知道电源频率f=50HZ和额定转差率Sn=0.02怎么求四极三相异步电动机的同步转速和额定转速 一台12极的三相异步电动机，额定频率为50Hz,若额定差率s...
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n\uff1d60f/P\uff1d60\u00d750/2\uff1d1500(\u8f6c)
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n1\uff1dn\uff0dn\u00d70.06\uff1d1500\uff0d1500\u00d70.06\uff1d1410(\u8f6c)
470R/MIN
同步转速n0=60f/p,p=2.故no=1500r/min；nN=（1-Sn)n0=1470r/min。三相异步电动机的转速、同步转速及转差率之间的关系。很简单。四极电机同步转速60X频率/极对数=1500 额定转速 =1500-1500X0.02=1470.
绛旓細鍚屾杞熶负锛歂=60f/p=60*50/3=1000RPM 杞樊涓0.02,鍒,n=锛1-SN锛*N=0.98*1000=980 RPM
绛旓細棰濆畾杞煩Mn=9550*3/1430=20N.m 锛堝叕寮 Mn=9550*P/N锛夎繃杞界郴鏁拔籱=40/20=2 (鍗 鏈澶ц浆鐭╅櫎浠ラ瀹氳浆鐭)鍗宠繃杞借兘鍔涗负 2 鍙傝冭祫鏂欙細http://3dportal.cn/discuz/redirect.php?fid=122&tid=258401&goto=nextoldset
绛旓細鐢垫満鍚屾杞=60*鐢垫簮棰戠巼/纾佹瀬鏋佸鏁般傜敤鍏紡琛ㄧず涓簄=60f/p锛屽叾涓璮鏄數婧愰鐜囷紝p鏄鏋佹瀬瀵规暟 ,n鏄數鏈哄悓姝ヨ浆閫熴傚湪鎴戝浗锛屼笁鐩镐氦娴佺數鐨勯鐜囨槸50锛2鏋佺殑鐢垫満鍗充负鍐呴儴鏈変竴瀵圭鏋侊紝姣忓垎閽熺殑纾佸満鏃嬭浆鐨勮浆閫熶负3000锛屽悓姝ヨ浆閫熶负3000锛屼竴鑸數鏈虹殑棰濆畾杞熷疄闄呮槸寮傛杞燂紝閫氬父姣斿悓姝ヨ浆閫熷皬銆
绛旓細鍔辩鍥犱负鍙樺帇鍣ㄧ粫缁勭數鎶椾笌棰戠巼鎴愭姣旓紝鎵浠ユ紡鐢垫姉澧炲ぇ銆佸姳纾佺數娴佸噺灏忥紝閾佽姱鎹熻楀ぇ绾︿笌棰戠巼鐨勪簩娆℃柟鎴愭姣旓紝鎵浠ュ鍔犮傚甫璐熻嵎鍚庡彉鍘嬪櫒鍘嬮檷姣50璧吂鏃跺ぇ锛岀數鍘嬭皟鏁寸巼澧炲ぇ銆傜敤U = 4.44 f N桅m杩欎釜鍏紡璁＄畻銆傚綋棰戠巼f澧炲ぇ鏃讹紝U涓嶅彉锛岄偅涔棰濆畾鐢靛帇涓嬬殑纾侀毼灏卞彉灏忎簡锛屼篃灏辨槸璇达紝棰戠巼f澧炲ぇ鍚庯紝涓嶉渶瑕佸師鍏...
绛旓細濡傛灉娌℃湁鑷攣锛屽垯鐢靛姩鏈虹殑宸ヤ綔鐘舵佹槸鎬庢牱鐨勶紵涓夈鐢垫簮棰戠巼f=50HZ锛棰濆畾杞樊鐜嘢=0.04锛屾眰璇6鏋佷笁鐩稿紓姝ョ數鍔ㄦ満鐨勯瀹氳浆閫熴傝浆鏁颁负960杞傚洓銆佽瘯鍒嗘瀽浠ヤ笅鍙岄熺數鍔ㄦ満鐨勪綆閫熷埌楂橀熻嚜鍔ㄨ捣鍔ㄧ數璺殑宸ヤ綔杩囩▼锛屽苟璇存槑鍏朵腑KM2銆並M3绾垮湀涓轰粈涔堥噰鐢ㄥ苟鑱旇屼笉閲囩敤涓茶仈鐨勬柟寮忥紵浠ヤ笅鏄 ...
