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M_d^ayl=9,5P_d^ayl (4)
Topilgan bog‘liqlik M_d^ayl=f(I_d) va n_d^ayl=f(I_d) namunadagi teplovoz yuk tortish elektrodvigatelining elektromexanik xarakteristikasidir.
Agarda maydonning kuchsizlanish koeffitsienti teplovoz namuna bilan bir xil deb qabul qilinsa loyihalashtirilayotgan teplovoz quvvati va reduktorning uzatishlar soni namunadagi teplovozning xuddi shunday ko‘rsatkichlariga mos kelsa, unda olingan elektromexanik xarakteristikalarni qayta hisob-kitob qilmasdan loyihalashtirilayotgan teplovoz g‘ildirak–motor tizimining elektr yuk tortish xarakteristikasini tuzishda ishlatish mumkin.
Quyida n_d^ayl=f(I_d) va M_d^ayl=f(I_d) hisob-kitobi asosida yuk tortuvchi dvigatel toki I_d=800A regressiv koeffitsient tenglamasini n_d^ayl=AI²_d-BI_d+C qo‘llash usulini ko‘rib chiqamiz:
EDT-200B dvigateli uchun 2-jadval bo‘yicha regressiya koeffitsienti quyidagicha:
To‘liq maydon
A=2.93•10^-3; B=7.43; C=4810;
Kuchsizlanishning birinchi darajasi OP1:
A=4.74•10^-3; B=11.71; C=7503;
Kuchsizlanishning ikkinchi darajasi OP2:
A=5.95•10^-3; B=15.37; C=10296.
Id=600A tok qiymati uchun quyidagilarni olamiz:

To‘liq maydon PP:

n_D^ayl = 2.93·10^-3·600² – 7.43·600 + 4810 = 1406.8 min^-1;
n_D^ayl = 2.93·10^-3·700² – 7.43·700 + 4810 = 1044.7 min^-1 ;
n_D^ayl = 2.93·10^-3·800² – 7.43·800 + 4810 = 741.2 min^-1 ;
n_D^ayl = 2.93·10^-3·900² – 7.43·900 + 4810 = 496.3 min^-1 ;
n_D^ayl = 2.93·10^-3·1000² – 7.43·1000 + 4810 = 310 min^-1 ;
n_D^ayl = 2.93·10^-3·1100² – 7.43·1100 + 4810 = 182.3 min^-1 ;
n_D^ayl = 2.93·10^-3·1200² – 7.43·1200 + 4810 = 113.2 min^-1 ;
n_D^ayl = 2.93·10^-3·1300² – 7.43·1300 + 4810 = 102.7 min^-1 ;

Kuchsizlangan maydon OP1:

n_D^ayl = 4.74·10^-3·600² – 11.71·600 + 7503 = 2183.4 min^-1 ;

n_D^ayl = 4.74·10^-3·700² – 11.71·700 + 7503 = 1628.6 min^-1 ;
n_D^ayl = 4.74·10^-3·800² – 11.71·800 + 7503 = 1168.6 min^-1 ;
n_D^ayl = 4.74·10^-3·900² – 11.71·900 + 7503 = 803.4 min^-1 ;
n_D^ayl = 4.74·10^-3·1000² – 11.71·1000 + 7503 = 533 min^-1 ;
n_D^ayl = 4.74·10^-3·1100² – 11.71·1100 + 7503 = 357.4 min^-1 ;
n_D^ayl = 4.74·10^-3·1200² – 11.71·1200 + 7503 = 276.6 min^-1 ;
n_D^ayl = 4.74·10^-3·1300² – 11.71•1300 + 7503 = 290.6 min^-1 ;

Kuchsizlangan maydon OP2:

n_d^ayl = 5.95·10^-3·600² - 15.37·600 + 10296 = 3216 min^-1 ;

n_d^ayl = 5.95·10^-3·700² - 15.37·700 + 10296 = 2452.5 min^-1 ;
n_d^ayl = 5.95·10^-3·800² - 15.37·800 + 10296 = 1808 min^-1 ;
n_d^ayl = 5.95·10^-3·900² - 15.37·900 + 10296 = 1282.5 min^-1 ;
n_d^ayl = 5.95·10^-3·1000² - 15.37·1000 + 10296 = 876 min^-1 ;
n_d^ayl = 5.95·10^-3·1100² - 15.37·1100 + 10296 = 588.5 min^-1 ;
n_d^ayl = 5.95·10^-3·1200² - 15.37·1200 + 10296 = 420 min^-1 ;
n_d^ayl = 5.95·10^-3·1300² - 15.37·1300 + 10296 =370.5 min^-1 ;

Aylanuvchi vaziyat (4) formula yordamida aniqlanadi: