Ho Khetha Sebopeho se nepahetseng sa Dielectric Architecture

The4000 kVA Mofuta o omileng oa Transformere emela matsete a bohlokoa bakeng sa-lisebelisoa tse kholo. Boemong bona ba matla a 4 MVA, thepa e sebetsa e le sebaka sa mantlha sa seteishene. Ka hona, ho bohlokoa ho khetha theknoloji e nepahetseng bakeng sa ho tšepahala ha nako e telele-.

Joaloka moetsi ea felletseng, re etsa senaomileng kabo transformerka meaho e 'meli e ikhethang ea dielectric:Vacuum Pressure Impregnated (VPI)leCast Resin (CRT). Khetho pakeng tsa tsena tse peli e itšetlehile ka ho feletseng ka maemo a itseng a tikoloho le filosofi ea tlhokomelo ea sebaka sa ho kenya.

Khetho A: Cast Resin (Epoxy Technology)

Bakeng sa libaka tse nang le mongobo o phahameng, lerōle la conductive, kapa likhoutu tse thata tsa mollo, re khothaletsalahla mofuta oa resin transformer.

Encapsulation Physics:Moetso ona, mapheo a phahameng-a feletsoe ke matla-a kentsoeng ka har'a silika e tiileng-e tlatsitsoeng epoxy.¹Sena se theha tiiso ea hermetic ho potoloha li-conductor.
Molemo:Senaepoxy resin mofuta o omileng oa transformere fana ka boemo bo phahameng ka ho fetisisa ba tšireletso ea tikoloho (E2/C2/F1 Class). Ha e kenelle ho kenngoa ha mongobo nakong ea ho koala 'me e khona ho mamella maemo a "Pollution Degree 3" (boima bo boima ba indasteri) ntle le flashover, kaha ha ho na tsela e pepeneneng ea creepage holim'a coil.

Kgetho B: VPI (Vacuum Pressure Impregnated)

Bakeng sa libaka tse laoloang ka tlung moo boima le phallo ea moea e leng tsona tse tlang pele, thevpi transformerke khetho e phahameng ea boenjiniere.

Bula{{0}Fiziki ea Leqeba:Sebakeng sa boloko bo tiileng, likhoele tsa VPI li tšeloa ka pampiri e nang le masoba a Nomex® kapa Aramid ebe ka mor'a moo khatello ea -ka baesekele e nang le{1}}varnish ea polyester e phahameng. Sena se siea khoele "e bulehile" moeeng.

Molemo:

Ho Khutlisa Mocheso:Ka li-conductors li pepesehetse moea o pholileng (ho e-na le ho patoa ka resin), likarolo tsa VPI li tlosa mocheso ka potlako 'me li fole ka potlako ho tloha ho li-spikes tse ngata.
Phokotso ea Boima:Ho felisa boima bo boima ba epoxy ho fokotsa boima ba yuniti kaofela ka hoo e ka bang15-20%, ho theola litlhoko tsa ho jara sebopeho bakeng sa ho kenya mezzanine kapa marulelong.

Boenjiniere ba Khokahano: Phephetso ea 5700A

Ka 4000 kVA, -voltage output current e tlase ho 400V e fihla ho bongata bo boholo.Setšoantšo sa 5773 Amps. Sena se etsa hore likhokahano tse tloaelehileng tsa lithapo li be kotsi 'meleng ka lebaka la matla a khoheli.

Busduct Interface:Ho sa tsotelehe hore na u khetha VPI kapa Cast Resin, likarolo tsa rona tsa 4 MVA li na le tse khethehilengE Feletseng-Flange Throat. Sena se nepahetse-ho sebelisana ka kotloloho le lisebelisoa tsa Copper Busbar Trunking, ho netefatsa hore khatello ea kelello e tsoang ho libare tse boima e fetisetsoa foreiming e koetsoeng, eseng li-transformer bushings.

Leqephe la Boitsebiso ba Teknoloji

Tekheniki Parameter	Tlhaloso / Likhetho
Rated Power	4000 kVA (4 MVA)
Voltage ea mantlha	10kV / 11kV / 13.8kV / 33kV
Motlakase oa bobeli	400V / 690V / 3.3kV
E lekantsoe Hona Joale	~5773 A (ho 400V) / ~3347 A (ho 690V)
Likhetho tsa Theknoloji	Cast Resin KAPA VPI
Sehlopha sa Insulation	Sehlopha sa F (155 degrees) kapa Sehlopha sa H (180 degrees)
Voltage ea Impedance	7.0% - 8.0% (Ho fokotsa phoso kA)
Ho phodisa	AN (Base) / AF (Moea o qobelloang)
Kakaretso ea Boima	VPI: ~ 9,500 kg / Cast Resin: ~ 11,500 lik'hilograma

Moelelo o Tloaelehileng oa Tšebeliso

Lisebelisoa tsa Cast Resin:Liteishene tsa metro tse tlas'a lefatše, limela tsa lik'hemik'hale, le libaka tse mongobo tsa tropike moo ho sa khoneheng{0}}ho hanyetsa mongobo.
Lisebelisoa tsa VPI:Likepe tsa likepe (bakeng sa boima bo bobebe), litsi tsa data tsa likamore tse hloekileng, le lipeeletso tsa meaho e nang le boima bo fokolang ba lifti.