III. Ishni bajarish tartibi:
TO‘ – M tizimini ishlash prinsipini o‘rganish.
TO‘ – M DT orqali, EHMga programma tuzish.
Olingan natijalarni tahlil qilib, O‘J grafigini qurish.
5 jadval
-
№
|
Berilgan kattaliklar ko‘rinishi
|
Tenglamadagi ko‘rinishi
|
Dasturdagi ko‘rinishi
|
1
|
kr
|
KR
|
2
|
Tr
|
TR
|
3
|
Ta
|
TA
|
4
|
Tm
|
TM
|
5
|
R0
|
RO
|
6
|
Ic
|
IC
|
7
|
U0
|
UO
|
8
|
ky
|
KY
|
9
|
T0
|
TO
|
10
|
h
|
H
|
10 REM "Laboratoriya ishi 5"
20 PRINT "Tiristorli o‘zgartkich- motor "
30 PRINT " tizimida o‘tkinchi jarayonlarni tekshirish"
40 KP=17: TP=.11:TA =.21: TM = .4865: R0 = .047: IC = 0
50 U0 = 17.5: KY = 18.2: T0 = .1: H = .0001
60 FOR K = 0 TO 350 STEP 50
70 NEXT K
80 CLS
90 SCREEN 9
100 T = T + H
110 IF T < T0 THEN 140
120 K1 = 1: K2 = 0
130 GOTO 150
140 K1 = 0: K2 = 1
150 UY = KY * K1 + U0 * K2
160 DE = (UY * KP - EP) / TP
165 DM = (I - 100 * R0) / TM
170 DI = (EP - ED - I) / TA
180 EP = EP + DE * H
190 I = I + DI * H
200 ED = ED + DM * H
210 IF T < .1 THEN 60
220 D = D + 1
230 IF D < 1000 GOTO 310
240 PRINT "EP="; EP, " I="; I, "ED="; ED, "T="; T
250 D = 0
260 PSET (EP * 1, T * 150), 1
270 PSET (ED * 1, T * 150), 1
280 PSET (I * 1, T * 150), 1
290 LINE (0, 200)-(0, 200), 1
300 LINE (0, 0)-(0, 400), 1
310 IF T < 4 THEN 100
320 T = 0
330 END
7,8 -Laboratoriya ishi
EMK-G-M TIZIMIDAGI STATIK TAFSIFLARINI TADQIQ QILISH
Tajriba ishida elektr mashinalik kuchaytirgichli generator-motor tizimining tafsiflari o‘rganiladi
Ishni maqsadi: Tizimning tashkil qiluvchi elementlarning uzatish koeffitsientlarini topish va statik tafsiflarini hisoblangan tafsiflari bilan taqqoslash.
Ish dasturi
1. Tizimning elektr jixozlari bilan tanishish va ularning pasport ma’lumotlarini yozib olish
2. Elektr mashina kuchaytirgichni tafsiflarini olish uchun sxemani yyog‘ish.
3. Elektr mashina kuchaytirgichni(EMK) salt yurishini tafsifini ( )
4. Generatorni salt yurishini tfsifiniolish uchun sxemani yeg‘ish, generator qo‘g‘atish cho‘lg‘amini elektr mashina kuchaytirgich orqali ta’minlash.
5. Generatorni salt yurishini tafsifini qurish
6. Hisoblanib qurilsin::
a) EMKni uzatishkoeffitsienti
7. Po zadannoy skorosti i pasportnыm dannыm mashin opredelit:
a) tizimdagi motorni ideal salt yurishini tezligi,
b) generatorni kerak bo‘lgan kuchlanishi ( );
v) generatorning qo‘zg‘atish cho‘lg‘aminig kuchlanishi ( );
g) EMKni kerak bo‘lgan toki ( );
d)EMK va generatorning uzatish koeffitsientini ( , );
8. Ochiq tizim sxasini yeg‘ish;
9. EMKni hisoblangan toki qo‘yib motorning tezik tafsifini qurish ( );
10. Hisoblangan tafsifni tajribada olingan bilan taqqoslab hilosa chiqarish
Ris. 4. Razomknutaya sxema sistemы EMU-G-D.
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