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y100l-2--3kw三相鼠籠式異步電動(dòng)機(jī)設(shè)計(jì)畢業(yè)設(shè)計(jì)-資料下載頁(yè)

2024-11-29 10:37本頁(yè)面

【導(dǎo)讀】為畢業(yè)設(shè)計(jì)工作檢查的主要依據(jù)。進(jìn)度表中的周次是指實(shí)際的畢。業(yè)設(shè)計(jì)進(jìn)程中的周次。交給指導(dǎo)教師批閱。①效率:η=89%②功率因數(shù):cosφ=③最大轉(zhuǎn)矩倍數(shù):2?①電壓基準(zhǔn)值:380??NU為電動(dòng)機(jī)額定相電壓。FT′—修改值,F(xiàn)т—計(jì)算值,⑨導(dǎo)電材料:定子繞組采用QZ-2型高強(qiáng)度聚脂漆包圓銅線;轉(zhuǎn)子鑄鋁,采用AL-1;線徑為時(shí),漆膜雙面厚度計(jì)算時(shí)取;在原復(fù)算方案的基礎(chǔ)上提高性能;基本的磁路計(jì)算和參數(shù)計(jì)算及起動(dòng)性能計(jì)算,要求計(jì)算結(jié)果誤差在允許范圍內(nèi)。編制程序進(jìn)行調(diào)試并在此基礎(chǔ)上綜合設(shè)計(jì)。繪制電機(jī)定子沖片圖,定子繞組圖,電機(jī)總裝配圖紙。

  

【正文】 4.效率 ?? ?? = ?? = 5.功率因數(shù) ??cos ??cos = ??cos = 6.極數(shù) p p =2 p =2 7.定子槽數(shù) 1Q 1Q =24 1Q =24 轉(zhuǎn)子槽數(shù) 2Q 2Q =20 2Q =20 8.定子每極槽數(shù) pP 11 ?=224 =12 1PQ =12 轉(zhuǎn)子每極槽數(shù) pP 22 ?=220 =10 2PQ =10 18 9.定、轉(zhuǎn)子沖片尺寸見右圖 8,圖 9 單位( mm) 圖 8 定子沖片尺寸 圖 9 轉(zhuǎn)子尺寸 10.極距 P? pDiP 1????= *? = P? = 11.定子齒距 1t 111 QDt i??? = *? = 1t = 12.轉(zhuǎn)子齒距 2t 222 QDt ??? = *? = 2t = 13.節(jié)距 y y =12 y =12 14.轉(zhuǎn)子斜槽寬 SKb SKb = SKb =1099525cm 15.每槽導(dǎo)體數(shù) 1Z =40 1Z 1Z =40 16.每相串聯(lián)導(dǎo)體數(shù)1?Z 11111 am ZQZ ???? = 1*3 20*48 =320 1?Z =320 式中: 1a =1 1a =1 17.繞組線規(guī)(估算) 式中: 導(dǎo)線并繞根數(shù)截面積??? 11 SN ( 22mm ) ????????11111aISN = * = ??? 11 SN = 定子電流初步估算值 /1I ?? ????? cos1 KWII = * = 定子電流密度 ??1 ??1 查表得 ??1 =??1 = A/mm2 19 18.槽滿率 ( 1)槽面積 ? ?212 22SSSRb RS h h ?? ?? ? ? = ? ? 2 2????? ? = S =2 ( 2)槽絕緣占面積 ?????? ??? RhCS Sii ?2 = ( 2*+ *? + )= iS =2 ( 3)槽有效面積 iSe SSS ?? == eS =2 ( 4)槽滿率 fS =eSdZN 211 ?? = 2210* *40*1 = fS= 絕緣厚度 iC iC = iC = 導(dǎo)體絕緣后外 d = d = 槽契厚度 h h= h= 19.鐵心長(zhǎng) l 鐵心有效長(zhǎng) 無徑向通風(fēng)道 glleff 2?? =20+*2 = efl = 凈鐵心長(zhǎng) Fel 無徑向通風(fēng)道 lKl FeFe ?? =*20=19 Fel =19cm 鐵心壓裝系數(shù) FeK ?FeK ?FeK 20.