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n_D^pr=α_aylV_p^pr µ_p ^pr D_k^ayl n_D^ayl/(α^pr V_p^ayl µ_p ^ayl D_K^pr); (9)


n_D^pr= µ_p ^pr n_D^ayl/ µ_p ^ayl


To‘liq maydon PP: µ_p ^pr = µ_p ^ayl

n_D^pr=748,2 min^-1 ;

n_D^pr=599,8 min^-1 ;
n_D^pr=477,8 min^-1 ;
n_D^pr=382,2 min^-1 ;
n_D^pr=313 min^-1 ;
n_D^pr=270,2 min^-1 ;
n_D^pr=253,8 min^-1 ;
n_D^pr=263,8 min^-1 ;


Kuchsizlangan maydon OP1:

n_D^pr=1025 min^-1 ;

n_D^pr=815 min^-1 ;
n_D^pr=649 min^-1 ;
n_D^pr=527 min^-1 ;
n_D^pr=449 min^-1 ;
n_D^pr=415 min^-1 ;
n_D^pr=425 min^-1 ;
n_D^pr=479 min^-1 ;


Kuchsizlangan maydon OP2:

n_D^pr=1456 min^-1 ;

n_D^pr=1132,5 min^-1 ;
n_D^pr=882 min^-1 ;
n_D^pr=704,5 min^-1 ;
n_D^pr=600 min^-1 ;
n_D^pr=568,5 min^-1 ;
n_D^pr=610 min^-1 ;
n_D^pr=724,5 min^-1 ;


M_D^pr=α_pr P_D^pr n_D^ayl M_D^ayl/(α_ayl P_d^ayln_D^pr) µ_p ^pr; (10)


M_D^pr= P_D^pr n_D^ayl M_D^ayl µ_p ^ayl/ P_d^ayl n_D^pr µ_p ^pr
I_D^pr=P_D^prI_D^ayl/P_D^ayl (11)

SHunday qilib, loyihadagi teplovoz elektrodvigatelining elektromexanik xarakteristikasi quyidagicha tuziladi: n_D^np=f(I_D) va M_D^np=f(I_D). Ular quyidagi tartibda navbatma-navbat amalga oshiriladi.

1. 
   namunadagi teplovoz yuk tortish dvigateli tokining bir necha ko‘rsatkichlari qo‘yiladi. I_D^ayl.
   
2. 
   namunadagi teplovoz yuk tortish elektrodvigatelining elektromexanik xarakteristikasi bo‘yicha qabul qilingan I_d^ayl uchun n_D^np=f(I_D) va M_D^np=f(I_d)tanlanadi.
   
3. 
   Berilgan I_D^ayl ko‘rsatkich uchun 9, 10, 11 tenglamalardan foydalangan holda I_D^pr M_D^pr n_D^pr lar aniqlanadi.
   
4. 
   yuk tortuvchi elektrodvigatel yakorining aylanish chastotasi ish diapazoni va uchchala ish rejimi uchun operatsiyalar bajariladi.
   

Yuqorida keltirilgan uslubning qo‘llanilishi bo‘yicha misol keltiramiz:
I_D^ayl=600A; α_pr=α_ayl; V_p^pr=24,2km/s; P_D^pr=312,3kVt; µ_p^pr=2,89; D_K^pr=D_K^ayl=1,05mm; µ_p ^ayl=2,89; V_p^ayl=24,2km/s; P_D^ayl=307kVt.
Bundan kelib chiqadiki:
n_D^pr= n_D^ayl
M_D^pr=312,3 M_D^ayl /307=1,017*M_D^ayl
I_D^pr = 312,3 I_D^ayl /307= 1,017 I_D^ayl

To‘liq maydon PP:

M_D^ayl = 3,9 kN·m; bo‘lganda M_D^pr = 1,017·3,9 =3,97 kN·m;
M_D^ayl = 4,86 kN·m; bo‘lganda M_D^pr = 1,017·4,86 =4,94 kN·m;
M_D^ayl = 6,1 kN·m; bo‘lganda M_D^pr = 1,017·6,1 =6,2 kN·m;
M_D^ayl = 7,631 kN·m; bo‘lganda M_D^pr = 1,017·7,631 =7,76 kN·m;
M_D^ayl = 9,32 kN·m; bo‘lganda M_D^pr = 1,017·9,32 =9,5 kN·m;
M_D^ayl = 10,8 kN·m; bo‘lganda M_D^pr = 1,017·10,8 =10,98 kN·m;
M_D^ayl = 11,5 kN·m; bo‘lganda M_D^pr = 1,017·11,5 =11,7 kN·m;
M_D^ayl = 11,056 kN·m; bo‘lganda M_D^pr = 1,017·11,056 =11,24 kN·m;

