Izisekelo Zokuguqula Amandla

1. 2. Ukuhlukaniswa ngokugoqa

2. (1) I-transformer egoqeka kabili: isetshenziselwa i-transformer ekhuphukayo, i-transformer ehlayo, i-transformer yasefektri, njll.

3. (2) I-transformer enamasondo amathathu: esetshenziselwa i-transformer ehlayo, i-transformer yokubopha, njll.

4. (3) I-transformer ezixhumanisayo: esetshenziselwa i-transformer ehlayo, i-transformer yokuxhumanisa, njll.

5. (4) I-split transformer: Kunezinhlobo ezimbili ze-axial split kanye ne-radial split, ezisetshenziselwa ama-transformer asefektri kanye nama-start-up transformer.

7. 3. Ukuhlukaniswa ngesakhiwo

8. (1) I-transformer yesigaba esisodwa: isetshenziselwa ama-transformer angu-330~1000kV.

9. (2) I-transformer yesigaba esithathu: esetshenziselwa i-transformer engu-10 ~ 500 kV.

10. (3) I-transformer ehlanganisiwe: I-transformer ihlukaniswe izingxenye eziningana, futhi i-transformer ihlanganiswa ngemva kokufika endaweni, esetshenziswa ezindaweni ezinethrafikhi engafanele.

12. 4. Ukuhlukaniswa ngendlela yokupholisa

13. (1) I-transformer ecwiliswe uwoyela: isetshenziselwa ama-transformer angu-10 ~ 1000kV.

14. (2) I-transformer yohlobo olomile: isetshenziselwa ama-transformer angu-10 ~ 110 kV.

15. (3) I-SF6 transformer: okwamanje isetshenziselwa ama-transformer angu-110 kV.

17. 5. Imodeli ye-power transformer

19. (1) Incazelo yezinhlamvu ezikumodeli

21. D—Isigaba esisodwa F—Ukupholisa umoya wokucwiliswa uwoyela

22. O—self P—ukujikeleziswa kwamafutha okuphoqelelwa

23. S—I-J enezigaba ezintathu noma ezintathu—I-J ezipholisa ngokwayo ecwiliswe uwoyela

24. Z—Umlawuli we-voltage on-load L—Ikhoyili ye-Aluminium

26. * Amakhoyili ethusi namakhoyili amabili akudingeki ukuthi afake izimpawu

28. (2) Isibonelo

30. I-SFPSL—120000/110: 110kV, 120MVA i-transformer yekhoyili ye-aluminium ephoqelekile yokujikeleza uwoyela ngesivinini esiphezulu esinezigaba ezintathu

32. I-OSFPSZ—240000/330: 330 kV, 240MVA ukulawulwa kwamandla kagesi okufakwayo kwezigaba ezintathu, ukujikeleza kukawoyela okuphoqelekile emoyeni, i-transformer ezihlanganisayo ezipholile

Okwesibili, ikhoyili ye-power transformer

Ikhoyili iyingxenye ebaluleke kakhulu futhi eyinkimbinkimbi ku-power transformer. Yenziwe ngocingo lwethusi (noma i-aluminium) futhi yakhiwe ngezingxenye ezikhethekile zokuvimbela ukushisa.

1. Ikhoyili ejikelezayo

Isici esiyinhloko se-spiral coil ukuthi inani lezintambo ezihambisanayo likhulu, ikhekhe lentambo ligoqwa libe yi-spiral, kanti ikhekhe lentambo elilodwa liyi-coil yokujika okukodwa. I-spiral coil inokuqina okuhle komshini, ukushabalalisa ukushisa okuhle kanye nobuciko obuhle, futhi isetshenziswa kabanzi kuma-coil ane-voltage ephansi kanye namandla aphezulu e-transformers.

Ikhoyili ye-helical ingagoqwa ibe yizakhiwo ezintathu ze-single helix, i-double helix kanye ne-quadruple helix ngokuya ngobukhulu bomsinga.

