Ho utloisisa mefuta ea li-transformer le ts'ebeliso ea tsona

Selelekela

Li-transformer ke bahale ba sa tsejoeng ba lefats'e la motlakase, ba bapalang karolo ea bohlokoa ho fetisa le ho aba matla a motlakase ka katleho lipotolohong tse fapaneng le maemo a motlakase. Lisebelisoa tsena tsa motlakase, tse sebetsang ho latela melao-motheo e fumanoeng ke Michael Faraday, li bohlokoa haholo ho fehlang motlakase, phetisong le lits'ebetsong tsa kabo, hammoho le lits'ebetso tse ngata tsa elektroniki.

Khetho ea transformer e ama ho khena, ho thiba, ho phahama ha mocheso, le ho jara manonyeletso a solder, kahoo likarolo tsa makenete tse kentsoeng li lokela ho hlahlojoa ka tataiso ea moralo oa transformer ea ho kenya PCB le ts'ebetso e reriloeng ea ho kopanya lesoba.

Tataisong ena e felletseng, re tla shebana le mefuta e fapaneng ea li-transformer, kaho ea tsona le ts'ebeliso ea tsona, re fa lienjiniere tsa motlakase le litsebi kutloisiso e phethahetseng ea likarolo tsena tsa bohlokoa.

Lintho tsa motheo tsa Transformer

Pele o hlahloba mefuta e fapaneng ea li-transformer, ho bohlokoa ho utloisisa melao-motheo ea bona ea ts'ebetso. Li-transformer li ipapisitse le mohopolo oa induction ea electromagnetic, e lumellang phetisetso ea matla a motlakase lipakeng tsa lipotoloho tse peli kapa ho feta ka matla a khoheli a arolelanoang.

Bohareng ba transformer ho na le konokono ea makenete, eo hangata e entsoeng ka tšepe ea laminated kapa ferrite, eo mapheo a mabeli kapa ho feta a phuthetsoeng ho eona. Maqhubu a mantlha a hokahane le mohloli oa motlakase oa ho kenya, ha moea oa bobeli o hokahantsoe le mojaro.

Ha motlakase o fapanyetsanang (AC) o phalla ka har'a matsoelintsoeke a mantlha, o theha matla a khoheli a fapaneng bohareng. Matla ana a matla a khoheli a fapaneng a etsa hore ho be le motlakase sebakeng sa bobeli, ho lumella matla a motlakase hore a fetisoe ho tloha potolohong ea mantlha ho ea ho potoloho ea bobeli ntle le khokahano ea motlakase e tobileng lipakeng tsa tse peli.

Karo-karolelano ea motlakase lipakeng tsa matsoelintsoeke a mantlha le a bobeli e khethoa ke karo-karolelano ea palo ea ho thinya ho matsoelintsoeke ka 'ngoe. Molao-motheo ona o lumella li-transformer ho phahamisa kapa ho theola li-voltage, e leng se etsang hore e be tsa bohlokoa bakeng sa phetisetso ea motlakase le ho ajoa, hammoho le lits'ebetso tse fapaneng tsa elektroniki.

Mefuta ea li-transformer tse thehiloeng ho matla a motlakase

Li-transformer li ka aroloa ka mokhoa o pharaletseng ka mekhahlelo e 'meli e meholo ho latela maemo a motlakase ao ba a sebetsanang le ona: li-transformer tse nyolohang holimo le li-transfoma tse theohang tlase.

Li-transformers tsa ho phahamisa

Li-transformer tse ntseng li nyoloha li etselitsoe ho eketsa motlakase ho tloha sebakeng sa mantlha ho ea ho matla a phahameng a maqhubu a bobeli. Li-transformer tsena li sebelisoa hangata lits'ebetsong tsa phetisetso ea matla, moo ho hlokahalang hore ho be le maqhubu a phahameng ho fokotsa tahlehelo libakeng tse telele.