Kuchsizlangan maydon OP1:

M_D^ayl = 2,845 kN·m; bo‘lganda M_D^pr = 1,017·2,845 =2,9 kN·m;
M_D^ayl = 3,6 kN·m; bo‘lganda M_D^pr = 1,017·3,6 =3,66 kN·m;
M_D^ayl = 4,5 kN·m; bo‘lganda M_D^pr = 1,017·4,5 =4,6 kN·m;
M_D^ayl = 5,534 kN·m; bo‘lganda M_D^pr = 1,017·5,534 =5,63 kN·m;
M_D^ayl = 6,5 kN·m; bo‘lganda M_D^pr = 1,017·6,5 =6,61 kN·m;
M_D^ayl = 7,03 kN·m; bo‘lganda M_D^pr = 1,017·7,03 =7,15 kN·m;
M_D^ayl = 6,86 kN·m; bo‘lganda M_D^pr = 1,017·6,86 =6,98 kN·m;
M_D^ayl = 6,089 kN·m; bo‘lganda M_D^pr = 1,017·6,089 =6,19 kN·m;

Kuchsizlangan maydon OP2:

M_D^ayl = 2,0031kN·m; bo‘lganda M_D^pr = 1,017·2,0031 =2,04 kN·m;
M_D^ayl = 2,56 kN·m; bo‘lganda M_D^pr = 1,017·2,56 =2,6 kN·m;
M_D^ayl = 3,31 kN·m; bo‘lganda M_D^pr = 1,017·3,31 =3,36 kN·m;
M_D^ayl = 4,14 kN·m; bo‘lganda M_D^pr = 1,017·4,14 =4,21 kN·m;
M_D^ayl = 4,861 kN·m; bo‘lganda M_D^pr = 1,017·4,861 =4,94 kN·m;
M_D^ayl = 5,13 kN·m; bo‘lganda M_D^pr = 1,017·5,13 =5,22 kN·m;
M_D^ayl = 4,78 kN·m; bo‘lganda M_D^pr = 1,017·4,78 =4,86 kN·m;
M_D^ayl = 4,03 kN·m; bo‘lganda M_D^pr = 1,017·4,03 =4,1 kN·m;


I_D^ayl = 600 А; I_D^pr = 1,017·600 =610,2 А.
I_D^ayl = 700 А; I_D^pr = 1,017·700 =711,9 А.
I_D^ayl = 800 А; I_D^pr = 1,017·800 =813,6 А.
I_D^ayl = 900 А; I_D^pr = 1,017·900 =915,3 А.
I_D^ayl = 1000 А; I_D^pr = 1,017·1000 =1017 А.
I_D^ayl = 1100 А; I_D^pr = 1,017·1100 =1118,7 А.
I_D^ayl = 1200 А; I_D^pr = 1,017·1200 =1220,4 А.
I_D^ayl = 1300 А; I_D^pr = 1,017·1300 =1322,1 А.

Ko‘rib chiqilayotgan misol uchun loyihalashtirilayotgan teplovozning elektromexanik xarakteristikasi 2-rasmda berilgan.