2. Ikhoyili eqhubekayo

Uma ikhoyili yakhiwe ngezingxenye eziningana zensimbi ezisatshalaliswe ohlangothini lwe-axial futhi kungadingeki ukuthi zihlanganiswe, ibizwa ngokuthi ikhoyili eqhubekayo.

Indawo yokusekela yokugcina yekhoyili eqhubekayo inkulu, amandla e-axial makhulu, ukumelana kwe-short-circuit kunamandla, futhi ingxenye ngayinye yomugqa inomthamo omkhulu wokushabalalisa ukushisa. Lolu hlobo lwekhoyili lunezinhlobo eziningi zokusetshenziswa kungakhathaliseki ukuthi lingakanani izinga le-voltage noma ububanzi bomthamo.

3. Ikhoyili ephikisiwe

Ikhoyili ehlanganisiwe inezingxenye eziningana zomugqa ezihlanganisiwe (amaphayi). Amakhoyili anazo zonke izingxenye zomugqa ezihlanganisiwe (amakhekhe) abizwa ngokuthi amakhoyili ahlanganisiwe ngokugcwele, futhi asetshenziswa kabanzi kuma-transformer anama-voltage angu-220kV nangaphezulu. Ikhoyili eyakhiwe yingxenye yengxenye yomugqa ohlanganisiwe (ikhekhe) kanye nengxenye yengxenye yomugqa oqhubekayo ibizwa ngokuthi i-coil eqhubekayo ehlanganisiwe, esetshenziswa kuma-transformer anama-voltage angu-66 kV nangaphezulu.

Njengoba ifaka ukujika okungekho eduze phakathi kokujika okuseduze kwekhoyili, kwakheka izingxenye zomugqa ogobekile ogobekile bese kwakheka ikhoyili egobekile, ngaleyo ndlela kwandisa amandla e-longitudinal ekhoyili futhi kwenze i-impulse voltage ihambisane nokuphakama kwe-axial kwekhoyili. Izici zokusabalalisa ziyathuthukiswa, ngakho-ke isetshenziswa kabanzi kumakhoyili ahlukahlukene ane-high-voltage.

4. Ikhoyili evikelwe ngaphakathi

Ikhoyili eqhubekayo yesihlangu sangaphakathi iwukuthuthukisa ukusatshalaliswa kwe-voltage ye-impulse ngokwandisa amandla ochungechunge phakathi kwezingxenye zomugqa. Isici sayo sokwakheka ukuthi ukujika kwe-capacitor okwengeziwe kugoqwa ngqo ngaphakathi kwengxenye yomugqa oqhubekayo. Iziphetho zokujika kwe-capacitor zigoqwe nge-insulation bese zilengiswe engxenyeni yomugqa. Ukujika kwe-capacitor akuthwali ugesi futhi kusebenza kuphela ngaphansi kwe-voltage ye-impulse.

Ama-coil aqhubekayo avikelwe ngaphakathi atholakala ngendlela yesakhiwo njenge-jumper enezigaba ezimbili, i-jumper enezigaba ezine, i-jumper enezigaba eziyisishiyagalombili kanye nokuxhumeka kwezigaba.

Okwesithathu, insimbi eyinhloko ye-power transformer

Ingaphakathi lensimbi liyingxenye ebalulekile ye-power transformer. Lakhiwa ngokubeka amashidi ensimbi e-silicon angena kalula bese uwabopha ngeziqeshana zensimbi noma ukuwabopha ngamaribhoni engilazi.

1. Ishidi lensimbi le-silicon

Amashidi ensimbi ye-silicon asetshenziswa kuma-transformer kagesi amashidi ensimbi ye-silicon ebandayo e-gadolinium enobukhulu obungu-0.3 ~ 0.5mm. Njengamanje, yi-Wuhan Iron and Steel Plant kanye ne-Shanghai Baosteel kuphela ezingakhiqiza amashidi ensimbi ye-silicon ebandayo e-gadolinium. Kodwa-ke, amashidi ensimbi ye-silicon yama-transformer amakhulu kufanele angeniswe evela eJapane.

2. Isakhiwo senhliziyo yensimbi

(1) Insimbi eyinhloko enekholomu ezimbili yesigaba esisodwa, esetshenziselwa ama-transformer ahlukahlukene esigaba esisodwa.

(2) I-core ye-joke eseceleni yekholomu yesigaba esisodwa, esetshenziselwa ama-transformer esigaba esisodwa anamandla amakhulu.

(3) I-core ye-joke eseceleni enezigaba ezimbili yesigaba esisodwa isetshenziselwa ama-transformer esigaba esisodwa ane-voltage ephezulu kanye ne-ultra-high-voltage large-capacity single-phase transformers.

(4) Ikholomu yesithathu enezigaba ezintathu iyi-iron core, esetshenziselwa ama-transformer ahlukahlukene anezigaba ezintathu.

(5) Insimbi eyinhloko enamakholomu amahlanu yama-transformer amakhulu anezigaba ezintathu.

Okwesine, ithangi likawoyela le-transformer ecwiliswe ku-oyela

1. Ithangi likawoyela lohlobo lwebhareli lisetshenziswa kakhulu kuma-transformer amancane ahlukahlukene acwiliswe ku-oyela kanye nama-transformer amakhulu kakhulu acwiliswe ku-oyela.

2. Ithangi likawoyela lohlobo lwe-bell jar, elisetshenziswa kabanzi ku-transformer ecwiliswe uwoyela engu-110~500kV.

3. Ithangi likawoyela elivalwe ngokuphelele selizoshintshwa lize life. Lisetshenziswe kuphela kuma-transformer acwiliswe ngowoyela angu-110kV nangaphezulu eminyakeni yamuva nje.

5. Umlondolozi kawoyela we-transformer ecwiliswe ku-oyela

I-oyela conservator ye-transformer inemisebenzi emibili, omunye ukunikeza isikhala sokwanda nokuncipha kokushisa kwamafutha e-transformer ethangini lamafutha; omunye ukuhlukanisa uwoyela we-transformer emoyeni wangaphandle ukuvimbela uwoyela we-transformer ukuthi ungabi mdala.

1. I-conservator yamafutha yohlobo lwe-capsule, esebenzisa ama-capsule erabha ukuhlukanisa uwoyela we-transformer nomoya wangaphandle, futhi inikeza isikhala sokwanda nokuncipha kokushisa kwamafutha e-transformer.

2. Isigcini samafutha e-diaphragm sisebenzisa i-diaphragm yerabha ukuhlukanisa uwoyela we-transformer nomoya ongaphandle, futhi sinikeza isikhala sokuba uwoyela we-transformer wande futhi unciphe.

3. I-corrugated oil conservator isebenzisa i-metal expander eyakhiwe ngamashidi e-corrugated metal ukuze ihlukanise uwoyela we-transformer nomoya wangaphandle, futhi inikeze uwoyela we-transformer isikhala sokwanda nokuncipha kokushisa. I-corrugated oil conservator ihlukaniswe izinhlobo ezimbili: uhlobo lwamafutha angaphakathi nohlobo lwamafutha angaphandle. Uhlobo lwamafutha angaphakathi lusebenza kangcono kodwa lunomthamo omkhulu.

6. Indlela yokupholisa ye-transformer ecwiliswe ngamafutha

1. Izimpawu ezimele izindlela zokupholisa

Uhlamvu lokuqala: O—amafutha amaminerali, K—uketshezi lokuvikela ukwenziwa, L—igesi yokuvikela ukuvuvukala.

Uhlamvu lwesibili: N - ukujikeleza kwe-convection yemvelo, F - ukujikeleza kwe-oyili okuphoqelelwe, D - ukujikeleza kwesiqondiso okuphoqelelwe.

Uhlamvu lwesithathu: A - umoya, u-W - amanzi.

Uhlamvu lwesine: N - ukujikeleza kwemvelo, F - ukujikeleza okuphoqelelwe (umlandeli, iphampu).

