300铝芯电缆能载多少干瓦负荷 300的铝电缆能带多大负荷
300\u5e73\u65b9\u7684\u94dd\u82af\u7535\u7f06\u80fd\u5e26\u591a\u5927\u529f\u7387\u5462300\u5e73\u65b9\u7684\u94dd\u7ebf\u80fd\u5e26289.5\u5343\u74e6\u3002
\u7531\u4e09\u76f8\u7535\u673a\u516c\u5f0f\u5f97\uff1aP=1.732UIcos\u03a6
\u6240\u4ee5\u529f\u7387P=1.732*0.38*0.8*550=289.5\u5343\u74e6\uff0ccos\u03a6\u4e3a0.8\u3002\u7535\u538b\u4e3a380V\u3002
300\u5e73\u65b9\u7684\u94dd\u7ebf\u627f\u8f7d\u7535\u6d41\u4e3a550A\u3002
\u4f8b\u5982\uff1a
\u7535\u963bR=0.0315*1000\uff0f300=0.105\u6b27
\u5c06\u7a7a\u8f7d\u7535\u538b420v\uff0c\u7535\u6d41\u63091.9A/1kw\u4f30\u7b97
\u542f\u52a8du\u7535\u538b\u964d20%=84v
\u8fd0\u884c\u7535\u538b\u964d10%=42v
\u6839\u636e\u6b27\u59c6\u5b9a\u5f8b84\uff0f0.1.5=800A\uff08\u542f\u52a84\u500d\uff09
800\uff0f4\uff0f1.9=105kw
42\uff0f0.1.5=400A/1.9=210.5kw
\u6839\u636e\u8ba1\u7b97\u5982\u9898\u80fd\u5e26210kw-250kw\u8d1f\u8377
\u6700\u5927\u7535\u52a8\u673a\u5b9c\u5728100kw\u5185\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u201c\u4e8c\u70b9\u4e94\u4e0b\u4e58\u4ee5\u4e5d\uff0c\u5f80\u4e0a\u51cf\u4e00\u987a\u53f7\u8d70\u201d\u8bf4\u7684\u662f2.5mm\u2019\u53ca\u4ee5\u4e0b\u7684\u5404\u79cd\u622a\u9762\u94dd\u82af\u7edd\u7f18\u7ebf\uff0c\u5176\u8f7d\u6d41\u91cf\u7ea6\u4e3a\u622a\u9762\u79ef\u6570\u76849\u500d\u3002\u59822.5mm\u2019\u5bfc\u7ebf\uff0c\u8f7d\u6d41\u91cf\u4e3a 2\uff0e5\u00d79=22.5(A)\u3002\u4ece4mm\u2019\u53ca\u4ee5\u4e0a\u5bfc\u7ebf\u7684\u8f7d\u6d41\u91cf\u548c\u622a\u9762\u79ef\u6570\u7684\u500d\u6570\u5173\u7cfb\u662f\u987a\u7740\u7ebf\u53f7\u5f80\u4e0a\u6392\uff0c\u500d\u6570\u9010\u6b21\u51cfl\uff0c\u53734\u00d78\u30016\u00d77\u300110\u00d76\u300116\u00d75\u3001 25\u00d74\u3002
\u201c\u4e09\u5341\u4e94\u4e58\u4e09\u70b9\u4e94\uff0c\u53cc\u53cc\u6210\u7ec4\u51cf\u70b9\u4e94\u201d\uff0c\u8bf4\u7684\u662f35mm\u201d\u7684\u5bfc\u7ebf\u8f7d\u6d41\u91cf\u4e3a\u622a\u9762\u79ef\u6570\u76843.5\u500d\uff0c\u537335\u00d73.5=122\uff0e5(A)\u3002\u4ece50mm\u2019\u53ca\u4ee5\u4e0a\u7684\u5bfc\u7ebf\uff0c\u5176\u8f7d\u6d41\u91cf\u4e0e\u622a\u9762\u79ef\u6570\u4e4b\u95f4\u7684\u500d\u6570\u5173\u7cfb\u53d8\u4e3a\u4e24\u4e2a\u4e24\u4e2a\u7ebf\u53f7\u6210\u4e00\u7ec4\uff0c\u500d\u6570\u4f9d\u6b21\u51cf0\uff0e5\u3002\u537350\u300170mm\u2019\u5bfc\u7ebf\u7684\u8f7d\u6d41\u91cf\u4e3a\u622a\u9762\u79ef\u6570\u76843\u500d\uff1b95\u3001120mm\u201d\u5bfc\u7ebf\u8f7d\u6d41\u91cf\u662f\u5176\u622a\u9762\u79ef\u6570\u76842.5\u500d\uff0c\u4f9d\u6b21\u7c7b\u63a8\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-\u7535\u7f06\u8f7d\u6d41\u91cf
300\u94dd\u82af\u7535\u7f06X500\u7c73\u80fd\u5e26\u591a\u5927\u8d1f\u8377
300铝芯电缆能载250——300干瓦负荷.
