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22.5lmnBk!ᜧ"Bk!±alP=TG),Pyz3·±T·ᜧ"3·ᜧT·±2.6lmn ᵯ BkḄGD?¸BkḄGD2ᜧjalP=T3,T=G6D2/375.P=wGaD2/375.,PyzB·±GD?·ᜧ"B·ᜧGD?·±2.7]2.3(a)ᡠf"ᵯ kḄ}~JM=2.5kgm2,Bn=900r/min; kḄ}~J=16kgm2,MLQ=60r/minoTᢚqᑮᵯ kḄᦔº}~ᢚqᑮᵯ kḄᦔ}~:j=Nm/N1=900/300=3,j1=Nm/Nl=15J=JM+Jl/f+JL/jl2=2.5+2/9+l6/225=2.79kgm2.2.8]2.3(b)ᡠf"ᵯ B☢=950r/min,6BḄ¼Ji=J=4,ᔁ¾¨¿D=0.24m,ÀḄ62B¼J=2,ÁÂ/₹F=100N,ᵯ ḄÄÅ3GD2M=1.05Nm2,"À%ᔁ¾ÆḄᦔ᳛l0.83TᳫÈÉBÊv%ᢚqᑮᵯ kḄ☟!T1Ëᢚqᑮᵯ kÍ ḄÎ}~LGD2„Z3M=3.14*2n/60=99.43rad/s.ÓᓣÂᱥḄkḄÖBÊ3=3
3Mdijj3=99.43/4*4*2=3.11rad/sv=wD/2=0.24/2*3.11=0.373m/sT=9.55FV/nn=9.55*100*0.373/0.83*950=0.45NMLcMGD2=8GD2+GD2/j2ZMLL=1.25*1.05+100*0.242/322=1.318NM22.9*) 3ᢥᐸÙÚḄឋªᩭᑖÜᨵÝWXÞßḄ/0aÜᑖl1ឤ!ß 3ᱯឋ2áâ:ãä ß 3ᱯឋ3¨©ß 3ᱯឋ4ឤw᳛ß 3ᱯឋ,4XÞßḄ/0.2.10æᢙ☟!è☟!ᨵéêë"ᔜᨵmnᱯìaæᢙ!Ḅ ᔣ ᔣíæ," ᔣî*ᦋzð"/0!Ḅ ᔣñòóḼᦋz"õÆ'ÚöḄ.è!ḄEᵨ ᔣឤ" ᔣ÷ᐵ"ùᙠû ᔣÚö"ᙠíæ ᔣüýþ2.11ᙠ⚪2.11] "ÿ 12ᑖᵯḄᱯឋᑨḄ⊝
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6ঝᵯ'¡ᢝ9ᵯ8t£100VJ¤Ḅ¥¦§᳛©ª«Jn=QN PN=UNூN180KW=230*INI=782.6ANGᵯḄᵯ'782.6Ap=IN100/nNP=87.4KW3.6¬®dF&'ᵯḄᦪtP=7.5KW,NU=220V,n=1500r/min,n=88.5%,ᵯḄNNNᵯ'*fPN=UNூNQN7500W=220V*I*0.885NIN=38.5ATN=9.55PN/HN=47.75Nm3.7—cdF&'ᵯP=15KW,U=220V,Z=63.5A,NNNn=2850r/min,R=0.25Q,ᐸ±ᱯឋNaUo/V115184230253265I/A0.4420.8021.21.6862.10f²◤ᙠᵯ't)ᑮ150V220VḄ´ᵯ8ᐸ
7FSᵯ'ᑖµ¶· ᵫ±ᱯឋᐸ±ᱯឋ¹ .iU=150VJ1.0.71AiU=220VJIf=1.08A3.8bcdF&'ᵯḄᦪPN=5.5KW,U=110V,/=62A,nN=1000r/min,º¦»Ḅ¼ᨵNNᱯឋ¹ R=(0.50-0.75)(l-P/UI)U/IaNNNNN=0.6(1-5500/110*62)*110/62=0.206Qn=nUN/(UN-INRH)0N=1131r/minTN=9.55*5500/1000
8=52.525Nm3.9bcEF&'ᵯḄᢈ¾ᦪtPN=5.5KW,U=110V,/N=61A,FSᵯ'/À2A,nN=1500r/min,ᵯNjᵯlRa=0.2ÁÂᶍÄC*+ḄÅὑÆCÇpqrtḄᵯS*fÈÉ¥¦*fº¦»ÈÉḄ¼ᨵᱯឋ¹ n0=UNWN/(UN-INRH)TN=9.55PN/nN=110*1500/(110-61*0.2)=9.55*5500/1500=1687r/min=35NmA1687
93.10bcdF&'ᵯḄᢈ¾ᦪtP=6.5KW,UN=220V,/=34.4A,n=1500r/min,R=0.242Ê˦NNNa«ᵯḄtᱯឋজ¼ᨵᱯឋঝᵯjÌ<ᵯlᑖ3Q5QJḄÍᱯឋঞᵯjᵯ8U/2JḄÍᱯឋটSÐ6=0.8ONJḄÍᱯឋEº¦ÑᱯឋḄÒÓজÔ!0=5Õ/©5-ᱏ1^1Ö=220*1500/220-34.4*0.242=1559r/minTN=9.55PN/I!N=9.55*6500/1500=41.38Nm1559
