5 MVA Traction Transformers-132 / 1.22 KV|Afirka ta Kudu 2025

01 Gabaɗaya

1.1 Bayanin Aikin

An kai 5000 kVA traction transfoma zuwa Afirka ta Kudu a cikin 2025. Ƙarfin wutar lantarki na wutar lantarki shine 5000 kVA tare da sanyaya ONAN. Babban ƙarfin lantarki shine 132 kV tare da ± 2 * 2.5% tapping range (NLTC), ƙananan ƙarfin lantarki shine 2*1.22+0.635 kV, sun kafa ƙungiyar vector na Y/d±15 digiri d11.

Tailor{0}wanda aka yi don matsananciyar yanayin aiki a Afirka ta Kudu, na'ura mai ba da wutar lantarki ta 5MVA tana aiki azaman babban garantin tsarin samar da wutar lantarki ta hanyar jirgin ƙasa, haɗa madaidaicin daidaitawar siga da ingantaccen yanayin muhalli tare da ƙira mai inganci da ƙwararrun hanyoyin fasaha don dacewa daidai da hadaddun akan buƙatun aiki na rukunin yanar gizo{3}.

Dangane da ma'auni na asali, injin na'ura yana da ƙididdigan ƙarfin 5000kVA, babban ƙarfin lantarki na farko na 132kV, da kuma gefen sakandare yana ɗaukar 2 × 1.22kV dual delta{4} haɗaɗɗen windings (wanda ya dace da na'urorin gyara bugun jini guda goma sha biyu, suna ba da ƙarfin VA shida{6}}V0/01k), an haɗa su tare da fitarwar kashi shida{6}V0.5k. winding (an sanye da bushings masu zaman kansu don samar da wuta ga na'ura mai ba da taimako). Yana aiki a 50Hz, yana amfani da tagulla mai ƙarfi{11}} don iska don tabbatar da ingantaccen watsa wutar lantarki. An ƙirƙira ƙungiyar haɗin kai azaman digiri na Ydd±15 , tare da motsi na digiri 15 tsakanin ƙananan ƙarancin wutar lantarki guda biyu{15}}waɗanda ke inganta ingancin wutar lantarki yadda ya kamata yayin da ake rage tasirin kutse cikin jituwa ta hanyar ƙira ta musamman.

Nuna matsananciyar yanayin -shafukan yanar gizo a Afirka ta Kudu-ciki har da gurɓataccen gurɓataccen iska, canjin wutar lantarki (±5% ƙarƙashin yanayi na yau da kullun, -15% ƙarƙashin yanayi na musamman), kewayon zafin jiki mai faɗi ({12}}10 digiri zuwa +55 digiri), tsayi mai tsayi (0{13}}1800m na samfurin 1800m cikakke), da ƙarancin ƙarancin ƙarancin % Tsarin iska, tankin mai da aka yi da Girma fiye da ko daidai da farantin karfe 6mm kauri (16mm kauri farantin tushe), tsoma galvanized anti-lalata radiators, haɗe tare da conservator tare da mafitsara da numfashi, cimma karfi danshi juriya, lalata kariya, da kuma rufi kariya. Yana iya jure walƙiyar walƙiya na HV/LV1/LV{16}}/60kV kuma yana da isassun ƙarfin injina don tsayayya da tasirin igiyoyin wuta, yana tabbatar da aiki mai ƙarfi a ƙarƙashin matsanancin yanayi.

Dangane da aiki, taranfomar tana ɗaukar ONAN (Oil Natural Air Natural) sanyaya. Hawan zafin jiki na iska baya wuce digiri 65 a ƙarƙashin ci gaba da aiki mai ɗaukar nauyi - bayan isa ga ma'aunin zafi da kwanciyar hankali. Yana iya sauƙin jure ƙalubalen ƙalubalen ɗaukar nauyi na ɗan lokaci: ana sarrafa hawan zafin jiki a cikin digiri 70 - 100 a ƙarƙashin yanayin aiki na nauyin 3x na minti 1, nauyin 3.5x na daƙiƙa 10, da nauyin 2x na mintuna 30, tare da kariya ta atomatik ta atomatik a nauyin 4.25x, daidaita yanayin aiki da sauƙi. Maɓalli na kayan haɗi sun haɗa da kashe NLTC{18}}mai canza canjin kewayawa (± 2×2.5% daidaitawa tare da aikin makullin), iskar gas guda ɗaya{22}} (tare da ƙararrawa da lambobin tafiya), mai nuna zafin jiki tare da ramuwar yanayin yanayi ( saita zuwa tafiya a digiri 115 ), da akwatin tasha tare da aji na kariya IP55. Bugu da ƙari, an inganta tsayin daji don dacewa da buƙatun shigar busbar mai girman mita 2.7m, tare da taga lura/manhole a saman don kulawa cikin sauƙi, da bututun haɗin mai da aka tanada a gefen tankin mai, yana inganta ingantaccen aiki da dacewa.