Li-transformer tse ntseng li tsoela pele li na le palo e nyane ea ho thinya matsoelineng a mantlha ha li bapisoa le matsoelintsoeke a bobeli, e leng se etsang hore ho be le motlakase o phahameng lehlakoreng la bobeli. Phetoho ena ea motlakase e finyelloa ka molao-motheo oa ho kenella ha motlakase oa motlakase, moo matla a khoheli a fetohang mokokotlong a kenyang matla a phahameng a matsoelintsoeke a bobeli ka ho chenchana ho eketsehileng.

Li-transformers tsa mohato o tlase

Ka lehlakoreng le leng, li-transformer tse theohang li sebelisoa ho fokotsa matla a motlakase ho tloha moeeng o ka sehloohong ho ea ho motlakase o tlase sebakeng sa bobeli. Li-transformer tsena li bohlokoa bakeng sa lits'ebetso tse fapaneng, ho kenyelletsa kabo ea matla a bolulo le khoebo, hammoho le lisebelisoa tsa elektroniki tse sebetsang ka matla a tlase.

Ho li-transformer tse theohang, moea o ka sehloohong o na le palo e kholoanyane ea ho chenchana ha ho bapisoa le maqhubu a bobeli, e leng se etsang hore ho be le motlakase o tlase lehlakoreng la bobeli. Phokotso ena ea motlakase ea hlokahala ho netefatsa ts'ebetso e bolokehileng le e sebetsang ea lisebelisoa tsa motlakase le lisebelisoa.

Mefuta ea li-transformer tse thehiloeng ho Core Material

Thepa ea mantlha e sebelisoang ho transformer e bapala karolo ea bohlokoa ho lekanyeng ts'ebetso ea eona, ts'ebetso ea eona, le ho nepahala ha lits'ebetso tse ikhethileng. Transformer cores e ka aroloa ka mefuta e meraro ea mantlha: tšepe ea mantlha, mokokotlo oa ferrite le moea oa moea.

Liphetoho tsa tšepe tsa tšepe

Li-transformer tsa tšepe tsa tšepe li sebelisoa haholo tsamaisong ea kabo ea matla le phetisetso ka lebaka la ts'ebetso ea tsona e phahameng le bokhoni ba ho sebetsana le maqhubu a maholo. Li-transformer tsena li sebelisa li-laminations tsa tšepe ea boleng bo holimo ea silicon kapa tšepe ea motlakase e shebaneng le lijo-thollo e le thepa ea mantlha.

Mokotla oa tšepe o fana ka tsela e nepahetseng bakeng sa phallo ea makenete, ho fokotsa tahlehelo ea matla le ho netefatsa phetisetso e nepahetseng ea matla. Li-transformer tsa tšepe tsa mantlha hangata li kholo ebile li boima ho feta mefuta e meng empa li fana ka ts'ebetso e phahameng ho latela matla a ho sebetsana le matla le katleho.

Ferrite Core Transformers

Li-transformer tsa Ferrite core li loketse hantle lits'ebetso tsa maqhubu a holimo, joalo ka phepelo ea motlakase, li-circuits tsa radio frequency (RF) le lits'ebetso tsa mehala. Li-ferrite cores li entsoe ka thepa ea ceramic e kenang haholo e entsoeng ka tšepe ea oxide le li-oxide tse ling tsa tšepe.

Li-ferrite cores li ipabola ka maqhubu a phahameng ka lebaka la tahlehelo ea hona joale ea eddy e tlase le restivity e phahameng, e fokotsang ho felloa ke matla. Li-transformer tsena hangata li nyane, li bobebe, 'me li sebetsa hantle ho feta litšepe tsa tsona tsa mantlha ha li sebetsa ka maqhubu a phahameng.

Air Core Transformers

Li-air core transformers, joalo ka ha lebitso le bontša, ha li na motheo o tiileng oa makenete. Ho e-na le hoo, li itšetlehile ka moea o potolohileng ho fana ka tsela ea makenete bakeng sa khokahanyo ea phallo pakeng tsa maqhubu a mantlha le a bobeli.

