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Siemens transformatoru modeļi

Siemens transformatoru modeļi

Transformators (Transformers) ir ierīce, kas maiņstrāvas sprieguma maiņai izmanto elektromagnētiskās indukcijas principu, galvenās sastāvdaļas ir primārā spole, sekundārā spole un dzelzs serde (magnētiskā serde). Galvenās funkcijas ir: sprieguma transformācija, strāvas pārveidošana, pretestības transformācija, izolācija, sprieguma stabilizācija (magnētiskā piesātinājuma transformators) utt. To var iedalīt strāvas transformatoros un speciālajos transformatoros (elektriskās krāsns transformators, taisngrieža transformators, jaudas frekvences pārbaudes transformators, spriegums) regulators, ieguves transformators, audio transformators, vidējas frekvences transformators, augstfrekvences transformators, trieciena transformators, instrumentu transformators, elektroniskais transformators), reaktori, transformatori utt.). Ķēdes simboli bieži tiek izmantoti kā T kā skaitļa sākums. Piemērs: T01, T201 utt.

Izejas reaktors: ja kabeļa izejas garums no invertora uz motoru ir lielāks par noteikto produkta vērtību, jāpievieno izejas reaktors, lai kompensētu pievienotās elektriskās kapacitātes lādēšanas un izlādes ietekmi, kad elektriskā strāva kabelis darbojas, lai izvairītos no invertora plūsmas. Izejas dv / dt reaktors: Lai ierobežotu invertora izejas sprieguma pieauguma ātrumu, lai nodrošinātu motora izolāciju normālu. Sinusoidālo viļņu filtrs: nomainiet invertora izejas spriegumu un strāvu aptuveni ar sinusoidālo vilni, samaziniet motora harmonisko domēna koeficientu un motora izolācijas spiedienu. Šīs opcijas jāuzstāda invertora izejas pusē.

Siemens transformatoru modeļi

Šis ir produkta modelis un tā ieviešana :

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2642-5AV00-0EA0。4AM2342-4TN00-0EA1。4AM23424TN000EA1。4AM23424TT100FA0。4AM23424TN000EB0。4AM23424TN000EA0。4AM23425AJ100FB0。4AM23425AT100FB0。4AM23425AT100FA0。4AM23425AN000EB0。4AM23425AN000EA0。4AM26424TT100FA0。4AM26424TN000EB0。4AM26424TN000EA0。4AM26425AJ100FB0。4AM26425AT100FA0。4AM26425AN000EB0。4AM26425AN000EA0。4AM32424TT100FD0。4AM32424TN000ED0。4AM32425AN000ED0。4AM32428JN000ED0。4AM32428DD400FD0。4AM32424TN000EC0。4AM32424TV000EC0。4AM32425AT100FC0。4AM32424TJ100FA0。4AM32424TT100FA0。4AM32424TT100FA1。4AM32424TN000EA0。4AM32424TV000EA0。4AM32425AJ100FA0。4AM32425AT100FA1。4AM32425AT100FA0。4AM32425AN000EA1。4AM32425AN000EA0。4AM32425AV000EA0。4AM32428JN000EA0。4AM32428JD400FA0。4AM32425CJ100FA0。4AM32425CT100FA0。4AM32425CN000EA0。4AM32425FT100FA0。4AM32428DN000EA0。4AM32428DD400FA0。4AM32428EN000EA0。4AM32428ED400FA0。4AM32425LT100FA0。4AM32425MT100FA0。4AM32425AT100FA2。4AM34424TN000ED0。4AM34425AT100FD0。4AM34428DD400FD0。4AM34424TN000EC0。4AM34425AT100FC0。4AM34425AN000EC0。4AM34424TJ100FA0。4AM34424TT100FA0。4AM34424TN000EA1。4AM34424TN000EA0。4AM34424TV000EA0。