Daga tsarin tsarin iska (nau'in diski mai ci gaba{0}} na'ura don babban ƙarfin lantarki, nau'in karkace- na'ura don ƙaramin ƙarfin lantarki) zuwa zaɓin abu da ɗaukar nauyi{2}}aramar ɗaukar nauyi, wannan na'ura mai ɗaukar hoto an keɓance shi sosai don takamaiman tsarin samar da wutar lantarki. Ba wai kawai ya dace da buƙatun dacewa na masu gyara bugun jini guda goma sha biyu- ba amma kuma yana ba da garanti mai zaman kansa don samar da wutar lantarki ta hanyar iska mai ƙarfi, yana mai da shi ingantaccen tsarin samar da wutar lantarki tare da tsangwama, matsananciyar juriya, da babban aminci ga aikin Afirka ta Kudu.

1.2 Ƙayyadaddun Fasaha

5000 kVA na'ura mai canzawa nau'in ƙayyadaddun ƙayyadaddun bayanai da takaddar bayanai

1.3 Zane

5000 kVA juzu'in juzu'in zane da girman zane.

02 Masana'antu

2.1 Kori

An gina ainihin na'urar wutar lantarki daga laminated, babban -wucewa, ƙananan{1}}asashen hasara{2}}sanyi{3}} hatsin da aka yi birgima-ƙarshen silicon mai daidaitacce. An ƙera shi don ya zama mai ƙarfi da ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙarfi, yana jure yawan tasirin tasiri da girgizar injin da ke cikin aikin jirgin ƙasa. Sau da yawa ana haɗuwa da laminations tare da cikakken lafaffen gaɓoɓin gaɓoɓin don rage girman rashin so kuma babu - asara. Ingantattun matakan ƙwanƙwasa da damping suna da alaƙa da ƙira, tabbatar da ingantacciyar hanyar maganadisu mai inganci don ingantaccen canjin ƙarfin lantarki da canja wurin wutar lantarki a ƙarƙashin yanayi mai buƙata.

2.2 Guda

Ci gaba da jujjuyawar na'urar taswira yawanci ana yin ta ne da jan ƙarfe mai lu'u-lu'u mai lebur waya ko mai ci gaba da juyawa (CTC). An raunata shi a cikin siffar diski mai ci gaba ba tare da haɗin gwiwar diski ba, yana nuna ƙarancin asarar AC da ɓarkewar zafi iri ɗaya; ta hanyar haɓaka ƙirar ƙira don sarrafa damuwa na ƙarfin lantarki, kuma yana iya saduwa da buƙatun ƙarfin injina ƙarƙashin yanayin aiki kamar sau 3.5. Wannan tsarin yawanci ana ɗaukarsa ne don iskar wutar lantarki mai ƙarfi -, wanda zai iya daidaitawa zuwa masu gyara bugun jini 12, yana samar da tsayayyen hanyar magnetoelectric don ingantaccen canjin makamashi a cikin tsarin gogayya yayin da yake bin cikakkun buƙatun rufi don tabbatar da amincin aiki.

2.3 Tanko

An yi tankin ne da faranti na ƙarfe tare da kauri wanda ya fi girma ko daidai da 6mm (kaurin gindin farantin shine 16mm), kuma murfin samansa yana haɗuwa da kusoshi. Ana fentin waje mai launin toka tare da kaurin fenti wanda bai gaza 125 microns ba. Ciki na cikin tanki yana cike da mai mai canzawa, wanda ke ba da kariya da zafi don ƙwayar ƙarfe da iska. Yana aiki tare da zafi mai iya cirewa{6}} tsoma galvanized radiators tare da fenti don samun sanyaya, kuma ana haɗa shi da farar mai adana man mafitsara a lokaci guda don tabbatar da cewa jikin transformer yana nutsar da mai koyaushe. Babban tankin yana sanye da bututu guda ɗaya tare da famfo (tare da zaren ciki na 50mm) a gefen mai ajiyar mai da kuma gefen gaba ɗaya, wanda ake amfani da shi don haɗa matatar mai da kuma dacewa da aikin ƙasa{9} ɗayan bututu ana shirya shi a matsayi mai girma, ɗayan kuma a ƙasa mara kyau (ƙananan -madaidaicin wanda za'a iya haɗa shi da bawul ɗin magudanar man idan ya cancanta). Har ila yau, tankin yana sanye da na'urori masu kariya kamar bawul ɗin taimako na matsin lamba, kuma yana buƙatar dacewa da bushings waɗanda sassan rayuwa ba su wuce 2.7m sama da ƙasa ba, don biyan bukatun aiki a wuraren da ke da gurɓataccen gurɓataccen yanayi da tsananin walƙiya a Afirka ta Kudu, da kuma ƙarƙashin yanayin nauyin 3.5x.