5. Yuk tortuvchi elektrodvigatelning yuk tortish xarakteristikasini hisob-kitob qilish.
Elektr yuk tortish xarakteristikasining hisob-kitobini F_D^pr=f(I_D) va V_D^pr=f(I_D) quyidagi tartibda navbatma-nabat amalga oshiramiz. Bunda F_D va V_D tegishli ravishda yuk tortish kuchi va loyihalashtirilayotgan teplovozning bitta g‘ildirak motor blokining tezligini bildiradi.
a) tuzilgan elektromexanik xarakteristikadan kelib chiqib dvigatelning barcha ish rejimlari (TM, KM1, KM2) uchun yuk tortish elektrodvigatel tokining (I_d) bir necha qiymatlarini belgilaymiz va tegishli ravishda M_D^pr va n_D^pr larni aniqlaymiz;
b) M_D va n_D larning tKMilgan qiymatlari uchun yuk tortish kuchi va tezligini quyidagi formulalar yordamida hisoblab tKMamiz:
F_D=2 μ_р^aylM_D^prη_zp /D_K; (12)
V_D = 60π D_К n_D^pr / 1000μ_р^pr (13)
Hisob–kitobni tok kattaligi I_D^ayl =600A uchun amalga oshiramiz:
To‘liq maydon PP: F_D^pr =2μ_р^aylM_D^prη_zp /D_K;
M_D^pr =3,97kN·m; F_D1^pr = 2·2,89·3,97·0,975 / 1,05 = 21,31 kN;
M_D^pr =4,94kN·m; F_D1^pr = 2·2,89·4,94·0,975 / 1,05 = 26,5 kN;
M_D^pr =6,2 kN·m; F_D1^pr = 2·2,89·6,2·0,975 / 1,05 = 33,3 kN;
M_D^pr =7,76 kN·m; F_D1^pr = 2·2,89·7,76·0,975 / 1,05 = 41,65 kN;
M_D^pr =9,5 kN·m; F_D1^pr = 2·2,89·9,5·0,975 / 1,05 = 51 kN;
M_D^pr =10,98 kN·m; F_D1^pr = 2·2,89·10,98·0,975 / 1,05 = 58,93 kN;
M_D^pr =11,7 kN·m; F_D1^pr = 2·2,89·11,7·0,975 / 1,05 = 62,8 kN;
M_D^pr =11,24 kN·m; F_D1^pr = 2·2,89·11,24·0,975 / 1,05 = 60,3 kN.

Kuchsizlangan maydon OP1:

M_D^pr =2,9 kN·m; F_D2^pr = 2·2,89·2,9·0,975 / 1,05 = 15,56 kN;
M_D^pr =3,66 kN·m; F_D2^pr = 2·2,89·3,66·0,975 / 1,05 = 19,64 kN;
M_D^pr =4,6 kN·m; F_D2^pr = 2·2,89·4,6·0,975 / 1,05 = 24,7 kN;
M_D^pr =5,63 kN·m; F_D2^pr = 2·2,89·5,63·0,975 / 1,05 = 30,2 kN;
M_D^pr =6,61 kN·m; F_D2^pr = 2·2,89·6,61·0,975 / 1,05 = 35,5 kN;
M_D^pr =7,15 kN·m; F_D2^pr = 2·2,89·7,15·0,975 / 1,05 = 38,4 kN;
M_D^pr =6,98 kN·m; F_D2^pr = 2·2,89·6,98·0,975 / 1,05 = 37,46 kN;
M_D^pr =6,19 kN·m; F_D2^pr = 2·2,89·6,19·0,975 / 1,05 = 33,22 kN.

Kuchsizlangan maydon OP2:

M_D^pr =2,04 kN·m; F_D3^pr = 2·2,89·2,04·0,975 / 1,05 = 10,95 kN;
M_D^pr =2,6 kN·m; F_D3^pr = 2·2,89·2,6·0,975 / 1,05 = 13,95 kN;
M_D^pr =3,36 kN·m; F_D3^pr = 2·2,89·3,36·0,975 / 1,05 = 18,03 kN;
M_D^pr =4,21 kN·m; F_D3^pr = 2·2,89·4,21·0,975 / 1,05 = 22,6 kN;
M_D^pr =4,94 kN·m; F_D3^pr = 2·2,89·4,94·0,975 / 1,05 = 26,5 kN;
M_D^pr =5,22 kN·m; F_D3^pr = 2·2,89·5,22·0,975 / 1,05 = 28,02 kN;
M_D^pr =4,86 kN·m; F_D3^pr = 2·2,89·4,86·0,975 / 1,05 = 26,08 kN;
M_D^pr =4,1 kN·m; F_D3^pr = 2·2,89·4,1·0,975 / 1,05 = 22 kN.

