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Baaraha qiiqa beddelka: Guddaha Buchholz Relay

2026,10,21
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Hordhac - waxa ay tahay iyo waxa loogu talagalay

Inta badan Transformers aad la kulanto waxay ku mashquulsan yihiin beddelidda danabka. Relay Buchholz (oo lagu magacaabo Injineer Jarmal Max Buchholz, oo la patented 1921) wuxuu sameeyaa wax ka duwan: waxay daawataa dhibaatada gudaha koronto-sameeyaha saliidda ka buuxo. Ka fakar sida qiiq-sheegaha saliidda beddelka . Marka dahaarku kululaado ama arc ku dhufato, saliidda macdanta ayaa jajabisa oo bixisa gaaska - oo tan kaliya ee makaanikdu waxay dhawaaqeysaa qaylo-dhaanta (ama jabinaysaa jabiyaha) muddo dheer ka hor inta uusan waxyeelladu noqonin musiibo.

Mabda'a iyo sida ay u shaqeyso

Relay-gu wuxuu dhex fadhiyaa tuubada u dhaxaysa taangiga transformer-ka iyo ilaaliyeheeda (kaydka saliidda ee dushiisa yar). Gaas kasta oo lagu sii daayo gudaha haanta wuxuu ka soo baxaa tuubadaas wuxuuna ku urursadaa gudbinta. Waxay u shaqeysaa laba marxaladood:

Marxaladda qaylo-dhaanta ( gaabis ah): cillad si tartiib tartiib ah u koraysa - dareere qayb ah, daboolka xudunta ah ee dabacsan, ama dahaarka gabowga - wuxuu ku buufiyaa gaas fiican gudbinta. Gaasku wuxuu meesha ka saarayaa saliidda, dhibco sabbaynaya, iyo xidhiidhka alaarmiga ayaa xidha. Transformer-ku wuu sii socdaa; hawlwadeenku waxa uu ka soo saari karaa gaaska oo uu falanqayn karaa.

Marxaladda safarka (dhakhso leh): Cilad aad u daran - wareeg gaaban oo gaabsan ama gees dhulka ah - waxay si xoog leh u uumi saartaa saliidda, iyada oo u kaxaysa kor u kaca xagga kaydiyaha. Sare u kacdu waxay ku dhufataa jaahwareer, xidhidhiyaha safarka, oo ka gooya taransfooriyaha gudaha 0.05-0.1 s.

Sababtoo ah waa makaanik, uma baahna koronto mana laha qalab elektaroonik ah oo ku guuldareysta - sabab weyn oo ay u joogto qalabka caadiga ah in ka badan qarni.

Tusaalaha codsiga

20 MVA, 110kV transformer substation, boodhka xudunta u ah oo si liidata u xidhmay ayaa si tartiib tartiib ah u kululeeya dhawr sentimitir oo labajibbaaran oo bir ah. Ma jiro cillad hadda socota, sidaas darteed gudbinta xad dhaafka ah waxba ma aragto - laakiin gaas ayaa sameysma laga bilaabo maalinta koowaad. Gudbinta Buchholz waxay ururisaa toddobaadyo waxayna kicisaa digniinta Marxaladda-1; hawlwadeenku waxa uu tijaabiyaa gaaska (hydrogen iyo carbon monoxide waxa ay soo jeedinaysaa ku lug lahaanshaha cellulose) oo waxa ay qorsheeyaan kormeer. Haddii isla qaladkaas uu isu beddelo leexo-soo-noqosho gaaban, heerka saliidda ee Marxaladda-2 ee kor u kaca ayaa ku dhufan doonta unugga millise seconds, badbaadinta qaybta firfircoon.

Halbeegyada muhiimka ah iyo digniinaha injineernimada

Meesha ay ku habboon tahay: kaliya transformers-ka saliidda lagu daray oo leh kaydiye, sida caadiga ah lagu qiimeeyay 800 kVA iyo wixii ka sareeya (IEC 60076-11). Unugyada sida Hermetically u xirani ma laha kaydiye ama tuubo, sidaas darteed waxay isticmaalaan cadaadis isku jira oo kala duwan.

Joomatari tuubada: xidhiidhku waa in uu kor u kacaa 2-4° dhanka konservatorka si uu gaasku si dabiici ah ugu ururo gudbinta; quusin ama jihada rogan ayaa ka adkaata.

Akhrinta gaaska (hagaha degdega ah): Midab la'aan iyo aan guban = hawo xanniban (badanaa ka dib kor u kaca); caddaan/cawlan = dahaarka warqadda oo jajaban; jaalaha = alwaax ama sabuuradda; madow = Saliid ay ka go'day dhididka. Cilad-sheegid dhab ah ayaa wali ka timaada falanqaynta gaaska-kala-miiran.

Lakabitaanka: Relay-gu waxa uu arkayaa cilladaha gudaha haanta saliidda. Dhiirrigelinta, hogaanka dibadda iyo hillaaca waxay u baahan yihiin ilaalin kala duwan iyo ilaalin xad dhaaf ah oo garab socda.

Khalad guud iyo xaqiiqo xiiso leh

Fikrad khaldan: "Relay Buchholz wuxuu ka ilaaliyaa transformer-ka khalad kasta." Ma qabato - waxay qabtaa oo keliya cilladaha gudaha haanta saliidda taasoo keenta gaaska ama saliidda kor u kaca. Wareegyada gaagaaban ee dibadda ah iyo biraha duurka ah ayaan la arki karin.

Xaqiiqda xiisaha leh: gudbintu ma laha koronto u gaar ah, hase yeeshee waxay badanaa kor u qaadaa digniinta ugu horreysa toddobaadyada ka hor inta aan la ogaanin ilaalinta korantada - sababtoo ah qaladka bilawga ah sida boodhka dabacsan ayaa soo saara gaas min hal daqiiqo laakiin ma jiido hadda la qiyaasi karo. Runtii waa stethoscope-ka beddelka.

Nala soo xiriir

Author:

Ms. Amy Wu

Phone/WhatsApp:

+86 13612662976

Alaabta caanka ah
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Nala soo xiriir

Author:

Ms. Amy Wu

Phone/WhatsApp:

+86 13612662976

Alaabta caanka ah
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