5 MVA Railway Traction Transformer-132 / 1.22 kV|South Africa 2025
Ike: 5 MVA
Voltaji: 132/2* 1.22+1.22kV
Njirimara: ya na winding tertiary

Jikwaa ihe ọhụrụ, na-anya ụzọ n'ọdịnihu, traction transformers na-enye ike na-adịghị agwụ agwụ.
01 Izugbe
1.1 Nkọwa oru ngo
5 MVA traction transformer e bugara South Africa na 2025. Ike nke transformer bụ 5 MVA na ONAN jụrụ oyi. Isi voltaji bụ 132 kV yana ±2*2.5% tapping range (NLTC), voltaji nke abụọ bụ 2*1.22+1.22 kV, ha hiwere otu vector nke Y/d+15 ogo /d-15 degrees /d, Yd11.
Emebere traktị traktị a maka sistemụ ụgbọ okporo ígwè ọgbara ọhụrụ, na-ejikọta arụmọrụ dị mma yana ọtụtụ atụmatụ nchebe. Ejiri ya na ihe mgbanyụ ọkụ{1}} na-agbanwe ihe mgbapụ nwere ihe eji arụ ọrụ yana ihe eji akpọchi, na-eme ka ọ dị mfe ma dịkwa nchebe. Ihe ngbanwe ahụ na-eji ọkụ dị elu{3}}arụ ọrụ nke ọma-na-ewepụta radiators na-ekpo ọkụ{5}}mikpu galvanizing na agba, na-eme ka nguzogide corrosion ya dịkwuo elu. Onye na-echekwa mmanụ nke nwere ihe nrịbama na ọkwa mmanụ na-enye ohere-nleba anya oge maka ọnọdụ ahụike mmanụ ahụ. Otu -ofefe gas relay, nke na-egosipụta mkpu na kọntaktị njem, na-aza ngwa ngwa maka ọnọdụ adịghị mma. Nfefe ọkụ na-ebufe ibu na-enye nchebe nfefe, na-egosipụta oke{11}}mmekọrịta okpomọkụ na nkwụghachi gburugburu, yana ịgbalite njem na okpomọkụ akọwapụtara. Ngwaọrụ ahụ gụnyere valvụ ntọhapụ nrụgide iji gbochie nsogbu nrụgide, na-anabata igbe ọnụ IP55 iji guzogide gburugburu ebe siri ike, ma gụnye ndị ngbanwe dị ugbu a maka nleba anya ugbu a. Nhazi nke ngbanwe a na-eme ka ntụkwasị obi na nchekwa dị n'okporo ụzọ ụgbọ oloko na ngwa traction ndị ọzọ.
1.2 Nkọwa nka nka
5 MVA ụgbọ okporo ígwè traction ntụgharị ụdị nkọwa na mpempe akwụkwọ data
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Enyere ya
South Africa
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Afọ
2025
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Ụdị
Ihe ntụgharị traction
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Ọkọlọtọ
IEC60076
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Enyere ike
5000 kVA
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Ugboro ugboro
50HZ
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Usoro
3
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Ụdị oyi
ONAN
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Voltaji nke mbụ
132 kV
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Voltaji nke abụọ
2*1.22+1.22 kV
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Ngwa ikuku
Ọla kọpa
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Ntugharị akụkụ
Yd±15 ogo, Yd11
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Mgbochi
8.5%
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Pịa Changer
NLTC
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Ọkụ aka
±2*2.5%
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Enweghị mfu ibu
7,7 kW
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Enweghị mfu ibu
26.5 kW
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1.3 Eserese
5000 kVA traction transformer eserese na nha.


