Bajarilgan ish bo`yicha xisobot
Xisobotda q`uyidagilar keltiriladi:
1) ishni bajarishdan maqsad;
2) grafika buyruklarini ishga tushirish;
3) Ikki o`lchovli grafika tartibi;
4) Uch ukhovli grafika tartibi;
5) Nazorat to’shiriqlarini bajarish
6) bajarilgan ish bo`yicha asosiy xulosalar.
5 – Laboratoriya mashg`uloti
SCADA sistemasidagi jarayonlarni tekshirish
Ishning maksadi: SCADA sistemasidagi jarayonlarni tekshirishni o`rganish
SCADA sistemasidagi jarayonlarni tekshirish
1. Simulink ni ishga tushuring va System paketii ochib (1-rasm) uning bo’limlari bilan tanishing.
Sim ‘owers
1-rasm. Sim ‘owers System paketii
2. Elektr energiyasi manbalari Electrical Sources bibliotekasini oching (2-rasm).
2-rasm. Elektr energiyasi manbalari Electrical Sources
O’zgaruvchan kuchlanish manbasi AC Voltage Source bloki va uning sozlash oynasini (4–rasm) oching, unda o’zgaruvchan kuchlanishning am’litudasi, boshlang’ich fazasi va chastotasining qiymatlarini o’rnating. Measurements maydonida Multimeter bloki yordamida kuzatish va o’lchash uchun kuchlanishni (Voltage) belgilang (3-rasm).
3-rasm. AC Voltage Source bloki va uning sozlash oynasi
3. Elements bibliotekasini oching (4-rasm) va undagi ‘assiv elementlar hamda ularning ‘arametrlari bilan tanishing.
4-rasm. ‘assiv elementlar bibliotekasi Elements
Uch fazali ikki cho’lg’amli transformatorning (Three-’hase Transformer) ‘arametrlarini sozlash oynasini (5–rasm) oching. Sozlash oynasida transformatorning nominal quvvati va chastotasi (Nominal ‘ower and frequency), birlamchi va ikkilamchi cho’lg’amlarning ‘arametrlari (Winding ‘arameters), birlamchi va ikkilamchi cho’lg’amlarning ulanish sxemalari ( Winding 1 (ABC) Connection, Winding 2 (abc) Connection) va boshqa ‘arametrlarini o’zgartiring. Transformatorning to’yinishini hisobga olish imkonini beradidigan Suturable Core bayroqchasini belgilang va solash oynasida qanday o’zgarish yuz berganligini kuzating.
5-rasm. Uch fazali ikki cho’lg’amli transformatorning (Three-’hase Transformer) ‘arametrlarini sozlash oynasi
4. Sim ‘owers System bibliotekasi modellarining kirish va chiqishlarini o’zaro bog’lovchi bloklar (Connector) bibliotekasini oching (6-rasm) va undagi elementlar bilan tanishib chiqing.
6-rasm. Connector bibliotekasi
5. Kuchlanish manbalari, qarshiliklar, yerga ulagich, kuchlanish o’lchagichlar? Sco’e bloklari va Neutral bloklarini o’z ichiga oluvchi sxemani yig’ing (7-rasm). Sxema elementlarining ‘arametrlarini o’rnating. Neutral bloklari yordamida sxemaning turli joylaridagi ikki nuqtani liniyani chizmasdan bog’langanligiga hamda uning e’tibor bering tartib raqami 0 bo’lsa u yer bilan bog’lanish hosil qilishiga e’tibor bering. Sxemani ishga tushuring va olingan natijalarni yozib oling.
7-rasm. Neutral blokidan foydalanishga misol
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