Hajoale, li-transformer tsa China tse ommeng hangata li mekhahlelo e meraro e tiileng ea SC, joalo ka: SCB9 letoto la mekhahlelo e meraro ea ho fetolela, SCB10 letoto la likarolo tse tharo tsa foil transformer SCB9 letoto la likarolo tse tharo tsa foil transformer. Boholo ba 6-35kV, boholo bo phahameng ho fihlela 25MVA.Transformer e omisitsoeng e arotsoe haholo ka "transformer" e ommeng le lehoakhoa le ommeng likarolo tse peli.
1. Mofuta oa phetoho o ommeng
Terata ea mofuta o fetotsoeng o omisitsoeng oa mofuta o kenang Chaena o koahetsoe ka terata ea khalase, 'me sethala se ntse se hatisoa ka lintho tse sireletsang tse lumellanang. E sebelisoa haholo liteisheneng tsa hydropower le mehahong e phahameng e nang le ts'ireletso e ntle ea mollo.
Ka lebaka la phapang ea pente e kenang, sesebelisoa se fetotseng se arotsoe ka B, F, H, C, sephahla se seholo le se emeng.
Ho kenella ka ho lekana ho bolela ho kenella lipakeng tsa lintlha tse fapaneng le likarolo tse fapaneng tsa sephahla sa transformer se nang le menyetla e fapaneng, haholoholo ho kenyelletsa ts'ebetso ea ts'ireletso pakeng tsa chenchana, likarolo le likarolo tsa matsoelintsoeke.
Mofuta ona oa transformer o angoa ke tikoloho ho feta mofuta o fetotsoeng oa lehoakhoa, ponahalo le boima ba 'mele le tsona li kholo, sehlahisoa se tsoang hae le kantle ho naha se a fokotseha.
Ho na le litiiso tsa ho qetela lipheletsong tse peli tsa matsoelintsoeke, o sa tšabe leqhubu, khanyetso e matla ea mollo, thibelo ea mollo mollong o bulehileng oa 750 ℃, ke mofuta o mocha oa sethopo se ommeng. Lihlahisoa tse etellang pele tsa transformer li ka aroloa ka mekhahlelo e meraro e latelang.
Mofuta oa pele, o tsejoang e le terata e lahlang sesebelisoa Tlhokomeliso bakeng sa ho lahla filler.
Mofuta oa bobeli, oo ho thoeng ke foil-leqeba lahla foromo, motlakase oa eona o phahameng o arotsoe ka mofuta oa foil-leqeba, matla a tlase ke mofuta oa koporo (kapa aluminium foil) mofuta oa matsoelintsoeke;
Mofuta oa boraro, khatello e phahameng ea leqeba la terata le robehang mofuta oa silindara, mofuta o tlase oa khatello ea koporo (kapa aluminium foil) mofuta oa matsoelintsoeke;
Mefuta e meraro e kaholimo ea lihlahisoa e na le litšobotsi tsa eona tlhahisong le tšebetsong ea lihlahisoa, 'me hajoale e na le karolo e itseng ea mmaraka' marakeng. Sehloohong sena, re tsepamisa maikutlo puisanong ea li-transformer tse nang le leqeba la terata.
2. Terata leqeba lahleloa transformer
2.1. Likarolo tsa sebopeho
Semeleng sa bobeli sa motlakase sa Baoji, profinseng ea Shaanxi, li-transform tse ommeng tse sebelisitsoeng fekthering kaofela li koahetsoe ka terata li-transformer tse nang le voltage ea 6 kV, matla a 100 kVA ho 1600 kVA, le ho kenya kahare.
Maqhubu a phahameng le a tlase a sehlahisoa a entsoe ka terata ea koporo, leqeba le felletseng, khalase ea fiber e matlafalitsoe, e koahetsoeng ka tšesaane, lehoakhoa ntle le ho tlatsa, ho tšeloa ka tlas'a 'muso o hloekileng,' me ho phekoloa ho latela mocheso o khethehileng o folisang mothinya.
The phahameng gagamalo matsoelintsoeke o inkela khethehileng segmented sebopeho silindara, le tlaase gagamalo matsoelintsoeke o inkela selotlolo lera silindara mofuta, segmented mofuta silindara kapa khethehileng segmented mofuta silindara ho ea ka boemo ba gagamalo.
2.2 Likarolo tsa Tekheniki
2.2.1 tshusumetso ho hanyetsa terata leqeba tšela ea transformer hv matsoelintsoeke o inkela khethehileng sectional cylindrical sebopeho, sebopeho sena e thehiloe karolong e tloaelehileng bobbin matsoelintsoeke, tloaelehileng karolwana silindara mofuta bobeli futsitseng melemo ea ho bobbin matsoelintsoeke hanyetsa tshusumetso, 'me a rarolla bobbin matsoelintso lera la phahameng Voltage lipakeng tsa ho ikhanyetsa, ke sebopeho se loketseng sa matsoelintsoeke, Hangata se bitsoa sebopeho sa matsoelintsoeke se nang le molumo.
