Tataiso ea Ts'ebetso ea Transformer ea Matla le Ts'ebetso

 

 

 

 

Tataiso ena e sebetsa e le tokomane e felletseng ea setegeniki bakeng sa lipalangoang, ho kenya, ho amoheloa, le ts'ebetso ea mantlha ea oli-liphetoho tsa motlakase tse qoelitsoeng. E akaretsa bophelo bohle ho tloha ho thomello ea fektheri ho isa ho khomishene e atlehileng, e kenyelletsang litlhokahalo tse khethehileng-le maemo a sebetsang a indasteri. Tokomane ena e reretsoe likonteraka tsa ho kenya, lienjineri tse laelang, le basebetsi ba liteishene tse nyane ba amehang mererong ea ho fetola motlakase.

Maemo a Sebeletsang:

• GB 50148-2010: Khoutu ya Kaho le Kamohelo ya Diphetoho tsa Matla, Melaetsa e Kentsweng ka Oli, le Disebediswa tsa ho Fetola Matla.
• GB 50150-2016: Maemo a Teko ea ho Fana ka Lisebelisuoa tsa Motlakase
• DL/T 572-95: Khoutu ea Ts'ebetso ea Transformer ea Matla
• GB 26860-2011: Khoutu ea Tšireletseho Bakeng sa Indasteri ea Motlakase-Karolo ea Lipolante le Litsi tse nyenyane
• GB/T 6451-2015: Litekanyetso tsa Setekheniki le Litlhoko tsa Liphetoho tsa Matla tse Kentsoeng ka Oli

Bakeng sa li-transformer tsa 110kV ho ea holimo, lirekoto tsa tlhahlobo ea feme ea moetsi, litaelo tsa ts'ebetso, le litokomane tse ling tsa tekheniki li tla hlahlojoa le ho bolokoa e le karolo ea polokelo ea projeke.

 

 

 

 

 

2.1 Litlhoko tsa ho Phahamisa

Ha o phahamisa 'mele o moholo, lithōle tsohle tse phahamisang holim'a tanka li tlameha ho phahamisoa ka mokhoa o lumellanang. Sekhutlo pakeng tsa thapo e 'ngoe le e 'ngoe ea ho phahamisa le perpendicular e tla ba Ka tlase ho kapa ho lekana le likhato tse 30 . Setsi sa matla a khoheli sa sehlahisoa se tlameha ho ikamahanya le setsi sa phaliso ea likoloi ho netefatsa botsitso nakong ea leeto.

2.2 Maemo a Lipalangoang Tseleng

Mokha oa kaho o tla netefatsa hore tsela e tsoang tseleng ea sechaba ho ea sebakeng sa ho kenya e loketse lipalangoang tsa transformer. Maemo a latelang a tlameha ho finyelloa:

• Bophara ba tsela e otlolohileng: E ​​kholo ho feta kapa e lekana le 3.5m
• Bophara ba tsela e kobehileng: E ​​kholo ho feta kapa e lekana le 18m
• Phallo ea mela e holimo: E kholo ho feta kapa e lekana le 4.6m
• Tsela ea gradient: Ka tlase ho kapa ho lekana le likhato tse 15
• Sebaka sa tsela se tlameha ho ba se bataletseng se se nang matsoapo a otlolohileng
• Tsela e tlameha ho khona ho jara boima ba lipalangoang kaofela.

2.3 Meeli ea tšekamelo le lebelo

Nakong ea lipalangoang tsa litsela kapa ho tšoara ka letsoho, sekhahla sa tšekamelo ea axis e otlolohileng Ka tlase kapa e lekana le 15 degree, le axis e otlolohileng Ka tlase kapa e lekana le 10 degree. Lebelo la ho tšoara ka letsoho Ka tlase kapa ho lekana le 5m/min, le lebelo la ho hula seporo Ka tlase kapa ho lekana le 5m/min. Lisebelisoa tsa braking li tlameha ho tlosoa pele li hula transformer holim'a liporo, ka mabili a nang le mafura a lekaneng.

2.4 Naetrojene-E Tlatsitsoeng Khahlanong le Oli{3}Sepalangoang se Tlatsitseng

Sepalangoang se tlatsitsoeng ke nitrogen{0}:Phoka ea naetrojene-lintlha tse <-40℃, nitrogen purity E kholo ho feta kapa e lekana le 99.9%, khatello ea tanka e ka hare E kholo ho feta kapa e lekana le 30kPa. Nakong ea ho tsamaea, khatello ea tanka e tlameha ho lula e le ntle 'me e laoloe ka holimo ho 10kPa mocheso o tloaelehileng; ho tlatsoa ka khase e tšoanelehang hoa hlokahala haeba khatello e theoha.

Sepalangoang{{0}se tlatsitsoeng ka oli:Tlatsa ka oli e tšoanelehang ea lets'oao le ts'oanang le joalo ka ha ho boletsoe setšoantšong, u boloke mohala oa oli o ka bang 100mm ka tlase ho tanka. Li-valve tsohle li tlameha ho koaloa ka lipoleiti tse foufetseng; ho dutla ha oli ho thibetswe ka thata.

