1. Morero le mefuta eatransformertlhokomelo
a. Morero oa tlhokomelo ea transformer
Morero o ka sehloohong oa tlhokomelo ea transformer ke ho netefatsa hore transformer le lisebelisoa tsa eona tsa ka hare le tsa kantle likarololi bolokiloe li le boemong bo botle, li "loketse morero" 'me li ka sebetsa ka mokhoa o sireletsehileng neng kapa neng. Ho bohlokoa ka ho tšoanang ke ho boloka rekoto ea nalane ea boemo ba transformer.
b. Diforomo tsa tlhokomelo ya transformer
Li-transformer tsa motlakase li hloka mesebetsi e fapaneng ea tlhokomelo ea kamehla, ho kenyeletsoa ho lekanya le ho leka liparamente tse fapaneng tsa transformer. Ho na le mefuta e 'meli ea mantlha ea tlhokomelo ea transformer. Re etsa sehlopha se le seng nako le nako (se bitsoang tlhokomelo ea thibelo) le sa bobeli ka mokhoa o ikhethang (ke hore, ha ho hlokahala).
2. Tlhahlobo ea Khoeli le Khoeli ea Tlhokomelo ea Transformer ea Nako le Nako
– Boemo ba oli sekoahelong sa oli bo lokela ho hlahlojoa khoeli le khoeli e le hore bo se ke ba oela ka tlase ho moeli o behiloeng, kahoo tšenyo e bakoang ke eona ea qojoa.
- Boloka masoba a ho hema ka hara tube ya ho hema ya silica gel a hlwekile ho netefatsa hore ho hema ho sebetsa hantle.
- Haeba utransformer ea motlakasee na le lihlahla tse tlatsang oli, etsa bonnete ba hore oli e tlatsitsoe hantle.
Haeba ho hlokahala, oli e tla tlatswa ka hara sehlahla ho fihlela boemong bo nepahetseng. Ho tlatsa oli ho etsoa boemong ba ho tima.
3. Tlhokomelo le Tlhahlobo ea Letsatsi le Letsatsi
– Bala MOG (Methara ea Oli ea Magnetic) ea tanka e kholo le tanka ea polokelo.
- 'Mala oa gel ea silika e phefumolohang.
- Ho dutla ha oli ho tloha ntlheng efe kapa efe ya transformer.
Haeba boemo ba oli bo sa kgotsofatse ho MOG, oli e lokela ho tlatswa ka hara transformer, mme tanka yohle ya transformer e lokela ho hlahlojwa hore na e dutla oli. Haeba ho fumanwa ho dutla oli, nka kgato e hlokahalang ho kwala ho dutla. Haeba gel ya silica e fetoha pinki hanyane, e lokela ho nkelwa sebaka.
4. Kemiso ea motheo ea tlhokomelo ea transformer ea selemo le selemo
– Mosebetsi o iketsang, o hole, le o etsoang ka letsoho oa sistimi ea ho pholisa o bolela hore lipompo tsa oli, lifene tsa moea, le lisebelisoa tse ling li ikopanya le sistimi ea ho pholisa ea transformer le potoloho ea taolo. Li tla hlahlojoa ka nako ea selemo se le seng. Haeba ho se sebetse hantle, batlisisa potoloho ea taolo le boemo ba 'mele ba pompo le fene.
- Li-bushing tsohle tsa transformer li lokela ho hloekisoa ka lesela le bonolo la k'hothone selemo le selemo. Nakong ea ho hloekisa li-bushing, ho lokela ho hlahlojoa hore na ha li na mapetso.
- Boemo ba oli ba OLTC bo tla hlahlojoa selemo le selemo. Ka hona, sampole ea oli e tla nkuoa ho tsoa valve ea drain ea tanka e khelohang, 'me sampole ena ea oli e bokelletsoeng e tla lekoa bakeng sa matla a dielectric (BDV) le mongobo (PPM). Haeba BDV e le tlase, 'me PPM bakeng sa mongobo e phahame ho feta boleng bo khothaletsoang, oli e ka hare ho OLTC e hloka ho nkeloa sebaka kapa ho sefshoa.
- Tlhahlobo ea mechine ea Buchholzli-relayho etsoa selemo se seng le se seng.
- Lijana tsohle li lokela ho hloekisoa ka hare bonyane hanngoe ka selemo. Mabone ohle, li-heater tsa sebaka lia hlahlojoa ho bona hore na li sebetsa hantle. Haeba ho se joalo, u tlameha ho nka khato ea tlhokomelo. Likhokahano tsohle tsa terminal tsa taolo le lithapo tsa relay li lokela ho hlahlojoa ka thata bonyane hanngoe ka selemo.
- Li-relay tsohle, lialamo, le liswichi tsa taolo hammoho le lipotoloho tsa tsona, liphanele tsa R&C (Control Panel le Relays) le RTCC (Remote Tap Change Control Panel), li lokela ho hloekisoa ka ho hloekisoa ka hloko.
- Lipokotho tsa OTI, WTI (sesupo sa mocheso oa oli le sesupo sa mocheso oa coil) sekoahelong se ka holimo sa transformer tse lokelang ho hlahlojoa, le hore na oli ea hlokahala.
- Mosebetsi o nepahetseng oa Sesebelisoa sa ho Lokolla Khatello le relay ea Buchholz o lokela ho hlahlojoa selemo le selemo. Ka hona, likhokahano tsa maeto le likhokahano tsa alamo tsa lisebelisoa tse ka holimo li khutsufatsoa ke terata e nyane 'me li hlokomele hore na li-relay tse amanang le tsona phanele ea taolo ea hole li sebetsa hantle.
