Sekiangnshan scoetech complical co, ltd
Solid State Transformer: The Core Engine of Power Transform in the AI Era
Nov 18, 2025
Siea molaetsa
Har'a kholo e kholo ea tlhokeho ea matla a komporo ea AI, matla a matla a likhabinete tse le 'ngoe litsing tsa komporo tse bohlale e ntse e phahama. Li-chip-tse phahameng tse kang H100/H200 li sebelisa matla a 700W, ha GB200 e feta 2700W. Khatello e tsamaisanang le mocheso le tahlehelo ea phetisetso li entse hore meralo ea khale ea phepelo ea motlakase e se ke ea tšoarella. Khahlanong le maemo ana, Solid State Transformer (SST), e ipapisitseng le lisebelisoa tsa elektroniki tse laoloang ka botlalo le{9}}marang-rang a mahlale a khokahanyo ea matla a khoheli, e hlahile e le sesebelisoa sa mantlha sa ho tšehetsa{10}}lihlopha tsa k'homphieutha tse phahameng le ho haha{11}mofuta o mocha oa mofuta oa motlakase, o kenyang nako e ncha ea phetoho ea motlakase e khetholloang ke "silicon" koporo retreating".
I. Theknoloji ea Bohlokoa: Lintlafatso tsa Boqapi ho Mehaho le Melao-motheo
Boqapi ba mantlha ba transformer ea boemo bo tiileng bo holim'a ho khelosa molao-motheo oa ho kenyeletsoa ha motlakase oa li-frequency frequency transfoma, ho hlokomela phetolo ea matla e sebetsang hantle le taolo e bohlale ka theknoloji ea ho fetola matla a elektroniki le{0}}maqhubu a matla a khoheli a phahameng. Sebopeho sa eona sa topological se nka moralo oa mekhahlelo e meraro{2}, o arotsoe ka{3}}mohato oa motlakase, oa ho itšehla thajana le{4}}mohato o tlase oa motlakase ho tloha holimo ho ea tlase. Popego ya mmele e tsamaellana le khokahanyo e felletseng ya khabinete e mahareng ya-motlakase wa ho kenya letsoho, khabinete e bohareng ya motlakase, e phahameng-sefetola se fetofetohang, -motlakase wa yuniti ya mahlakoreng a motlakase le khabinete e ntshang, e etsang{9}}loop system e koetsoeng ho tloha ho tse kenang ho isa ho tse hlahisoang.
E le mokhoa oa morao-rao oa ho iphetola ha lintho oasetsi sa dataSistimi ea phepelo ea motlakase, SST e sebelisa-bandgap semiconductor lisebelisoa tse ngata joalo ka silicon carbide (SiC) e le mantlha ho fihlella ka kotloloho phetoho e sebetsang hantle ho tloha ho 10kV AC ho isa ho 800V DC, e nkela sebaka ka botlalo li-transformer tsa khale tsa motlakase le{3}lihokelo tsa{3}} tse ngata tsa kabo ea motlakase. Tsela ena ea tekheniki ea "silicon advancing and copper retreating" ha e nolofatse sehokelo sa phepelo ea motlakase feela, empa hape e e fa matla a phallo ea matla a mahlakore a mabeli, e leng se etsang hore e be sesebelisoa sa bohlokoa se tšehetsang "mohloli{5}}grid-moroalo-ea polokelo" e kopaneng ea meralo. E tsamaisana le motlakase oa libese oa 750-800V DC 'me e khona ho hokela lisebelisoa tse teng tsa UPS/HVDC ka mokhoa o mocha oa matla.