2.5 Litlhoko tsa Rekoto ea Tšusumetso

Bakeng sa li-transformer tse nang le lirekoto tsa tšusumetso, boleng ba ho potlakisa g bo tla tlalehoa: boleng bo boholo bo emeng bo se ke ba feta 4g, 'me litsela tse ling ha li na ho feta 3g. Pampiri ea ho rekota e tla bolokoa polokelong ea mosebelisi kamora hore e saennoe le ho netefatsoa ke mahlakore ka bobeli.

 

 

 

 

 

 

3.1 Tokiso ea Sebaka

Pele koloi ea lipalangoang e fihla sethaleng sa boemo, matla a ho jara a fatše a tlameha ho hlahlojoa. Mehato e loketseng e tla nkuoa ho thibela ho sekama ho feteletseng nakong ea ho laolla.

3.2 Ho Phahamisa bakeng sa ho Laolla

thapo e phahamisang e tlameletsoe 'mele oohle ka har'a mekotla e khethiloeng; ho tlama li-tank lugs ho thibetsoe ka thata. Haeba angle ea ho phahamisa e feta likhato tse 30, ho tlameha ho sebelisoe sefate sa ho phahamisa ho netefatsa polokeho. Haeba o laolla ka ho tšoara ka letsoho, sebelisa lipoleiti tsa jack holim'a tanka, ho netefatsa hore jack e 'ngoe le e' ngoe e fumana matla a lekanang, ebe o phahamisa ka ho lumellana.

3.3 Boemo

Lebelo le otlolohileng la 'mele o ka sehloohong le lokela ho laoloa ka thata, ka bophahamo bo bong le bo bong bo Tlase kapa bo lekana le 30mm. Ho na le tlhokahalo ea 1.5% ea gradient bakeng sa pipe e holimo e kopanyang ea transformer; ha ho shimming e hlokahalang ka lehlakoreng la conservator ha u beha.

Bakeng sa mabili-li-transformer tse nang le lisebelisoa, netefatsa hore masoba a screw a hokahana le masoba a plates a tsitsitseng ka tlas'a tanka. Sheba sebaka sa mabili khahlanong le sebaka sa terene pele u kenya, ebe u tlatsa sesebelisoa sa braking.

 

 

 

 

 

 

4.1 Tlhahlobo ea 'Mele le Lisebelisoa

Ha ba fihla, k'hamphani le mosebelisi ba tla hlahloba hanghang 'mele oa mantlha le lisebelisoa bakeng sa:

• Netefatso ea lintlha:Sheba lintlha tsa nameplate, mofuta, le bongata khahlanong le litlhoko tsa theko.
• Boemo ba 'mele:Sheba hore na ho na le tšenyo, ho senyeha, ho phunyeha kapa ho falla pakeng tsa teraka le transformer.
• Bongata ba lisebelisoa:Netefatsa liphutheloana le lisebelisoa khahlano le lenane la phetisetso le lenane la ho paka, ho kenyeletsoa li-thermometers, bushings, le likarolo tse ling.
• Likarolo tsa tlatsetso:Sheba likarolo tse setseng le lisebelisoa tsa lisebelisoa khahlanong le litlhoko tsa konteraka.

Tšenyo efe kapa efe kapa lintho tse sa tloaelehang li tla tlalehoa ka botlalo ka{0}}lifoto tsa sebaka. Fana ka litšoantšo, manane a nang le liphoso, le likopi tsa rekoto ho moetsi le k'hamphani ea lipalangoang hang-hang bakeng sa tlhahlobo le tharollo e nakong.

4.2 Kamohelo ea Oli ea Insulation

Tlhahlobo ea pono ea oli ea insulation ha u fihla ho hlahloba motsoako oa thepa ea kantle ho naha. Liphetho tsa liteko li tlameha ho kopana:

• Matla a ho senya: A maholo ho feta kapa a lekana le 40kV/2.5mm
• Likahare tsa metsi: Ka tlase ho kapa ho lekana le 20ppm

Mefuta e fapaneng ea oli ea transformer e lokela ho bolokoa le ho bolokoa ka thoko.

 

 

 

 

 

 

 

5.1 Naetrojene-Bobolokelo bo Tlatsitseng ba Sehlahisoa

Bakeng sa lihlahisoa tse tlatsitsoeng ka naetrojene{{0}, hlahloba hang-hang hore na khatello ea naetrojene e finyella se hlokahalang (E kholo ho feta kapa e lekana le 10kPa ka mocheso o tloaelehileng). Haeba e bolokiloe ho feta matsatsi a 15, ho tlatsoa oli hoa hlokahala. Oli e setseng setsing sa tanka e tlameha ho kopana le matla a ho robeha Ho feta kapa ho lekana le 40kV/2.5mm le metsi a ka Tlase kapa a lekana le 20ppm.

Nakong ea polokelo e tlatsitsoeng ka nitrogen{0}, tlhahlobo e tla etsoa bonyane habeli ka letsatsi, ka lirekoto tsa khatello ea tanka le tlatsetso ea naetrojene. Haeba khatello e theoha ka potlako, hlahloba ho lutla 'me u e lokise hang-hang ho thibela ho kena ha mongobo.