繞組系數(shù) 111 pddp KKK ?? =*1= 1dpK = 20 ( 1)分布系數(shù) 2sin2sin111 ????????? ??qqK d =220sin22220sin??????? ? = 1dK = 式中: pmQq ?? 1 11= 43*224? 1q =4 1Qp??? =15 15?? ( 2)短距系數(shù) ?????? ?? ?90sin 11 ?yK p =1 11?pK 式中: 1pQy??=1 1?? 21.每相有效串聯(lián)導(dǎo)體數(shù) 1111 dpdp KZKZ ??? ?? =320* = 11 dpKZ ??= 二、 磁路計(jì)算 22.每極磁通 11dpKZfE ????? 43 6*32 0* 5? = ? = Wb 式中: 11 1 UE L ?????? ??? ? 220*? = 1E = V 23.齒部截面積 ( 1)定子 111 PFeTT QlbS ??? =**9 = 1TS = cm2 ( 2)轉(zhuǎn)子 222 PFeTT QlbS ??? =**322 = 2TS = cm2 21 222 PFeTT QlbS ????? =**322 = ?2TS = cm2 24.軛部截面積 ( 1)定子 FeCC lhS ??? 11 =* = 1CS = cm2 式中:定子軛部磁路計(jì)算高度 ?1Ch 圓底槽 RhDDh SiC 312 111 ????? 32????? ( 2)轉(zhuǎn)子 FeCC lhS ??? 22 2cS= 2cm 式中:轉(zhuǎn)子軛部磁路計(jì)算高度 ?2Ch =* = 平底槽 2222 322 KRiC dhDDh ????? 32????? 25.空氣隙面積 effpg lS ??? =* =230 ?S =230 2cm 26.波幅系數(shù) ??平均最大?SF= SF = 27.定子齒磁密 11 TST SFB?? 201 *49 ? *108 =14273 GS 1TB =14273 GS 22 28.轉(zhuǎn)子齒磁密 22 TST SFB?? 001 *49 ?*108 =11679 GS 22 TST SFB?? 701 *49 ?*108 =13808 GS 2TB =11679 GS 2TB =13808 GS 29.定子軛磁密 11 21CC SB??? *21? *108= GS 1CB = GS 30.轉(zhuǎn)子軛磁密 22 21CC SB??? *21? *108= GS 2CB = GS 31.空氣隙磁密 gSg SFB?? 23 001 *49 ? *108= GS gB = GS 32.查附錄 Vl得 1Tat = 2Tat = ?2Tat = 1Cat = 2Cat = 33.齒部磁路計(jì)算長(zhǎng)度 定子 : 半開口平底槽 211 SST hhh ??? =++31 *= cm 39。1Th = cm 轉(zhuǎn)子 :平底槽 21022 RRT hhhh ???? = cm 39。2Th = cm 34.軛部磁路計(jì)算長(zhǎng) 23 定子 : phDl CC 2111?????? ???? ? ? ? 6*2???? 39。1Cl = cm 轉(zhuǎn)子 : phDl CiC 2222?????? ???? ? 8)(??? ? 39。2Cl = cm 35.有效氣隙長(zhǎng)度 式中: 定、轉(zhuǎn)子卡氏系數(shù) 1CK 、 2CK 21 CCe KKgg ??? = * * = eg = 半閉口槽和半開口槽 ? ?? ? oooC bbgt bgtK ?? ?? 即 21 * CCC KKK ? CK = 式中: 齒距為 t ? ?? ? 21 ** ** ?? ??CK= 1CK = 槽口寬 ob ? ?? ? 22 * * ?? ??CK = 2CK = 36.齒部所需安匝 定子 : ??? 111 TTT hatAT = = A 1TAT = 轉(zhuǎn)子 : ?????? 22222 TTTTT hathatAT =*+*= A 2TAT = 37.