Ha ho bapisoa le maano a khale, tšobotsi e hlahelletseng ea tekheniki ea SST ke "tharo-mokhoa oa ho kopanya{1}e le 'ngoe", o kopanyang mesebetsi ea lisebelisoa tse tharo tse tloaelehileng: transformer, khabinete ea kabo ea motlakase le UPS. Matla a eona a ho fetola matla a holimo ho 98.3%, karolo ea 2-3 lekholong e phahame ho feta morero oa setso. Ho ea ka boholo ba 'mele, bolelele bo fokotsoa ka hoo e ka bang 60% ha bo bapisoa le moralo oa Eaton oa lihlahisoa tsa setso, e leng ho bolokang sebaka sa kamore haholo. Ka nako e ts'oanang, ka moralo oa ho futhumatsa ha tlhaho oa moea, o fokotsa bothata ba moralo oa ho senya mocheso, o felisa mohato oa ho tlatsa oli, 'me o fokotsa tšilafalo.
II. Litšobotsi tsa mantlha: Likarolo tse peli tsa Melemo le Liphephetso
(I) Melemo e Feteletseng ea Tekheniki
Melemo ea li-transformer tsa boemo bo tiileng li bonahala ka litekanyo tse ngata tse kang ho sebetsa hantle, ho sebetsa le ho feto-fetoha ha maemo. Mabapi le taolo ea boleng ba motlakase, e ka khona{1}}ho laola nako ea hona joale, motlakase le matla, ea fumana maqhubu a sa khaotseng le ho tsoa ha motlakase ka linako tsohle, 'me ntlha ea mantlha ea matla e lula e le haufi le 1.0. 0.1ms-lebelo la karabelo la boemo bo ka buseletsa ka potlako tekanyo ea matla a sistimi ea motlakase, la hanana le tšitiso e joalo ka ho feto-fetoha ha photovoltaic, le ho fokotsa haholo tšilafalo ea motlakase.
Mabapi le ts'epo le polokeho, SST ha e hloke lisebelisoa tse tloaelehileng tsa ts'ireletso ea relay mme e na le ts'ebetso ea li-circuit breakers, tse ka timang phoso e kholo ea hona joale ho li-microseconds. E sebelisana le sistimi e hole ea ho lekola marang-rang, e ka khona ho fumana taolo e ikemetseng ea marang-rang a kabo ea matla. Moralo oa eona oa modular o amohela likarolo tse feto-fetohang tsa semiconductor tse holileng le theknoloji ea ZVS/ZCS, e sa ntlafatse matla a matla feela, empa hape e thusa katoloso e bonolo. Ts'ebeliso ea theknoloji ea ho kopanya matla a khoheli e tsoela pele ho hatella bophahamo ba mojule mme e etsa hore ts'ebetso ea sistimi e be bonolo haholoanyane.
Mabapi le tšebelisano ea matla, SST e boloka lihokelo bakeng sa phihlello e ncha ea matla. Nakong e tlang, e ka kopanya ka mokhoa o sa tsitsang photovoltaic, polokelo ea matla, liqubu tsa ho tjhaja le lisebelisoa tse ling. Le hoja e sebelisoa haholo-holo ho li-betri tsa lithium hajoale, e thehile motheo oa phepelo e tobileng ea matla a tala le tšebeliso ea matla e ajoang. Ka nako e ts'oanang, libopeho tsa eona tse phahameng-tse matla a DC li fokotsa tšebeliso ea lithapo le lisebelisoa tsa busbar tse ka morao-lithapo tsa phetiso. Ha e kopantsoe le li-server tsa DC-tse tsamaeang ka matla, e ka fokotsa khokahanyo le ho ntlafatsa katleho ea tšebeliso ea matla.
(II) Mehato ea Hajoale ea Nts'etsopele
Leha e na le melemo e mengata, solid state transformer e ntse e le boemong ba-ba holileng tsebong ba pheteletso ea theknoloji le ho lema mebaraka. Ho hloleha ho fihlella{2}}tlhahiso e kholo ho lebisa ho hlokeheng{3}}netefatso ea nako e telele ea ho tšepahala ha eona. Lisebelisoa tsa elektronike tsa matla a ka hare, li-capacitor le li-fan tse futhumatsang kaofela ke lintlha tse ka 'nang tsa e-ba teng,' me maqhubu a phoso a phahame ho feta a li-transformer tsa setso tse nang le mehaho e bonolo.