Ha e bapisoa le silindara se tloaelehileng se arotsoeng, moqomo o khethehileng o ka arohanang o ka fokotsa matla a motlakase lipakeng tsa likarolo, o ntlafatsa phepelo ea motlakase, mme o ntlafatsa haholo matla a khahlano le ho mamella tšubuhlellano ea sepakapaka le tšebetso e fetang ea motlakase.
Ho hanyetsa tšusumetso ha ho amane feela le sebopeho sa matsoelintsoeke, empa hape ho latela boleng ba ho betla ha matsoelintsoeke le thepa ea motlakase ea thepa e sirelletsang.
Kamora ho ts'oaroa ha sehlahisoa ho phethiloe, e tšeloa ka lehoakhoa le hloekileng maemong a lephaka, 'me ha ho kenyelletsoa ho tlatsa ts'ebetso ea phallo ea lehoakhoa.
'Me hobane matsoelintsoeke e entsoe ka terata, lehoakhoa ka ho feletseng tlatsa metsi matsoelintsoeke, ho sa tsotellehe ho tloha axial kapa radial tataiso ea matsoelintsoeke,' me ha ho na bubble ka hare.
Abstract: Pampiri ena e hlahisa tlhophiso le litšobotsi tsa transformer e omileng, mme e shebile sebopeho sa sebopeho sa terata e tšollang transformer, litšobotsi tsa tekheniki, sistimi e phodisang, sistimi ea taolo ea mocheso joalo-joalo, e akaretsa tebello ea nts'etsopele ea transformer e omileng. Dry transformer; Terata leqeba lahla foromo ea transformer.
Lehoakhoa le khalase faeba entsoe ka kwahelang tiileng, eseng feela e ntle tshusumetso ho hanyetsa, le ho tebelwa mosebetsing ea moo e nyenyane haholo.
2.2.2. Matla a hantle a mochini le khanyetso e matla ea nakoana. Bakeng sa mofuta o kopaneng oa terata o kopantsoeng, kamora ho tšollela moea o hloekileng, lehoakhoa le ka koaisoa lipakeng tsa mekhahlelo le likarolo tsa matsoelintsoeke ka nako e le ngoe.
Kamora ho folisa, lehoakhoa, terata le khalase ea fiber li kopantsoe ka thata ho etsa sebopeho sa 'mele se thata.
The mogote katoloso ya coefficient la likarolo tse ngata li sireletsang serameng lintho tse bonahalang e entsoeng ka ho phekola lehoakhoa le khalase faeba ke (18 ~ 20) × 10-6 / K, le coefficient katoloso ya koporo sebelisoa ka matsoelintsoeke ke 17 × 10-6 / K, e leng ha e le hantle e haufi le tse peli. E felisa khatello ea maikutlo lipakeng tsa mokhanni oa matsoelintsoeke le thepa e sirelletsang mocheso e bakoang ke keketseho ea mocheso le ho hatsela ho batang nakong ea tšebetso ea phetoho. Ho tloha motso ho felisa ts'ebetso ea ho petsoha.
Ha sehlahisoa se entsoe ka lehoakhoa ka khatello e phahameng le e tlase mme mokokotlo oa tšepe o koahetsoe ka lehoakhoa, o na le mongobo o matla le ts'enyeho ea ts'enyeho.
Hobane mokelikeli o kopaneng o entsoeng ka lehoakhoa le hloekileng le khalase e na le matla a phahameng haholo a motlakase, bokaholimo ba bokahohle ba sehlahisoa ke 1.5 ~ 2 mm feela, e ntlafatsang matla a mocheso oa mocheso oa bokaholimo bo matsoelintsoeke.
2.3. Sistimi e pholileng le ts'ireletso
Li-transformer tse ommeng li pholile ke moea o pholileng oa tlhaho le ho futhumatsa ha moea o qobelloang Ho futhumatsa moea oa tlhaho ho amoheloa ho netefatsa ts'ebetso e tloaelehileng ea mofetoleli tlasa mojaro o lekantsoeng. Bafetoleli ba ommeng ba sebelisitsoeng ho baoji No. 2 semela sa motlakase kaofela ba pholile ke moea o qobelloang ke radial fene.
Kamora ho futhumatsa ka ho tsamaisoa ka moea o qobelloang, matla a sesebelisoa se ommeng se nang le 800 kVA le ka tlase a ka eketsoa ka 40%, mme a mofuta o ommeng o nang le 800 kVA le kaholimo o ka eketsoa ka 50%, mme o ka sebetsa ka ho tsoelang pele.
