5 MVA Traction Transformers-132 / 1.22 KV|Afrika Boroa 2025

01 Kakaretso

1.1 Tlhaloso ea Morero

5000 kVA traction transformer e ile ea isoa Afrika Boroa ka 2025. Matla a lekantsoeng a transformer ke 5000 kVA e nang le pholiso ea ONAN. Matla a phahameng ke 132 kV le ±2*2.5% tapping range (NLTC), motlakase o tlase ke 2*1.22+0.635 kV, ba thehile sehlopha sa vector sa Y/d±15℃d11.

E etselitsoe-ka lebaka la maemo a thata a ts'ebetso Afrika Boroa, 5MVA traction transformer e sebetsa e le tiisetso ea mantlha bakeng sa lits'ebetso tsa phepelo ea motlakase oa liporo, e kopanyang tlhophiso e nepahetseng ea paramethara le ho ikamahanya le maemo ho fetisisa tikolohong e nang le moralo o phahameng-o ts'epahalang le litharollo tse ikhethileng tsa tekheniki ho tsamaisana hantle le{3}litlhoko tsa ts'ebetso ea sebaka.

Ho latela liparamente tsa mantlha, transformer e na le matla a matla a 5000kVA, motlakase oa mantlha oa 132kV, le lehlakore la bobeli le nkang 2×1.22kV dual delta{4}maqhubu a hoketsoeng (a lumellana le -li-pulse rectifiers, tse fanang ka karolo e tšeletseng{6}6} 30 k VVA) tertiary winding (e nang le lihlahla tse ikemetseng ho fana ka matla ho transformer e thusang). E sebetsa ka 50Hz, e sebelisa{11}copper e sebetsang hantle bakeng sa matsoelintsoeke ho netefatsa phepelo ea motlakase e sebetsang hantle le e tsitsitseng. Sehlopha sa likhokahano se entsoe e le Ydd±15℃, ka phetoho ea likhato tse 15 lipakeng tsa maqhubu a mabeli a tlase-a matla a motlakase, a ntlafatsang boleng ba matla a sistimi e hohelang ha ho ntse ho fokotsa tšusumetso ea tšitiso ea harmonic ka moralo o khethehileng.

Ho shebana le maemo a thata a-maemo a sebaka sa Afrika Boroa{1}}ho kenyeletsoa tšilafalo e matla, ho feto-fetoha ha motlakase (±5% tlas'a maemo a tloaelehileng, -15% tlas'a maemo a khethehileng), mefuta e mengata ea mocheso (-10℃ho +55℃), bophahamo bo phahameng (0{13}}1 le 1800% ea mocheso oa lihlahisoa tse 1800 ka botlalo), insulated winding structure, tanka ea mafura e entsoeng ka Greater ho feta kapa e lekanang le 6mm thick steel plate (16mm thick base plate), hot-dip galvanized anti-corrosion radiators, e kopantsoeng le conservator e nang le senya le phefumoloho, ho finyella ho hanyetsa mongobo o matla, tšireletso ea kutu, le tšireletso ea ho kenya letsoho. E khona ho mamella khatello ea lehalima ea HV/LV1/LV2 550/60kV 'me e na le matla a lekaneng a ho thibela matla a maqhubu a matla, e netefatsa hore e sebetsa ka mokhoa o tsitsitseng tlas'a maemo a feteletseng.

Mabapi le tshebetso, transformer e amohela pholileng ea ONAN (Oil Natural Air Natural). Thempereichara ea ho nyoloha ha e fete likhato tse 65 tlas'a ts'ebetso e sa khaotseng-ka mor'a ho fihla tekano ea mocheso le mocheso o tsitsitseng. E khona ho sebetsana le mathata a nako e khutšoanyane-: ho phahama ha mocheso ho laoloa ka har'a 70℃-100℃tlas'a maemo a ts'ebetso a 3x load bakeng sa motsotso o le 1, 3.5x mojaro bakeng sa metsotsoana e 10, le 2x mojaro bakeng sa metsotso e 30, ka ts'ireletso e ikemetseng ea 4.25x, ho leka-lekanya ts'ireletso le ts'ebetso e feteletseng. Lisebelisoa tsa bohlokoa li kenyelletsa NLTC e tima{18}}circuit tap changer (±2×2.5% tokiso e nang le padlockable), sesebelisoa se le seng-se float gas relay (e nang le alamo le likhokahano tsa maeto), sesupo sa mocheso se nang le puseletso ea mocheso oa 115 degrees ), le lebokose le nang le sehlopha sa tšireletso sa IP55. Ho feta moo, bolelele ba lihlahla bo kaonefalitsoe hore bo tsamaellane le litlhoko tsa ho kenya -setšeng sa 2.7m high-voltage busbar, e nang le fensetere/mongopo o ka holimo hore o lokisoe habonolo, le lipeipi tse hokelang sefa sa oli li boloketsoe ka thoko ho tanka ea mafura, e leng ho ntlafatsa ka botlalo ts'ebetso le tlhokomelo.