Li-air core transformer li sebelisoa haholo lits'ebetsong tse ikhethileng moo thepa ea mantlha e ka hlahisang litlamorao tse sa rateheng, joalo ka li-circuits tsa RF tsa maqhubu a phahameng kapa lisebelisoa tsa ho tjhaja waelese. Le ha li fana ka melemo ho latela boima le boholo, li-air core transformer hangata ha li sebetse hantle ho feta litšepe tsa tsona tsa tšepe kapa tsa ferrite ka lebaka la ho kenella ho tlase ha moea.

Mefuta ea li-transformer tse ipapisitseng le tlhophiso ea moea

Tlhophiso ea li-windings tsa mantlha le tsa bobeli ka har'a transformer e ka boela ea sebelisoa ho arola mefuta e fapaneng ea li-transformer. Likarolo tse peli tse ka sehloohong sehlopheng sena ke li-transformer tsa mofuta oa mantlha le li-shell-type transformer.

Li-transformers tsa mofuta oa mantlha

Li-transformer tsa mofuta oa mantlha, li-winding tsa mantlha le tsa bobeli li phuthetsoe ho pota-potile mokokotlo o bohareng oa makenete, oo hangata o entsoeng ka tšepe ea laminated kapa ferrite. Tokisetso ena e lumella khokahanyo e sebetsang hantle ea makenete lipakeng tsa li-winding le bohareng, e leng se bakang phallo e fokolang ea leakage.

Li-transformer tsa mofuta oa li-core li atisa ho sebelisoa kabong ea matla le lits'ebetsong tsa phetisetso, moo ts'ebetso e phahameng le phallo e tlase ea leakage e leng bohlokoa. Leha ho le joalo, li ka ba boima le ho ba boima ho feta li-transformer tsa mofuta oa khetla ka lebaka la tlhophiso e matsoelintsoeke.

Li-transformers tsa mofuta oa khetla

Ka li-transformer tsa mofuta oa khetla, matsoelintsoeke a mantlha a pota-potiloe ke matsoelintsoeke a bobeli, 'me mapheo ka bobeli a koaletsoe ke matla a khoheli. Tlhophiso ena e ikemiselitse ho fokotsa phallo ea leakage ka ho fana ka tsela e kentsoeng haholoanyane bakeng sa matla a khoheli.

Li-transformer tsa mofuta oa khetla hangata li ratoa bakeng sa lits'ebetso moo boholo le boima e leng lintlha tsa bohlokoa, joalo ka lisebelisoa tsa elektroniki tse nkehang habonolo kapa lisebelisoa tsa sefofane. Ba fana ka moralo o kopaneng haholoanyane ha o bapisoa le li-transformer tsa mofuta oa mantlha empa e kanna ea ba le phallo e phahameng hanyane ea ho lutla le ts'ebetso e tlase maemong a mang.

Mefuta ea li-transformer tse ipapisitseng le lits'ebetso

Li-transformer ke lisebelisoa tse fapaneng tse nang le mefuta e mengata ea ts'ebeliso, ho tloha ho fehlang motlakase le ho ajoa ho isa ho lipotoloho tse khethehileng tsa elektroniki. Mona ke mefuta e meng e tloaelehileng ea li-transformer tse ipapisitseng le ts'ebeliso ea tsona:

Li-transformer tsa matla

Li-transformer tsa motlakase ke li-transformer tse kholo, tse nang le matla a phahameng a matla a sebelisoang mekhoeng ea ho fehla matla le ea phetisetso. Li-transformer tsena li etselitsoe ho sebetsana le matla a maholo a motlakase 'me hangata li lekantsoe ka megavolt-amperes (MVA).

Li-transformer tsa motlakase li bapala karolo ea bohlokoa ho nyolleng matla a motlakase ho tloha lifemeng tsa motlakase bakeng sa phetiso e nepahetseng libakeng tse telele le ho theola motlakase hore o isoe libakeng tsa bolulo le tsa khoebo.