02 Nrụpụta
2.1 Isi
A na-eme isi ya bụ akwa akwa silicon ígwè dị elu{0}, nke nwere ezigbo ike ndọta na mfu dị ala, na-eme ka ọ dị elu na nkwụsi ike. The laminated Ọdịdị imewe ebelata eddy ugbu a ọnwụ na n'ihu enhances mkpuchi arụmọrụ na ume itinye n'ọrụ arụmọrụ site na iji mkpuchi ihe n'etiti n'ígwé. Emebere isi ya n'ụdị loop mechiri emechi iji mepụta sekit magnetik mechiri emechi wee kwalite itinye n'ọrụ ndọta mgbe ị na-atụle arụmọrụ mkpofu okpomọkụ iji nọgide na-arụ ọrụ kwesịrị ekwesị n'okpuru nnukwu ibu, si otú ahụ na-agbatị ndụ ọrụ. Na mgbakwunye, e mere isi ahụ iji belata nnyonye anya electromagnetic, na-ahụ nkwụsi ike na-emetụtaghị akụrụngwa gbara ya gburugburu. A na-ahazi usoro mgbakọ ya nke ọma iji hụ na njikọta nke akụrụngwa siri ike, na-ebelata mkpọtụ igwe na ụzụ, yana ịkwalite ike na nkwụsi ike nhazi.

2.2 Ikuku

Njikọ: Yd ± 15 degrees (Obere - voltaji winding na tertiary winding jikọtara abụọ na delta, na ike nke obere -voltaji tertiary winding bụ 100 kVA)
A na-ekpuchi ikuku niile nke ọma.
Igwe ọkụ ọkụ dị elu{{0}: Njikọ kpakpando
Obere ikuku{{0}voltaji: Njikọ Delta
Igwe ikuku nke abụọ dị ala{{0}voltaji: Obere ikuku nke abụọ {{1} voltaji kwesịrị jikọọ na delta, yana nhazi ahụ nwere windings delta abụọ kwụụrụ onwe ya, usoro{2}} ga-agbanwe site na ogo 15. Enwere ngụkọta nke usoro isii na ikuku nke abụọ, nke ọ bụla nwere voltaji mmepụta nke ihe dịka 1220 volts. Ekwesịrị ịhazi ikuku nke abụọ ka ọ dakọtara na nkeji iri na abụọ{7}pulse rectifier.
Obere - voltaji ikuku nke atọ: Njikọ Delta. Ihe ngbanwe ahụ na-enye ikuku nke atọ{2} nke atọ n'akụkụ nke abụọ iji nye ọkụ n'ikuku inyeaka. Enwere ike pịa ikuku nke atọ ozugbo site na ikuku nke abụọ ma ọ bụ mee ka ikuku nke atọ dị iche. Nke atọ winding ga-enwe dị iche iche bushing na-enye ike na inyeaka transformer, nke nwere ike nke 100 kVA.
Igwe ikuku {{0}voltaji dị elu kwesịrị iji ikuku diski na-aga n'ihu, ebe ikuku{1} voltaji dị ala kwesịrị iji ikuku ikuku. A chọrọ ka a na-eji ihe ngbanwe ahụ mee ihe n'ebe ọkụ ọkụ na-ada. Ekwesịrị ịwụnye ndị na-ejide ọkụ ọkụ n'etiti ụgbọ ala voltaji - dị elu na mgbada nke ọdụ ụgbọ mmiri. Ebe na-anọpụ iche nke isi ikuku kpakpando adịghị mkpa ka a pụta. Igwe ngbanwe nke ngbanwe ga-enwerịrị ike igwe zuru oke iji guzogide mmiri dị njọ.
2.3 tank
A na-eme tankị mmanụ ọkụ nke efere ígwè na ọkpụrụkpụ nke Karịrị ma ọ bụ hà nhata 6mm, na mkpuchi elu nke tank mmanụ na-ejikọta ya na bolts. Tank mmanụ nke na-agbanwe agbanwe bụ isi awọ, ohiri isi mmanụ na-acha ọcha, na agba agba dị dịkarịa ala 125 microns. N'elu nnukwu mmanụ mmanụ, e nwere otu ọkpọkọ nwere eriri dị n'akụkụ dị nso na ohiri isi mmanụ na otu n'akụkụ nke ọzọ, nke a na-eji jikọta mmanụ mmanụ. Ogo dị elu kwesịrị ekwesị maka ịrụ ọrụ ala, na otu akụkụ dị elu na nke ọzọ na ọnọdụ dị ala (ọ bụrụ na ọ dị mkpa, akụkụ a nwere ike jikọta ya na valve drain mmanụ). Igwe mmiri ahụ nwere eri dị n'ime nke 50mm.

