第11章变压器与电动机

1、1234567磁滞回线磁滞回线89 INHl 或或 IHdl Hdl10BNIHlllS HdlI Sx HxIN匝匝11mFR NIlS mFR 12lmRS lmFNIRS lRS EEIlRS 13u(Ni)i d deNt d deNt d diLt NLi 常常数数14 +ee uNi uRiee d()diRiLet ()()URIEE j()RIX IE sin,mt mdd(sin)ddeNNttt cosmNt 2sin(90 )mfNt msin(90 )Et mmm444222 fN.fNEE -UE (V) 444444mmSfNB.fN.EU )(jEIXIRU 16

2、17182FecosPUIRIP 1920211u2uLZ1i2i2223241u2uLZ1i2i0i20i 1u20u2e1e1e1N2N1u11d deNt 011d dieLt 22d deNt 1u1e1e1N2N1u11d deNt 111d dieLt 22d deNt 222 dieLdt 111m(sin t)ttddeNNdd 1cosmNt 1msin(t90 )E 1m144. 4NfE 111222mmEfN E 22msin( t 90 )eE 2m244. 4NfE sin,mt 281111111111jUR IEER IX IE 111114.44mUEUEfN

3、 1E1R1I1U1E+1112022UENKUEN 2m220224440Nf.EUU,I 2222222222jER IEUR IX IU 2U 1u1e1e1N2N2222UZIZ 111 4 .44 mUEfN 01mi N 1122mi Ni N 2i1u2e1i1e1N2N2u1122 i Ni N 所所以以1122I NI N 1122I NI N 12211ININK 110122i Ni Ni N 22i N102211NiNiNi 3222UZI 11UZI 22122212UKUUZKKZIIIK 2ZK Z 1U 2U 1I 2I Z1U 1I Z I E 128001

4、08LLNRKNR I E 1N2U 2I LR2N0LRR 2201208004.5 800800LLEPRWRR 0LRR 22012080.176 8008LLEPRWRR 35%100%20220 UUUU22()Uf I 2212CuFePPPPPP 38N2N2N1N1NSUIUI N2N2N1N1N33SUIUI N1N1NSUI 21PP 222cosPU I 394041420nAmBmCmsinsin(120 )sin(120 )iItiItiIt mI43AXYCBZNSAiBiCimItBiAXBYCZAiCi44=180ot XBZ0nAYCA=120ot XYCBZ

5、0nAiBiCitmI=60ot AXYCBZ60 0nSN450n0nAiBiCimItAiCiBimIt4647482p AiBiCimIt4960t A0nAZXXCZCSN300SNBYYBAiBiCimItO0t 060( /min)fnrp 50060 /fnp （转转 分分）1500 /转转 分分3000 /转转 分分1000 /转转 分分 51：5200 100%nnsn 531sintm 1111cosmuN t 1111111dui ReeeNdt R1i1u1i2R2e1e 1e2e 2+-5411m11cos uN t 222m4.44 Ef N 1m1m11m1111

6、11m24.442UN N fUEUf N R1i1u1i2R2e1e 1e2e 2+-0002106060 nnnnnfppsfn2222222022220()EIRXSERSX 202122222SXLSfLfX 202122244. 444. 4SENSfNfEmm 222222222220cos()RRRXRSX R1i1u1i2R2e1e 1e2e 2+-56572cos Tm22cos TK I 5820222220()SEIRSX2222220cos() RRSX 111m4.44 Uf N22122220()sRTKURsX59T10sn0Tn060n0 TnNTnNNNNNN(kW)95502(r /min)60 PPTnn （Nm）61maxT2max12012TKUXmaxNTT 1.8 2.8 6221 0 (1)nsII63stT22st122220() RTKURX6415001440 0.041500 s6566AZBYXCABCXYZ6711.2A/6.48