faza ro'torli asinxron dvigatel mexanizmning yuklanish diagrammasi
Page preview (5 pages)
Scroll down 👇
![tic moment; - dvigatelni nominal moment; = 80000/60,9=1313,6 [n*m] jm - mexanizmni inertsiya moment;jd - dvigatelni inertsiya moment; jd = 12 gd2/4 [kg*m2] k - uqni inertsiya momentini hisobga oluvchi koeffitsient, k = 1,2 optimal uzatish soni io va ƞrbo’yicha reduktor tanlanadi. ωh=nh/9,55=60,9 [rad/sek]; ω0=n0/9,55 =62,8 [rad/sek] nominal sirpanish: sh=ω0- ωh/ω (62,8-60,9)/62,8=0,03 dvigatelni nominal moment: mh=ph·103/ωh =80000/60,9=1313,6 [n*m] dvigatelni yuklanish koefitsienti: λ=mmax/ mh =3,3 kritik sirpanishi: )=0,19 dvigatelni mexanik xarakteristikasini qurish uchun klossning soddalashtirilgan formulasidan foydalaning m=2 mmax/(s/sk+ sk/s)=2*4335/(0,1/0,19+0,19/0,1)=3573 n*m bu formuladagi sni 0 dan 1 gacha qiymatlari uchun m moment qiymatni hisoblab chiqing va jadvalga yozing. dvigatelni mexanik xarakteristikasini qurish uchun klossning soddalashtirilgan formulasidan foydalaning m=2 mmax/(s/sk+ sk/s)=2*4335/(0,1/0,19+0,19/0,1)=3573 n*m bu formuladagi sni 0 dan 1 gacha qiymatlari uchun m moment qiymatni hisoblab chiqing va jadvalga yozing. s 0.1 0.2 0.3 0.4 0.5 0.7 0.8 0.9 1 m 3573 4329 3919 3360 2878 2191 1949 1752 1590 jadval bo'yicha m=f(s) …](/media/previews/pages/preview_IbMeN4U.webp "faza ro'torli asinxron dvigatel mexanizmning yuklanish diagrammasi - Page 2")
![an eykni hosil qiladi. ih =184,1a k i_= i1h bu erda, k- stator chulg’amlarini ulanish sxemasini hisobga oluvchi koeffitsient:k= 0,82 yulduz shaklida, k= 1,23 uchburchak shaklida. o’zgarmas tok kuchlanishi: u= ki1h r1 ekvivalent o’zgaruvchan tok; ie = i_/k=224,5 a dinamik tormozlashdagi kritik sirpanish quyidagicha hisoblanadi = (62,8+(-57))/62,8=0,09 dinamik tormozlashdagi mexanik xarakteristikalar ham kloss tenglamasi yordamida hisoblanadi m=2 mmax/(s/skd+ skd/s)= 2*4335/(0,09/0,1+0,1/0,09)=4311 [n*m] =62,8*0,1=6,3 [rad/sek] adni dinamik tormozlash sxemasi va xarateristikalari. elektr yuritmani reostatli ishga tushirishdagi o’tkinchi jarayonlarni hisoblash. elektr yuritmani ishga tushirishda aylanish tezligi, tok va moment vaqtga bog’liq ravishda o’zgaradi. ω = f(t), i = f(t), m=f(t) bog’lanishlarni differentsial tenglamalarni echib hosil qilish mumkin: elektr yuritmani harakati tenglamasi m = cj; m = mc + j(dω/dt); yakor zanjirining turgunlik tenglamasi u = cω + jr; tezlik tenglamasi ωc = ω + tm (dω/dt) bu tenglamalarni echimi o’tkinchi jarayondagi tezlik, tok va momrnt tenglamalarini beradi: =1707(1-)+1724=1713 n*m bu erda,- tezlik, tok …](/media/previews/pages/preview_XnM3Y4N.webp "faza ro'torli asinxron dvigatel mexanizmning yuklanish diagrammasi - Page 3")
About "faza ro'torli asinxron dvigatel mexanizmning yuklanish diagrammasi"
andijon mashinasozlik instituti elektro’texnika fakulteti e.e.e. yo’ nalishi k23_20 guruhi 3-kurs talabasi g’aniyev muhammadjonning elektr yuritma asoslari fanidan tayyorlagan kurs loyihasining taqdimot materiali andijon mashinasozlik instituti elektrotexnika fakulteti e.e.e. yo’ nalishi k23_20 guruhi 3-kurs talabasi g’aniyev muhammadjonning elektr yuritma asoslari fanidan tayyorlagan kurs loyihasining taqdimot materiali variant-b39 faza ro’torli asinxron dvigatel mexanizm ish rejimi: qisqa uzatm 2 pogónali reduktor 1.dvigatel tanlash. 2.adni teskari ulab tormozlash. 3.adni elektrodinamik tormizlash. 4.xulosa. 5.foydalangan adabiyotlar. reja: mexanizmni yuklanish diagrammasi. ishchi mexanizmning yuklanish diagrammasi mc = f(t) ni 1-jadval kattaliklari bo’yicha quriladi. dvigatel tanlash. m...
This file contains 22 pages in PPTX format (4.1 MB). To download "faza ro'torli asinxron dvigatel mexanizmning yuklanish diagrammasi", click the Telegram button on the left.
PPTX
PPTX
DOC
DOCX
PPTX
PPTX
PPTX
PPTX
DOCX
PPTX
PPTX
PPTX