5.2 Oli{1}Bobolokelo bo Tlatsitseng ba Sehlahisoa

Bakeng sa -lihlahisoa tse tlatsitsoeng ka oli, nka lisampole tsa oli ha u fihla 'me u leke. Ts'ebetso e tlameha ho kopana: matla a ho robeha Ho feta kapa ho lekana le 40kV/2.5mm. Haeba mohlala oa oli o hloleha, etsa qeto ea hore na mongobo o kene 'me u ikopanye le moetsi.

5.3 Polokelo ea Karolo

• Likarolo tsa ho tlosa (conservator, radiator, cooler):Itšireletse khahlanong le pula, lerōle, le litšila. Libaka tsa polokelo li tlameha ho ba tse tiileng le tse ka bang 100mm ka holim'a mobu o potolohileng; tlase e lokela ho phahamisoa ka 200mm ho thibela mafome.
• Litšepe le lisebelisoa (lisebelisoa tsa ho metha, li-relay, li-terminal boxes, control cabinets, ho-mochine oa ho fetola thepa, lithapo, litiiso, joalo-joalo):Boloka ka likamoreng tse omeletseng, tse nang le moea oa moea.

5.4 Boikemisetso ba ho ba mongobo

Transformer e nkoa e se mongobo haeba maemo a latelang a finyelloa (a lekoa ka mor'a ho tlotsa oli):

• Insulation resistance value E kholo ho feta kapa e lekana le 70% ea data ea feme
• Bohareng-ho{1}}bohanyetsi ba ho suthela fatše fatše ≠0
• Mongobo ho nitrogen Ka tlase ho kapa ho lekana le 100ppm
• Mongobo oleng o Ka tlase ho kapa o lekana le 20ppm

Haeba litlhoko tsena li ke ke tsa finyelloa, transformer e ke ke ea kenngoa kapa ea sebelisoa. Ikopanye le moetsi bakeng sa tataiso.

 

 

 

 

 

 

 

6.1 Litlhahlobo tsa{1}}Pele

• Netefatsa hore lisebelisoa li felletse ebile li maemong a matle. Liteko tsa{{1}pele tsa ho kengoa li kenyelletsa: dielectric dissipation factor of oil-paper condenser bushings, polarity and ratio of bushing current transformer, tlhahlobo le tokiso ea relay ea gas, le tlhahlobo le tokiso ea selaoli sa mocheso.
• Lokisetsa lisebelisoa tsa ho tlatsa, ho hula le ho sefa. Netefatsa palo e lekaneng le boleng ba oli ea transformer.
• Lokisetsa lisebelisoa tsa ho kenya: filthara ea oli ea vacuum (mochini oa oli), tanka ea oli, li-tubes tsa oli, crane le lisebelisoa tse ling.

6.2 Thepa le Lisebelisoa tse Hlokehang

S/N	Thepa Lebitso	Tlhaloso & Tlhaloso
1	Lisebelisoa tsa tlhahlobo ea oli	Oli e mamella voltage, boemo ba metsi, tgδ, joalo-joalo.
2	Sesebelisoa sa ho phahamisa (ho kenyeletsoa le li-slings)	Bokhoni ka setšoantšo sa kopano e akaretsang
3	Setlhopha sa oli sa vacuum (mochini o tlotsang oli)	Bakeng sa ho tlatsa oli ea transformer
4	Mekhatlo ea liphaephe le li-tube	Manonyeletso / li-flanges ho bapisa boholo ba li-valve setšoantšong ka seng
5	Tanka ea ho boloka oli	Hoo e ka bang 1.1 × boima ba oli ea transformer
6	Lilere	25m le 3m
7	Thapo ea nylon	Bakeng sa ho phahamisa lihlahla, li-radiator, conservator
8	Ho phahamisa maoto	Bakeng sa li-radiator, conservator, joalo-joalo.
9	Lisebelisoa tse akaretsang	Liboutu, likurufu le lisebelisoa tsa letsoho
10	Megameter (2500V)	Bakeng sa ho lekanya khanyetso ea insulation
11	Setsi sa mabone	Bakeng sa tlhahlobo ea ka hare ea tanka
12	Lesela- le thibelang metsi	Tšireletso ho boemo ba leholimo
13	Setima-mollo	Bakeng sa polokeho ea mollo

6.3 Litlhoko tsa Tikoloho bakeng sa Tlhahlobo ea Phahamiso ea Motheo

• Mongobo<65%: exposure time of active parts ≤16h
• Mongobo 65% -75%: nako ea ho pepeseha ea likarolo tse sebetsang Ka tlase ho kapa ho lekana le 12h
• Mocheso oa tikoloho O moholo ho feta kapa o lekana le likhato tse 5; mocheso oa 'mele o lokela ho ba likhato tse 5-10 ka holim'a tikoloho
• Haeba ambient mocheso<0°C, raise active parts temperature above 10°C by hot oil circulation in advance
• Mongobo o moholo ho feta kapa o lekana le 75%: tlhahlobo ea phahamiso ea mantlha kapa kemiso ea naetrojene ha e na ho etsoa.

 

 

 

 

 

 

 

7.1 Tokisetso ea ho Phahamisa Sekoahelo

Haeba konteraka e bolela hore ha ho hlokahale ho phahamisa sekoahelo sa tanka, ts'ebetso ena e ke ke ea etsoa. Leha ho le joalo, haeba transformer e bile le tšusumetso kapa likotsi tse sa lebelloang nakong ea lipalangoang, tlhahlobo ea mantlha e tla etsoa ho sa tsotelehe.