Ho tloha ho moralo oa sebopeho sa matsoelintsoeke (mofuta o tsoelang pele oa disc-mofuta oa motlakase o phahameng, spiral-mofuta oa motlakase o tlase) ho ea ho khetho ea thepa le matla a ho roala-, transfoma ena e hlophisitsoeng hantle bakeng sa lintlha tse ikhethang tsa sistimi ea phepelo ea motlakase. Ha e fihlelle feela litlhokahalo tsa tšebetso tsa -li-pulse rectifiers empa hape e fana ka tiisetso e ikemetseng bakeng sa phepelo ea motlakase ea tlatsetso ka mapheo a phahameng, e leng se etsang hore e be tharollo e loketseng ea phepelo ea motlakase e nang le -ts'itiso, e hanyetsanang le tikoloho e thata, le khaello e phahameng ea polokeho bakeng sa projeke ea Afrika Boroa.

1.2 Tlhaloso ea Setsebi

Litlhaloso tsa mofuta oa 5000 kVA traction transformer le leqephe la data

1.3 Litšoantšo

5000 kVA traction transformer diagram to the size and size.

02 Tlhahiso

2.1 Ntlha ea bohlokoa

Moko oa li-transformer o entsoe ka laminate,{0}e khonang ho kenella ka matla,{1}}lisebelisoa tsa tahlehelo tse tlase-tse batang-li-rolled grain{4}}litšepe tsa silicon tse sekametseng. E etselitsoe hore e be matla ebile e kopane, e mamella meroalo ea khafetsa le ho sisinyeha ha mochini ho ts'ebetso ea terene. Li-lamination li atisa ho kopanngoa ka manonyeletso a pota-potiloeng le a thekeselang ho fokotsa ho tsilatsila ha makenete le ho se lahleheloe ke{7}moroalo. Mehato e sebetsang hantle ea ho koala le ho fokotsa matla ke karolo ea moralo oa eona, ho netefatsa tsela e tsitsitseng le e sebetsang ea makenete bakeng sa phetoho e tšepahalang ea motlakase le phetisetso ea matla tlas'a maemo a boima.

2.2 Ho tsubella

Maqhubu a sa khaotseng a li-transformer tse tsamaeang hangata a entsoe ka terata e sephara ea koporo e nang le enameled kapa continuous transposed conductor (CTC). E entsoe ka sebopeho se sa khaotseng sa disc ntle le-linonyello tsa disc, tse nang le tahlehelo e tlase ea AC le mocheso o ts'oanang; ka ho ntlafatsa moralo oa ho kenya letsoho ho laola khatello ea motlakase, e ka fihlela litlhoko tsa matla a mochini tlas'a maemo a ts'ebetso joalo ka makhetlo a 3.5. Sebopeho sena se atisa ho amoheloa bakeng sa maqhubu a phahameng- a motlakase, a khonang ho ikamahanya le li-rectifiers tsa 12-pulse, ho fana ka tsela e tsitsitseng ea magnetoelectric bakeng sa phetolo ea matla e sebetsang hantle tsamaisong ea ho hula ha e ntse e lumellana le litlhoko tse feletseng tsa ho kenya letsoho ho netefatsa ts'ireletso ea ts'ebetso.

2.3 Tanka

Tanka e entsoe ka lipoleiti tsa tšepe tse nang le botenya ba E kholo ho feta kapa e lekanang le 6mm (botenya ba poleiti ea motheo ke 16mm), 'me sekoahelo sa eona se ka holimo se kopantsoe ka liboutu. Sebaka se ka ntle se pentiloe ka bohlooho ka botenya ba pente e seng ka tlase ho 125 microns. Ka hare ho tanka ho tletse oli ea transformer, e fanang ka ho kenya letsoho le ho senya mocheso bakeng sa motheo oa tšepe le mapheo. E sebelisana le li-radiator- tsa dip galvanized radiator ka pente ho etsa hore motho a pholisoe, 'me e hokahane le "white bladder conservator" ka nako e le 'ngoe ho netefatsa hore 'mele oa transformer o lula o qoelisoa ka har'a oli. Tanka e kholo e na le phaephe e le 'ngoe e nang le pompo (e nang le khoele e ka hare ea 50mm) ka lehlakoreng le leng la seboloki sa oli le ka lehlakoreng le leng, e sebelisetsoang ho hokahanya sefe ea oli 'me e loketse ho sebetsa fatše{9}peipi e' ngoe e behiloe sebakeng se phahameng, 'me e 'ngoe e tlase (boemo bo tlase{10}e leng moo motho a ka kopanngoang le valve ea ho ntša oli ha ho hlokahala). Tanka e boetse e na le lisebelisoa tse sireletsang tse kang valve ea ho fokotsa khatello, 'me e hloka ho lumellana le lihlahla tseo likarolo tsa tsona li phelang li seng ho feta 2.7m ka holim'a fatše, e le ho finyella litlhoko tsa ts'ebetso libakeng tse nang le tšilafalo e matla le ho otla ho matla ha lehalima Afrika Boroa, hammoho le tlas'a boemo ba 3.5x.