Theko e phahameng ke eona ntho ea mantlha e thibelang kholo ea eona ea indasteri. Litefiso tsa mohato oa tlhahiso ea teko ke li-yuan tse 4-7 li-yuan ka watt, haholo-holo ka lebaka la theko e holimo le tlhahiso e fokolang ea lisebelisoa tsa semiconductor tse pharaletseng-le lisebelisuoa tse phahameng- tsa makenete. Ho feta moo, boemo ba -voltage e bohareng bo na le litlhokahalo tse phahameng bakeng sa boemo ba ho hanyetsa motlakase oa likarolo, 'me potoloho e hloka ho hlophisoa bocha. Litsenyehelo tsa ho reka-karolo ea likarolo tsena tse khethehileng li holimo mokhahlelong oa tlhahiso ea lihlotšoana tse nyane.
Ekholoji ea indasteri e sa holang le eona e hloka ho rarolloa ka potlako: ho na le khaello ea thepa ea thepa e lokiselitsoeng ho 800V DC. Esita le morero oa Nvidia o hloka ho fana ka matla ho mojaro ka phetoho ea 800V ho ea ho 48V; kholo ea likarolo tsa ts'ireletso ea DC joalo ka li-switches ha ea lekana, haholo-holo ho itšetlehile ka li-fuse le li-switches tse arohaneng; khaello ea lihlopha tsa ts'ebetso le tlhokomelo ea litsebi le khaello ea ts'ebetso e hōlileng tsebong le phihlelo ea tlhokomelo e etsa hore ho beha leihlo letsatsi le leng le le leng le ho sebetsana le liphoso tsa SST ho be thata haholo ho feta li-transformer tsa setso. Ntle le moo, ts'ebeliso ea eona le phepelo ea eona e hloka ho fumana tšebelisano 'moho le lik'hamphani tsa marang-rang a motlakase mme e ke ke ea etsoa qeto ka bonngoe, e leng ho lelefatsang potoloho ea ho lulisa.
III. Maemo a Kopo: Phethahatso ea Boleng Mabakeng a Fapaneng
Hajoale, li-transformer tsa boemo bo tiileng li kentsoe le ho sebelisoa ka tekanyo e kholo maemong a mararo a mantlha, kaofela li tsepamisitsoe sepheong sa mantlha sa "ho ntlafatsa ts'ebetso ea matla le ho ikamahanya le litlhoko tse fapaneng tsa matla", ho bonts'a tebello e pharaletseng ea ts'ebeliso.
AC{{0}DC hybrid distribution network
SST, joalo ka "energy router", e hlokomela hore AC le DC motlakase li arolelana marang-rang a ts'oanang a kabo, 'me e fokotsa tahlehelo ea -maemo a mangata. Mesebetsi ea eona e joalo ka phallo ea matla a mahlakore a mabeli le taolo e feto-fetohang ea phallo ea matla e ka eketsa sekhahla sa tšebeliso ea matla ka ho feta 18%, ea ntlafatsa bokhoni ba phihlello ea koloi ea motlakase ka 20%, le ho fokotsa marang-rang a kabo le tahlehelo ea marang-rang a microgrid ho fihla ho 5%, e leng bohlokoa ho ntlafatsa ts'epo ea grid ea matla le sekhahla sa ts'ebeliso ea matla a nchafatsoang.
scenario ea khokahano e tobileng ea matla a matala
SST e nka karolo ea mantlha ea "fill DC step-up access" le ho aha mocha o koetsoeng oa motlakase o motala ka mehala e ikemetseng. Photovoltaic le lisebelisoa tsa polokelo ea matla li ka matlafatsoa ka kotloloho ka SST ho fana ka lits'ebeletso tsa phepelo e tobileng bakeng sa meroalo e meholo ea DC joalo ka litsi tsa data, tlhahiso ea haedrojene le electrolysis, ho tlosa ho itšetleha ka marang-rang a matla a AC, ho fokotsa tahlehelo ea matla lihokelong tse mahareng, le ho khothaletsa tšebeliso e nepahetseng ea matla a tala.