Pele o etsa tlhahlobo ea sekoaelo sa tanka:

• Tlatsa litloaelo tsohle tsa mosebetsi le litlhoko ho latela litataiso tsa ho itokisa
• Lokolla kapa tlosa likhokahano tsa mochini lipakeng tsa 'mele le tanka ea oli
• Harola ho-load tap changer ho latela litaelo tsa eona

7.2 Mokhoa oa ho Phahamisa

Arola liboutu tse kopaneng tsa moeli oa tanka ea oli. Ho latela lits'oants'o tsa kopano, khetha letjeketjane le loketseng ho leketla ka har'a yuniti ea clamping ea mokotla o phahamisang. Ho phahamisa teko ea nakoana ho lokisa boemo ba hook hore bohare ba khoheli bo tsamaisane le mola o otlolohileng o tšoanang. Ka mor'a teko e atlehileng, phahamisa tanka ea oli 'me u e behe holim'a litšehetso tse hloekisitsoeng.

7.3 Lethathamo la Tlhahlobo ea ka hare

• Boemo ka kakaretso:Hore na 'mele o na le phalliso efe kapa efe kapa ho khopama ho hoholo
• Letlapa le holimo la matsoelintsoeke:Hlahloba metsamao efe kapa efe
• Lithapo tse etellang pele:Sheba li-welds tse bulehileng kapa khefu; netefatsa hore terata ea lead e lula e le maemong a matle
• Tobetsa liboutu le likurufu:Sheba hore na ha ho na ho lokoloha hofe kapa hofe
• Li-fasteners tse tloaelehileng:Sheba hore na ha ho na ho lokoloha hofe kapa hofe
• Tanka ea oli le bokahare ba 'mele:Ha ho litšitiso kapa metsi a lumelloang
• Tlanya lebitso la ho fetola:Hlahloba ho kopana le likhokahano tsa terata; etsa bonnete ba ho tiisa hantle
• Theko ea mantlha:Netefatsa core e thehiloe ka nako e le 'ngoe mme insulation e maemong a matle

7.4 Taolo ea Lisebelisoa Nakong ea Tlhahlobo ea Ka hare

Lisebelisoa tsohle tse sebelisoang ke bahlahlobi li tlameha ho ngolisoa ka ID. Lipokotho tsa basebetsi ha lia lumelloa ho ba le lintho tsa tšepe. Lerōle le lithōle li thibetsoe ka thata ho kena ka tanka. Kamora ho phethoa, basebetsi ba sebetsang ba tlameha ho netefatsa hore ha ho na maloanlahla a setseng ka hare, mme lisebelisoa tsohle li tla hlahlojoa khahlano le ngoliso.

7.5 Ho kopanya Tanka hape

Hloekisa oli e setseng ho tloha tanka e ka tlase 'me u netefatse hore ha ho na lisebelisoa kapa maloanlahla a setseng. Etsa bonnete ba hore gasket ea ho tiisa e tiile ebile e kentsoe ka nepo. Ho phahamisa tanka ea oli ho tlameha ho tsitsa; ho theola lebelo ho lokela ho ba bonolo ho qoba ho phunya lead le 'mele oa transformer. Ha tanka ea oli e atamela gasket, sebelisa lithupa ho tataisa tekano ea bolt. Ka mor'a ho netefatsa ho behoa ha gasket, kenya liboutu tsohle 'me u fasten diagonally ka mekhahlelo ho finyella esita le ho tiisa.

 

 

 

 

 

 

8.1 Litokisetso tsa ho Kena ka Kakaretso

Bala likarolo tsohle tse tla kenngoa (ho kenyeletsoa liboutu, linate, li-washer). Hlahloba ka hloko, hloekisa lisebelisoa, 'me u tlose litšitiso, litšila le lerōle le tsoang lithapong tsa manonyeletso.

Likarolo tse nang le matšoao a ho instola (tse phahameng-voltage, medium-voltage, low-voltage bushings, pedestals, pressure release device) li tlameha ho latela litaelo tsa ho kenya hape, ho ela hloko boemo bo amanang le sebaka sa tanka.

Bakeng sa 110kV ho ea holimo, malebela a ho kenyeletsoa ka terata ea loto a tlameha ho kengoa ka har'a motlakase{1}}molomong oa li-sharing ball of the bushing.

Ha o kopanya liphaephe tse kopanetsoeng tsa conservator, qala ho tloha lehlakoreng la phepelo ea khase. Tlama liboutu ka mokhoa o sa fellang ho fihlela likarolo tsohle li kopantsoe, ebe u qala ho tiisa ho tloha lehlakoreng la phepelo ea khase.

Lithako tsa thermometer li lokela ho tlatsoa ka oli ea 2/3 ea transformer.

Bakeng sa lisebelisoa tse nang le li-plug tse tsoang moeeng (li-LV bushing, li-relay tsa khase, sekontiri sa oli, li-radiator, joalo-joalo), bula polaka e kaholimo ea moea kamora ente ea oli ho lokolla moea o bokelletsoeng; u se ke ua koala ho fihlela oli e phalla.