1041.38ঝn=U/K@-(R+R)T/KK02caadct=U/Ke4-(R+R)T/9.55K202aadei3Qn=854r/mini5Qn=311r/minঞn=U/K6-RT/9.55K2ট2eaeiU=0.5UJn=732r/minNNno=UNnN/2(UN-ூNRa)=780r/min
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12ᵯᙠÜÚÝn=O,E=O,9RaÛvᡠLᵯ&ÙÙᐭᵯßEà<ᵯ8JÚᵯ'Ûᜧást=UN/Ra3.12dF&'ᵯ&ÙÚâãwᨵ⌕ äå dF&'ᵯ&ÙÚâãwḄ⌕1Úᵯ' ⌕âᜧ,2 ⌕ᨵâᜧḄ*f.KLÐâæçXèᩭäåᵯḄÚb£8Ú.êᙠᵯjëᑁíÙ<ᵯlÚ.3.13&'dFᵯÚJ$%b⌕ᐜïFSᵯ'< ÁðñᐜᔠFSólḄᵯôõᐵ÷ïᵯjᵯôÙÐ]øUV$%åù©úTL=OTL=TNæçûü▲ᜧABCDH=TN ᵯᵯᜧᜧE FGHIJ.3.14LᵯMᔲOJPQ?"LᵯSTMOJPQ!"Uᵯ9:V,ᡠ()ḄYZ[\] ^ᐗ`ᵩᑮcdeMLᵯfeMg9PQ.hTMᵨᦋkᵯ'ឋḄmn,
13!Uᵯ4ᵯlao60pgqᵯr9sTtᯠvᢝxᩭmᔣᑣᵯTeMg9.3.15|ᵯᐸ~ᦪP=2.2KW,U=Ur110V,n=1500r/min,n=0.8,R=0.4NNNNaQ,Rf=82.7Qoজ~ᵯ4ᵯ1Anঝ~ᵯIfNঞ᳛Pf;ট~9sT;Nঠ~ᵯḄgᵯড5Ḅᵯঢ-⌕ᵯTI~ᵯḄ2ᵯ"9s"জPN=UNLNnN2200=110*3*0.8IaN=25AঝURflfN1^=110/82.7=1.33AঞPf=UflfN=146.3Wট~9sTN=9.55PN/nN
14=14Nmঠ~ᵯḄgᵯEN=UN-MRa=110V-0.4*25=100Vড5Ḅᵯkt=UN/Ra=110/0.4=275Aঢᵯ2I>U/(Ra+Rst)NNR>1.68Qst9s¤¥=(U-IR)/nNNaN=0.066Ia=U/(Ra+Rst)T=KJa6=52.9A=9.55*0.066*52.9=33.34Nm3.16ᵯᵨᵯ4ᵯ¦LᵯḄ§n"⌕⌲©ᑗ◀ᵯᑗ¬®¯ᩭ°-?-ᵯᐰ²ᑗ◀,ᙠᑗ◀´µᵫ=·¸ឋḄ¹ᵨᵯḄ9:TMºkᙠ´µ9:»ᢝTk·ᱯឋ®9ᑮᐸᱯឋ½¾ ¿Àᵯ®Áᜧ,ᡠ]Âᵨ⌲©ᑗ◀ᵯḄmn.ᑗ◀¬®ᨵeMÄÅᵯ.3.179:Æ⁚ÈÆ:ÉoÊᨵḄ:ËkᓄᙠᭆÎ ᨵÏ
15Ð:ËkᓄᙠÑ·ᱯឋᵫ=ÒJᦋkFABḄÓ:ËÆ⁚ᑣÑᱯḄÒJ,☠Ô"ᦋk·ᱯឋFÕᑮḄ.3.18ᵯᨵÖ×mnØQÆ:ÙÚḄᱯÛᵯḄÆ:mnÜᦋkᵯ4ᵯ¦L5ᵯRadᱯÛᙠÒJ9sL5TpḄᵯe]ÕᑮTpḄ9:·ᱯឋÝÞᵯßᜧᑣᱯឋoÞàáßâJOᡈäJÆ:æTᜧç>èÆ:éêᙠÆ:ᵯ ëὑᜧíᵯíÜÓᦋkᵯᵯ4ïᵯᵯðᱯÛñᵯðòókᓄ9:e]ôõ>èÆ:ö÷Møᙠ~9:]Æ⁚Æ:ᱯឋoÊᨵᱯឋùúôQ·ᱯឋûËTkÆ:ḄàËÝVÆ:æÝᜧÆ:!ᵯ4ᵯoᵯð>ᐵü=ឤ9sÆ:,〉ÿ ឤ☠⁚ᵯᵯᩭᵯᵨᐸᜓ ᦋ ᵯ!"ᱯ$%&'()*+,-.)ᓽᙠ12)3⁚)ᱯឋ5678ᵯᣚᔣᩩ<=Ḅ
16▲ᑴ)Cᜧ)EFᢝᵯᵯHᵯIJ ,LឤM᳛)3.19OIᵯḄᵯPᑴQRSTḄ᪷WXYZᙠ[ᵯḄᵯTᱯ$\ᵯᡠ^_ḄTḄ`ᔣP)nḄ`ᔣab.ᑴTᱯ$dᵯᡠ^ḄTḄ`ᔣP)nḄ`ᔣae3.20fgOIᵯᨵijRᑴ`k[lḄmᱯឋZ[op5ᔜRᑴ`kḄrs$1e✄ᑴmᱯឋ⊤vwxn=U/Ke-(R+R)T/kK4)aadct2Tz{ᵯ|E,e✄ᑴT}Ḅmᱯឋ\ ~▲ᵯT}Ḅmᱯឋ ▲ᑁḄ.e✄ᑴT}▬ᵯᜧᵯ).zdᱥ) Ḅ▬ᵯᜧ.*ᓽdZᵯ,ᱥ}ᵯḄ).}Ḅ<5.ᑣᵨRᑴ`wSᐰ.2eᑴᵯeᑴᵯeᑴ~¡ᵨᙠ¢£m⌕¥¦)§)¨©HᔣḄªᔠ¬⌕¥®|eḄm3.᎔°eᑴ
17᎔°eᑴT}Ḅmᱯឋ±²³▭3\ ~▲ᵯT}ḄmᱯឋXµᙠ ¶▲Ḅ·ᵯeᔣᙠᵯTᑣ᎔°eᑴT}Ḅmᱯឋ±¸\ ▲ᵯT}Ḅmᱯឋ±²ᙠ ▲..¹ºḄ})»¼¢£Ḅᐰs$\·ᜧ½¾¿ÀᑣW¡}Ḅᱥ,ᔣ3ᓣ,mᱯ½)Ã2ឋÄ.3,ὑᑴmᱯឋ±²\"Æ$,7Ç ▲H ¶▲Ḅ~ᩩO²r$\È_µÉ᎔°ᑴÊ᪵ÌzTLḄᜧ½¾¿┯ÎÏÐÑᱥ3ᓣḄÒᦑ.S)Ô5eᑴEÃ2.3.21~ÕOIfgᵯÖ~ÕᔁØ᪀ᙠᵯÖᱥᒴ)3ᓣEÛᵯᵯÜᯠeoᑭᵨmᱯឋßᵯ3àáxজßeãäᑮæçèḄÃ2%⊝TêëᵯᔊíjRST[ᨬïᙠðñT}òóæçèḄÃ2%⊝$[ঝᔜRT}) ᓄḄᵯö᪵[জßeãäᑮæçᑮvèḄÃ2%⊝Têëᵯᔊíᵯ|ᔣᵯTeᑴT,eᔣᵯTÃ2%⊝T.