To‘liq maydon PP: V_D = 60π D_К n_D^pr / 1000μ_р^pr

n_D^pr = 748,2 min^-1; V_D1^pr = 60·3,14·1,05·748,2 / 1000·2,89= 51,2 km/s;
n_D^pr = 599,8 min^-1; V_D1^pr = 60·3,14·1,05·599,8 / 1000·2,89= 41,05 km/s;
n_D^pr = 477,8 min^-1; V_D1^pr = 60·3,14·1,05·477,8 / 1000·2,89= 32,7 km/s;
n_D^pr = 382,2 min^-1; V_D1^pr = 60·3,14·1,05·382,2 / 1000·2,89= 26,16 km/s;
n_D^pr = 313 min^-1; V_D1^pr = 60·3,14·1,05·313 / 1000·2,89= 21,42 km/s;
n_D^pr = 270,2 min^-1; V_D1^pr = 60·3,14·1,05·270,2 / 1000·2,89= 18,5 km/s;
n_D^pr = 253,8 min^-1; V_D1^pr = 60·3,14·1,05·253,8 / 1000·2,89= 17,37 km/s;
n_D^pr = 263,8 min^-1; V_D1^pr = 60·3,14·1,05·263,8/ 1000·2,89= 18,06 km/s.

Kuchsizliangan maydon OP1:

n_D^pr = 1025 min^-1; V_D2^pr = 60·3,14·1,05·1025 /1000·2,89= 70,16 km/s;
n_D^pr = 815 min^-1; V_D2^pr = 60·3,14·1,05·815/1000·2,89= 55,8 km/s;
n_D^pr = 649 min^-1; V_D2^pr = 60·3,14·1,05·649 /1000·2,89= 44,42 km/s;
n_D^pr =527 min^-1; V_D2^pr = 60·3,14·1,05·527/1000·2,89= 36,07 km/s;
n_D^pr = 449 min^-1; V_D2^pr = 60·3,14·1,05·449 /1000·2,89= 30,73 km/s;
n_D^pr = 415 min^-1; V_D2^pr = 60·3,14·1,05·415 /1000·2,89= 28,4 km/s;
n_D^pr = 425 min^-1; V_D2^pr = 60·3,14·1,05·425 /1000·2,89= 29,1 km/s;
n_D^pr = 479 min^-1; V_D2^pr = 60·3,14·1,05·479 /1000·2,89= 32,8 km/s.

Kuchsizliangan maydon OP2:

n_D^pr =1456 min^-1; V_D3^pr = 60·3,14·1,05·1456/1000·2,89= 99,66 km/s;
n_D^pr =1132,5min^-1; V_D3^pr =60·3,14·1,05·1132,5 /1000·2,89= 77,52 km/s;
n_D^pr =882 min^-1; V_D3^pr =60·3,14·1,05·882/1000·2,89= 60,37 km/s;
n_D^pr =704,5 min^-1; V_D3^pr =60·3,14·1,05·704,5/1000·2,89= 48,22 km/s;
n_D^pr = 600 min^-1; V_D3^pr = 60·3,14·1,05·600 / 1000·2,89= 41,07 km/s;
n_D^pr = 568,5 min^-1; V_D3^pr = 60·3,14·1,05·568,5 / 1000·2,89= 38,91 km/s;
n_D^pr = 610 min^-1; V_D3^pr = 60·3,14·1,05·610 / 1000·2,89= 41,75 km/s;
n_D^pr = 724,5 min^-1; V_D3^pr = 60·3,14·1,05·724,5/ 1000·2,89= 49,6 km/s.

Xuddi shunday hisob-kitob 600 A dan 1300 A gacha bo‘lgan diapozonda (oraliqda) har 100 A da amalga oshiriladi.

Yuk tortuvchi elektrodvigatelning barcha ish rejimlari uchun olingan hisob-kitoblarning natijalari 5-jadvalga jamlanadi. Hisob-kitoblar natijalari bo‘yicha 2-rasmda keltirilganidek bog‘liqlik tuzilib chiqiladi F_D^pr=f(I_D) va V_D^pr=f(I_D).
Yuk tortuvchi elektrodvigatelning elektr yuk tortish va elektrmexanik hisob-kitoblarini rasmiylashtirish uchun tavsiya etiladigan jadvalning tuzilishi 5-jadvalda keltirilgan.


5-jadval