Pele li-gaskets tsa ho tiisa li behoa, boloka libaka tsa tšepe li hloekile. Bokaholimo ba ho koala bo tlameha ho koaheloa ka mafura{1}e koaletsoeng ka gasket e tiisitsoeng e lutse hantle. Fasten liboutu diagonally le khatello e tšoanang.

8.2 Ho kenya Bushing

Lintlha tsa bohlokoa:

• Sebaka sa Crane se lokela ho thusa ho phahamisa lihlahla le ho kenya
• Sebelisa thapo ea nylon kapa thapo ea terata e nang le letsoho la tšireletso; thibela ho soahlamana ka setshelo sa ho paka kapa ntho tse ding
• Sheba ho lutla ha oli ka mor'a ho tlosa bushing ka lebokoseng; netefatsa hore boemo ba oli ka methareng ea oli bo tloaelehile
• Hloekisa bokaholimo ba flange le bokahare ba bushing pedestal ka lesela le hloekileng le lesoeu pele u kenya
• Bushing slant angle e tlameha ho tsamaisana le pedestal slant angle

Bakeng sa 110kV le ka holimo ho kenya condenser bushing:

• Tlosa sekoaelo sa litheminale tse ka holimo le likoahelo pele u li phahamisa
• Ka mor'a hore bushing e behoe holim'a pedestal, sheba ka masoba a lebota la tanka ho netefatsa hore ntlha ea khoune ea terata ea lead e hateletsoe ka har'a "voltage{0}}sharingball"
• Netefatsa hore terata e ka hare e otlolohile ha e sothehe kapa ho kobeha
• Qoba ho phahamisa terata e shoeleng ha o otlolla terata ea loto ho thibela tšenyo ea lehong kapa ho hula{0}}ka ntle

8.3 Ho kenya Lisebelisoa tsa ho Pholisa

Li-valve tsa butterfly li lokela ho ba maemong a sa sebetseng ha li theola lipoleiti tse koalang lipalangoang. Lipholi li 'nile tsa hlahlojoa hore ha li lutle ka tlas'a khatello le oli{1}li hlatsuoa pele-mosebetsi. Bula poleiti ea ho tiisa lipalangoang ho hlahloba bohloeki ba ka hare; fumana hore na oli e eketsehileng{4}e hlatsuoa ea hlokahala. Kenya cooler ho latela likarolo tsa linomoro le matšoao a ho instola. Ha o phahamisa, boloka se pholileng se otlolohile 'me u se ise sebakeng, ebe u kopanya ka lipeipi tse kopanyang tanka.

8.4 Ho Kenyetsoa ha Valofo ea Khatello

Tlosa lipoleiti tse koalang lipalangoang le likoahelo tsa lesoba la ho kenya. Hlakola marako a ka hare ka lesela le lesoeu ho fihlela ho se na litšila tse setseng. Kenya ka flange; hloka tiiso e ntle le tlhomamiso e tšepahalang. Haeba e na le sekoahelo, sekoahelo sa oli se lokela ho lebisoa sebakeng se bulehileng. Haeba e na le oli-peipi e tataisang, e kenye ka nepo.

8.5 Ho kengoa ka Phatlalatso ea Khase

Sheba ponahalo e maemong a matle le ho ikopanya le lets'oao la liteko le ho ikopanya le leeto bakeng sa ho ts'epahala. Tlosa lipoleiti tsa ho tiisa tsa lipalangoang le flange e hlakileng ea ho kenya. Tlosa thapo ea k'hothone e bolokang senoelo sa float nakong ea ho tsamaisa. Kenya sepalangoang sa khase pakeng tsa tanka ea oli le seboloki sa oli, ho latela tataiso ea motsu sesebelisoa (motsu o supang sebolokelo sa oli). Kenya lipeipi bakeng sa lipehelo tsohle tsa lihlahla e le hore khase eohle e ka hare e bokelle ka har'a phaephe e hokelang ho relay ea khase.

Hlokomela:Sekoaelo se ka holimo sa transformer se tla ba le moepa oa 1.0% -1.5% ho latela tataiso ea phallo ea khase ho tsamaisa pokello ea khase le ho kenya alamo.

8.6 Kemiso ea Sebapali le Mongobo (Breather).

Phahamisa bracket ea conservator 'me u e lokise ka tanka e nang le liboutu. Kenya conservator ka har'a bracket. Hokela liphaephe 'me u kenye se tsamaisang khase holim'a valve ea serurubele ka tlas'a seboloki. Kenya liphaephe tsa khase, liphaephe tsa oli le liphaephe tse nang le li-valve tsa ho emisa lipheletsong tse tlase. Kenya phala e kopanyang e monyang mongobo, ebe u kenya moea o tlase qetellong. Gasket ea ho tiisa bakeng sa polokelo le lipalangoang e tlameha ho tlosoa. Tlatsa lebokose la ho koala oli ka oli ea transformer e le hore boemo ba oli bo qoelise selikalikoe sa moea se thibelang.