18ঝᵯ|ᔣᵯTᵫaᑮbᱯឋ±² øeᑴT)⌲úºᑮvcE)zûeᔣᵯTᵫcᑮf)⌲úü.Ã2%⊝TeᔣᑮvfÃ2%⊝$,)ý ᓄ. ¶þ4.1ðñÿ Ḅᡈ ᦋ ,"⌕ᵫ%&Ḅ' ᓄᑮ+%&',-& ᓄ ./ .23ᑬ5Ḅ678,9⌮;<=>Ḅ?@,ᑴ@,BCDE.FGᙠCI@JK%,Lᨵ@,ឤE,-& ,OPQ?@,ᑴ@RSTḄ67>U.4.2ẆX ᨵY▭[\/]^_?@,ᑴ@,BCDEḄ⌕`,abẆX Ḅc
19def,ẆXᔜhᦪjkḄ ᓄef,E,,ᵯmKjkḄ ᓄef,nopqḄ⌱s>ᵯt@uv,/ᵯ>t@w@xᑴyzxᑴ{ᑣ.}~ᗐḄ?@,ᑴ@Kw@xᑴ,`ᦋᗐ,y ᳛C@.-"ẆX ḄḄCY▭[\.⌼>⌕`⊝.4.3Oὃ⇋ᵯᵯ%,ᵯ@>ᵯᵯ?@Ḅ I=f(t),n=fপCR-Cὶᵯ¯ᐭᵯᐙᵯ Ḅ a ic=f(t)ஹUc=f(t)¶·,¸¹ᱥᳮ[\¼½¾Ḅ¿ஹÀÁ4.4>ᵯkQᦪḄᱥᳮ[\½ᨵÂÃ⊤ÅÆ;ᔜÇ⊤Å;ᔜ]ÈÃᐵ>ᵯkQᦪḄᱥᳮ[
20s-r^GDEdn/375TsMtT=GD2n/375TB>ᵯt@>UÚឋḄᱥᳮ,⊤ÜÆm0st;ᨵT=GDW375TCAnGD7375T^T=GD2n/375LmstLLs4.5àmáâᵯ@>ᦪãäåP.=21kW,U=220V,I=115A,n=980r/min,R=0.1Q,ᢚíᑮᵯNNNa@>î¼ḄïðñGD2=64.7N/m2oজ`Ḅ>ᵯkQᦪJ;ঝᵯᵯøḄ▬ᵯú,ᑣJ /ûüঞᙠ¼þcẠ ᙠᵯᵯ(ᨵ⛳)
21জNo=nU/(U-LR)T=9.55P/nNNNaNNN=1034r/min=9.55*21000/980=205Nm/012T=3926NmT=GD-no/375Tststra=64.7*1034/375*3926=0.04ABḄᵯDEFᦪT=0.045mঝIᵯJᵯKL1Ḅ▬OᵯPDQn=(Rd+Ra)VKeKt6K06=(IVIR)/nN=0.212T™=AnGD2/375TLL=(R+R)GD2/375(K)29.55adae=0.438ঞ]ᙠ ^_Ạ ᙠᵯᵯT.=An,.GD7375TL=(Rad+Ra)GD2/375(Ke6/4)29.55=1.752s4.6ObᵯcABḄ0d0efgᵨijklObᵯcABḄ0d0efgᵨ1ABGD2-2mOopT.d4.7qrᜧtuᵯvwxtuᵯyz{ᡠgᵨᜧtuᵯᵯJ}Ḅ~,GD2ᜧḄᨬᜧop
22opḄ5ᑮ10,bឋ,DopᜧᵯJ~,ᦣឋ0ᢝDE.4.8ᵯᐙAᦪḄᭆᐙAᦪᵯ¡⊝ᙶ᪗ᡠᒹ¦Ḅ☢¨◀pªḄ☢¨.4.9ᐹᨵpª¬ᵯḄ0d0eqr®ᨬ¯0d0eqrObᵯcABḄ0d0eᐙAᦪ°L±1°³0e´ᵯµᢝᙠᨬᜧ¶·,³0d0e¸ᵯ°ᜧ,Ob0d0e.¹wº»ᨬḄ0e.¼½¾5.1ᨵ¿ÀÂÃÄÅᵯᵯÆᵯÇḄ⚣᳛50Ê,DᵯḄoË᳛0.02ÌᵯḄÍÅoஹoÏooÏᵯ⚣᳛n=60f7pS=(n-n)/n000=60*50/20.02=(1500-n)/1500=1500r/minn=1470r/minᵯḄÍÅo1500r/min.oÏo1470r/min,oÏᵯ⚣᳛.f2=Sfi=0.02*50=lHz5.2ÂÃÄÅᵯLÂÃᵯÆḄÂ᪷Ñ´ḄÒ᪷ÓÔÕᵯ
23ᔲ×voqrÙÏÚÛLÜᵯÆḄÂÃÝ´ḄÞßÒ᪷ÓÔàB,CÒ᪷ÓÔᓽâBÃ⍗CÃÚÛ´ᵯḄÃäÓÔ,ÕDAÃÚÛᑁḄᵯÝæçCÃÚÛḄᵯ2n/3èÕéokᔣëA-C-Bᔣ⌮D┐kᔣéo,¡îÓÔḄéokᔣÃv.5.3ᨵ¿ÂÃÄÅᵯᐸnN=1470r/min,ᵯÆ⚣᳛50HzᙠðñòóÌôজÏéoõÓÏḄoö1500r/minঝÏéoõÓoÏḄoö30r/minঞoÏéoõÓoÏḄoö30r/minটoÏéoõÓÏḄoö1500r/minঠoÏéoõÓÏéoõḄo0r/min5.4IÂÃÄÅᵯḄðmODqrÏᵯ×ùoÏᵯḄmOwmOèðmOnoÏ¡éoõEḄÃÓoúnO-n mûü,oÏÝýþÿ ᑗᒘḄḄᵯᵯᱯ.ḄᵯḄᵯ ᜧ,ᡠ