軛部所需安匝 定子 ????1111 CCC latCAT =** = A 1CAT = 24 軛部磁路長(zhǎng)度校正系數(shù) 1C 1C = 1C = 轉(zhuǎn)子 ???? 2222 CCC latCAT =** = A 2CAT = 2C 2C = 2C = 38.空氣隙所需安匝 egg gBAT ?? = * * = A ATg = 39.飽和系數(shù) ggTTT AT ATATATF ??? 21 1 7 5 6 1 4 9 11 4 9 ???? TF = 40.總安匝 gCCTT ATATATATATAT ????? 2121 =++++ = AT = 41.滿載磁化電流 111dpm KZmpATI???? = 2*3 37 1*6* = A mI = A 42.滿載磁化電流標(biāo)么值 KWmm IIi ? = = ?mi 43.激磁電抗 mm ix1? = 1 = ?mx 三、 參數(shù)計(jì)算 44.線圈平均半匝長(zhǎng)(估算) 雙層線圈 sBZ CLl 2?? ?Zl cm 25 =23+2*= 式中: ? ?12 dlL B ??直線部分長(zhǎng) =19+2*2=23 cmlB 23? ??cos2 YSC ?=*2 = SC = ? ?? ? ??? p RhhhD SSSOiY ????? 211 2 ? ?? ? *6 ????? ?= cm Y? = cm 式中: d1=2 cm d1=2 cm ??2sin1cos ?? ?? = ?cos = 111 22 2sinTSS bRb Rb ?? ??? 78 ** * ?? ?? = asin = 45.雙層線圈端部軸向投影長(zhǎng) ?sin?? Sd Cf = * = cm ?df cm 47.漏抗系數(shù) ? ?5212112 ?? ??? Up KZlPfC dpe f fx ? ? ?52210*38 0*6 2* 9**50* ??? = xC = 48.定子槽單位漏磁導(dǎo) 11111 LLUUS KK ??? ???? = * +* = ?1S? 式中: ?1UK ?1UK ?1LK ?1LK 26 ?1U? ?1U? ?1L? ?1L? 49.定子槽漏抗 xdpe f f SS CQKl pmlx 121 1111 ?? ???? ? 397..0*54*945 * *6*3*19 2?? = ?1Sx = 式中: 無徑向通風(fēng)道時(shí) ll?1 = 19 cm 1l =19 cm 50.定子諧波漏抗 xTdpepd CFKSgmx ????????? ??? ?21211 ?? * * *3 22 ???????? ? = ?1dx = 式中: ??S ??S 51.定子端部漏抗 單層鏈形繞組 xe f f de Cl fdx ???????? ?? 11 ** * 2 ?????? ?? = ?1ex = 52.定子漏抗 1111 edS xxxx ??? =(++) = ?1x = 53.轉(zhuǎn)子槽單位漏磁導(dǎo) 222 LUS ??? ?? ? ?? 2S? = 式中: ?2U? ?2U? 27 ?2L? ?2L? 54.轉(zhuǎn)子槽漏抗 xe f f SS CQl pmlx 2 2122 ? ???? ? 0 6 7 9 9 0 3 9 * 2 0 4 *6*3*19?? ?2Sx 55. xTepd CFRgmx ????????? ???212 ?? * *3 2 ?????? ?? ? = ?2dx = 式中: ??R ??R 56.轉(zhuǎn)子端部漏抗 xRBe f fe CpDlllx ???????? ??? * ?????? ?? == ?2ex = ?RD cm2 ?RD cm2 57.轉(zhuǎn)子斜槽漏抗 222 dSKSK xtbx ????????? 0 0 9 0 2 9 *6 3 3 3 2???????? ?SKx = 58.轉(zhuǎn)子漏抗 SKedS xxxxx ???? 2222 =+++ = ?2x =
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