03 Lisebelisoa

3.1 Radiator e kentsoeng ka masenke e chesang

Radiator ena e ka senyehang e na le setsi se chesang- se nang le pente e 'ngoe, e tsamaellana le mochini o pholisang oa ONAN oa transfoma ho thusa ho qhala mocheso, 'me e etselitsoe ho ikamahanya le maemo a thata a ts'ebetso a Afrika Boroa (tšilafalo e matla, mocheso o fapaneng oa -10~{2} censurio, censux, cenax khanyetso ea nako e telele ea kutu le botsitso ba sebopeho.

3.2 Letšoao la Mocheso o Felisang

Letšoao la mocheso le matsoelintsoeke (le nkuoang e le mohatla o mongata oa mocheso) le etselitsoe ho sireletsa sefetoleli se ts'oarellang hore se se ke sa tlala, se nang le-mohatsela o mongata (o batlileng o le sebakeng se chesang ka ho fetesisa) kamano le ts'ebetso ea matšeliso a tikoloho; e na le sebaka sa ho kopana le leeto le behiloeng ka likhato tse 115 (ho ipapisitse le 45℃ambient thempereicing + 70℃maximum ea ho phahama ha mocheso) 'me e na le liparamente tsa motlakase tsa 110V DC le 6A, tse ikamahanyang le maemo a thata a ho sebetsa a transformer joalo ka 3.5x mojaro ho netefatsa ts'ebetso e bolokehileng.

3.3 Lebokose la Terminal

The terminal box of this traction transformer e na le lintlha tsa tshireletso tsa IP55, tse thibelang ho kena ha lerole le ho phatloha ho tlase-ka kgatello ya metsi, mme e hlophisitswe ho ikamahanya le maemo a thata a{2}sebakeng sa Afrika Borwa (ho kenyeletswa le tshilafatso e matla, mocheso o fapaneng wa -10~{4}} digrata, le 10%-bohareng ba 10% ho 90%. E sebeletsa ho sireletsa likhokahano tsa motlakase tse ka hare, ho netefatsa lithapo tse tšepahalang le phetisetso ea matšoao bakeng sa transformer esita le maemong a feteletseng a ts'ebetso joalo ka 3.5x mojaro, ka hona ho sireletsa ts'ebetso e tsitsitseng ea sesebelisoa.

04 Ho etsa liteko

Li-transformer tsena tsa 5000kVA 132/2×1.22+0.635kV traction li qetile letoto la liteko tse tloaelehileng ho latela maemo a nepahetseng a transfoma ea matla, ho kenyeletsoa le teko ea khatello ea lihora tse 24-ka 30kpa ntle le ho lutla, liteko tsa oli ea insulation (khase e qhibilihisitsoeng le ho lemoha boleng ba mongobo), ho hanyetsa tahlehelo ea moea le ho lla ha metsi, ho hanyetsa mocheso oa dielectric, le ho hanyetsa mocheso oa dielectric, le ho hanyetsa mocheso oa dielectric. netefatso ea ho falla, ho hanyetsa matsoelintsoeke, -ho sitisa potoloho e khuts'oane,{8}}liteko tsa{8}} tsa tahlehelo ea mojaro le mojaro, tlhahlobo ea karo-karolelano le polarity ea li-transformer tse hahelletsoeng ka hare, teko ea motlakase e kentsoeng, teko ea ho mamella motlakase o sa fellang ka mokhoa o itseng oa ho tsoa (PD) le tlhahlobo e thusang ea ho koala lithapo. Liphetho tsohle tsa liteko li latela litlhoko tsa tekheniki, 'me transformer e qetella e nkuoa e tšoaneleha, e khona ho fihlela litlhoko tsa eona tsa ts'ebetso.

05 Ho paka le ho Romela

06 Sebaka le Kakaretso

Transformer ena ea 5000kVA 132/2×1.22+0.635kV traction e entsoe le ho etsoa ka tumellano e tiileng le litekanyetso tse amehang tsa transfoma ea matla. E ikamahanya le maemo a thata a-bakeng sa Afrika Boroa, ho kenyeletsoa tšilafalo e matla, lehalima le matla, le thempereichara e fapaneng ea -10~{7}}, e ithorisa ka litšobotsi tsa mantlha tse kang 3.5x load capacity, insurance e feletseng, le matla a maholo a ho sebetsa. Moralo oa likarolo tsa bohlokoa le meaho e fihlela litlhoko tsa ts'ebetso ka botlalo. E netefalitsoe ka letoto la liteko tse tloaelehileng, matšoao ohle a kenyelletsang ts'ebetso ea ho tiisa, boemo ba insulation, ho nepahala ha tekanyo ea voltage, le taolo ea tahlehelo li latela litlhaloso tsa tekheniki, 'me transformer e qetella e nkuoa e tšoaneleha. E khona ho ikamahanya ka mokhoa o tsitsitseng le li-unit tsa 12-pulse rectifier, transformer ena e fana ka ts'ehetso e sebetsang le e bolokehileng ea phetolo ea matla bakeng sa sistimi ea ho hula, e khotsofatsang ka botlalo litlhoko tsa ts'epo le ho tšoarella ha ts'ebetso ea sebaka.