24Ḅᵯ"#$.5.5%&'(ᵯ)*+Ḅ,-./01ᵯ2ᵯ345670ᵯ)Ḅ8ஹᵯ:ᨵ< ᓄ>@ ᓄ>1ᵯ2ᵯ345ᵯ)Ḅ8ABᵯ"AB.C .5.6ᨵ+D%&'(ᵯ)ᐸᢈGᦪIJ⊤ᡠLP-0Tst/XNOPN/kWUN"ISJINn/r•min'1I/AnNX100cos(t>TNTNNY132S-63220/38096012.8/7.2830.756.52.02.0QRSজ ᵯ3380V0%&YZ@[\?ঝRno,p,SN,TN,Tst,Tmaxj1stlঞn,-0ᵯ)Ḅoᐭq᳛st>জ ᵯ3380V0%&YZYN[\.(2)T=9.55P/n=9.55*3000/960=29.8NmNNNTst/TN=2Tst=2*29.8=59.6NmTmax/T=2.0Tmax=59.6NmNI/I=6.5I=46.8AstNst+zn=(O.94-O.98)nn=n/O.96=lOOOr/minNooNSN=(n-n)/nKlOOO-96O)/lOOO=O.O40NoP=60f7n=6O*5O/lOOO=3oঞn—PN/PoᐭPoᐭ=3/0.83=3.615.7%&'(ᵯ){ᙠ./0}ᯠᓱ0ᵯ)Ḅᵯ@ ᓄ>ᵯ)ᨵ@>
25ᵯ)Ḅᵯ,0ᵯ)ᨵ.5.8%&'(ᵯ)6+᪷ᵯ2 C>ᙠ./06+ >ᵯ)>%&'(ᵯ)6+᪷ᵯ2 Ḅ¡¢£ᑖ¥¦ᵨ¨ᔣ&ªḄ8«8ᜧB&¬ᦑᐸ¦ᵨ&®¯°ᔠ8²C³/ᙠ./06+ ¨ᔣḄ8ᜧªᔣ8´ᵯ)Ḅᵯ5.9%&'(ᵯ)ᙠ&µᵯ2ᵯ3JP-j¶-0,ᵯᔲ&µ>8ᔲ&µ>%&'(ᵯ)ᙠ&µᵯ2ᵯ3JP-j¶-0,ᵯj8´&µTst=KR2u2/(R22+x220)l=4.44fN/R12ÂU,R,X20ᨵᐵ25.10%&'(ᵯ)C./ᙠÆÇᡈ[ÉTḄJ>max᪷I'(ᵯ)ḄÊᨵ)Ëᱯឋᙠᡈ[ÉTmaxḄJ./ÍÎCÏḄᨵ⌼ᡂᵯ)ḄÒ
265.11ᨵ+D%&'(ᵯ)ᐸÓÔᦪIJ:P/kWn/r,min-1UN/VnxiooCOS4>N1S/INTst/TTmax/TN[\NNNN401470380900.96.51.22.0Öজ×,-8250N m0QØᙠU=UNjU'=0.8UNJᵯ)ᔲ>TJQ—9.55PN/nN=9.55*40000/1470=260NmTst/T=1.2NTst=312NmTst=KRU2/(R2+X2)2220=312Nm312Nm>250NmᡠU=U0ᵯ)N×U=0.8U0+Tst=(0.82)KRU2/(R2+X2)2220=0.64*312=199NmTstTstY=Tst/3A=1.2*TN/3=0.4TN×,-80.45T0ᵯ)CN
27×,-80.35T0ᵯ)Nঞ1Úᵨ³ 3ᘤ43Þ43ß0.64,Rᵯ2 àáâãḄᵯjᵯ)Ḅ8IN=PN/UNnNcos6NJ3=40000/1.732*380*0.9*0.9=75AISJIN=6.5L=487.5A43ß0.640ᵯ=lGht=0.642*487.5=200Aᵯ)Ḅ8T=K2Tst=0.642312=127.8Nm5.12äåæçஹèéç'(ᵯ)ᦋᗐឋ>ì᳛åæç'(ᵯ)í@ᦋᗐឋḄ>äåæçᵯ)ḄᨵåæYZïYZḄᵯðñᦪᜧᑁïYZñᦪᙠ0S=l,f=f,ᑁïY2ZḄᵯᢙ´ᜧᜧôãõöḄᵯð70ᵯ÷⌕ùᵯᢙ7ïḄYZḄúᵯᢙBᑁïYZḄúᵯᢙ7æḄ8ᜧᑁïḄ8B0û÷⌕¦ᵨḄæèéç'(ᵯ)ḄឋüᦋᗐḄýᳮÿ ᵯḄᦔᜐ ᐸᑖᡂ ᔜ ᡠ"#$%&Ḅᦪ()*+ , ᨬ .⚔0, ᨬ
