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AVTOTRANSFORMATORLARNING TEXNIK HOLATINI BAHOLASH UCHUN TRANSFORMATOR MOYINING FIZIK-KIMYOVIY TAHLILI ASOSIDA IMITATSION MODEL ISHLAB CHIQISH

Fan yo'nalishi:Hisoblash nazariyasi va matematika
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MAQOLA ANNOTATSIYASI

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Ushbu maqolada kuch avtotransformatorlarining texnik holatini baholash uchun transformator moyining fizik-kimyoviy xususiyatlariga asoslangan keng qamrovli simulyatsion model ishlab chiqilgan va amaliyotga tatbiq etilgan. Model izolyatsiya eskirishi va moyning degradatsiya jarayonini aks ettiruvchi asosiy diagnostik ko‘rsatkichlar – kislotalilik soni, namlik miqdori, dielektrik yo‘qotish tangensi hamda fazalararo taranglik kabi parametrlarni o‘z ichiga oladi. MATLAB dasturining Fuzzy Logic Toolbox muhiti asosida yaratilgan model “AGAR–UNDA” (IF–THEN) mantiqiy qoidalar tizimiga tayangan holda ushbu parametrlar bilan transformatorning texnik holat indeksi (HI) o‘rtasidagi noxatolik va o‘zaro bog‘liqliklarni tavsiflaydi. Ushbu intellektual tizim noaniq va to‘liq bo‘lmagan ma’lumotlarni aniq diagnostik xulosalarga aylantirish imkonini berib, transformator holatini monitoring qilishda qaror qabul qilish sifatini oshiradi. Ishlab chiqilgan yondashuv izolyatsiyaning eskirishi, issiqlik yuklanishi va ifloslanish jarayonlarini uzluksiz baholash, erta nosozliklarni aniqlash hamda prognozli texnik xizmatni ta’minlash imkonini beradi. Umuman olganda, model zamonaviy elektr energetika tizimlarida avtotransformatorlarning ishonchliligi, xavfsizligi va samaradorligini oshirishga xizmat qiladi

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