LV Surge Masu Kama A Mataki da Walƙiya
Masu kamawa da ƙarfi akan walƙiya
Bayanin shigarwa
Shafin ya kunshi ofisoshi (kayan aikin komputa, hasken wuta, da na’urar dumama daki), gidan waya na tsaro (kararrawar wuta, kararrawa mai sata, kula da samun damar shiga, sanya ido ta bidiyo) da kuma gine-gine guda uku don aikin kere-kere a hekta 10 a cikin Yankin Avignon na Faransa (Yiwuwar walƙiya shine bugi 2 a kowace kilomita2 a kowace shekara).
LV Surge Masu Kama A Mataki da Walƙiya
Akwai bishiyoyi da sifofin ƙarfe (pylons) a kewayen wurin. Dukkanin gine-ginen an saka su da wutan lantarki. MV da LV wutar lantarki suna ƙarƙashin ƙasa.
Hoto 1 - Hoton girke-girke don masu kama mutane da yawa a cikin cascade
Matsalolin da aka ci karo dasu
Wata guguwa ta afkawa wurin, ta lalata shigar LV a cikin ofishin tsaro kuma ta haifar 36.5 kE na asarar aiki. Kasancewar masu tafiyar da walƙiya sun hana tsarin kamawa da wuta, amma kayan aikin wutar lantarki da aka lalata basu da kariya daga masu kamawa, sabanin shawarar da aka bayar a kan matsayin UTE C-15443 da IEC 62305.
Bayan nazarin abubuwan da suka shafi kayan aiki da na wutar lantarki, sannan bin diddigin girka wutan lantarki da duba kimar wayoyin duniya, yanke shawarar da aka yanke don sanya masu kama-karya.
An girka masu kamawa da ƙarfi a saman girkin (babban kwamitin rarraba LV) kuma a cikin kwandon shara a cikin kowane ginin masana'antu (duba hoto na 1 a sama). Kamar yadda haɗin tsaka tsaki ya kasance TNC, za a bayar da kariya ne kawai ta yanayin gama gari (tsakanin fasali da PEN).
Hoto 2 - Lowarancin masu kama da wuta
Hoto 2 - SPD Nau'in 2 da 3 - Kariyar ƙarfin cibiyar sadarwar ƙaruwa / wucewa
- In (8 / 20µs) daga 5 kA zuwa 60 kA
- Imax (8 / 20µs) daga 10 kA zuwa 100 kA
- Up daga 1 kV zuwa 2,5 kV
- Uc = 275V, 320V, 385V, 440V, 600V
- 1P zuwa 4P, 1 + 1 zuwa 3 + 1
- Monoblock da toshewa
- TT, TNS, IT
- Shawagi canzawa lamba
Daidaitawa tare da jagora Saukewa: C-15443 game da aiki a gaban masu tafiyar da walƙiya, halayen LSP (Arrester Electric) SPDs SLP40 da masu kamun ƙaruwa na FLP7 sune kamar haka:
- A saman kafuwa
In = 20 kA, Nimax = 50 kA, kup = 1,8 kV - A cikin kwandon shara (aƙalla a ƙalla mita 10)
In = 10 kA, Nimax = 20 kA, kup = 1,0 kV
A cikin jakar, ana ba da kyakkyawar kariya ga allon rarraba sakandare (ofisoshi da gidan tsaro).
Yayin da aka canza haɗin tsaka tsaki zuwa TNS, dole ne a bayar da kariya a cikin yanayin gama gari (tsakanin lokaci da PE) da yanayin banbanci (tsakanin fasali da tsaka tsaki). Na'urorin cire haɗin, a wannan yanayin, sune maɓuɓɓukan kewaya tare da raunin damar 22 KA.
Koyawa // Shigarwa na Mai Karo Mai Girma
Bidiyon yana nuna daidaitaccen shigarwar karuwar tashin hankali, haɗi tare da kariyar ajiya (maɓallin kewayawa). Da "50 cm wayoyi mulki ”bayani zai taimaka muku fahimtar layin waya daidai gwargwadon tsarin shigarwa IEC 60364-5-534.