281234$%&5Ḅ$%ᢙ7+ ᨬᜧ.0☢ᨬ;,ᡠ5= ᨵᦔ?☢@A;BCᨵᦔᵯDEFGHIBJEFBK᳛MNOPQᵯIRBCᵯDEᜧᓽ▲ᑴHIᵯVEᜧHIBJBCḄᵯD᳛GBCWXᵯDFᜧ5.13YWOPQᵯIRZᵨBC\ᵯDHI]ᡠ\ᵯDៜᜧHIBJᔲ7ៜᜧ`YWOPQᵯIRZᵨBC\ᵯDHI]ᡠ\ᵯDៜᜧHIBJៜᜧ5.14abYWOPQᵯIRᙠBC\ᵯDHI],HIᵯA;.HIBJd.Eᜧ`T=KRU2/(R2+X2)=BCḄᵯD〉=EF]HIBst2220fgEF5.15PQᵯIRᨵhijklmn`ᔜjklmnᨵopqr`জktklujvnwxyzkl{kl})ᜧঝBCᵯ\ᵯDklujmnᓫ☠{ᨵRkl,ḼBlᱯឋBCᵯᵯDὑ4BK᳛ᡂ,l]ὑᜧঞᦋᦪklujmnᜧḄHIBJᯠ@ᜧwᨵRkl{᪀ᓫᦔ᳛ᱯឋkl]ᡠ◤▬F¡ᜓ1
29ট⚣kl¥¦§¨ḄᦋᵯIRḄBJ,j ©Ḅklmn5.16abªឤ¬᳛kl`abªឤBJkl`ឤ¬᳛klR®ᱯឋᦋḄᩩ°±¬᳛)ឤBJklR®ᱯឋᦋḄᩩ°±BJ)5.17PQᵯIRklḄwឋ²³ᳮab`ᐸ?Yµ¶᪵Ḅ`Ꮇ¡¹,ºYᙌX¼ᩭᵨ,ºYᙌ⊤¿{WXÀlᵯIRḄÁCÂXWXᵫÄᔜ⚗ÆÇᙌḄÈWXXᡂÈWX\ὶᵯ5*=ĺÈWXÊὶ]ᵯ5dËÌᑖÍÎ⊤ÄᦪÏᦋᦪḄᐵÑᙠ GÂ5ÁCWX,ÒWXᑁḄᵯᦋmᔣᓽᦋÁCWXḄ?YmOᩭ¥¦ᦋᓽᦪklḄ³ᳮ5.18PQᵯIRᨵhijᑴIÕ`ᔜᨵoᱯr`PQᵯIRᨵ×jd✄ᑴId?ᑴI²wὑᑴI.d✄ᑴI=ᵯIRḄÚÛl Ḅ*QBlᓽm.>110],ÜᵯIRᜐ ÝᵯÕ.u]BCᑗᒘàB%áḄmᔣ4
30ᵯIRÕ]Ḅmᔣ5d.ᵯᦋâmᔣ,ᵯ%BJ7ãᦋmᔣ..d?ᑴIᵯäd?ᦋᵯIRḄ×5ᵯäḄ5åuæᦋâàB%áḄmᔣ,ᵯ%BJᵫᑮèujmné᧕⌼ᡂdB..᎔íᑴIî¦ᙠïwèðBJñòᵯ%BJ]ô¼öR÷±öᱥ],R®ᱯឋùY±µᱯឋùYᵫaᑮb,ᙠlᨬúᵯIRdB=ᑮûd],T=TLüýᑮûþÁÕwὑᑴI✌ᐜ⚗ᵯḼᓽᵯᙊᐭ. ᙠᵯ ᑁ"#$%Ḅ'(ᵫ*+,Ḅ,-.ᑁ/0123ᵯ45ᵯ6ᵯ7ឤ'(9:;ᵨ01;ᵨ=ᔣ?,@▭+,=ᔣ9BḄ,CᡠEᵯ ,FGFHIJKL MNOPḄQRSᵯ ,ᣚᡂᵯRVὑᙠ,ᵯXḄᵯYZ.5.19[\]^_`abᵯ dᦪfᯠhiKᵯ ḄIF jN=6Of7pphiḄ+,'(,FIḄ,FᱯmnoI.
315.20[\]abᵯ 9pfᯠᦋrKᵯ ḄIF jabᵯ 9pfᯠᦋr/ᦋr$+,'(Ḅ=ᔣᵯ sHḄQᱯឋvw/ᵫxy▲Ḅvw1rᡂ$xy▲Ḅvw2{ᵫ*Q|ឋḄ}~,,FRfrMNLaRᑮvw2Ḅb,ᵯ',Cᵫrᑮᑣ,ᙠᵯ,C5ᙠ,CḄᐳ;ᵨHGFF,ᙠbᑮcḄx9▲ᑁ,ᵯ',C5,F=ᔣ9B,.5.215.51ᡠᦋrQBḄ=ᔣᓽᦋrᓫ9abᵯ Ḅ+,=ᔣᨵAX,BY, ,¡L,BY¢ᨵᵯ£.¤¥¦╨¨ᙠ©ªZḄ«wᙠ¬ᚖBYᵯXZ¢ᨵᵯ£C,¯⌱±ᔠ〉Ḅ´ᦪµ6ZḄᵯiAᙠ9¶·¸ᡈº iB,»ᦋrQBḄ=ᔣᓽᦋrᓫ9abᵯ Ḅ+,=ᔣ5.22ᓫ9¼`abᵯ ᔲEᵨ¾ᣚᵯḄ᪷wÀᩭµᵯ B,R,~Âþᣚᵯ£ᘤCḄ¢ὶ¶Æᩭ@Ç,ᓽᦋrQBḄ
32¶Æ/Eᦋr+,'(Ḅ=ᔣ,»@Çᵯ ḄB,,.5.23bᵯ ḄÈ;}ᳮ?abᵯḄᨵÊabᵯ Ḅ,ËᨵᵯÌ'Íᡠ◤⌕Ḅᐰ"' 4ᙳᵫᵯ01ᡠE"ᵯ ÂÃ9ᵯᔾÓº ᵯᩭ#ᵯ LKᡠ◤⌕Ḅ+,'(ÍḄÔ᳛~ᦪÖ×*1Ḅbᵯ ᡠ◤⌕Ḅ' 4ᵫ5,ᐳ01Ḅ¯i9ᵯḄᵯKÖḄ'rᙠ,Ì'ZEᵯ ,¬Ù◣ZÛÜÇᜧ×5ឋ%dᦪ?ᵯÞ+,'(9ḄÌ''(ß'(Ḅ9:;ᵨµ,ᓅᵯÞ+,'(á Ḽb,Fâ, .5.24ãäåHbᵯ ⌕æᵨab ç~,èé, K,iEÌ'01$+,'(êEb,F, ὅ9ᔾ+,'(ìᔾ,, ,{ᵫ*,Ḅ|ឋÍíËᨵᩭîï, K+,Ûᑮ$ឋ9BḄ=ᔣ,ὅÛ9ðᡠEᙳ,CñR .5.25Eᑭᵨbᵯ ᩭóôᵯõḄÔ᳛~ᦪ¯Ì'ᵯᜧ*öÌ'ᵯK,ᵯÌ' ᒕᙠ=☢ùú◤ᵯûᵯ»üíEᔣᵯõýÜ2ឋᵯ?ᵯ2ឋúÔÔ᳛þ⊡ ᵯ▬ᵯឋḄ◤⌕.ᵯḄ᳛ᦪ.6.1ᨵ !ᵯ"#$%&'(ᵯ)ᵯ*⚣᳛,