Siemens transformatoru modeļi

4AM34425AJ100FA0。4AM34425AT100FA1。4AM34425AT100FA0。4AM34425AD400FA0。4AM34425AN000EA1。4AM34425AN000EA0。4AM34425AV000EA0。4AM34428JN000EA0。4AM34428JD400FA0。4AM34425CJ100FA0。4AM34425CT100FA0。4AM34425CT100FA1。4AM34425CN000EA0。4AM34425FJ100FA0。4AM34425FT100FA0。4AM34425FN000EA0。4AM34428DN000EA0。4AM34428DD400FA0。4AM34428DV000EA0。4AM34428EN000EA0。4AM34428ED400FA0。4AM34425LT100FA0。4AM34425MT100FA0。4AM38424TN000ED0。4AM38424TV000ED0。4AM38425AT100FD0。4AM38424TJ100FC0。4AM38424TT100FC0。4AM38424TN000EC0。4AM38428DD400FC0。4AM38424TJ100FA0。4AM38424TT100FA0。4AM38424TN000EA1。4AM38424TN000EA0。4AM38424TV000EA0。4AM38425AJ100FA0。4AM38425AT100FA2。4AM38425AT100FA1。4AM38425AT100FA0。4AM38425AN000EA1。4AM38425AN000EA0。4AM38425AV000EA0。4AM38428JD401FA1。4AM38428JN000EA0。4AM38428JD400FA1。4AM38428JD400FA0。4AM38425CJ100FA0。4AM38425CT100FA0。4AM38425FT100FA1。4AM38425FT100FA0。4AM38425FN000EA0。4AM38428DN000EA0。4AM38428DD400FA0。4AM38428DV000EA0。4AM38428EN000EA0。4AM38428ED400FA0。4AM38425MT100FA0。4AM40424TJ100FD0。4AM40424TT100FD0。4AM40424TN000ED0。4AM40425AT100FD0。4AM40425AN000ED0。4AM40428JN000ED0。4AM40428DD400FD0。4AM40424TT100FC0。4AM40425AT100FC0。4AM40425MT100FC0。4AM43424TN000ED0。4AM40424TJ100FA0。4AM40424TT100FA0。4AM40424TN000EA1。4AM40424TN000EA0。4AM40424TV000EA0。4AM40425AJ100FA0。4AM40425AT100FA1。4AM40425AT100FA0。4AM40425AN000EA1。4AM40425AN000EA0。4AM40425AV000EA0。4AM40428JN000EA0。4AM40428JD400FA0。4AM40425CJ100FA0。4AM40425CT100FA0。4AM40425CD400FA0。4AM40425FJ100FA0。4AM40425FT100FA0。4AM40428DN000EA0。4AM40428DD400FA0。4AM40428DV000EA0。4AM40428EN000EA0。4AM40428ED400FA0。4AM40428EV000EA0。4AM40425LT100FA0。4AM40425MT100FA0。4AM43424TJ100FC0。4AM43424TN000EC0。4AM43425AT100FC0。4AM46425AT100FD0。4AM46425AN000ED0。4AM43424TJ100FA0。4AM43424TT100FB0。4AM43424TT100FA0。4AM43424TN000EB0。4AM43424TN000EA0。4AM43424TV000EA0。4AM43425AJ100FA0。4AM43425AT100FA1。4AM43425AT100FB0。4AM43425AT100FA0。4AM43425AN000EA1。4AM43425AN000EB0。4AM43425AN000EA0。4AM43425AV000EA0。4AM43428JD400FA0。4AM43428JN000EA0。4AM43425CJ100FA0。4AM43425CT100FA0。4AM43425FJ100FA0。4AM43425FT100FA0。4AM43425FT100FB0。4AM43428DN000EB0。4AM43428DN000EA0。4AM43428DD400FB0。4AM43428DD400FA0。4AM43428EN000EA0。4AM43428ED400FA0。4AM43428EV000EA0。4AM43425LT100FA0。4AM43425MT100FA0。4AM46425AJ100FC0。4AM46425AT100FC0。4AM46428JD400FC0。4AM46428DD400FC0。4AM46424TJ100FA0。4AM46424TT100FB0。4AM46424TT100FA0。4AM46424TN000EB0。4AM46424TN000EA0。4AM46424TV000EA0。4AM46425AJ100FA0。4AM46425AT100FB1。4AM46425AT100FA1。4AM46425AT100FB0。4AM46425AT100FA0。4AM46425AN000EB0。4AM46425AN000EA0。4AM46425AD400FA0。4AM46425AV000EA1。4AM46425AV000EB0。4AM46425AV000EA0。4AM46428JN000EB0。4AM46428JN000EA0。4AM46428JD400FA0。4AM46428JD400FA1。4AM46425CJ100FA0。4AM46425CT100FA0。4AM46425FT100FB0。4AM46425FT100FA0。4AM46428DN000EB0。4AM46428DN000EA0。4AM46428DD400FA0。4AM46428DD400FB0。