IKKI TOMONLAMA TA’MINLANADIGAN ASINXRON GENERATOR ASOSIDAGI SHAMOL ENERGETIKA TIZIMINI MATEMATIK MODELLASHTIRISH VA VEKTORLI BOSHQARISHNI TADQIQ ETISH
DOI:
https://doi.org/10.5281/zenodo.22488667Abstract
Maqolada nominal quvvati 2 MW bo‘lgan ikki tomonlama ta’minlanadigan asinxron generator (ITTAG) asosidagi
tarmoqqa ulangan shamol energetika tizimini matematik modellashtirish, boshqarish va dinamik xususiyatlarini
tadqiq etish masalalari ko‘rib chiqilgan. Tadqiqotning asosiy maqsadi shamol tezligi o‘zgarganda shamol oqimining kinetik
energiyasini elektr energiyasiga samarali o‘zgartirishni ta’minlaydigan o‘zgaruvchan aylanish tezligiga ega shamol energetika
qurilmasining modelini ishlab chiqish va tahlil qilishdan iborat. Tadqiqot uchun shamol turbinasining aerodinamik
qismi va ITTAG elektr mashinasining tizimdagi elektromagnit hamda mexanik jarayonlarni hisobga oluvchi matematik
model ishlab chiqilgan. Taklif etilgan tizimni modellashtirish va tadqiq etish MATLAB/Simulink dasturiy muhitida amalga
oshirilgan. Tizim samaradorligini tahlil qilish uchun shamol tezligining 7–12 m/s oralig‘ida o‘zgarish rejimi ko‘rib chiqilgan.
Modellashtirish natijalari rotor aylanish tezligining shamol tezligi o‘zgarishiga mos ravishda barqaror o‘zgarishini,
shuningdek, stator va rotor toklarining barqaror hamda sinusoidal shaklga yaqinligini ko‘rsatdi. Shamol tezligi 12 m/s
bo‘lganda stator toki amplitudasi taxminan ±2411 A, effektiv (ta’sir etuvchi) qiymati 1705 A ga erishgan. Elektr energiyasi
sifatini tahlil qilish stator toki umumiy garmonik buzilishlar koeffitsiyenti (THD) 0,68 % ekanligini ko‘rsatdi. Olingan natijalar
shamol tezligining berilgan diapazonida tizimning barqaror ishlashini va stator toki garmonik buzilishlarining past darajasini
ko‘rsatadi
Keywords
ikki tomonlama ta’minlanadigan asinxron generator, shamol turbinasi, shamol energetika tizimi, MATLAB/ Simulink, matematik modellashtirish, vektorli boshqaruv, rotor tomonidagi o‘zgartirgich, tarmoq tomonidagi o‘zgartirgich.References
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