3350Hz,.ᦪP=l,/01Ḅᳮ34ᙠ6789:?ii0=6O*"p=60*50/1=3000r/minᳮ34ᙠ6783000r/min6.2=>“@6”BCD !ᵯ"#EF᪵H!I BCᐸKLᑴNOPᜫERS7TUD@68!ᵯ"#6"ELᑴᵯ)VP,6Xᑭᵨᒕ\ᵯ)ᓫ^_ᵯ6X`a6".H!I BCbc8d!ᵯ"#Ḅ6XᵯefgḄhᜧᵯ"#ᙠᜫjLᑴNOᓽᡂᓫ^mnE,o6pᡈ6pḄᨬᜧsᙳuBᙠSm>lḄᙢb.K7wn,oEᵯ\6pT,Kn,E,T,o,ᓽjᣵLᑴᵯ)y,ᓫ^_ᵯzḄᵯ\6pḄbᔣ|8}6X6ᔣ^~,ᡠ8 ᑴ"6p.6XS7TUᙠ@6BC6.3ᨵ !ᵯ"#ᵯLᑴᵯ)\ᵯ)ᙳᢝK%Eᵯ"#ḄLᑴᵯ ஹᵯ\6p67=ᓄDKᙠ%En=UJKe-RT/KeKজ2ᵯ\6pᜧ67᠒᪷n=U/Keজ-RI/KeজLᑴᵯ ᜧ.caa6.4ᨵ !ᵯ"#KᵯLᑴᵯ)Uc=110VE,
34ᵯᵯ Iai=0.05A,67ni=3000r/min;%yᵯᵯ Ia2=lA,67n2=1500r/min/uᐸ#ᱯឋn=f(T)oᵯ"#Ḅᵯ\6p,T=BINLD/2,a6.5$ !ᵯ"#Ḅ\ᵯ) (KᵯLᑴᵯ)Uc=100VEᳮ3467no=3OOOr/min;KUc=50VE,,9:Dn=12OUc/JiNBLDᵯ)}67ᡂoKUc=50VE,no1500r/min6.6, pᵯ"#⌕ᡂᡡᙊ¢£¤᪀D pᵯ"#Ḅᵯ\6p,T=BINlD/2ᙠᵯ¦§a^¨ᩩª«ᵯ¬Ḅ®¯°±²ḄBLN1/2³´µ¶ᦪ,ᦑ6pT}¸Dzᡂo.ᵯ"#¹¸ºᜧp»ºᜧ.6.7,9ᦪᦪL#¼Ḅ½¾¿ÀÁÂᵨᜧÃÄ ᵯ"#D
35,ᙠfg.ᑴ⌼ᖪÇᵯ"#R⌼È7ᡈe6«mnᙠe6ḄÉÊ«RËÌÍÎᜧḄpÏÐÑ%&ÒÓw~ÔÕ,7wÕ¯ឋÖ×Ø.Ù1¶ᵨᙠÈÚ◤⌕6pÛ⁚◤⌕ (ÝḄÞ"¿Àß,nᐗª.6.8â\²¨ãᵯ"#,⌕Âᵨäãå"D,â\²¨ãæᵯ"#çå"Eᘤ(XéÌê6\ëì6XᐹᨵÃឋî&\ëḄ6"(Xê6EÏᔾð6XEÏñó6XÙßᵨᙠ6XḄᙳ6p,ô6Xõ»ê6öᩭ.6.9\e²ᵯ\ø7¨ãᵯ"#ᨵùuḄ×ØD\e²ᵯ\ø7¨ãᵯ"#ú◤%å"¬1Ḅ¤᪀ûᓫᑴ⌼bü.ᡂýþÈ1Ḅ67 ÿᙠᑖᓝᑮᵨḄᵯ.6.10 ᵯ !ᵯ"#$%ᦪ'46,)ᦪ'2,ᵯ*⚣᳛'50Hz,$%ᦪ'50,-.ᵯḄᵯḄ012'3=(ZZS)2ᑍf7ZPr=(50-46)*2*3.14*50/50*2=12.56rad3=2nn/60n=60*3/2n
36=120r/min6.114567ᵯᙠᳮ9:;<'=>$?@AᨵCDᵯEF$G"'=>CDᵯEH$ᡂJKFL'67ᵯḄCDᵯEU=Kn=KK"dO/dt,ᡠN$?@AᨵCDᐺP,$@CDᵯEHᡂJK.6.12RSᒕUᵯEஹWឋYZஹ[\YZFᒕUᵯE]^67ᵯḄ_'`@ḄCDᵯE.WឋYZᢣbcḄdCDᵯEe?fWᐵh,ᵫjWឋklḄYZm'WឋYZ.[\YZ;ᢣᙠo#Ḅqᑁ"CDᵯEHs ᵯEtu[\Ḅvᓄx.6.13f567ᵯ"yzR=180Q,n=3000r/min,aR=2000,U=50V,.{<ḄCDᵯ5e|}CDLᵯEIa=U/RaL=50/2000=0.025AU=Cn/(l+R/R)aeaL50=Cn/(1+180/2000)e
37Cn=U=54.5Vea0CDᵯ50.025A,|}CDᵯE54.5V6.14~f567ᵯ"ᙠ3000r/min@"|}CDᵯE'52V2000QḄ}ᵯG"CDᵯE'50Vo-.^'1500r/min,}ᵯ'5000Q@ḄCDᵯEᙠ3000r/min@"|}CDᵯE'52V@52=C3000eC=52/3000e^2000Ḅ}ᵯG"CDᵯE'50V@U=Cn/(l+R/R)aeaL50=52/(l+R/2000)aR=80a^'1500r/min,}ᵯ'5000Q@ḄCDᵯE'U=C*1500/(1+80/5000)ae=26/1.016=25V6.15f567ᵯH4567ᵯᔜᨵRFf567ᵯḄAᨵ[\?.AᨵᒕUᵯE"CDᱯឋḄ᳛K4567Ḅᜧ•ᵫᨵᵯᑵeᣚᔣᘤ,L᪀ᩖ"?.᥅_ᜧ.ᨵᣚᔣ,Wᵯ¢£"CDᱯឋ?¤#"¥J¦@"CD
