三相电机的功率计算公式 三相电动机功率计算方法
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三相异步电动机功率： P= 线电压*线电流*1.732*功率因数
三相电感性电器的功率计算是：P=√3×I×U×Cosφ×η
三相电感性电器的电流计算是：I = P/√3×U×Cosφ×η
I = 电流
P=功率
U=电压
Cosφ=功率因数
η=效率，效率是根据制造材料和制造工艺所决定的。
P=U×I×1.732×cosφ
绛旓細鐢垫満鍔熺巼璁＄畻鍏紡锛(鏅氱殑涓夌浉鐢垫満鍔熺巼璁＄畻)P1=1.732*U*I*cos蠁锛屽叾涓璓1锛圵锛変负涓夌浉鐢垫満鍔熺巼锛孶锛圴锛変负绾跨數鍘嬶紝I锛圓锛変负绾跨數娴侊紝cos蠁鍔熺巼鍥犳暟甯稿彇0.8銆傜數鏈哄鏋滃湪杩愯涓尟鍔ㄥ紓甯革紝寰堝彲鑳芥槸澶氱鍥犵礌閫犳垚鐨勶紝澶ч儴鍒嗘儏鍐典笅閮芥槸鍥犱负杞瓙鍔ㄥ钩琛℃у樊锛岃酱鎵挎湁纾ㄦ崯銆佸嚭鐜板紓甯稿０闊筹紝杞酱鍙戠敓鍙樺寲锛岀揣鍥轰欢...
绛旓細涓夌浉鐢靛姩鏈虹殑鍔熺巼璁＄畻鍏紡锛 P=1.732*U*I*cos桅 渚:涓涓笁鐩哥數鏈虹殑鍔熺巼鏄1500鐡︼紝鎬庢牱璁＄畻瀵肩嚎鐨勬渶澶х數娴侊紵 璇ラ棶棰樹粠浠ヤ笅鍑犵偣鏉ュ垎鏋愮悊瑙:(1)鐢垫満鐨勫姛鐜囨槸1500鐡︼紝瀹冩寚鐢靛姩鏈虹敱鐢佃兘杞崲鎴愭満姊拌兘鐨勬満姊拌兘杈撳嚭鍔熺巼涓1.5kW.(2)杩欓噷鐢靛姩鏈虹殑鐢佃兘杞崲鎴愭満姊拌兘鏈変竴涓晥鐜(鍙數鏈烘晥鐜囄),鏁呯數鍔ㄦ満鐨...
绛旓細涓夌浉寮傛鐢靛姩鏈哄姛鐜锛 P=U脳I脳1.732脳cos蠁 涓夌浉寮傛鐢靛姩鏈哄姛鐜囷細 P= 绾跨數鍘*绾跨數娴*1.732*鍔熺巼鍥犳暟
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绛旓細鐢垫満鏁堢巼璁＄畻鍏紡涓何=(P2/P1)/100%銆鐢垫満鍔熺巼璁＄畻鍏紡鍙互鍙傝冧笅寮忥細P= F脳v梅60梅畏锛屽叕寮忎腑P鍔熺巼 (kW) 锛孎鐗靛紩鍔 (kN)锛寁 閫熷害 (m/min) ,畏浼犲姩鏈烘鐨勬晥鐜囷紝涓鑸0.8宸﹀彸銆傚湪鍖閫熻繍琛屾椂鐗靛紩鍔 F 绛変簬灏忚溅鍦ㄨ建閬撲笂杩愬姩鏃剁殑鎽╂摝鍔涳紝F=渭G , 渭鏄懇鎿︾郴鏁帮紝涓庤疆瀛愬拰瀵艰建鐨勭姸鎬佹湁鍏筹紱G...
绛旓細1. 涓夌浉鐢垫満鍔熺巼璁＄畻鍏紡濡備笅锛- 鏈夊姛鍔熺巼锛歅 = 鈭3 脳 绾跨數鍘 U 脳 绾跨數娴 I 脳 鍔熺巼鍥犳暟 cos蠁 - 瑙嗗湪鍔熺巼锛歋 = 鈭3 脳 绾跨數鍘 U 脳 绾跨數娴 I - 鏃犲姛鍔熺巼锛歈 = 鈭3 脳 绾跨數鍘 U 脳 绾跨數娴 I 脳 sin蠁 - 鍔熺巼鍥犳暟锛歝os蠁 = P / S 2. 璁＄畻涓夌浉鐢垫満鍔熺巼鏃讹紝闇瑕佽冭檻鐨...
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绛旓細瑕璁＄畻鐢垫満鎵闇鐨勫姛鐜锛岄渶瑕佽冭檻鏃嬭浆鐨勫姏鐭╁拰杞燂紝鍙互浣跨敤浠ヤ笅鍏紡锛氬姛鐜 = 鍔涚煩 脳 瑙掗熷害 鍏朵腑锛屽姏鐭╁拰瑙掗熷害鍒嗗埆鏄棆杞墿浣撶殑涓や釜閲嶈鍙傛暟锛屽姏鐭╂槸浜х敓鏃嬭浆杩愬姩鐨勫姏锛岃閫熷害鏄棆杞墿浣撶殑姣忕鏃嬭浆瑙掑害鏁般傚亣璁炬棆杞墿浣撶殑鍗婂緞涓簉锛屽畠闇瑕佽甯﹀姩鐨勯噸閲忎负F锛岄偅涔堟棆杞殑鍔涚煩鍙互琛ㄧず涓猴細鍔涚煩 = r 脳 F...
绛旓細1.涓夌浉鐢垫満璁＄畻鏂规硶銆傜數娴380v涓夌浉鐢靛姩鏈锛屽姛鐜囧洜鏁颁竴鑸负0.8宸﹀彸锛屽畠鐨勯瀹氱數娴佺害涓洪瀹氬閲忕殑2鍊嶏紝褰鐢靛姩鏈虹殑鍔熺巼鍦2kw浠ヤ笅鏃讹紝鍙寜2.5鍊嶈冭檻銆傚浜220v涓夌浉鐢靛姩鏈猴紝瀹冪殑棰濆畾鐢垫祦绾︿负棰濆畾瀹归噺鐨3.5鍊嶏紝褰撶數鍔ㄦ満鐨勫姛鐜囧湪2kw浠ヤ笅鏃讹紝鍙寜4鍊嶈冭檻銆傚叿浣璁＄畻鍏紡涓篿=kp銆傚紡涓璱---涓夌浉鐨勯瀹氱數娴侊紙...
绛旓細璁＄畻鍏紡锛歅=1.732*U*I*COS桅 P锛鍔熺巼 U锛氱數鍘 I锛氱數娴 桅锛氱浉浣嶅樊 涓夌浉鐢垫満锛氭寚褰鐢垫満鐨涓夌浉瀹氬瓙缁曠粍锛堝悇鐩稿樊120搴︾數瑙掑害锛夛紝閫氬叆涓夌浉浜ゆ祦鐢靛悗锛屽皢浜х敓涓涓棆杞鍦猴紝璇ユ棆杞鍦哄垏鍓茶浆瀛愮粫缁勶紝浠庤屽湪杞瓙缁曠粍涓骇鐢熸劅搴旂數娴侊紙杞瓙缁曠粍鏄棴鍚堥氳矾锛夌數鏈猴細Electric machinery锛屼織绉扳滈┈杈锯濄傛槸鎸囦緷鎹...