lebala la liteishene tsa ho tjhaja koloi tsa motlakase
SST e nka sebaka sa li-transformer tsa khale le lisebelisoa tsa converter ho sebelisa "chain power electronics", e fana ka boiphihlelo ba ho tjhaja-palo" tse 'nè: ka botlalo (mesebetsi e felletseng ea polokelo ea mahlo, ho tjhaja le ho fetola, le ho ikamahanya le mefuta ea likoloi), ho bonolo haholo (15% ea ho boloka sebaka le 20% ea ho boloka matla a masepala), ka potlako haholo (e tšehetsang MW{{3}) ho tjhaja, lik'hilomithara tse 100 tsa sebaka sa ho khanna ka motsotso o le mong), 'me e sebetsa hantle haholo (bosebetsi bo kaholimo-limo E kholo ho feta kapa e lekana le 97.5%, 5% ho feta mekhoa ea khale), e khahlametsa ntlafatso ea nako e tlang ea litlhoko tsa ho tjhaja{8}}ka potlako.
Ho feta moo, ts'ebeliso ea SST litsing tsa data ke eona e bohlokoa ka ho fetesisa, e fetoha tataiso ea mantlha e khothaletsoang ke linatla tsa theknoloji tse kang Nvidia, tse ka ts'ehetsang ts'ebetso e tsitsitseng ea{0}lihlopha tsa GPU tse matla haholo; lebaleng la lipalangoang tsa literene, leha ho na le linyeoe tse fokolang hajoale, e bonts'itse bokhoni bo hlakileng ba ts'ebeliso ka matla a eona a ho sokoloha hantle le matla a taolo a bohlale.
IV. Mokhoa oa Mmaraka le Tsoelopele ea Liindasteri
(I) Boemo ba Mmaraka le Boemo ba Tlholisano
Mmaraka o tiileng oa li-transformer o kena nakong ea kholo e potlakileng. Palo ea thekiso ea lefatše ka bophara e fihlile ho lidolara tse limilione tse 442 ka 2024, 'me e lebelletsoe ho nyolohela ho lidolara tse limilione tse likete tse 1.747 ka 2031, ka sekhahla sa kholo ea selemo le selemo (CAGR) sa 22.0% ho tloha 2025 ho isa 2031. Mmaraka oa lefats'e o shebane haholo le Amerika Leboea, Asia Pacific le Europe. Mefuta ea lihlahisoa haholo-holo e na le li-transformer-mehato tse tharo- tse tharo, tse nkang karolo ea 90% ea karolo ea 'maraka hammoho.
Tlhōlisano ea hona joale ea 'maraka e fana ka mohlala oa "phello e fapaneng",' me echelon e tsitsitseng ea tlhōlisano ha e e-s'o thehoe. Barupeluoa ba ka sehloohong ba kenyelletsa linatla tsa machaba tse kang ABB, Siemens le General Electric, hammoho le likhoebo tsa malapeng le tsa linaheng tse ling tse kang Eaton, Vertiv, Delta, XD Electric le Sifang Electric. Ka lebaka la theko e holimo le tlhahiso e fokolang ea likarolo tse holimo, le litšitiso tse phahameng tsa tekheniki{2}}ka mokhoa o phahameng oa thuto ea maemo a holimo le moralo oa taolo, SST ha e so fihlele{3}}karolo e kholo ea indasteri, e leng ho etsang hore ho be thata ho hlakisa mokhoa oa tlholisano ka ho arolelana 'maraka.
(II) Khatelo-pele ea Theknoloji ea Lehae le ea Kantle ho Naha
Mmaraka oa mose ho maoatle o qalile pejana mme o hatela pele ka potlako lebaleng la SST. Mmaraka oa Amerika o etelletsoe pele ke linatla tsa theknoloji tse kang Meta, Nvidia le Google. E le k'hamphani e itlhommeng pele, Eaton e fihletse liteko tse nyenyane- tsa liteko, e rometse lisebelisoa tse tharo ho 21Vianet ka Tšitoe 2024, 'me e fane ka lihlahisoa tse ikhethileng bakeng sa bareki ba mose ho maoatle ba kang Nvidia le Google ho ikamahanya le maemo a US 13.8kV medium-voltage power grid. Li-prototypes tsa Vertiv, Delta le Schneider li se li laetsoe. Har'a tsona, morero oa Vertiv's ± 400V o lebelletsoe ho fana ka Meta kotareng ea pele ea 2026, 'me Delta e hahile mohala o felletseng oa sehlahisoa o koahelang SST, Sidecar le 800V ho isa 48V PSU.