- Khanyetso ea ho thibela ho ruruha ha transformer le index ea polarity li lokela ho hlahlojoa ka mochine o kopanyang o sebelisoang ka betri ea 5 kV.
- Boleng ba khanyetso ea khokahano ea mobu le rizer li lokela ho lekanyetsoa selemo le selemo ka sehokelo sa ho lekanya khanyetso ea lefats'e.
- Tlhahlobo ea DGA kapa khase e qhibilihisitsoeng ea oli ea transformer e lokela ho etsoa selemo le selemo bakeng sa li-transformer tsa 132 kV, hang ka lilemo tse 2 bakeng sa li-transformer tse ka tlase ho 132 kV, ka lilemo tse peli bakeng sa li-transformer tse transformer ea 132 kV.
Ketso e lokelang ho nkuoa hang ka mor'a lilemo tse peli:
Tekanyo ea OTI le WTI e lokela ho etsoa hang ka mor'a lilemo tse peli.
Tan & delta; Tekanyo ea li-bushing tsa transformer le eona e lokela ho etsoa hang ka mor'a lilemo tse peli.
5. Tlhokomelo ea transformer motheong oa halofo ea selemo
Transformer ea hau ea motlakase e hloka ho lekoa likhoeli tse ling le tse ling tse tšeletseng bakeng sa IFT, DDA, flash point, seretse se se nang metsi, asiti, metsi, matla a dielectric, le ho hanyetsa oli ea transformer.
6. Tlhokomelo eaTransformer ea Hona Joale
Li-transformer tsa hajoale ke karolo ea bohlokoa ea lisebelisoa life kapa life tse kentsoeng seteisheneng sa transformer ea motlakase ho sireletsa le ho lekanya motlakase.
Matla a ho thibela ho ruruha a CT e lokela ho hlahlojoa selemo le selemo. Ts'ebetsong ea ho lekanya khanyetso ea ho thibela ho ruruha, ho lokela ho hopoloa hore ho na le maemo a mabeli a ho thibela ho ruruha li-transformer tsa hona joale. Boemo ba ho thibela ho ruruha ba CT ea mantlha bo phahame haholo, kaha bo tlameha ho mamella motlakase oa sistimi. Empa li-CT tsa bobeli li na le boemo bo tlase ba ho thibela ho ruruha ka kakaretso ba 1.1 kV. Ka hona, li-transformer tsa pele ho isa ho tsa bobeli le tsa pele ho ea lefats'eng li lekanngoa ka li-megger tsa 2.5 kapa 5 kV. Empa moeketsi enoa oa motlakase o phahameng a ke ke a sebelisoa bakeng sa litekanyo tsa bobeli kaha boemo ba ho thibela ho ruruha bo tlase haholo ho latela pono ea moruo ea moralo. Ka hona, moeketsi oa bobeli o lekanngoa ka li-megger tsa 500 V. Kahoo, terminal ea pele ho ea lefats'eng, terminal ea pele ho ea bohareng ba tekanyo ea bobeli, le terminal ea pele ho ea bohareng ba tšireletso ea bobeli li lekanngoa ka li-megger tsa 2.5 kapa 5 kV.
Ho skena pono ea thermo ea li-terminal tsa mantlha le dome e ka holimo ea CT e phelang ho lokela ho etsoa bonyane hanngoe ka selemo. Ho skena hona ho ka etsoa ka thuso ea Khamera ea Infrared Thermal Monitoring.
Likhokahano tsohle tsa CT tse lebokoseng la CT le lebokoseng la CT li lokela ho hlahlojoa, ho hloekisoa le ho tiisoa selemo le selemo ho netefatsa hore tsela e tlase ka ho fetisisa ea ho hanyetsa CT e ka ba ea sekondari. Hape, etsa bonnete ba hore lebokose la CT le hloekisitsoe ka nepo.
Lihlahisoa tsa MBT Transformer
7. Tlhokomelo ea selemo le selemo eatransformer ea motlakasedi-transformer tsa motlakase tsa s kapa capacitor
Sekoahelo sa porcelain se lokela ho hloekisoa ka liaparo tsa k'hothone.
Kopano ea lekhalo la tlhase e tla hlahlojoa selemo le selemo. Tlosa karolo e tsamaeang ea lekhalo la tlhase ha u kopanya, hloekisa electrode ea braes ka sandpaper, 'me u e khutlisetse sebakeng sa eona.
Sebaka sa ho thella se nang le maqhubu a phahameng se lokela ho hlahlojoa ka mahlo selemo le selemo haeba bothata bo sa sebelisoe bakeng sa PLCC.
Lik'hamera tsa pono ea mocheso li sebelisoa ho hlahloba libaka life kapa life tse chesang ka har'a li-capacitor stacks ho netefatsa hore ho lokisoa ha tsona ke profeshenale.
Likhokahano tsa terminal Lebokose la PT junction le na le likhokahano tsa fatše tse lekiloeng bakeng sa ho tiea hanngoe ka selemo. Ntle le moo, lebokose la PT junction le lona le tlameha ho hloekisoa hantle hanngoe ka selemo.
Boemo ba manonyeletso ohle a gasket le bona bo lokela ho hlahlojoa ka mahlo le ho nkeloa sebaka haeba ho fumanoa litiiso tse senyehileng.
Nako ea poso: Phuptjane-01-2021