4AM46428DV000EA0。4AM46428EN000EA0。4AM46428ED400FA0。4AM46425LT100FA0。4AM46425MT100FB0。4AM46425MT100FA0。4AM48424TJ100FC0。4AM48424TT100FC0。4AM48425AT100FC0。4AM48425CT100FC0。4AM52425FJ100FD0。4AM52424TT100FD0。4AM52424TV000ED0。4AM48424TJ100FB0。4AM48424TJ100FA0。4AM48424TT100FB0。4AM48424TT100FA0。4AM48424TN000EB0。4AM48424TN000EA0。4AM48424TV000EB0。4AM48424TV000EA0。4AM48425AJ100FB0。4AM48425AJ100FA0。4AM48425AD400FA0。4AM48425AT100FB0。4AM48425AT100FA0。4AM48425AT100FB1。4AM48425AN000EA1。4AM48425AN000EB0。4AM48425AN000EA0。4AM48425AV000EA0。4AM48428JN000EA0。4AM48428JD400FB0。4AM48428JD400FA0。4AM48425CJ100FA0。4AM48425CT100FB0。4AM48425CT100FA0。4AM48425CN000EA0。4AM48425FT100FB0。4AM48425FT100FA0。4AM48428DN000EA0。4AM48428DD400FB0。4AM48428DD400FA0。4AM48428EN000EB0。4AM48428EN000EA0。4AM48428ED400FA0。4AM48428ED400FB0。4AM48428EV000EA0。4AM48425LT100FA0。4AM48425MT100FA1。4AM48425MT100FA0。4AM48425AT100FA1。4AM52424TJ100FC0。4AM52424TT100FC0。4AM52425AT100FC0。4AM52425FT100FC0。4AM52425MT100FC0。4AM55424TT100FD0。4AM55424TV000ED0。4AM55425AT100FD0。4AM55428DD400FD0。4AM52428JV000EA0。4AM52425FJ100FA0。4AM52424TJ100FA0。4AM52424TD400FA0。4AM52424TT100FA0。4AM52424TN000EA0。4AM52424TV000EA0。4AM52425AJ100FA0。4AM52425AT100FA1。4AM52425AT100FA0。4AM52425AD400FA0。4AM52425AN000EA0。4AM52425AV000EA0。4AM52428JN000EA0。4AM52428JD400FA1。4AM52428JD400FA0。4AM52425CJ100FA0。4AM52425CT100FA0。4AM52425FT100FA0。4AM52428DN000EA0。4AM52428DD400FA0。4AM52428EN000EA0。4AM52428ED400FA0。4AM52425MT100FA0。4AM55424TT100FC0。4AM55424TN000EC0。4AM55425AT100FC0。4AM57425AJ100FD0。4AM57425AT100FD0。4AM57428JD400FD0。4AM57428DD400FD0。4AM57425MT100FD0。4AM55424TJ100FA0。4AM55424TT100FA0。4AM55424TN000EA0。4AM55424TV000EA0。4AM55425AJ100FA0。4AM55425AT100FA1。4AM55425AT100FA0。4AM55425AD400FA0。4AM55425AN000EA0。4AM55425AV000EA0。4AM55428JN000EA0。4AM55428JD400FA0。4AM55428JD400FA1。4AM55425CJ100FA0。4AM55425CT100FA0。4AM55425FT100FA0。4AM55428DN000EA0。4AM55428DD400FA0。4AM55428EN000EA0。4AM55428ED400FA0。4AM55428EV000EA0。4AM55425LT100FA0。4AM55425MT100FA0。4AM57424TJ100FC0。4AM57424TT100FC0。4AM57425AT100FC0。4AM57425FT100FC0。4AM57428DD400FC0。4AM57428BD400FA1。4AM57424TJ100FA0。4AM57424TT100FA0。4AM57424TN000EA0。4AM57424TV000EA0。4AM57425AJ100FA0。4AM57425AD400FA0。4AM57425AT100FA1。4AM57425AT100FA0。4AM57425AN000EA0。4AM57425AV000EA0。4AM57428JN000EA0。4AM57428JD400FA0。4AM57428JD400FA1。4AM57428JV000EA0。4AM57425CJ100FA0。4AM57425CT100FA1。4AM57425CT100FA0。4AM57425CD400FA0。4AM57425FJ100FA0。4AM57425FT100FA0。4AM57428DN000EA0。4AM57428DD400FA0。4AM57428EN000EA0。4AM57428ED400FA0。4AM57425LT100FA0。4AM57425MT100FA0。4AM57425MT100FA1。4AM61424TJ100FD0。4AM61424TT100FD0。4AM61425AT100FD0。4AM61425CT100FD0。4AM61428ED400FD0。4AM61425AT100FC0。4AM61428JD400FC0。4AM61425CT100FC0。4AM61425FT100FC0。4AM61428DD400FC0。4AM61428ED400FC0。4AM64425AT100FD0。4AM64428DD400FD0。4AM64428ED400FD0。