Bafetoleli ba Tsamaiso

Li-transformer ke li-transformer tse nyane tse sebelisoang mothating oa ho qetela oa phepelo ea motlakase, moo li theolang motlakase ho tloha mehala ea mantlha ea kabo ho ea ho li-voltage tse tlase tse hlokahalang bakeng sa lits'ebetso tsa bolulo le tsa khoebo.

Li-transformer tsena hangata li na le mohato o le mong kapa oa mekhahlelo e meraro 'me li lekantsoe ka tlase ho 200 kVA. Li ka kenngoa ka palo, ka tlas'a lefatše, kapa li kenngoa ka pad, ho itšetlehile ka litlhoko tse khethehileng tsa ho kenya.

Li-transferral tsa kabo li etselitsoe hore li be mahlahahlaha le tse ka tšeptjoang, kaha li pepesehetse maemo a fapaneng a tikoloho 'me ke likarolo tsa bohlokoa ho netefatsa phepelo e tsitsitseng le e bolokehileng ea motlakase ho basebelisi ba ho qetela.

Lisebelisoa tsa liletsa

Li-transformer tsa lisebelisoa, tse tsejoang hape ka hore ke li-metharo, ke li-transformer tse khethehileng tse sebelisoang 'moho le lisebelisoa tsa ho metha motlakase, li-relay le lisebelisoa tsa ts'ireletso. Li-transformer tsena li sebeletsa ho arola lisebelisoa tsa ho lekanya tse hlokolosi ho tsoa ho maqhubu a phahameng le maqhubu a teng lits'ebetsong tsa motlakase.

Mefuta e 'meli e tloaelehileng ea li-transformer tsa lisebelisoa ke:

• Li-Transformers tsa Hona joale (CTs): Li-transformer tsa morao-rao li sebelisetsoa ho theola maqhubu a phahameng a tsamaiso ea matla ho ea ho maemo a sireletsehileng, a ka lekanyetsoang bakeng sa lisebelisoa le li-relay.
• Li-voltage Transformers(VTs): Li-voltage transformer li sebelisetsoa ho theola maqhubu a phahameng a tsamaiso ea matla ho ea ho maemo a bolokehileng, a ka lekanyetsoang bakeng sa lisebelisoa le lisebelisoa.

Baratani ba itšehlang thajana

Li-transformer tsa ho itšehla thajana li etselitsoe ho fana ka karohano ea motlakase lipakeng tsa lipotoloho tse peli, ho thibela phetiso ea motlakase kapa hona joale ho tloha potolohong e 'ngoe ho ea ho e' ngoe. Hangata li sebelisoa ho sireletsa lisebelisoa tsa elektroniki tse hlokolosi ho loops, li-voltage spikes le lerata la motlakase.

Ho transformer ea ho itšehla thajana, li-winding tsa mantlha le tsa bobeli li na le palo e lekanang ea ho reteleha, e leng se bakang karo-karolelano ea matla a input-to-output a 1:1. Leha ho le joalo, li-winding li arohane ka 'mele, ho netefatsa hore ha ho na motlakase o tobileng pakeng tsa lipotoloho tsa mathomo le tsa bobeli.

Li-transformer tsa ho itšehla thajana li fumana lits'ebetso ho lisebelisoa tsa bongaka, litsamaiso tsa molumo, le maemo a mang moo ho itšehla thajana ho leng bohlokoa bakeng sa polokeho le ts'ebetso.

Li-autotransformers

Li-Autotransformers ke li-transformer tse ikhethang tse nang le matsoelintsoeke a le mong a sebetsang joalo ka mapheo a mantlha le a bobeli. Karolo e 'ngoe ea matsoelintsoeke ena e tloaelehile ho li-circuits tsa ho kenya le ho tsoa, ​​​​ho lumella hore ho be le moralo o kopanetsoeng le o sebetsang hantle ha o bapisoa le li-transformer tse tloaelehileng.