8.7 Ho kenya Thermometer

Sets'oants'o sa thermometer se lutse holim'a sekoaelo sa tanka ea oli haufi le setsi sa polokelo. Tlatsa oli e nyane ea transformer ka har'a sets'oants'o pele u kenya thermometer. Beha thermometer ka har'a sets'oants'o ka bonolo. Bakeng sa li-thermometer tsa likhatello tsa khatello, coil conduits tse sa sebetseng joalo ka terei ebe u li lokisa leboteng la tanka.

8.8 Bulela{1}}Load Tap Changer Installation

Ka mor'a ho kenya tanka ea oli, hlahloba le ho hloekisa kamore ea oli ea mokhethoa hape, ebe u kenya phala ea ho hula oli. Phahamisa mochine o fetolang pompo ka poleiti e khethehileng ea hanger, kopanya hape flange e bohareng le flange ea tšehetso, 'me u netefatse hore ho tiisoa hantle. Beha switjha ka hloko ka phaposing ya oli, o dikolosa selese ya insuela ka bonolo ho lekanya kgokahanyo le ho etsa bonnete ba hore e behilwe hantle. Kenya sesupo sa boemo le poleiti ea ho notlela, ebe u kopanya hape boto ea sekoaelo sa hlooho. Sebetsa hantle 'me u fetole phetoho ka letsoho ho netefatsa symmetry, ebe ka motor. Lekola sebaka se seng le se seng sa pompo ho netefatsa hore pontšo ea ho pompong le sesupo sa mochini oa enjene lia tšoana.

 

 

 

 

 

 

 

 

9.1 Litlhoko tsa Boleng ba Oli

Oli ea Transformer e tla hloekisoa polanteng ho fokotsa-mosebetsi o mongata oa ho lokisa setšeng. Bakeng sa lipalangoang tse telele-kapa polokelo ea nako e telele{3}, ho tla sebelisoa meqomo ea oli. Pele o tšela oli, tlhahlobo ea tlhahlobo ea oli e tlameha ho etsoa. Bakeng sa ente ea vacuum, oli e tlameha ho finyella litekanyetso tse latelang:

Paramethara	Tlhokahalo
Matla a ho senya	E kholo ho feta kapa e lekana le 70kV/2.5mm
Likahare tsa metsi	Ka tlase ho kapa ho lekana le 8mg/L
Likahare tsa khase	Ka tlase ho kapa ho lekana le 0.8% (ka molumo)
Dielectric loss factor tanδ (90 degree)	Ka tlase kapa ho lekana le 0.5%
Palo ea likaroloana (5μm–100μm)	≤1000 particles/100mL; no particles >100μm

Hlokomela:Bakeng sa li-transformer tsa 330kV–750kV, metsi ha a na ho feta 10mg/L; bakeng sa 110(66)kV, metsi a se ke a feta 20mg/L; bakeng sa 220kV, metsi a se ke a feta 15mg/L.

9.2 Mokhoa oa ho Tlatsa Vacuum

Pele ho tlatsoa vacuum, lisebelisoa tsohle tsa motheo le liphaephe tsa khokahano li tlameha ho theoa ka mokhoa o ts'epahalang. Oli e lokela ho kenngoa ho tsoa ho valve e tlase ea oli. Vacuum pumping e tla bolokoa nakong eohle ea ho tlatsa, ka khatello e setseng e ka tlase ho kapa e lekanang le 20Pa. Mocheso oa oli o tla ba holimo ho feta mocheso oa 'mele; Mocheso oa oli o tsoang sefang e lokela ho ba likhato tse 55-65. Lebelo la ho tlatsa ha lea lokela ho feta 100L / min. Nakong eohle ea ts'ebetso, "vacuum filter inlet" le liphaephe tsa ho tsoa li ke ke tsa chencha sebakeng se bulehileng{9}}.

9.3 Vacuum Hold le Boemo ba Oli

Emisa ho tlatsa ha boemo ba oli bo le 100-200mm ka tlase ho tanka. Boloka vacuum: bakeng sa li-transformer tsa 110kV, tšoara vacuum bonyane lihora tse 2; bakeng sa li-transformer tsa 220kV, bonyane lihora tse 4.

9.4 Post{1}Ho Tlatsa Tloso ea Moea

Kamora ho tlatsoa ka oli, bula moea o bulehileng-li-bleeder plugs holim'a li-coolers, bushings, li-relay tsa khase, li-conservators, le li-radiator ho ntša moea o koalehileng. U se ke ua koala li-plug tsa moea ho fihlela oli e phalla. Bakeng sa li-transformer tsa phepelo ea oli tse qobelloang, qala lisebelisoa tsohle tse pholileng 'me u potolohe bonyane lihora tse 4 ho tlosa moea o setseng ka botlalo.

9.5 Ho potoloha ha Oli e Chesang

Bakeng sa 330kV le ka holimo ho li-transformer, ho tsamaisoa ha oli e chesang hoa tlama ka mor'a ho tlatsa vacuum. Ts'ebetso ea ho potoloha ha oli e chesang e sebelisa-sefe ea vacuum e phahameng, e nang le mocheso oa oli o sa feteng likhato tse 50 kapa ho feta 80; mocheso o ka hare oa tanka ha o ka tlase ho likhato tse 40. Nako ea ho potoloha: li-transformer tsa 220-330kV eseng ka tlase ho lihora tse 24; Li-transformer tsa 500kV tse seng ka tlase ho lihora tse 48. Nako ea 'nete ea ho potoloha e lokela ho lumella bophahamo ba oli eohle ho potoloha bonyane habeli.