2.4 Mgbakọ ikpeazụ

1. Nrụnye ikuku:
Wụnye ikuku dị elu{{0}voltaji na isi, na-eleba anya n'ụdị ikuku ikuku, ọnụọgụ ntụgharị na usoro njikọ (dị ka njikọ kpakpando ma ọ bụ akụkụ).
N'ikpeazụ, wụnye obere ikuku {{0} voltaji na ikuku nke abụọ, na-ahụ na usoro na usoro njikọ nke windings ziri ezi.
N'ikpeazụ, wụnye obere{{0}voltaji nke atọ winding iji hụ na ọ na-emezu ihe achọrọ ọkụ nke ihe ngbanwe inyeaka.
2. Ịkwalite na mmanụ nke akụkụ ndụ:
Bulite akụkụ ndị dị ndụ (ikuku na cores) nke ihe ngbanwe ahụ n'ọnọdụ ndị a họpụtara wee hụ na a na-ahazi ya nke ọma.
Wụnye ngwa dịka ndị na-ejide ọkụ, relays, igbe ọnụ, wdg
Mgbe ebulichara ya, ekwesịrị ịgbanye mmanụ ka ọ hụ na mmanụ n'ime ya jupụta na transformer nke ọma iji kwe nkwa mkpuchi na oyi.
03 Nnwale
1. Nnwale a na-eme kwa oge -Nnwale ntapu site na nrụgide maka mmiri mmiri{2}}Immersed Transformers (Tightness Test)
2. Nnwale a na-eme kwa oge{1}Ntụnye gas gbazere n'ime mmiri dielectric si n'ebe mmanụ ọ bụla dị iche iche ewezuga ngbanwe ntụgharị.
3. Nnwale a na-eme kwa oge -Nleba anya nke isi na mkpuchi Frame maka ndị na-eme mgbanwe mmiri mmiri nwere mkpuchi isi ma ọ bụ Frame
4. Nnwale a na-eme kwa oge -Ntụle oke voltaji na nlele ngbanwe nke oge
5. Nnwale a na-eme kwa oge{1}Nleta nguzogide ikuku
6. Nnwale a na-eme kwa oge{1}} Nyochaa oke na polarity arụrụ arụ{2} n'ime ihe ngbanwe dị ugbu a
7. Nnwale a na-eme kwa oge - Nleta nke nguzogide mkpuchi DC n'etiti ikuku ọ bụla na-aga n'ụwa na n'etiti ikuku.
8. Nnwale a na-eme kwa oge - Nleba ihe nbipu (tanθ) nke usoro mkpuchi mkpuchi capacitances
9. Nnwale a na-eme kwa oge -Mkpebi nke ike ikuku ikuku na ụwa na n'etiti ikuku.
10. Nnwale a na-eme kwa oge -Atụ mba - ibu mfu na ugbu a
11. Nnwale a na-eme kwa oge -Ntụnye nke enweghị ibu- na ọ dị ugbu a na 90 % na 110 % nke voltaji agbagoro
12. Nnwale a na-eme kwa oge -Ntụnye nke Mkpirisi mkpirisi okirikiri na mfu ibu.
13. Nnwale oge na-aga -Nnwale mkpali ọkụ na-efe efe zuru oke maka ọdụ ahịrị .(LI)
14. Ụdị ule{1}Mkpebi ọkwa ọkwa ụda (IEC 60076-10) maka usoro oyi ọ bụla nke akọwapụtara ogo ụda na-ekwe nkwa maka ya.
15. Nnwale pụrụ iche- Ọ̀tụ̀tụ̀ nzaghachi ugboro ugboro (Ntụle nzaghachi ugboro ugboro ma ọ bụ FRA)
16. Nnwale a na-eme kwa oge -Nnwale voltaji etinyere (AV)
17. Nnwale a na-eme kwa oge{1}Nnwale anabatara voltaji na nha PD. (IVPD)
18. Nnwale a na-eme kwa oge - Nnwale mkpuchi ikuku inyeaka.(AuxW)
19. Nnwale a na-eme kwa oge - Nleta gas gbazere na mmiri dielectric sitere na ngalaba mmanụ ọ bụla dị iche iche ma ewezuga oghere mgba ọkụ.(Mgbe ule gasịrị)
20. Ụdị ule -okpomọkụ{2}}ule ụdị elu
21. Nnwale a na-eme kwa oge - Nleta gas gbazere n'ime mmiri dielectric si n'ebe mmanụ ọ bụla dị iche iche ma e wezụga ebe mgba ọkụ ọkụ.(Mgbe ule gasịrị)


