1. Lalacewar walƙiya ga injin injin injin injin iska;
2. Lalacewar nau'in walƙiya;
3. Matakan kariya na walƙiya na ciki;
4. Haɗin daidaitaccen kariya na walƙiya;
5. Matakan garkuwa;
6. Kariyar karuwa.
Tare da haɓaka ƙarfin injin injin iska da ma'aunin iskar iska, aikin amintaccen aikin gonakin iskar ya zama mai mahimmanci.
Daga cikin abubuwa da yawa da ke shafar amintaccen aikin gonakin iskar, fashewar walƙiya wani muhimmin al'amari ne.Dangane da sakamakon bincike na walƙiya
kariya ga injin turbin iska, wannan takarda ta kwatanta tsarin walƙiya, lalacewar lalacewa da matakan kariya na walƙiya na iska.
Saboda saurin bunƙasa kimiyya da fasaha na zamani, ƙarfin injin injina guda ɗaya yana ƙara girma da girma.Domin yi
sha karin makamashi, cibiya tsawo da impeller diamita suna karuwa.Matsayin tsayi da shigarwa na injin turbin iska ya ƙayyade hakan
ita ce tashar da aka fi so don faɗan walƙiya.Bugu da ƙari, ɗimbin kayan aikin lantarki da na lantarki masu mahimmanci sun taru a ciki
injin injin iska.Barnar da girgizar ta haifar za ta yi yawa sosai.Don haka, dole ne a shigar da cikakken tsarin kariya na walƙiya
don kayan lantarki da lantarki a cikin fan.
1. Lalacewar walƙiya ga injin turbin iska
Hatsarin walƙiya zuwa janareta na iska yana yawanci a cikin buɗaɗɗen wuri kuma yana da tsayi sosai, don haka duk injin ɗin yana fuskantar barazanar.
na walƙiya kai tsaye, kuma yuwuwar faɗakarwa kai tsaye da walƙiya ya yi daidai da murabba'in ƙimar tsayin abin.Ruwa
Tsayin injin injin megawatt ya kai fiye da mita 150, don haka bangaren ruwan injin injin din yana da rauni musamman ga walkiya.Babban
an haɗa adadin kayan lantarki da na lantarki a cikin fan.Ana iya cewa kusan kowane nau'in kayan lantarki da lantarki
Ana iya samun kayan aikin da muke amfani da su akai-akai a cikin saitin janareta na iska, kamar su ƙarar hukuma, mota, na'urar tuƙi, mai sauya mitar, firikwensin,
actuator, da kuma tsarin bas daidai.Waɗannan na'urori sun tattara a cikin ƙaramin yanki.Babu shakka cewa hauhawar wutar lantarki na iya haifar da babba
lalacewar injin turbin iska.
Ana ba da waɗannan bayanan na injin turbin iska daga ƙasashen Turai da yawa, gami da bayanan sama da 4000 na iskar.Tebu 1 taƙaice ne
daga cikin wadannan hadurran a kasashen Jamus da Denmark da kuma Sweden.Adadin lalacewar injin injin iskar da walƙiya ya haifar shine sau 3.9 zuwa 8 a kowace raka'a 100
shekara.Bisa kididdigar kididdigar, injinan iska 4-8 a Arewacin Turai suna lalacewa ta hanyar walƙiya a kowace shekara don kowane injin 100 na iska.Yana da daraja
lura cewa ko da yake abubuwan da aka lalata sun bambanta, lalacewar walƙiya na sassan tsarin sarrafawa yana da kashi 40-50%.
2. Lalacewar nau'in walƙiya
Yawanci akwai lokuta huɗu na lalacewar kayan aiki sakamakon bugun walƙiya.Na farko, kayan aikin sun lalace kai tsaye ta hanyar walƙiya;Na biyu shine
cewa bugun walƙiya ya shiga cikin kayan aiki tare da layin sigina, layin wutar lantarki ko wasu bututun ƙarfe da aka haɗa da kayan aiki, yana haifar da
lalacewar kayan aiki;Na uku shi ne cewa jikin da ke ƙasa na kayan aiki ya lalace saboda "ƙira" na yuwuwar ƙasa da aka haifar
ta hanyar babban yuwuwar da ake samu a lokacin bugun walƙiya;Na hudu, kayan aikin sun lalace saboda hanyar shigarwa mara kyau
ko matsayi na shigarwa, kuma yana shafar filin lantarki da filin maganadisu da aka rarraba ta hanyar walƙiya a sararin samaniya.
3. Matakan kariya na walƙiya na ciki
Manufar yankin kariyar walƙiya shine tushen don tsara cikakkiyar kariya ta walƙiya na injin turbin iska.Hanya ce ta ƙira don tsari
sararin samaniya don ƙirƙirar ingantaccen yanayin dacewa na lantarki a cikin tsarin.Ƙarfin tsangwama na anti-electromagnetic na lantarki daban-daban
kayan aiki a cikin tsarin yana ƙayyade buƙatun wannan sararin samaniyar yanayin lantarki.
A matsayin ma'auni na kariya, manufar yankin kariyar walƙiya ba shakka ya haɗa da tsangwama na lantarki (tsangwama mai aiki da kuma
tsangwama na radiation) ya kamata a rage zuwa kewayon karɓuwa a iyakar yankin kariya na walƙiya.Saboda haka, daban-daban sassa na
Tsarin da aka karewa ya kasu kashi biyu zuwa yankuna kariya na walƙiya daban-daban.Ƙayyadadden yanki na yankin kariya na walƙiya yana da alaƙa da
tsarin injin turbine, da tsarin ginin tsarin da kayan ya kamata kuma a yi la'akari da su.Ta hanyar saita na'urorin kariya da shigarwa
masu karewa masu karuwa, tasirin walƙiya a cikin Zone 0A na yankin kariyar walƙiya yana raguwa sosai lokacin shiga Zone 1, da lantarki da
Kayan lantarki a cikin injin turbin iska na iya aiki kullum ba tare da tsangwama ba.