9.6 Phetoho ea Boemo ba Oli

Kamora ho tlatsa, netefatsa sesupo sa boemo ba oli ka linako tse ling. Bophahamo ba oli bo tla ts'oana le mats'oao a "conservator" a tsamaellanang le thempereichara e tikolohong{{1}–2 lihora tse kamora ho tlatsa, hlahloba boemo ba oli hape. Haeba bophahamo ba oli bo theohile haholo, eketsa oli ho e tlisa moleng o ts'oanang oa mocheso.

9.7 Ho tsitsa ho tsitsitseng

Ka mor'a ho tlatsa, transformer e tla ba le nako ea ho lokisa e tsitsitseng ho lumella oli hore e rarolle ka botlalo le ho tlosa litšila le li-bubble tse emisitsoeng. Bakeng sa li-transformer tsa 110kV, nako ea ho lokisa e tsitsitseng E kholo ho feta kapa e lekana le lihora tse 24; bakeng sa li-transformer tsa 220kV, E kholo ho feta kapa e lekana le lihora tse 48.

 

 

 

 

 

 

Oli ea Transformer ke mokelikeli o tukang. Ho tsuba le malakabe a bulehileng ho thibetsoe ka thata sebakeng sa ho kenya. Haeba ho hlokahala ho cheselletsa khase kapa ho tjheseletsa ka motlakase, mehato ea ho thibela mollo e tlameha ho hlokomeloa ka tieo. Thepa ea ts'ireletso ea mollo e tla hlongoa pele e kengoa, 'me ho na le basebetsi ba khethiloeng ba ikarabellang. Lipampiri tsa pampiri le lesela la k'hothone le qoelisoang ka oli ea transformer li tla bokelloa ka oli ea litšila 'me li lahleloe ka mokhoa o ts'oanang ka mor'a ho kenngoa.

Mehato e meng ea polokeho:

• Pele ho e kenya, molaoli-ka{1}}ka sehloohong le molaoli oa ts'ireletso o tla bitsa bohle ba kenyang liboka tsa ts'ireletso mosebetsing, a fane ka thuto ea polokeho, le ho phatlalatsa melao ea ts'ireletso.
• Basebetsi ba sa sebetseng ha baa lokela ho kena sebakeng sa ho kenya
• Lisebelisoa le thepa e fetisetsoang holimo le tlase li tla kopanngoa; ha ho dumelle ho lahlela
• Ha ho kenya kapa ho tlosa likarolo tse atisang ho oela holimo, batho ba babeli ba tla sebetsa hammoho
• Ha o sebelisa mabone a tsamaeang, mabone a 220V a ke ke a kenngoa ka tanka ea oli, leha e le hore matla a nakoana a ke ke a beoa ka li-conductors tse sa sirelelitsoeng hantle.

 

 

 

 

 

 

11.1 Pele ho-Litlhahlobo tsa Komisi

Pele transformer e kenngoa ts'ebetsong ea teko, tlhahlobo e felletseng e tla etsoa:

• 'Mele o ka sehloohong le lisebelisoa li bokane ka botlalo le boemong bo botle; maemo a mokhahlelo le matshwao a nepahetseng
• Tanka ea oli le likarolo tsohle li hlakotsoe, ha ho na ho lutla ha oli
• Matšoao a boemo ba oli ea li-Conservator le bushing a hlakile ebile a nepahetse, ka phapang pakeng tsa phoso ea tekanyo
• Lisebelisoa tse pholileng li sebetsa ka mokhoa o tloaelehileng; lipompo tsa oli le lifenehi li sebetsa hantle; li-circuits tsa taolo li sebetsa hantle
• Relay ea khase e kentsoeng ka tsela e nepahetseng; boemo ba oli bo tloaelehile; khase e khaotsoeng ka botlalo
• Mokelikeli oa mongobo o tletseng gel ea silica ea allochroic; senoelo sa oli se na le oli e hlakileng maemong a loketseng
• Thepa ea ho fetola e sebetsa ka mokhoa o bonolo; sesupo se nepahetseng; mekhahlelo-mehato e meraro ea ts'oana
• Mehaho ea motheo ea motheo, ho theoa ha tanka ea oli, ho theoa ha lihlahla, le thebe ea fatše e felletse ebile e theiloe ka mokhoa o tšepahalang.
• Ha ho{{0}liteishene tsa ho jara tsa bushing-mofuta oa li-transformer tsa hona joale tse khutšoane-tse potolohang le tse theiloeng fatše

Ho hlahloba ka mekhahlelo:Sehlopha sa khokahano ea Transformer phase le winding se tla fihlela litlhoko tsa ts'ebetso e ts'oanang pele ho matlafatsoa.