38§)m.4567ᵯḄ?◤⌕ᵯᑵeᣚᔣᘤ,L᪀ªᓫ"¬᧕,®x¯"°±"CDᱯឋ¤#"²2³,᥅_¯"?Wᵯ"´µ¶☠.J¦ᔣ@CDᱯឋ)m"¸ᙠᒕUᵯEe[\YZ"ᑗ}Ḅᜧ¯eឋº»¼½CDᵯEḄ¾¿e[\.6.16-ªÀÁᑴ Ã1eÅ_ Ã1Ḅ´µÆᳮÁᑴ Ã1Ḅ´µÆᳮ^7〈ÈÅ É Êᐭs ᵯ5G"4vᾭÍ Ê"ᙠ[É ÎÏÐDÏÐ"ÑÉ Îᵯ5"ÒÓᵯ5ÔᾭÍ Õ"Öᑖ×ᙠÃ1vEᘤḄᓫ[CDÉ ÎÏÐD[ḄᵯØ..Å_ Ã1Ḅ´µÆᳮ^ᦈ$e7〈Ḅ$)#$É Ḅ\Ú[,ᡠNÛÜḄ[É ÎḄᵯØ[Ý,LÞᙠÛÜḄß[É ÎAᨵᵯ5.à7〈$á12"7〈eᦈ[ÐḄ[#$É ÎḄÛáᵯØâ?ã[äåæ"#$É Îâᨵᵯ5,Òáᵯ5eçèsÞ Êµᵨ_.6.17Å_ Ã1HÁᑴÃ1ᨵ=>?F-KéêëḄᔜÃÐᵨᙠ=>ÁᑴhìÎéíÃ1ḄCDᵯE◤⌕45îᜧᘤîᜧGïÁᑴ45ðñᵯ"ðñᵯ@òÁᑴ)óeÃ1vEᘤḄ$"êḄô⌕õõö1 ¯"ᢣ÷5=0
39@'ø.ê〉ᔠᜧ_Ḅ:;.Å_ Ã1û¶NòÁᑴ)ó"ü¶NòÃ1vEᘤḄ$,ᵫ}ýþ"ᡠN?◤⌕ᵨðñᵯ,ᵫÃ1fᩭ .6.18ᵯᵯ⚣᳛50Hz,T10cm, Ḅ ᳛0.05,!ᐸ#$&'ᙌḄ#$)V=(l-S)2fT=(1-0.05)*2*50*0.1=9.5m/s6.19ᵯ*+,ᵯᨵ./012ᵯḄ02)1ᵯ3◤567᪀,:;<>᪀?ᑮAᓄCDEF$GHEIJKL.2MNO#.3ᦣQRSTDᵯUV$WXᜧTZ[Ḅ▲ᑴ^.4_`ᮣbccWdᵯḄeJeᑖghᐸijᔠᡂj.12)mᙠḼᦔ᳛Jq᳛:ᦪs,ᵯq᳛ᜧts#ឋvw.xyz7.1ᵯḄ{ᓣ}./:~ᨵᐵᵯḄ{ᓣTᐸ)ᵯḄ{ᓣஹ{$t{$ὅ+6ᨵᐵᵯḄ{ᓣ}ὑ,ὑJὑᨵᐵ.ᵯḄ
40{ᓣTᐸ)ᵯWḄᨬD{$.ᵯḄ{ᓣஹ{$t{$ὅ+6) ᵯḄ{$}ᕜḄ{$+^QḄ¡ᦣ){$⌴£ḄH¤¡ᦣ¥ᑮ¦§5ᜧ¤¦§ᔾᦈ.:;{$ᓣDḄ*O.Ḽᵯ{$⌲«ᓣD,¤ᵯᔾᦈḄGH;¡ᦣᑮ¦§5ḄQ£¬..7.2ᵯᙠ 5ᐸᵯ¯ஹᵯUஹq᳛ஹ{ᓣvᔲ±²T)³´:ᵯᙠ 5ᐸᵯ¯ஹᵯUஹq᳛ஹ{ᓣv±²T:µ¶ᵯ·¸¹ᐰ Ḅ»⌕ᩩ¾)ᢥ¡Qᩩ¾⌱Áᵯq᳛ḄÂ⌕µ¶OmaxW0a7.3ᵯḄ⌱ÁᒹË./ᑁÍᵯḄ⌱ÁᒹËÎ1ᵯÍ.2ᵯᵯ¯w',3ᵯ#.4ᵯÑ᪀ÒÓ.5ᵯḄÕÖ7.4⌱ÁᵯḄÍ ×⌕Nὃ⇋./:~⌱ÁᵯÍN᪷ÛÜÝÞ´ᑣà Î1¡QÎᵯᙠ Ḅ ▭ᨬD{$whᡈ^hᵯḄᨬD{$,2²ãväÎå 6ᑁæçDhq᳛Ḅèãq᳛ µ¶0maxW9a.êëᵯÍḄ×⌕:~ì)¡Q;)ᵯḄ²ãväᓽᡠ⌱ᵯḄᨬᜧLa,ᡈᨬᜧᵯU»ðᜧh ²ñ5WvòḄᨬᜧèãᵯUIôJᨬᜧèãᗓ.3[vä»ð<ᵯvW☠[T,ீᐭSVTN
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57Þßà9.1PLCᵫäåΤ⌕æᑖçᡂ9ᔜæᑖḄ`ᵨ@;<9PLCᵫ éᜐᳮᘤCPU,ëìᘤ,wᐭwSíîÔᘤçᡂ. éᜐᳮᘤCPU@᪶ð,gḄ`ᵨPwᐭḄÔ¼ëìÔ¼.ñòÚóḄwᐭô,ÓᵨᡝÔ¼uø[.ëìᘤᵨᩭëúÔ¼]ᦪüwᐭí6ýÚóᔜþ°ᐵ´ḄËÌô,ÿᐸᓄᡂ᪗Ḅᵯᵨᵯᩭᑴ.ᘤᵨᵨᡝ Ḅᑴ ,"#$%&.'()*+PLCḄᔜ01.9.2ᐭஹᵯ67Ḅᐝᵯᔠᘤ;Ḅ<ᵨ=>?@<ᵨ=1BCCDEplcIJḄᵯᘤ◞LMNᢙPឋ.2TUᵯ6ᦑXY,Z[ᵯ\ᐭIJ]^_IJ.