绛旓細棰戠巼涓鐢垫祦鏄袱鐮佷簨鎯 鈥棰濆畾棰戠巼50hz鈥濇槸鍥藉唴鐢电綉瑙勫畾鐨勪氦鍙橀鐜囨暟鍊硷紝鍥哄畾涓嶅彉銆備笉绠＄數娴佹垨鑰呯數鍘嬫槸澶氬皯锛岄鐜囬兘涓嶅彉銆傛暀绉戜功涓彲浠ヨ瀹氫笉鍚岀殑棰戠巼渚夸簬瀛︿範鑰呯悊瑙ｅ拰鎺屾彙浜ゆ祦鐢靛師鐞嗐傞瀹氱數娴20A锛屽彲浠ユ槸鐢垫簮鐨勮緭鍑虹數娴侀瀹氬硷紝涔熷彲浠ユ槸璐熻浇鐨勯瀹氱數娴佸笺備絾鏄兘涓嶄細涓庨鐜鍋氬己琛屸滃绛夆濄傛暀绉戜功涓嚭棰樻儏鍐...
绛旓細鎰熸姉XL = 2蟺FL = 314 脳 50 脳 0,001 = 15.7惟锛涘鎶梄C = 1 / 2蟺FC = 1 / 314脳159脳0.000001 = 20惟 锛涗覆鑱旀婚樆鎶梈 = 鏍瑰彿涓婻骞虫柟鍔犱笂XL骞虫柟鍑忓幓XC骞虫柟 = 鏍瑰彿涓100 + 246 + 400 = 27惟锛涜繖鏄绠楁绫婚鐨勬濊矾銆
绛旓細閾佽姱鎴潰绉负锛歋 = 1.4*2 = 2.8 绾垮湀鍖濈數鍘媏t = B * S / 45 = 1.2 * 2.8 / 45 = 0.07467 涓娆＄嚎鍦堢殑鎬诲対鏁帮細W1 = 380 / 0銆07467 = 5089 鍖 锛380V锛220V鐨勫対鏁颁负锛歐11 = 220 / 0銆07467 = 2946 鍖 鍗充粠锛5089-2946锛=2143鍖濆鎶藉ご銆備簩娆＄嚎鍦堟诲対鏁颁负锛歐2 =...
绛旓細瑙ｏ細涓銆佸畾瀛愮粫缁勫崡鍖椾袱鏋佸悇1涓紝绉颁负1瀵圭鏋侊紱鍗楀寳涓ゆ瀬鍚2涓紝绉颁负2瀵圭鏋併併併佸姝ょ被鎺ㄣ備簩銆佹牴鎹畾瀛愭棆杞鍦鸿浆閫熺殑鍏紡n=60f/p鍜屾垜鍥戒氦娴佺數鐨棰戠巼f=50HZ,寰2瀵圭鏋佺殑鍚屾杞熶负n=60f/p=60*50闄や互2=1500r/min 涓夈佺鏋佸鏁拌秺澶氾紝瀹氬瓙杞熻秺鎱紝鍗冲畾瀛愯浆閫熶笌纾佹瀬瀵规暟鎴愬弽姣斻傚洓銆佺敱浜庤浆...
绛旓細鍙互杩欐牱閫愭姹傝В锛屼笉杩囷紝棰樼洰搴旇鍏堢粰鍑鐢垫簮棰戠巼f=50Hz鍚э紝鍚﹀垯锛岀數鎰熼噺鏄棤娉曡绠楃殑銆1銆佽绠楁棩鍏夌伅鐨勭瓑鏁堢數闃 R=U^2/P =220^2/40 =1210 (惟)鐏涓ょ鏈110V鐢靛帇鏃讹紝娴佽繃鐨勭數娴佸氨鏄 I=110V/1210惟 鈮 0.091(A)2銆佽绠楃數鎰熶袱绔殑鐢靛帇 UL=鈭(U^2-Ur^2)=鈭(220^2-110^2)鈮190.5 ...