11.2 Liteko tsa Motlakase

Liteko tsohle tsa motlakase li tla etsoa ka GB 50150-2016 pele ho ts'ebetso. Lintlha tse hlokahalang tsa tlhahlobo li kenyelletsa:

Che.	Ntho ea Teko
1	Teko ea oli e sireletsang kapa tlhahlobo ea khase ea SF6
2	Tekanyo ea khanyetso ea DC ea windings hammoho le lihlahla
3	Hlahloba karo ea motlakase ka lipompo tsohle
4	Tlhahlobo ea lihlopha tse tharo- tse tharo le tlhahlobo ea polarity (mohato o le mong-)
5	Tekanyo ea ho hanyetsa insulation ea mantlha le li-clamps
6	E seng{{0}liteko tsa porcelain bushing
7	Ho{{0}tlanya{1}}tlhahlobo le liteko tsa changer
8	Insulation resistance, absorption ratio, kapa polarization index measurement of windings with bushings
9	Dielectric loss factor (tanδ) le tekanyo ea bokhoni ba mapheo a nang le lihlahla
10	Maqhubu a deformation teko
11	AC e mamella tlhahlobo ea voltage ea li-winding tse nang le lihlahla
12	Nako e telele-e susumelitsoeng ke AC e mamella teko ea motlakase ka tekanyo e sa fellang ea ho tsoa
13	Teko ea ho koala ea phello ho voltage e lekantsoeng
14	Tlhahlobo ea mohato
15	Tekanyo ea lerata

Bakeng sa li-transformer tsa 66kV le ka holimo, tlhahlobo ea khase ea chromatographic ea oli e tla etsoa ka makhetlo a mararo: ka mor'a ho tlatsa le ho lokisa oli, lihora tse 24 ka mor'a liteko tse mamellang le tse sa fellang, le lihora tse 24 ka mor'a ho koala le ho sebetsa ka matla a lekantsoeng. Kakaretso ea lihlahisoa tsa hydrocarbon ka oli e ncha ea transformer ha ea lokela ho feta 20μL/L, H₂ e se fete 10μL/L, le C₂H₂ e se ke ea feta 0.1μL/L.

11.3 Teko ea ho Koala ea Tšusumetso

Transformer e tla koaloa ka makhetlo a 5-e tletseng{2}}voltage impact. Ka mor'a matla a pele, nako ha ea lokela ho ba ka tlase ho metsotso e 10. Matla a magnetizing inrush current a ke ke a baka ts'ebetso e mpe ea sesebelisoa sa ts'ireletso. Bakeng sa litsamaiso-lintlha{8}}tse sa nke lehlakore, ntlha ea ho se nke lehlakore e tlameha ho theoa nakong ea ho koala ts'usumetso.

11.4 Ts'ebetso ea Teko

Ka mor'a ho koaloa ha phello e atlehileng, transformer e tla kenngoa ts'ebetsong ea teko, e atisang ho sebetsa ka bongata bo bongata bo fumanehang ho tloha tsamaisong ka nako eo bakeng sa lihora tse 24 tse tsoelang pele. Ka mor'a lihora tse 24 tsa ts'ebetso e atlehileng ntle le ho se tloaelehe, teko ea teko e nkoa e phethehile, 'me transformer e ka kenngoa ts'ebetsong ka molao.

11.5 Litokomane Tse Tla Fanoa

Ha kamohelo e phethetsoe, litokomane tse latelang li tla fetisetsoa:

• Kenya lirekoto tsa tekheniki, lirekoto tsa mantlha tsa tlhahlobo, lirekoto tsa ho omisa, litlaleho tsa tlhahlobo ea boleng, le litlaleho tsa liteko tsa motlakase-
• Litšoantšo tsa kaho le litokomane tsa phetoho ea moralo
• Bukana ea litaelo tsa lihlahisoa tsa moetsi, lirekoto tsa liteko, setifikeiti sa ho lumellana, le litšoantšo tsa ho kenya
• Manane a likarolo tse ling, lisebelisoa, lisebelisoa tse khethehileng le lisebelisoa tsa tlhahlobo

 

 

 

 

Tataiso ena e tsepamisitse maikutlo holim'a li-transformer tse kholo tsa motlakase litsing tse nyane le lifemeng tsa indasteri. Bakeng sa litlhophiso tse ling tsa li-transformer tse fumanehang hangata ho marang-rang a kabo le tikolohong ea kantle, ka kopo sheba litokomane tse tsamaellanang tse ka tlase.

• Tataiso ea Ts'ebetso ea Transformer ea Substation
• Pole Mounted Transformer Installation le Tataiso ea Ts'ebetso
• Pad Mounted Transformer Installation le Tataiso ea Ts'ebetso
• Mofuta o omileng oa ho kenya Transformer le Tataiso ea Ts'ebetso
• Tataiso ea Ts'ebetso ea Compact Substation le Tataiso ea Ts'ebetso

 

 

 

 

 

 

Ho kenya le ho kenya tšebetsong ka nepo ho bohlokoa molemong oa ts'ebetso e bolokehileng le e ts'epahalang ea nako e telele- ea li-transformer tsa motlakase. Tataiso ena e kopanya litlhoko tsa moetsi le litekanyetso tse sebetsang tsa naha. Basebetsi bohle ba amehang ba hloka ho latela ka tieo lits'ebetso tse hlalositsoeng mona, ho boloka litokomane ka botlalo nakong eohle ea ts'ebetso ea ho kenya, le ho buisana le moetsi ha ho hlaha ho se na bonnete.