4AM61424TJ100FA0。4AM61424TT100FA0。4AM61424TD400FA0。4AM61425AJ100FA0。4AM61425AT100FA1。4AM61425AT100FA0。4AM61425AD400FA0。4AM61428JD401FA1。4AM61428JD400FA0。4AM61425CJ100FA0。4AM61425CT100FA0。4AM61425FJ100FA0。4AM61425FT100FA0。4AM61428DD400FA0。4AM61428ED400FA0。4AM61425LT100FA0。4AM61425MT100FA1。4AM61425MT100FA0。4AM64424TJ100FC0。4AM64425AT100FC0。4AM64425CT100FC0。4AM64425FT100FC0。4AM65425AT100FD0。4AM65428DD400FD0。4AM65425FJ100FD0。4AM64428JD400FA0。4AM64424TJ100FA0。4AM64424TT100FA0。4AM64425AJ100FA0。4AM64425AT100FA1。4AM64425AT100FA0。4AM64425AD400FA0。4AM64425CJ100FA0。4AM64425CT100FA0。4AM64425FT100FA0。4AM64428DD400FA0。4AM64428ED400FA0。4AM64425MT100FA0。4AM65425AT100FC0。4AM65425FT100FC0。4AM65428DD400FC0。4AM65428ED400FC0。4AM65424TJ100FA0。4AM65424TT100FA0。4AM65425AJ100FA0。4AM65425AT100FA1。4AM65425AT100FA0。4AM65425AD400FA0。4AM65428JD400FA0。4AM65425CJ100FA0。4AM65425CT100FA0。4AM65425FJ100FA0。4AM65425FT100FA0。4AM65428DD400FA0。4AM65428ED400FA0。4AM65425MT100FA0。4AM65425LT100FA0。4AM65428JD401FA1。4AM23424TV000EA0。4AM23425AV000EA0。4AM26424TV000EA0。4AM26425AV000EA0。4AM23424TN000EA1。

