低压电缆传输100米。电损耗多少? 低压铝电缆传输400米电损耗多少
绛旓細濡傛灉閾滅殑鐢甸樆鐜囨寜0.017 娆у*骞虫柟姣背/绫宠 2.5骞虫柟绾100绫鐢甸樆锛100*0.017 /2.5=0.68娆у 鍗曠浉鐢垫祦锛2000/220=9.1瀹 濡傛灉鍙敤2鑺紝鏉ュ洖鐢甸樆锛0.68*2=1.36娆у 鏉ュ洖鐢靛帇鎹熷け锛堟湯绔級锛1.36*9.1=12.38浼 濡傛灉鏄櫧鐐界伅锛屾湯绔姛鐜囧噺灏忕害11%锛屾劅瑙変笂浜害宸埆涓嶆槑鏄俱傚鏋滄槸鑺傝兘鐏紝鏈...
绛旓細鎹熻鏈5鍒8%銆傜數鏈烘棤娉曟甯稿伐浣滐紝鎵浠ュ疄闄呯殑鐢靛帇闄嶅拰鎹熻楁槸鏃犳硶棰勬祴鐨勩傚彧鑳藉疄娴嬨備笌瀵肩嚎鏉愯川銆佹埅闈侀暱搴︺佽礋杞界數娴佹湁鍏炽傞摐绾跨殑鐢甸樆鐜囦负0.0172锛岄摑绾跨殑鐢甸樆鐜囦负0.0283锛岀嚎鐢甸樆鍏紡涓篟=鐢甸樆鐜*L/S锛屽绾跨殑鍘嬮檷涓篣=RI锛屾崯鑰楀姛鐜囦负p=I*I*R銆
绛旓細518.4W銆傛牴鎹鐧剧背閾濈嚎鐢甸樆R锛澫(L/S)=0.029X100/185=0.016惟璁＄畻銆傞氳繃180A鐢垫祦鏃讹紝鎹熷け鐢甸噺P=I2R=1802X0.016=518.4W銆
绛旓細濡傛灉鏄笁鐩380浼忎氦娴佺數鐢佃矾锛岃绠楀涓嬶細R=0.0283*100*1.7/70 P=I^2*R*1.732 姝ゅ鐢垫祦澶у皬鏄叧閿洜绱狅紝鐢变簬娌℃湁缁欏嚭鐢垫祦澶у皬锛屾墍浠ュ彧鑳戒互鏋剁┖绾緽V缁濈紭绾挎渶澶х數娴佽繘琛岃绠椼傜數娴佸彇210a銆侾=210*210*1.732*0.0283*100*1.7/70=5249W 瀹為檯鎯呭喌涓嬩竴鑸細浣庝簬杩欎釜鍊硷紝鍥犱负杩欐槸鏈澶у笺
绛旓細閾0.0315*100/185=0.017*3*400*400=8173/1000=8.17kw 閾0.0188*100/185=0.0102*3*400*400=4878/1000=4.88kw 鐢变簬鐢电紗涓旀槸娣卞煁褰卞搷鏁ｇ儹绛夊師鍥狅紝鎹熻搴斿ぇ浜庤绠楀硷紝浣嗚兘婊¤冻缁熻瑕佹眰銆
绛旓細鍗曠嚎鐢甸樆R=0.048娆у銆傚崟绾块檷鍘=IR=100A脳0.048娆у=4.8V銆傚崟鐩稿姛鑰=UU/R=锛4.8脳4.8锛/0.048=480VA銆傝鍔熺巼鍥犳暟涓0.85锛屽垯鍗曠浉鏈夊姛鍔熻椾负480VA脳0.85=408w銆備笁鐩稿姛鑰楀垯涓408w脳3=1224w銆1澶╃嚎鎹熺數搴︿负锛1224脳24/1000=29376wh=29.376kwh锛堝害锛夈
绛旓細瀵肩嚎涔熸槸鏈夌數闃荤殑锛屾牴鎹濮嗗畾寰婾=I*R锛屽绾垮繀鐒朵骇鐢熺數鍘嬮檷锛屽洜姝や細浜х敓涓瀹氱殑鐢靛帇鎹熻銆備妇渚嬭绠楋細220V浜ゆ祦鐢甸氫互10A鐢垫祦锛2.5骞虫柟閾濈嚎锛岃绠楄緭鐢100M鍚庣數鍘嬮檷锛岄摑绾垮父娓╀笅鐢甸樆R=0.0283*100*2/2.5=2.264锛岀數鍘嬮檷U=10*2.264=22.64V銆
绛旓細50鍗冪摝鐢垫満璐熻浇(婊¤浇)鐢垫祦绾100A闄勮繎锛屼互100绫涓夌浉閾滆姱鐢电紗涓轰緥銆傛瘡鏍圭數缂嗙殑绾块樆(鐢甸樆鐜囦负0.0172)锛歊锛澫伱桳/S锛0.0172脳100/120锛0.0143(惟)3鐩哥數缂嗙殑鎹熻鍔熺巼锛歅锛滻脳I脳(R脳3)锛100脳100脳(0.0143脳3)锛430(W)W=P脳T=0.43*12KWH=5.16KWH 鎵浠ユ寜姣忓ぉ12灏忔椂璁＄畻鐢垫崯绾︿负5.16...
绛旓細35骞虫柟閾濊姱鐢电紗100绫鏃ョ敤鐢50搴鎹熻澶氬皯10%銆35骞虫柟鐨勯摑鑺數缂100绫冲畠鐨勭嚎鎹熸槸10%銆傝绠楃嚎璺數闃伙細20鈩冿紝閾濈數闃荤巼锛0.0283惟路mm2锛弇銆傞摐0.0175惟路mm2锛弇锛屽崟鐩220V鐢佃矾绾胯矾鎬婚暱搴︿负2锛奓锛屼笁鐩告婚暱搴︿负1.7锛奓锛鐢电嚎鎴潰绉负S锛屽垯锛岀嚎璺數闃籖锛濈數闃荤巼锛婃婚暱搴︼紡S銆
绛旓細鐩稿搴旀潵璇村畠浼氬噺寮辩浉瀵瑰簲锛屼絾鏄100绫鐨勮繖涓數鍘嬪湪鍑忓帇鐨勬椂鍊欏憿锛岃繕涓嶆槸寰堝锛屽ぇ绾﹀簲璇ュ湪闆剁偣鍑犱紡宸﹀彸锛屽鏋滄槸鐩存祦鐢靛帇閭ｅ氨鐩稿樊寰堝浜嗭紝鐗瑰埆鏄矖鐢电紗锛岃繖涓椂鍊欏畠闅忕潃鐢电嚎鐨鎹熻鐜囦細瓒婃潵瓒婂鐨勶紝鎵浠ヨ繖涓椂鍊欑殑鐢靛帇鑲畾瑕侊紝闄嶄綆寰堝鐨勩傛墍浠ヤ腑鍥藉浜庣數鍔浼犺緭涓婇潰閮芥槸浣跨敤鐨10涓囦紡鐨勮秴楂樺帇浼犺緭銆