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7410.5⚪10.50ᡠ;UᙠVWXᔠ#?ᐵS,ᙠt2WXL?S,,-.12ᵯ4R#Ḅᵯ567ᨔ#Ḅᵯ56710.6ᨔḄY⌕[ᦪᨵ]^ᨔḄY⌕[ᦪᨵজL`abcᵯ5UDRE:ᙠᑴLefgQᔣ4LḄᩩ jkl`amᙠᨔnoḄQᔣbcᵯ5ᐸᦪcqrsQᔣtᢚᵯ5v100V.
75ঠxᔣ`abcᵯ5URRM=ᙠᑴLeWkl`amᙠᨔyᐗ #Ḅxᔣbcᵯ5.ড{r|ᙳᵯ~({rQᔣ|ᙳᵯ~)1ঢᢝᵯ~=ᙠqrḄᑴLeWᢝᐗ Ḅᨬvᵯ~.10.7fᵨᵨ⊤ᨔḄḄᨔᐸ□A▢K! 4.ᡠl,ᵨ⊤,A-K!Ḅᵯ4W,ᵯ⊤fP'4G-K!Ḅ⌮ᔣᵯ4sᔣᵯ4ᜧ.⊤ᨔឋ.10.8ᨔḄᑴf¡¢ᨔḄᑴᨔyᐗ £¤Qᔣᵯ5S¥ᑮ§¨ᾭªḄ)ᵨ«!Ḅ«.ᨔᙠᕜW!ᑁNᵯ.10.9ᨵᓫ°±6k~ᵯeᐸ²~ᵯ³ᵯ5U2=220V,12ᵯ4RL=10Q,,´µ.ᵯ5|ᙳcUḄ¶⁚¸a=Ji/3,µ.ᵯ5|ᙳcUdᵯ~|ᙳcId¹º»⌱ᨔ.Ud=l/2½/a"J2sinwtd(wt)=0.45U(l+cosa)/22=0.45*220(1+1)/2=99Vµ.ᵯ5|ᙳcUdḄ¶⁚¸0-99Va=JI/3WU=0.45U(1+COSa)/2d2
76=0.45*220*(1+0.866)/2=92.4Vµ.ᵯ5|ᙳcU=92.4Vdᵯ~|ᙳch=U/RdL=92.4/10=9.24A10.10¿~Àᨵf)ᵨUÁÂKÃḄឋPxT'ÄÅHÆ¿~À)ᵨÇᵯÈ12WḄᓫ°±6ᵯe~µ.Ḅ|ᙳᵯ5Wᨔ£¤xᔣᵯ5ÉÊᐵLMᨵᵯ~~Ëᵯ³Ì12noᵯ5ÍÀ5Î,PÏÐÑᡠlᵫᵯȨ.ḄÓÔὑᙠᵯ4#UÁÂKÃḄឋPx'⌼ᡂ×ᵯÈឋ12'Nᵯ10.11,-.ᓫ°±6k~ᵯe×ØឋÙ1₹WᨔḄᵯ~67ᵯ567
7710.12ᨵᵯ4Û12◤⌕Ý~ᵯ5Ud=60V,ᵯ~L=30AÞᵯUßᵨᓫ°±6k~ᵯeÝPPᙠ220VḄ²~ᵯà#,áâᨔḄ0OU=0.45U(l+cosa)/2d260=0.45*220*(1+cosa)/2a=77.8a+9=JI
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7910.15é°±6ᵯ412Ḅk~ᵯeÆᵫÐᑴõöᦑøA°Ḅ§¨ᾭªùᜫ,-.ᑴa=0WḄ~ᵯ567
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85ᵯ ᙠCEjᙠklḄmnoFp▭r.mstr.u᳛gᔲxᑮzkACᐸ|}~r.Ḅᨬᜧmstᨬᜧu᳛,kWᵯ W+, ᙠCEj\]ms\]u᳛Ḅᜧ#tᓄ,ᡠ!9ᵯ Ḅ\]gᑮᨬᐙᑖḄᑭᵨᙠ⌱RᫀFᵯ ḄឋY[+, Ḅ\]ᱯឋ⌕〉ᔠ.\]9ឤmsḄ+, Zg⌱RឤmsឋYḄzᵯ ḄmsZᡈᶍᜧ\]ms\]9msឤu᳛Ḅ+, Zg⌱ᵨឤu᳛ឋYḄ,zᵯ Ḅu᳛Zᡈᶍᜧ+, Ḅ\]ms.11.5ᨵ¡¢ᐸFᳮ^Ḅ¤]mn¥1480r/min,¬FḄᳮ^¤]mn=157/min,\]FḄms°A4=1002r/min,±².³Ḅ☟ᱯឋ.´t☟D=noi/n2O=1480/157=9.23☟S=ºn/nN01=10/1480=0.006814801470r/min
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