Intshayelelo
Izixhobo zokunciphisa uxinzelelo (PRDs)lukhuselo lokugqibela lwe-transformer ukuba kukho impazamo enkulu yombane ngaphakathi kwesiguquli. Njengoko ii-PRD zenzelwe ukukhulula uxinzelelo ngaphakathi kwetanki ye-transformer, ayifanelekanga kubaguquli abangenayo itanki.
Injongo yee-PRDs
Ngexesha lesiphoso esikhulu sombane, i-arc yokushisa ephezulu iya kwenziwa kwaye le arc iya kubangela ukubola kunye nokunyuka kwe-insulating liquide ejikelezileyo. Oku kunyuka ngokukhawuleza kwevolumu ngaphakathi kwetanki ye-transformer kuya kudala ukwanda ngokukhawuleza kwi-tank pressure. Uxinzelelo kufuneka luthotywe ukuthintela ukugqabhuka kwetanki enokwenzeka. Ii-PRDs zivumela ukuba uxinzelelo lukhululwe. Ii-PRD zidla ngokuhlelwa ngokweendidi ezimbini, ii-PRD ezivula emva koko zivale kunye neePRD ezivulayo nezihlala zivulekile. Ngokubanzi, uhlobo lokuvala kwakhona lubonakala luthandwa kakhulu kwimarike yanamhlanje.
Ukuvala kwakhona ii-PRDs
Ukwakhiwa kwee-PRDs ze-transformer kufana ne-valve eqhelekileyo yokukhusela ukhuseleko lwasentwasahlobo (SRV). Ipleyiti enkulu yesinyithi edityaniswe kwi-shaft ephakathi ibanjwe ivaliwe ngumthombo. Uxinzelelo lwentwasahlobo lubalwa ukuba lunqotshwe kuxinzelelo oluthile (indawo emiselweyo). Ukuba i-tank ye-tank inyuke ngaphezu koxinzelelo olubekiwe lwe-PRD, intwasahlobo iya kunyanzeliswa kwaye iplate iya kuhamba kwindawo evulekileyo. Uxinzelelo olukhulu lwetanki, ngakumbi ukunyanzeliswa kwentwasahlobo. Emva kokuba uxinzelelo lwetanki luncitshisiwe, ukunyanzeliswa kwentwasahlobo kuya kuhambisa ngokuzenzekelayo ipleyiti kwindawo evaliweyo.
Intonga eqhagamshelwe kwisalathisi esinemibala ihlala ikwazisa abasebenzi ukuba i-PRD isebenze, oku kuluncedo njengoko abasebenzi abanakufane babe sendaweni ngexesha lokwenziwa komsebenzi. Ngaphandle komboniso obonakalayo wendawo, i-PRD ngokuqinisekileyo iya kudibaniswa nenkqubo yokubeka iliso ye-alamu kunye ne-transformer tripping circuit.
Kunyanzelekile ukuba uxinzelelo lokuphakamisa i-PRD lubalwe ngokuchanekileyo ukuze kuqinisekiswe ukusebenza kwayo okuchanekileyo. Ii-PRDs kufuneka zigcinwe rhoqo ngonyaka. Uvavanyo lwe-PRD luqhele ukwenziwa ngesandla.
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Ii-PRD ezingaVali kwakhona
Olu hlobo lwe-PRD aluthandwa namhlanje ngenxa yenkqubela phambili yetekhnoloji yamva nje eyenza uyilo lwayo lungafuneki. Uyilo oludala lubonise ipini yokukhulula kunye nokuseta i-diaphragm. Kwimeko yoxinzelelo lwetanki ephezulu, iphini yokunceda iya kuphuka kwaye uxinzelelo luya kukhululeka. Itanki yahlala ivulekile emoyeni de kwafika ixesha apho i-PRD yatshintshwa.
Izikhonkwane zokunceda zenzelwe ukuphuka kuxinzelelo oluthile kwaye azikwazi ukulungiswa. Iphini nganye ibhalwe ukubonisa amandla ayo ophukayo kunye noxinzelelo lokuphakamisa. Kunyanzelekile ukuba iphini eliqhekekileyo litshintshwe ngephini elinezicwangciso ezichanekileyo ezifanayo nephini eliqhekekileyo kuba kungenjalo ukusilela okuyingozi kweyunithi kunokuthi kwenzeke (ukugqabhuka kwetanki kunokwenzeka phambi kokuba i-PRD iphakanyiswe).
Amagqabantshintshi
Ukupenda kwe-PRD kufuneka kuqhutywe ngononophelo njengoko nawuphi na umzobo wamacandelo asebenzayo kunokwenzeka ukuba utshintshe uxinzelelo lokunyusa lwe-PRD kwaye ngaloo ndlela luvule kamva (ukuba kunjalo).
Impikiswano encinci ijikeleze ii-PRDs kuba ezinye iingcali zeshishini zikholelwa ukuba isiphene siya kufuneka sibe kufutshane ne-PRD ukuze i-PRD isebenze ngokufanelekileyo. Isiphoso esivela ngakumbi kwi-PRD sinokuthi siphule itanki kunokuba sisondele kwi-PRD. Ngesi sizathu, iingcali zeshishini ziyaxoxa malunga nokusebenza kokwenyani kwee-PRDs.
Ixesha lokuposa: Nov-23-2024