Siemens transformatoru modeļi

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Siemens transformatoru modeļi

Darba princips:
Transformators sastāv no dzelzs serdes (vai magnētiskās serdes) un spoles. Spolei ir divi vai vairāk tinumi. Tinumu, kas savienots ar barošanas avotu, sauc par primāro spoli, un atlikušos tinumus sauc par sekundārajām spolēm. Tas var pārveidot maiņstrāvas spriegumu, strāvu un pretestību. Vienkāršākais dzelzs serdes transformators sastāv no dzelzs serdes, kas izgatavota no mīksta magnētiska materiāla, un divām spirālēm ar dažādiem pagriezieniem, kas pārklāj dzelzs serdi.
Kodola loma ir stiprināt magnētisko savienojumu starp abiem spoļiem. Lai samazinātu virpuļstrāvas un histerēzes zudumus dzelžā, serde ir izgatavota no laminētām silīcija tērauda loksnēm; starp abām spirālēm nav elektriska savienojuma, un spoles ir izgatavotas no izolētām vara stieplēm (vai alumīnija stieplēm). Viena spole, kas savienota ar maiņstrāvas avotu, tiek saukta par primāro spoli (vai primāro spoli), bet otra spole, kas savienota ar elektrisko ierīci, tiek saukta par sekundāro spoli (vai sekundāro spoli). Faktiskais transformators ir ļoti sarežģīts, un neizbēgami ir vara zudumi (spoles pretestības sildīšana), dzelzs zudumi (dzelzs serdeņa uzsildīšana) un magnētiskā noplūde (magnētiskā indukcijas stieple, kuru aizver gaiss) utt. Lai vienkāršotu diskusiju, tikai šeit tiek ieviests ideāls transformators. Nosacījumi, lai izveidotu ideālu transformatoru, ir šādi: ignorēt noplūdes plūsmu, ignorēt primāro un sekundāro spoļu pretestību, ignorēt serdes zudumus un bezslodzes strāvu (strāvu sekundārā sekundārā primārā spolē) spole ir atvērta). Piemēram, kad strāvas transformators darbojas ar pilnu slodzi (sekundārā spoles izejas nominālā jauda), tas ir tuvu ideālajam transformatoram.
Transformatori ir statiskas elektriskas ierīces, kas izgatavotas, izmantojot elektromagnētiskās indukcijas principu. Kad transformatora sākotnējā spole ir savienota ar maiņstrāvas barošanas avotu, dzelzs kodolā rodas mainīga magnētiskā plūsma, ko parasti apzīmē ar φ. Φ primārajā un sekundārajā spolē ir vienādi, un φ ir arī vienkārša harmoniskā funkcija. Tabula ir φ = φmsinωt. Saskaņā ar Faraday elektromagnētiskās indukcijas likumu primārajā un sekundārajā spolē inducētais elektromotora spēks ir e1 = -N1dφ / dt un e2 = -N2dφ / dt. Formulā N1 un N2 ir primārā un sekundārā spoles pagriezieni. Var redzēt, ka U1 = -e1 un U2 = e2 (oriģinālās spoles fizisko daudzumu attēlo ar 1. indeksu, bet sekundārās spoles fizisko daudzumu attēlo ar 2. indeksu). = N1 / N2, ko sauc par transformatora pārveidošanas attiecību. No iepriekšminētās formulas U1 / U2 = -N1 / N2 = -k, tas ir, transformatora primārā un sekundārā spoles sprieguma efektīvās vērtības attiecība ir vienāda ar tā pagriezienu attiecību un fāzes starpību starp primāro un sekundāro spoli. spriegumi ir π.
Turklāt tiek secināts, ka:
U1 / U2 = N1 / N2
Gadījumā, kad bez slodzes strāvu var ignorēt, ir I1 / I2 = -N2 / N1, tas ir, primārā un sekundārā spoles strāvas faktiskā vērtība ir apgriezti proporcionāla pagriezienu skaitam un fāžu starpība ir π.
Savukārt pieejams
I1 / I2 = N2 / N1
Ideāla transformatora primāro un sekundāro spoļu jauda ir vienāda P1 = P2. Tas parāda, ka ideālajam transformatoram pašam nav enerģijas zudumu. Faktiskajam transformatoram vienmēr ir zaudējumi, un tā efektivitāte ir η = P2 / P1. Jaudas transformatoru efektivitāte ir ļoti augsta, līdz vairāk nekā 90%

Siemens transformatoru modeļi

Raksturīgie parametri:
darba frekvence
Transformatora serdes zudumam ir lieliska saistība ar frekvenci, tāpēc tas jāprojektē un jālieto atbilstoši lietošanas biežumam. Šo frekvenci sauc par darba frekvenci.
nominālā jauda
Zem noteiktā frekvences un sprieguma transformators var ilgi darboties, nepārsniedzot norādītās temperatūras paaugstināšanās izejas jaudu.
Nominālais spriegums
Attiecas uz spriegumu, ko atļauts piemērot transformatora spolei, un tas nedrīkst būt lielāks par noteikto vērtību darbības laikā.
Sprieguma attiecība
Attiecas uz transformatora primārā sprieguma un sekundārā sprieguma attiecību, pastāv atšķirība starp bezslodzes sprieguma attiecību un slodzes sprieguma attiecību.
Bezslodzes strāva
Kad transformatora sekundārais ir atvērts, primārajam joprojām ir noteikta strāva. Šo strāvas daļu sauc par bezslodzes strāvu. Bezslodzes strāvu veido magnetizējošā strāva (rada magnētisko plūsmu) un dzelzs zudumu strāva (ko izraisa kodola zudumi). 50 Hz transformatoram bezslodzes strāva principā ir vienāda ar magnetizējošo strāvu.
Slodzes zudums
Attiecas uz enerģijas zudumiem, kas izmērīti pie primārā, kad transformatora sekundārais ir atvērts. Galvenais zaudējums ir serdes zudums, kam seko strāvas zudumi bez slodzes (vara zudumi) primārā spoles vara pretestībā, šī zaudējumu daļa ir ļoti maza.
efektivitāte
Attiecas uz sekundārās jaudas P2 un primārās jaudas P1 procentuālo attiecību. Parasti, jo lielāka ir transformatora nominālā jauda, ​​jo augstāka ir efektivitāte.
Izolācijas pretestība
Tas norāda izolācijas veiktspēju starp katru transformatora spoli un starp katru spoli un dzelzs serdi. Izolācijas pretestības līmenis ir saistīts ar izmantotā izolācijas materiāla veiktspēju, temperatūras līmeni un mitruma pakāpi.

 

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