03 Na'urorin haɗi

3.1 Hot tsoma galvanized radiator

Wannan radiyon da za a iya cirewa yana da tushe mai zafi - tsoma galvanized tushe tare da ƙarin fenti, ya dace da tsarin sanyaya na'urar taswira ta ONAN don taimakawa wajen ɓarkewar zafi, kuma an ƙirƙira shi don dacewa da yanayin aiki mai tsanani na Afirka ta Kudu (ƙananan ƙazanta, kewayon zafin jiki na -10~+55 zafin jiki na {{4}10~+55) digiri na tsawon lokaci, da kuma tsawon lokaci 3. juriya da kwanciyar hankali na tsari.

3.2 Mai Nunin Zazzabi Mai Iska

Alamar yanayin zafin iska (wanda ake la'akari da shi azaman relay na thermal) an ƙirƙira shi don kare taswira daga ɗimbin yawa, yana ɗauke da nauyi - zafin jiki (ƙimanin yanayin zafi mafi zafi na iska) daidaitawa da aikin ramuwa na yanayi; an sanye shi da saitin tuntuɓar tafiye-tafiye a digiri 115 (dangane da zazzabi na yanayi na digiri 45 + 70 matsakaicin ƙimar digiri) kuma yana da sigogin lantarki na 110V DC da 6A, wanda ya dace da yanayin yanayin aiki mai tsauri kamar nauyin 3.5x don tabbatar da aiki lafiya.

3.3 Akwatin Tasha

Akwatin tasha na wannan taswira yana da ƙimar kariya ta IP55, yadda ya kamata yana hana ƙura shigar ƙura da ƙarancin watsa ruwa, kuma an ƙera shi don daidaitawa da matsananciyar yanayi a Afirka ta Kudu (ciki har da ƙazanta mai nauyi, kewayon zafin -10~+55 digiri, da 10%-90% zafi). Yana aiki don kare haɗin wutar lantarki na ciki, yana tabbatar da ingantacciyar wayoyi da watsa sigina don taswira ko da a ƙarƙashin matsananciyar yanayin aiki kamar nauyin 3.5x, don haka yana kiyaye kwanciyar hankali na kayan aiki.

04 Gwaji

Wannan 5000kVA 132/2 × 1.22+0.635kV tractioners transfoers sun kammala jerin gwaje-gwaje na yau da kullun daidai da daidaitattun ka'idodin wutar lantarki, gami da gwajin matsa lamba na sa'a 24 a 30kpa ba tare da yabo ba, gwajin mai mai rufi (narkar da iskar gas da gano abun ciki), insulation aunawa, juriya na ƙarfin ƙarfin ƙarfe da ƙarancin ƙarfin ƙarfin iska da ƙarancin ƙarfin iska Tabbatarwar ƙaura, juriya mai juriya, gajeriyar rashin ƙarfi na kewayawa, babu- gwaji da hasarar lodi, rabo da duban polarity na ginannen tasfotoci na yanzu, gwajin ƙarfin lantarki, jajircewar ƙarfin lantarki tare da ma'aunin fitarwa (PD), da gwajin insulation na ƙarin wayoyi. Duk sakamakon gwajin ya dace da buƙatun fasaha, kuma a ƙarshe ana ganin taranfomar ta cancanta, mai iya biyan bukatun yanayin aiki.

05 Kiɗa da jigilar kaya

06 Yanar Gizo da Takaitawa

Wannan 5000kVA 132/2×{3}}kV tractioner an ƙera shi kuma an ƙera shi cikin ƙaƙƙarfan ƙa'idodin canjin wuta. An daidaita shi da matsananciyar yanayi a Afirka ta Kudu, gami da gurɓataccen gurɓataccen yanayi, tsananin walƙiya, da kewayon zafin jiki na -10~+55 digiri, ƙayyadaddun halaye kamar 3.5x juriya iya aiki, cikakken rufi, da ƙarfin injina. Zane na maɓalli da sifofi sun cika cikakkiyar buƙatun aiki. An tabbatar ta hanyar jerin gwaje-gwaje na yau da kullun, duk alamun da suka haɗa da aikin hatimi, matakin rufewa, daidaiton rabon ƙarfin lantarki, da sarrafa asara sun bi ƙayyadaddun fasaha, kuma a ƙarshe ana ganin taswirar ta cancanta. Mai ikon daidaitawa ga raka'a mai gyara bugun bugun jini 12, wannan taswirar tana ba da ingantaccen kuma amintaccen tallafin makamashi don tsarin juzu'i, cike da gamsuwa da aminci da dorewar buƙatun aiki akan rukunin yanar gizo.