Na ɗan IEE-Business ne, wanda yake yi aiki na harshe da shi don shekaru 8. Yanzu, zaka iya bayyana hanyoyin bincike masu zamani da kowane da suka gama don muhimmin current transformers (GIS)—kamar hankali da ke faruwa da kuma abubuwan da ke sa da ba.
1. Hanyoyin Bincike
1.1 Hanyar Zamani
Ayyuka da duniya: Kafa FDS21/FDS22 fast disconnectors + DS23 disconnector. Cika CB21 breaker, sannan kafa ES21/ES22 grounding disconnectors. Kafara SF6 -shell ground na ES21.
Kawo karfi: Kawo battery bayan moving contact (negative grounded) na ES21 + ground electrode. Wannan yana iya kawo amfani L1→L2 a primary coil na TA. Kawo K1 (CT secondary) zuwa DC milliammeter +ve, K2 zuwa - ve.
Bincike: Amfani da hukumar DC—amfani da DC a primary, tabbatar da deflection na milliammeter. Amfani da ≤100mA range (100μA mafi inganci don deflection mai kyau). Kafa/Kafara moving contact na ES21 + K - battery +ve. Positive deflection (battery on) + negative (battery off) yana nufin cewa L1 (CT) da K1 (secondary) suna hanyar sama. Tabbata positions na CT primary coil; rayuwar results.
1.2 Hanyar Gama
Ayyuka da duniya: Kafa FDS21/FDS22 disconnector, matching disconnector. Kafa ES21/ES22 grounding disconnectors. Cika CB21 breaker.
Kawo karfi: Kawo battery +ve zuwa 110kV inlet bushing (Ⅰ/Ⅱ), - ve zuwa GIS outlet bushing. Kafa/Kafara. Positive deflection (on) + negative (off) yana nufin cewa L1/K1 suna hanyar sama. Tabbata positions na CT; rayuwar results.
2. Tushen Hanyoyin
Zamani: Karfin kawo da ayyukan da duniya, energy loss mai kadan, yana iya amfani da batutu mai kadan. Milliammeter yana kawo deflection mai kyau—ma fi yawa, mai kyau.
Gama: Ayyukan da duniya mai girma, kasa mai kadan—mai kyau a cikin yawan. Risuka mai tsayawa (battery wiring on bushings). Abubuwan da suka haɗa → high impedance → results mai ci gaba. Yana buƙata batutu mai yawa (mai kyau a cikin yawan), tare da yanayin buƙata.
3. Must - Dos ta Dalilin Kyakkyawan
Tabbatar da sequence: Rahotanni CB21 open → kafa FDS21/FDS22 (line) + DS23 (bus) → cika ES21/ES22 (grounding). Muhimmiyar jihohi don live lines/buses—yanke buƙatar “live + ground disconnector” accidents.
4. Wrap - Up
Hanyar zamani yana ɓe da matsalolin binciken polarity a cikin yawan, taimakawa relay protection za ta yi aiki, da kuma tasiri grids. Ba da shekaru 8 a cikin bincike, ina shahara: zaka iya zaba hanyar da zai iya dalilin kyakkyawan da kuma ma'adani.