04 Mbukota na mbupu
4.1 mbukota
1. Kechie valve drain mmanụ nke isi ahụ na ihe dị ka ihe nkiri nri ma tinye akara n'okpuru ka ọ ghara imeghe ya na ọdụ ụgbọ mmiri nke ụlọ na nke mba ọzọ.
2. A na-anabata usoro nchebe maka igbe njedebe, igbe ngwa na ngwa ndị ọzọ iji gbochie mmebi site na mmetụta n'oge njem ụgbọ mmiri.
3. Akwụkwọ ụlọ ọrụ: Akuko nyocha nke ụlọ ọrụ anyị, akwụkwọ ntuziaka nke ụlọ ọrụ anyị, na ngwa ngwa.
4. Mgbe nkwakọchara, kwado nha ikpeazụ wee mee ndepụta nkwakọ ngwaahịa . 5. Ekwesịrị ibipụta ma mado n'akụkụ aka ekpe nke elu n'akụkụ ngwugwu ahụ.

4.2 Mbupu
Ịbufe ihe ngbanwe 5MVA gaa n'ọdụ ụgbọ mmiri Durban n'okpuru usoro CIF (Cost, Insurance, and Freight) gụnyere ọtụtụ usoro. Nke mbụ, nkwakọ nke transformer ga-agbasorịrị ụkpụrụ ụgbọ mmiri, na akwụkwọ ndị dị mkpa dị ka ndepụta nkwakọ ngwaahịa, akwụkwọ ọnụahịa azụmahịa, na ụgwọ nbinye kwesịrị ịkwado. Na-esote, a na-ahọrọ ụlọ ọrụ na-ebufe ụgbọ mmiri kwesịrị ekwesị, a na-emekwa ndokwa maka nchekwa nchekwa nke transformer n'ime akpa mbupu. N'oge usoro njem ụgbọ mmiri, onye na-ebu ya na-ahụ maka ya ma na-enye mkpuchi mkpuchi maka ihe egwu njem ọ bụla. Mgbe ha rutere Durban, a ga-arụcha usoro mkpochapụ kọstọm n'oge, yana ngwa ndị pụrụ iche a na-eji ebutu ihe ntụgharị. N'ikpeazụ, a na-enyocha ọdịdị nke transformer na ọrụ ya iji hụ na ọ dịghị mmebi n'oge njem. N'okpuru usoro CIF, onye na-ere ere na-ewere ụgwọ niile na ihe egwu metụtara njem ahụ ruo mgbe onye ntụgharị ahụ rutere n'ọdụ ụgbọ mmiri n'enweghị nsogbu.
05 Saịtị na nchịkọta
N'ikpeazụ, a na-emepụta ihe ntụgharị traction anyị iji gboo mkpa na-achọsi ike nke usoro njem ọgbara ọhụrụ, na-enye arụmọrụ a pụrụ ịdabere na ya na arụmọrụ pụrụ iche. Site na teknụzụ dị elu na ihe owuwu siri ike, ndị na-agbanwe mgbanwe ndị a na-ahụ maka njikwa ike kacha mma yana nkwalite arụmọrụ maka ngwa ụgbọ oloko na metro. Dịka onye mmekọ ntụkwasị obi na ụlọ ọrụ ahụ, anyị na-agba mbọ ịnye ngwaahịa dị elu{2}} na-abụghị naanị na-ezute mana gafere atụmanya ndị ahịa anyị. Họrọ ihe ntụgharị traction anyị maka ngwọta na-adigide na nke ọma nke na-enye ike ọdịnihu nke njem.

Ihe nchịkọta dị ọkụ: ụgbọ okporo ígwè traction transformer, nrụpụta, soplaya, price, efu
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