Li-autotransformer hangata li sebelisoa lits'ebetsong moo ho hlokahalang ho nyoloha kapa ho theoha ha motlakase o monyane, joalo ka li-circuits tsa taolo ea motlakase tse fapaneng, li-induction motor le lisebelisoa tsa tlhahlobo.

Le hoja li-autotransformers li fana ka melemo ho latela boholo le katleho, ha li fane ka ho itšehla thajana ha motlakase pakeng tsa lipotoloho tsa mantlha le tsa bobeli, e ka 'nang ea e-ba tšitiso lits'ebetsong tse itseng.

Li-Pulse Transformers

Li-pulse transformer ke li-transformer tse khethehileng tse etselitsoeng ho fetisa maqhubu a motlakase a nakoana pakeng tsa li-circuits ha li ntse li boloka botšepehi ba matšoao le ho fana ka boinotšing. Li sebelisoa haholo lipotolohong tsa dijithale, lits'ebetsong tsa puisano, le lits'ebetsong tsa motlakase oa motlakase.

Li-transformer tsa pulse li ntlafalitsoe bakeng sa linako tse nyolohang ka potlako le ho khopama ho tlase, ho netefatsa phetiso e nepahetseng le e tšepahalang ea matšoao a pulse. Hangata li hahiloe ka li-winding tse nang le matla a tlaase le li-cores tse phahameng tse khonang ho fokotsa ho senyeha ha matšoao le nako ea jitter.

Li-transformer tsa Pulse li bapala karolo ea bohlokoa ho bolokeng botšepehi ba matšoao lits'ebetsong tse potlakileng tsa dijithale le tsa puisano, moo nako e nepahetseng le botsitso ba matšoao li leng bohlokoa.

Bakeng sa tlhahlobo e felletseng ea tlhahiso, sebelisa sengoloa sena hammoho le tlhahlobo e ikhethang ea malapa a laminate a nang le tahlehelo e tlase le tlhahiso ea PCB ea letsopa ha u hlahloba litlhoko tsa stackup, kopano, kapa liteko.

fihlela qeto e

Lefatšeng le matla la boenjiniere ba motlakase, ho utloisisa mefuta e fapaneng ea li-transformer le lits'ebetso tsa tsona ho bohlokoa bakeng sa ho rala litsamaiso tse sebetsang hantle le tse tšepahalang. Ho tloha kabong ea matla le phetiso ho lipotoloho tse khethehileng tsa elektroniki, li-transformer ke mokokotlo oa lits'ebetso tse ngata.

Hore na o sebetsa ka lisebelisoa tsa motlakase tse phahameng haholo, lisebelisoa tsa elektroniki tse tlase, kapa lits'ebetso tse ikhethileng tsa ts'ebetso ea mats'oao, ho khetha transformer e nepahetseng ho bohlokoa bakeng sa ts'ebetso e nepahetseng, polokeho le litšenyehelo.

Ka ho nahana ka lintlha tse kang maemo a motlakase, lisebelisoa tsa mantlha, litlhophiso tsa maqhubu, le litlhoko tse ikhethileng tsa ts'ebeliso, lienjineri tsa motlakase li ka etsa liqeto tse nang le tsebo mme tsa khetha transformer e loketseng merero ea bona.

Ha thekenoloji e ntse e tsoela pele ho fetoha, ha ho pelaelo hore meralo le lits'ebetso tsa li-transformer tse ncha li tla hlaha, li atolose ho feta tekano le bohlokoa ba likarolo tsena tsa bohlokoa tsa motlakase. Ka ho lula ba na le tsebo le ho amohela litharollo tse ncha, litsebi tsa motlakase li ka sebelisa bokhoni bo felletseng ba li-transformer ho ntšetsa pele tsoelo-pele indastering le libakeng tse fapaneng.