Tsarin kariya na walƙiya na ciki ya ƙunshi duk wurare don rage tasirin lantarki na walƙiya a yankin.Ya haɗa da walƙiya
haɗin kai daidaitattun kariyar, matakan kariya da kariyar karuwa.
4. Walƙiya kariya equipotential dangane
Haɗin daidaitattun kariyar walƙiya wani muhimmin sashi ne na tsarin kariyar walƙiya na ciki.Equipotential bonding na iya yadda ya kamata
kashe yuwuwar bambancin da walƙiya ke haifarwa.A cikin tsarin haɗin kai daidai gwargwado kariyar walƙiya, duk sassan gudanarwa suna haɗe-haɗe
don rage yiwuwar bambanci.A cikin ƙira na haɗin kai daidai gwargwado, za a yi la'akari da ƙaramin yanki na haɗin giciye bisa ga
zuwa misali.Cikakkiyar hanyar sadarwar haɗin kai daidai gwargwado kuma ta haɗa da haɗin daidaitattun bututun ƙarfe da layin wuta da sigina,
wanda za a haɗa shi da babban bus ɗin ƙasa ta hanyar kariyar walƙiya.
5. Matakan garkuwa
Na'urar garkuwa tana iya rage tsangwama na lantarki.Saboda ƙayyadaddun tsarin injin turbin iska, idan matakan kariya na iya zama
la'akari a matakin ƙira, ana iya gane na'urar kariya a ƙananan farashi.Za a yi dakin injin ya zama rufaffen harsashi na ƙarfe, kuma
za a shigar da abubuwan da suka dace na lantarki da na lantarki a cikin ma'ajin canji.Ƙungiyar majalisar ministocin canji da iko
majalisar za ta yi tasiri mai kyau na garkuwa.Za a samar da igiyoyi tsakanin kayan aiki daban-daban a gindin hasumiya da ɗakin injin tare da ƙarfe na waje
Layer garkuwa.Don tsoma baki, Layer garkuwa yana da tasiri ne kawai lokacin da aka haɗa ƙarshen garkuwar na USB zuwa ga
equipotential bonding bel.
6. Kariyar karuwa
Baya ga yin amfani da matakan kariya don murkushe tushen katsalandan na radiation, ana kuma buƙatar matakan kariya masu dacewa
tsoma baki a kan iyakar yankin kariyar walƙiya, ta yadda kayan lantarki da na lantarki su yi aiki da dogaro.Walƙiya
Dole ne a yi amfani da mai kama a kan iyakar yankin kariya na walƙiya 0A → 1, wanda zai iya haifar da yawan adadin walƙiya ba tare da lalacewa ba.
kayan aiki.Irin wannan kariyar walƙiya kuma ana kiranta walƙiya mai karewa (Class I walƙiya kariya).Suna iya iyakance girman
yuwuwar bambance-bambancen da walƙiya ke haifarwa tsakanin ƙaƙƙarfan wuraren ƙarfe da layin wuta da sigina, da iyakance shi zuwa kewayon aminci.Mafi yawan
Muhimmin sifa mai kariyar walƙiya na yanzu shine: bisa ga 10/350 μ S pulse waveform gwajin, na iya jure yanayin walƙiya.Domin
injin turbin iska, kariya ta walƙiya a iyakar layin wutar lantarki 0A → 1 an kammala shi a gefen samar da wutar lantarki na 400/690V.
A cikin yankin kariyar walƙiya da yankin kariyar walƙiya na gaba, bugun bugun jini kawai tare da ƙaramin ƙarfi ya wanzu.Irin wannan bugun jini
Ana samun ta ta hanyar wuce gona da iri da aka jawo daga waje ko kuma karuwar da aka samu daga tsarin.Kayan aikin kariya don irin wannan halin yanzu
ana kiransa mai karewa (Class II walƙiya kariyar).Yi amfani da 8/20 μ S bugun jini na yanzu.Daga hangen nesa na daidaitawar makamashi, karuwa
ana buƙatar shigar da majiɓinci a ƙasa na kariyar halin walƙiya.
Idan akai la'akari da halin yanzu, alal misali, don layin tarho, ya kamata a kiyasta hasken walƙiya akan mai gudanarwa a 5%.Don Class III/IV
Tsarin kariya na walƙiya, shine 5kA (10/350 μs).
7. Kammalawa
Ƙarfin walƙiya yana da girma sosai, kuma yanayin yajin walƙiya yana da rikitarwa.Ma'auni kuma dacewa matakan kariya na walƙiya na iya ragewa kawai
asarar.Ci gaba da aikace-aikacen ƙarin sabbin fasahohi ne kawai za su iya cikakken kariya da amfani da walƙiya.Tsarin kariya na walƙiya
nazari da tattaunawa game da tsarin wutar lantarki ya kamata a yi la'akari da tsarin tsarin ƙasa na tsarin wutar lantarki.Tun da wutar lantarki a kasar Sin ne
da hannu a daban-daban geological landforms, da grounding tsarin na iska ikon a daban-daban geology za a iya tsara ta rarrabuwa, kuma daban-daban.
Ana iya amfani da hanyoyin don biyan buƙatun juriya na ƙasa.
Lokacin aikawa: Fabrairu-28-2023