绛旓細147鍗冪摝銆傛牴鎹煡璇㈤綈瀹跺彲寰楋紝300骞虫柟閾濊姱鐢电紗鑳藉甫147鍗冪摝锛岃繖鏍峰睘浜庢甯歌寖鍥村唴銆傞摑鑺數缂嗗氨鏄敤閾濇潗璐ㄥ埗閫犵殑閾濆浣撶數缂嗭紝鎸囬摐鍖閾濈數缂锛屾槸鎸囦互閾濊姱绾夸唬鏇块摐鎴愪负鐢电紗涓讳綋銆
绛旓細300骞虫柟鐨勯摑绾胯兘甯289.5鍗冪摝銆傜敱涓夌浉鐢垫満鍏紡寰楋細P=1.732UIcos桅 鎵浠ュ姛鐜嘝=1.732*0.38*0.8*550=289.5鍗冪摝锛宑os桅涓0.8銆傜數鍘嬩负380V銆傛煡鐢电紗鎵嬪唽YJV鐭ワ紝300骞虫柟鐨閾濈嚎鎵胯浇鐢垫祦涓550A銆
绛旓細300骞虫柟涓鑺摑鐢电紗锛堜互甯歌鐨刅V鍨嬬數缂嗕负渚嬶級锛300绫抽暱锛岃繍琛屽湪380V绯荤粺涓彲杈撻316KW鐨鍔熺巼銆傝绠楄繃绋嬶細1銆佹煡闃呯數缂嗙殑瀹夊叏杞芥祦閲 3x300mm²閾濊姱鐢电紗杞娴侀噺绾︿负600A銆2銆佹煡闃呯數缂嗙殑鐩存祦鐢甸樆 300mm²閾濆浣撶殑鍗曚綅闀垮害鐩存祦鐢甸樆鏄0.106娆/km銆3銆佽绠楃煭鐢电紗鐨勫彲杈撻佸姛鐜 鈭3x380Vx600Ax0....
绛旓細2. 閾濊姱鐢电紗鐨勮鏍煎拰鍔熺巼 閾濊姱鐢电紗鐨勮鏍煎彲浠ユ牴鎹紶杈撶數鍔涚殑闇姹傝繘琛岄夋嫨銆傞氬父锛屼竴鏍规埅闈㈤潰绉负300骞虫柟鐨閾濊姱鐢电紗鍙互杈撻佸嚑鐧鍗冪摝鐨勭數鍔涳紝鍏跺叿浣撹緭閫佸姛鐜囦笌绾跨紗闀垮害銆佽緭閫佽窛绂汇佺嚎缂嗚繛鎺ユ柟寮忕瓑鍥犵礌鏈夊叧銆3. 閾濊姱鐢电紗鐨勪紭鐐瑰拰缂虹偣 閾濊姱鐢电紗鐩歌緝浜庨摐鑺數缂嗘潵璇达紝浼樼偣涓昏鏈変笁鐐广傜涓锛岄摑鑺數缂嗙殑浠锋牸...
绛旓細300閾濊姱鐢电紗鑳借浇250鈥斺300骞鐡﹁礋鑽.
绛旓細300骞虫柟閾濈嚎锛岀粡娴庤浇娴佸瘑搴﹀ぇ绾︽槸1A/m2 锛屾墍浠ワ紝鏈夋晥缁忔祹杞芥祦澶х害300A銆傝繖鏍凤紝浣犵殑鐢电紗鍙互甯︾殑璐熻嵎瀹归噺澶х害鏄疭=V3x380x300=197.5kVA锛屾垨鑰呰锛屽ぇ绾200鍗冧紡瀹夈傚彲浠ラ夐厤棰濆畾鐢垫祦630A鐨勬爣鍑嗗紑鍏炽
绛旓細鐢甸樆R=0.0315*1000锛300=0.105娆 灏嗙┖杞界數鍘420v锛岀數娴佹寜1.9A/1kw浼扮畻 鍚姩鐢靛帇闄20%=84v 杩愯鐢靛帇闄10%=42v 鏍规嵁娆у瀹氬緥84锛0.1.5=800A锛堝惎鍔4鍊嶏級800锛4锛1.9=105kw 42锛0.1.5=400A/1.9=210.5kw 鏍规嵁璁＄畻濡傞鑳藉甫210kw-250kw璐熻嵎锛屾渶澶х數鍔ㄦ満瀹滃湪100kw鍐呫
绛旓細3x300骞虫柟閾濊姱鐢电紗250绫崇嚎璺濊礋杞戒笉瓒呰繃150鍗冪摝涓哄ソ銆
绛旓細4x300+1x150鐨勯摑鑺數缂嗗彲鎵垮彈澶氬ぇ璐熻嵎 鏄3x300+1x150?鍥涜姱鐢电紗鎸500A绠,濡傛灉鏄崟鑺數缂嗗垯鎸600A绠 1K銆俉鎸2A绠,浣犺繖鏉＄嚎鍙互甯250-300KW 绗2濂楁柟妗堚300鎴潰绉殑閾濊姱鐢电紗鎵胯浇鐢垫祦260-360A锛屼篃灏辨槸澶х害130KW-180KW
绛旓細鍗曠嚎鐩存祦鐢甸樆绾0.077娆у锛屾寜鏈澶у厑璁7%璁＄畻锛屾渶澶у彲杞芥祦=15.4/0.077=200瀹夛紝濡傛槸鍔ㄥ姏璐熻嵎灞呭锛屽垯鍙甫鍔熺巼=1.732脳380脳200脳0.85=112鍗冪摝銆