Hajoale 'maraka oa lehae o boemong ba liteko tsa liteko tsa nakoana, tse nang le linyeoe tse ka tlase ho 10 tse tsejoang, mme tsoelo-pele ka kakaretso e lieha ho feta ea mose ho maoatle. Morero oa teko oa setsi sa boitsebiso sa 21Vianet se kentsoeng ke Eaton se na le nako e ka etsang selemo se sebetsa; XD Electric's 800V SST e fetisitse tlhahlobo ea litsebi ka Phato 2025 mme e emetse ho kena sethaleng sa teko; Mohlala oa 1250KVA oa Weiguang New Energy o kentsoe mohahong oa Beiyun Electric ea nang le kabelo; likhoebo tse kang Sifang Electric, Jinpan Technology le Zhongheng Electric le tsona li hlahisitse lihlahisoa kapa merero e amehang. Har'a bona, Zhongheng Electric ke eena feela moetsi oa malapeng ea hlahisitseng tharollo e feletseng ea 800V HVDC.
Ho ea ka tatellano ea nako ea kholo ea indasteri, ho lebelletsoe hore -karolo e nyane ea SST e tla phethahala lefats'eng ka bophara halofong ea bobeli ea 2026, 'me ts'ebeliso e kholo-ea sehlopha e tla tlameha ho ema ho fihlela halofo ea pele ea 2027. Ho bohlokoa ho hlokomela hore HVDC ke ntho e hlokahalang bakeng sa ho phahamisoa ha SST. Nvidia Rubin e rera ho kenya HVDC halofong ea bobeli ea 2026. Ke feela ka mor'a hore ho phetheloe phetoho e phahameng-motlakase oa DC moo ts'ebeliso e kholo ea{7}} ea SST e ka phethahala. Ka hona, HVDC e fetohile sehokelo sa mantlha sa botlolo sethaleng sa hajoale.
V. Maemo le Litlhaloso: Tlhahlobo ea Boemo ba Indasteri
Hajoale, ha ho na maemo a kopaneng a indasteri bakeng sa li-transformer tse tiileng tsa mmuso. Ha u ntse u boloka botsitso lintlheng tsa mantlha, litlhaloso tsa lihlahisoa tsa bahlahisi ba fapaneng li na le lintlha tse fapaneng. Mabapi le lintlha tsa boleng, lihlahisoa tse tloaelehileng li lumellana le li-transformer tsa khale, 'me lintlha tsa mantlha tsa Eaton li akaretsa 1250KVA, 1600KVA, 2000KVA le 2500KVA; mabapi le motlakase o kenang, maemo a lehae ke 10kV, athe US medium{7}}maemo a motlakase ke 13.8kV; motlakase o hlahisoang o etsa mokhoa o fapaneng, o nang le DC 800V le ± 400V e le indasteri e ka sehloohong, litlhaloso tsa 750V tse ikamahanyang le litekanyetso tse ncha tsa matla tsa IEC, le litlhaloso tsa 400V tse finyellang litlhoko tsa 'maraka oa Amerika Leboea.
Mabapi le boholo ba 'mele, sehlahisoa se tloaelehileng se bolelele ba limithara tse 6, botebo ba limithara tse 1.5 le bophahamo ba limithara tse 2,2, se fokotsehileng haholo ha se bapisoa le morero oa setso. Ha e bapisoa le "Sidecar" e 'ngoe ea 800V HVDC indastering, SST e fapane le tlhahiso ea 400V AC ea morao-rao e nang le 10kV AC input, 'me e hlokomela "tse tharo-mokhoa o le mong" oa ts'ebetso, ha "Sidecar" e ntse e hloka ho boloka li-transformer tsa setso le kabo ea matla, likarolo tse thata tsa UPS le likarolo tse thata tsa UPS. li tlase haholo ho feta SST.
