KIRISH....................................................................................................................5
I-BOB. “BUXORO TAʼMIRLASH MEXANIKA ZAVODI” QQNING BOSH REJASI VA TEXNOLOGIK QURILMALARDAGI MAVJUD O„ZGARUVCHAN TOK ELEKTR YURITMALAR TAHLILI...................11
1.1. Avtonom kuchlanish invertorli va boshqariluvchan to‗g‗rilagichli chastota o‗zgartirgichlar....................................................................................................... 11
1.2. Kuchlanish avtonom invertori va keng-impulsli modulyasiyali chastota o‗zgartirgich............................................................................................................13
1.3 Kuchlanish avtonom invertorli va keng-impulsli modulyasiya vektorli chastota o‗zgartirgichlar 19
1.4.Tok bilan boshqariladigan avtonom invertorli chastota o‗zgartirgich 25
II-BOB. STATORDAGI KUCHLANISH CHASTOTASINI O„ZGARTIRISH ORQALI O„ZGARUVCHAN TOK ELEKTR YURITMA TEZLIGINI ROSTLASH TAMOYILLARI ............................................................................ 33
2.1. Asinxron motorli elektr yuritma tezligini U/f- rostlash..........................................33
2.2. Asinxron motorli elektr yuritmani vektorli boshqarish .................................. 39
2.3. Asinxron motor momentini to‗g‗ridan to‗g‗ri boshqarish ............................... 42
2.4. O‗zgaruvchan tok elektr yuritma tezligini aniqlash ......................................... 46
III-BOB. STATORDAGI KUCHLANISH CHASTOTASINI O„ZGARTIRISH ORQALI O„ZGARUVCHAN TOK ELEKTR YURITMA TEZLIGINI ROSTLASH TIZIMLARI ............................................................. 50
3.1. Statordagi oqim ilashuvi doimiy bo‗lgan holatdagi asinxron motorli elektr yuritmaning tezlik bo‗yicha yopiq rostlash tizimi .................................................. 50
3.2. Rotordagi oqim ilashuvi domiy bo‗lgan holdagi asinxron motorli elektr yuritmaning tezlik bo‗yicha yopiq rostlash tizimi...................................................54
3.3. Asinxron motorni vektorli boshqarishda va oqim modeli bo‗yicha rotor oqim ilashuvini aniqlashda elektr yuritma tezligini rostlash tizimi 61
3.4. Ventil motorli elektr yuritmani boshqarish tizimi 70
XULOSA ................................................................................................................ 77
Foydalanilgan adabiyotlar: ............................................................................... ..80
ILOVALAR............................................................................................................86
