KWATANTA AIKI NA KAYAN HAƊIN SF6 DA KAYAN KARYA NA DA'IRA

Kwatanta Aiki na Kayan Haɗa SF6 da Mai Kare Da'ira

Karya aikin na'urar canza wutar lantarki ba tare da kaya ba

Yawancin halayen kaya na babban sashin zobe a cikin tsarin rarraba wutar lantarki sune rabuwa da rufe na'urar rarraba wutar lantarki. Matsakaicin ƙarfin shine 315-1250 kVA, kuma babu nauyin wutar lantarki na na'urar rarraba wutar lantarki shine kusan kashi 2% na ƙarfin lantarki da aka kimanta. Lokacin karya na'urar rarraba wutar lantarki mara nauyi, idan na'urar rarraba wutar lantarki tana da ƙarfin kashe baka mai ƙarfi, kuma hanyar kashe baka nau'in makamashi ne na waje, abin da ke haifar da yanke wutar lantarki mai tilastawa kafin sifili zai faru, wanda ke haifar da yanke wutar lantarki mai yawa. Idan aka yi amfani da na'urar rarraba wutar lantarki, saboda ƙarfin kashe wutar lantarki, an tsara shi don karya babban wutar lantarki mai gajeren zango. Lokacin karya ƙaramin wutar lantarki na na'urar rarraba wutar lantarki mara nauyi, akwai yiwuwar kashe wutar lantarki mai tilastawa, wanda ke haifar da yanke wutar lantarki mai yawa. Dangane da wannan, ba a son amfani da na'urorin rarraba wutar lantarki masu ƙarfin kashe baka mai ƙarfi. Kuma makullin kaya na SF6, saboda halayen wutar lantarki na iskar SF6, lokacin da aka sanyaya baka a cikin iskar SF6, har yanzu yana gudanar da wutar lantarki har sai zafin ya yi ƙasa sosai, kuma yankewar wutar lantarki kafin sifili na yanzu ya haɗu ƙarami ne, don haka yana guje wa babban ƙarfin lantarki. Saboda haka, aikin amfani da makullin kaya na SF6 don karya na'urar canza wutar lantarki mara nauyi ya fi na na'urar canza wutar lantarki ta SF6 kyau, kuma mai karya da'ira ta SF6 ya fi mai karya da'ira mara nauyi kyau.

Kare aikin rarraba wutar lantarki

Don kare na'urorin rarraba wutar lantarki, amfani da haɗin makullin kaya na SF6 + fuse ya fi tasiri fiye da na'urorin da ke karya da'ira, kuma wani lokacin na biyun ba zai iya taka rawar kariya mai inganci ba. Gwajin da'ira mai gajeren zango ya tabbatar da cewa lokacin da aka yi amfani da na'urar da ke nutsewa da mai a cikin ɗan gajeren zango, domin hana tankin mai fashewa, dole ne a cire matsalar cikin milise daƙiƙa 20. Iyakance ƙimar wutar lantarki ta ɗan gajeren zango na iya kare na'urar da'ira yadda ya kamata. Cikakken lokacin karya na na'urar da'ira ya ƙunshi sassa uku, lokacin aikin kariyar relay + lokacin aikin da ke cikin na'urar da'ira + lokacin arcing, wanda gabaɗaya yana buƙatar zagaye uku (milse daƙiƙa 60), don haka ba zai iya kare na'urar da'ira yadda ya kamata ba. Ko da na'urorin da'ira masu bushewa sun fi amfani da na'urorin da'ira saboda aikin kariyar sauri na fiyu.

Tsarin aiki na kariyar relay

Kariyar mai karya da'ira a ƙarshen kan hanyar sadarwa ta rarraba hanyar sadarwa ta zobe (mai karya da'ira ta 10kV na tashar) gabaɗaya ana saita ta zuwa daƙiƙa 0 don karyewa cikin sauri, daƙiƙa 0.5 don yawan wutar lantarki, daƙiƙa 0.5 don jerin sifili. Idan an yi amfani da mai karya da'ira a cikin babban sashin zobe, koda kuwa an saita ta zuwa daƙiƙa 0.5, yana da wuya a tabbatar cewa mai karya da'ira ta farko ba ta fara aiki ba saboda wargajewar lokacin aiki na mai karya da'ira. Fis ɗin da ke iyakance wutar lantarki ba ya shafar raguwar wutar lantarki da ɗan gajeren da'ira ke haifarwa, kuma yana iya cire matsalar cikin ɗan gajeren lokaci ba tare da haifar da tafiya mai tsalle ba.