VI. Mekhoa ea Bokamoso: Phetoho ea Theknoloji le Ntlafatso ea Tikoloho
Nts'etsopele ea nako e tlang ea li-transformer tsa boemo bo tiileng e tla tsepamisa maikutlo lintlheng tse tharo: ntlafatso ea theknoloji, kholo ea tikoloho le katoloso ea maemo. Boemong ba R&D, bahlahisi ba tla tsepamisa maikutlo ho ntlafatseng mohala oa sehlahisoa, ho nts'etsapele letoto la lihlahisoa tse kopanyang maemo le tloaelo bakeng sa maemo a marang-rang a matla a linaha tse fapaneng le litlhoko tse fapaneng tsa phallo ea motlakase le karolo ea matla; ka nako e ts'oanang, matlafatsa ts'ebetso ea netefatso ea lits'ebetso tse ncha tsa phihlello ea matla le ho khothaletsa-momahano e tebileng ea photovoltaic, polokelo ea matla le lisebelisoa tse ling.
Taolo ea litšenyehelo ke khatelo-pele ea bohlokoa bakeng sa kholo ea indasteri. Ka ntlafatso ea matla a tlhahiso ea -lisebelisoa tse pharalletseng tsa semiconductor tsa bandgap, ntlafatso ea lisebelisuoa tse tšehetsang holimo le tlaase, le phello e fokolang e tlisoang ke-tlhahiso e kholo, litjeho tsa SST li lebelletsoe ho fokotseha butle-butle, ho khothalletsa phetoho ea eona ho tloha{3}}ho ea ho ts'ebeliso e tsebahalang. Mabapi le sistimi ea ts'ebetso le tlhokomelo, indasteri e tla theha butle-butle litekanyetso tsa ts'ebetso le tlhokomelo e butsoitseng le lihlopha tsa litsebi, ho fokotsa ho rarahana ha ts'ebetso le tlhokomelo ka litsamaiso tse bohlale tsa ho beha leihlo le ho ntlafatsa botsitso ba ts'ebetso ea lisebelisoa.
Ho hlophisoa ha maemo a indasteri ho tla potlakisa ts'ebetso ea maemo a 'maraka. Ho lebelletsoe hore litlhaloso tse kopaneng tsa tekheniki le litekanyetso tsa liteko li tla theoa hanyane ka hanyane lilemong tse 'maloa tse tlang, tse tataisang mmaraka hore o fetohe ho tloha "katleho e fapaneng" ho ea "tlholisanong e tloaelehileng". Ho latela maemo a ts'ebeliso, ho tlatselletsa litsing tse teng tsa data, marang-rang a kabo, liteishene tsa ho tjhaja le mafapha a mang, SST e tla fihlela katleho e kholo litabeng tsa lipalangoang, phepelo ea motlakase ea DC ea indasteri le maemo a mang, 'me e tla fetoha setsi sa bohlokoa molemong oa{2}}mofuta o mocha oa motlakase.
E le mateano a theknoloji ea motlakase le phetoho e ncha ea matla, transformer ea boemo bo tiileng ha se feela tharollo ea phepelo ea motlakase ho sebetsana le ho phatloha ha matla a khomphutha ea AI, empa hape ke tšehetso ea bohlokoa bakeng sa ho khothaletsa phetoho ea matla le ho aha{0}motlakase o motala le o tlase{0}motlakase oa khabone. Ka ntlafatso e tsoelang pele ea theknoloji le ntlafatso e tsoelang pele ea tikoloho, li-transformer tsa boemo bo tiileng li tla bapala karolo ea bohlokoa haholo phetohong ea matla a lefats'e, ho tlisa tiisetso ea matla e sebetsang hantle, e tenyetsehang le e hloekileng likarolong tsohle tsa bophelo.
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