Keywords
Abstract
Ushbu maqolada elektr energiya tizimida nosimmetrik qisqa tutashuvlarning kelib chiqish sabablari, ularning tizimga ta’siri va bartaraf etish usullari tahlil qilinadi. Nosimmetrik qisqa tutashuvlar — fazalar orasidagi yoki faza va yer orasidagi oqimlarning muvozanatsizligi natijasida yuzaga keladigan elektr hodisalar bo‘lib, ular transformatorlar, generatorlar, uzatish liniyalari va boshqa asosiy qurilmalarning ishlashiga salbiy ta’sir ko‘rsatadi. Bunday holatlar tizimning barqarorligini pasaytiradi, energiya yo‘qotishlarni oshiradi va favqulodda holatlarni keltirib chiqarishi mumkin. Maqolada zamonaviy himoya vositalari, jumladan, raqamli relalar, avtomatik izolyatsiya tizimlari va tezkor monitoring usullari yordamida nosimmetrik qisqa tutashuvlarni aniqlash, tahlil qilish va bartaraf etish strategiyalari ko‘rib chiqiladi. Shuningdek, maqolada tizimdagi nosimmetrik oqimlarni modellashtirish, ularning dinamik xatti-harakatlarini baholash va xavfsiz elektr ta’minotini ta’minlash bo‘yicha nazariy va amaliy tavsiyalar taqdim etiladi. Ushbu tadqiqot natijalari elektr energiya tizimining barqarorligini oshirish, nosimmetrik qisqa tutashuvlardan keladigan zararlarni kamaytirish va zamonaviy energetika infratuzilmasini samarali boshqarish imkoniyatlarini ko‘rsatadi.
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