

400A空开

4X120鐢电紗棰勪粈鎬诲姛鐜200鍗冪摝鍏ㄩ儴220v鐢ㄧ數闇閰嶅澶х┖寮?
绛旓細400A绌哄紑

4脳120閾鐢电紗鏈澶у彲浠ュ甫澶氬皯鍗冪摝
绛旓細4脳120骞虫柟鍥芥爣缁勫悎鐢电紗瀹夊叏杞芥祦閲忎负325~350A锛屾寜鏈楂350A鐢靛帇380V锛鍔熺巼鍥犳暟0.8鏃惰绠楋紝鍔熺巼=350脳1.732脳0.38脳0.8鈮184KW銆傛墍浠ヤ綘鏈嬪弸鏄鐨勶紝鑰岀涓涓姠绛旂殑鎵璋撶儹蹇冪綉鍙嬬殑鍥炵瓟鏄笉璐熻矗浠荤殑銆

4X120閾滆姱鐢电紗鍙互甯﹀澶鍔熺巼
绛旓細棣栧厛浣犲鐢电紗鐨勬蹇典笉娓呮锛孊V鏄數绾匡紒120鐢电紗鏌ユ墜鍐屽簲璇ョ殑杞芥祦閲忓湪310宸﹀彸锛鍔熺巼鎸変綘鐨勬兂娉曞簲璇ュ湪183kw銆傚缓璁綘涓嶈鑰冭檻閭ｇ绠鍗曠殑浼扮畻锛屾湁鏃朵細璇樊寰堝ぇ鐨勩傜敤浣犱笂杈圭殑鍏紡绠椾範鎯氨濂戒簡銆備笁鐩歌礋杞界殑鐢垫祦鐩哥數娴佺瓑浜庣嚎鐢垫祦锛屼竴涓钩琛＄殑绾胯矾涓夌浉鐨勭數娴佹槸鐩哥瓑鐨勶紝鐢电紗鐨勮绠椾笉鏄兘鎸夊崟鑺绠楃殑锛岃屾槸鑰冭檻涓...

4脳120閾鐢电紗鏈澶у彲浠ュ甫澶氬皯鍗冪摝
绛旓細鎵浠鍔熺巼P=1.732*0.38*0.8*300=158鍗冪摝锛宑os桅涓0.8銆傜數鍘嬩负380V锛屾煡鐢电紗鎵嬪唽YJV鐭ワ紝4脳120閾滅數缂嗗畨鍏ㄨ浇娴佷负300A銆傚姛鐜囦负158鍗冪摝锛屽湪鐢垫祦杞芥祦閲忎负300A鐨勬甯歌寖鍥翠箣鍐呫

4*120閾滆姱鐢电紗鑳藉甫澶氬皯璐熻嵎?
绛旓細120骞虫柟鐨4鑺摐鑺數缂嗭紝鏍规嵁鐢电紗璐ㄩ噺杞芥祦閲忕害涓250-300A锛屾寜VV鍨嬬數缂嗚浇娴侀噺250A璁＄畻鐨勮瘽锛岄厤鐢佃礋鑽稰=250A*0.38*1.732=164.54KW銆傛墍浠ヤ笉瓒呰繃杩欎釜鍊肩殑璐熻嵎鍗冲彲銆鐢电嚎鐢电紗鏈澶ц礋鑽疯绠楁柟娉曪細鐩存祦鐢电紗绾寰勭敱绾胯矾鍘嬮檷鍐冲畾銆傚绾挎埅闈㈢Н璁＄畻鍏紡涓猴細S=(If * L)/(r* 螖V)If锛氬绾夸腑鏈澶х數娴(瀹)锛...

涓ゆ牴4✘120鐨勯摐鑺鐢电紗涓庝竴鏍4✘240鐨勯摐鑺數缂嗘壙杞借礋鑽锋槸鍚︿竴鏍...
绛旓細浠庝笂琛ㄥ彲鐭ワ紝4x120mm²鐢电紗鐨勮浇娴侀噺鏄254A锛屼袱鏍瑰苟鑱斾娇鐢ㄦ槸 254A x2=508A 鑰4x240mm²鐢电紗鐨勮浇娴侀噺鏄401A锛岀浉宸簡100A銆100A鎶樺悎鎴鍔熺巼锛氣垰3x380Vx100Ax0.8鈮52.7KW 鐢电紗鐨勪笉鍚岄夋嫨锛屽鑷存壙杞界殑鍔熺巼鐩稿樊50澶氬崈鐡︺傘愰氬父閫夋嫨2鏍规埅闈㈢Н杈冪粏鐢电紗骞惰仈瑕佷紭浜庨夋嫨涓鏍硅緝绮楃數缂嗐

鍔熺巼200鍗冪摝,380鐨勭數鍘,涓夌浉鍥涜姱鍚曠嚎瑕佺敤澶氬皯骞虫柟鐨勭嚎,绂诲彉鍘嬪櫒40绫冲乏...
绛旓細鍙敤4x120骞虫柟閾濈嚎銆

4x120鍗1x70閾滅數瑙堟渶澶ц礋鑽
绛旓細4x120鍗1x70閾滈摐鐢电紗鍙敤浜150KW鍔ㄥ姏渚涚數鎴栧甫鍔200kW绾數闃昏澶囷紙鐢电儹绛夛級銆

4*120閾鐢电紗180绫24灏忔椂璧6000搴︾數,鐢垫崯澶氬皯搴?
绛旓細1銆佽绠楃數娴 24灏忔椂鐨勫钩鍧鍔熺巼鏄 6000KWh梅24h=250KW 鏈夊姛鐢垫祦鏄 250KW/(鈭3x380Vx0.8)鈮475A 2銆佹眰475A鍦180绫抽暱鐨4x120mm²鐢电紗涓婁釜鐨勫帇闄 缁忔煡锛120mm²閾濊姱鐢电紗鐨勫崟浣嶉暱搴︾洿娴佺數闃绘槸0.253娆/鍗冪背銆傚帇闄= (0.253娆/鍗冪背 x 0.18鍗冪背)x475A鈮21.6V 3銆佹眰鐢垫崯 21.6V x...

鐢电紗4*120+1*70鑳芥彁渚涘灏鍔熺巼?
绛旓細7kW锛鐢电紗婊¤礋鑽锋椂7%鐢靛帇鎹熷け璺濈=681m锛120mm² PE濉戞枡缁濈紭 4鑺摐鐢电紗锛屾帹鑽愯浇娴侀噺=300A锛屾姌鍚堜笁鐩鍔熺巼=167.9kW锛岀數缂嗘弧璐熻嵎鏃7%鐢靛帇鎹熷け璺濈=578.9m锛120mm² PVC濉戞枡缁濈紭 4鑺摑鐢电紗锛屾帹鑽愯浇娴侀噺=191A锛屾姌鍚堜笁鐩稿姛鐜=106.9kW锛岀數缂嗘弧璐熻嵎鏃7%鐢靛帇鎹熷け璺濈=568.3m锛

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