Mofuta oa mofuta o ommeng hangata ke ts'ireletso ea IP00, ke hore, ntle le khetla, tšebeliso ea kahare, semela sa bobeli sa matla sa Baoji ke ts'ebeliso ea mokhoa ona oa ts'ireletso Hape ho latela litlhoko tsa mosebelisi, eketsa khetla e sireletsang.
Ntlo ea IP20 e thibela ho kena ha litaba tse tiileng tsa kantle ho naha tse fetang 12 mm mme e fana ka tšitiso ho likarolo tse phelang.
2.4. Sistimi ea taolo ea mocheso
Ts'ebetso e bolokehileng le e ts'epahalitsoeng le bophelo ba ts'ebeliso ea sesebelisoa sa motlakase haholo li its'etleha ho ts'ireletso e ts'epahalang le e ts'epahalitsoeng ea motlakase o fetotsoeng. Mocheso oa matsoelintsoeke o fetang mocheso oa ho koala ke le leng la mabaka a mantlha a hore ts'ireletso e senngoe 'me transformer e ke ke ea sebetsa ka mokhoa o tloaelehileng.
SC letoto la terata e lahlang sesebelisoa -phase low-voltage matsoelintsoeke, le fana ka tšireletso ea mogote bakeng sa bona.
Le phetoho ea mocheso ambient le mojaro, ha matsoelintsoeke fihla mocheso moedi, mocheso molaoli eo o tla ka tsela e iketsang romela pontšo ho laola fene simolleng (110 ℃), fene setopong (90 ℃), alamo (120 ℃) le leeto (145 ℃), e le hore sehlahisoa se na le ts'ireletso e ts'epahalang ea mojaro o fetang ts'ebetsong.
SC3 letoto la li-wirewound lahla li-transform li amohela theknoloji ea M & C ea patent bakeng sa ho fumana mocheso le taolo ea li-windings, mme e hlahisa mocheso oa mocheso o ka bonang mocheso oa moea ka kotloloho, le ho hlokomela taolo e qobelloang ea ho futhumatsa moea (AF), alamo ea ho tlola holimo le leeto la ho tlola holimo. transformer.
Kamora ho lokisa bothata bo tloaelehileng ba molaoli oa mocheso, mofetoleli o qala ho sebelisoa ka marang-rang, ebe molaoli oa mocheso o fuoa matla a ho sebetsa. Mocheso oa mocheso o boemong ba taolo e ikemetseng, 'me ho fumanoa mocheso le tšireletso ea transformer. Ha thempereichara ea matsoelintsoeke e phahame ho feta 110 ℃, molaoli oa mocheso o qala fan bakeng sa ho pholisa ho qobelloang; Haeba thempereichara e matsoelintsoeke e theohela ka tlase ho 90 ℃ tlasa moea o qobelloang oa ho futhumatsa, fan e emisa.
Haeba mocheso oa matsoelintsoeke o ntse o eketseha, molaoli oa mocheso o tla ntša alamo ea mocheso o feteletseng (155 ℃) le lets'oao la ho tlola holimo (170 ℃). e ka tsoelapele ho sebetsa, e hloka feela ho lekola le ho netefatsa hore transformer e maemong a tloaelehileng a ts'ebetso.
3. Papiso lipakeng tsa sesebelisoa se ommeng le se kentsoeng ka oli
Melemo ea bohlokoa le theko e tlase ea li-transformer tse qoelisitsoeng ka oli li thata ho li nkela sebaka ka li-transformer tse ling. .
Empa bakeng sa libaka tse nang le litlhokahalo tse phahameng tsa ts'ireletso ea mollo, mofuta o ommeng kapa o fetolehang mokelikeli o sa cheng le o sa chesang o sebelisoa. , mocheso oa mocheso o moholo, 'me nako ea matsoelintsoeke e lula e le kholo.
Ha e bapisoa le sesebelisoa se kentsoeng ka oli, boemo ba ts'ebetso e kenelletseng ba transformer e ommeng bo ntlafalitsoe.
Lebelo la phepelo ea motlakase o ommeng le lenyane, ts'ebetso ea ka tlung ha e bapisoa le li-transformer tse qoelitsoeng ka oli, e na le bothata ba bophahamo ba motlakase o tlase oa lehalima, hlooho ea leqhubu le liehang le monyetla oa ho otla ha lehalima.
Li-transformer tse ommeng hangata li sirelelitsoe ke li-oxide tsa tšepe tse ts'oereng, tse sa lekanyeng feela tšubuhlellano ea sepakapaka, empa hape e fokotsa tšubuhlellano ea kahare.
Nako ea poso: Jul-26-2021