2. Izibonelo

I-ONAN—Ukupholisa Kwamahhala

I-ONAF - ukupholisa umoya

I-OFAF—Ukupholisa Umoya Wokujikeleza Kwamafutha Okuphoqelelwe

I-ODAF—Ukupholisa Okuqondiswayo Kokujikeleza Kwamafutha Okuphoqelelwe

Isikhombisa, i-transformer bushing

1. I-bushing yokuvikela i-porcelain emsulwa engu-40kV nangaphansi

Lolu hlobo lwebhokisi lunezakhiwo ezimbili zohlobo lwenduku yokuqondisa kanye nohlobo lwekhebula. Uhlobo lwenduku yokuqondisa lusetshenziselwa ama-bushings ane-voltage ephansi yama-transformer; uhlobo lwekhebula oludlula lusetshenziselwa imigqa ephumayo ye-voltage ephezulu engu-10~20kV.

2. I-bushing yamandla aphezulu angu-40kV nangaphansi

Lolu hlobo lwe-bushing lunezinhlobo ezimbili zezakhiwo: uhlobo lwenduku yokuqondisa kanye nohlobo lwe-capacitive. I-bushing ehlanzekile ye-ceramic yohlobo lwenduku yokuqondisa isetshenziselwa i-outlet yokugoqa ene-voltage ephansi yama-transformer ejeneretha anomthamo ophakathi; i-capacitive bushing isetshenziselwa i-outlet yokugoqa ene-voltage ephansi yama-transformer amakhulu ejeneretha.

3. I-capacitive bushing yephepha likawoyela engu-66kV nangaphezulu

Ukufakwa kwangaphakathi kwalesi sikhindi kuyi-capacitor core eyenziwe ngephepha lokufaka umswakama kanye ne-aluminium foil eboshwe ngokushintshana. I-capacitor core kanye ne-porcelain sleeve kugcwele uwoyela wokufaka umswakama. Ukuxhumana phakathi kwesikhindi kanye ne-winding kunezinhlobo ezimbili zohlobo lwenduku yokuqondisa kanye nohlobo lwekhebula. I-capacitor core yephepha likawoyela iboshwe ngokushintshana ku-conductive tube ngephepha lekhebula eliwubukhulu obungu-0.08 ~ 0.12mm kanye ne-aluminium foil obukhulu obungu-0.01mm.

4. Ama-bushing e-tape-paper capacitive angama-66 kV nangaphezulu

Ukufakwa kwangaphakathi kwalesi sikhiya kuyi-capacitor core eyakhiwe yiphepha lokunamathela eligoqekayo kanye ne-aluminium foil. I-capacitor core kanye ne-porcelain sleeve kugcwele uwoyela wokuvikela, kanti ingxenye engezansi yesikhiya ayidingi isikhiya se-porcelain. Kodwa-ke, i-tanδ yalolu hlobo lwesikhiya inkulu, futhi iphepha lokunamathela kulula ukuliqhekeza futhi likhiphe ingxenye ethile, futhi ukukhiqizwa kumisiwe okwamanje.

5. I-resin cast capacitor bushing

Ukufakwa komoya okuyinhloko kwalesi sikhiya nakho kuyi-capacitor core eyakhiwe yiphepha lokufaka umoya eligoqekayo kanye ne-aluminium foil, futhi i-epoxy resin ithululwa ngaphandle ukuze ibe isikhiya esiqinile sokufaka umoya. Lolu hlobo lwe-bushing lungasetshenziswa njenge-oil-gas bushing, ingxenye engenhla ibekwe emgudwini we-GIS, kanti igesi ye-SF6 igcwaliswa phakathi; ingxenye engezansi icwiliswe ku-transformer oil.

8. Indlela yokulawula i-voltage ye-transformer yamandla

1. Indlela yokulawula i-Voltage

Kunezinhlobo ezimbili zezindlela zokulawula i-voltage zama-transformer: ukulawulwa kwe-voltage engavuseleli kanye nokulawulwa kwe-voltage elayishiwe. Ukulawulwa kwe-voltage engavuseleli, okwaziwa nangokuthi ukulawulwa kwe-voltage engavuseleli, ukulawula i-voltage lapho i-transformer imiswa futhi ingenawo umthwalo; Idivayisi yokulawula i-voltage engavuseleli ibizwa ngokuthi i-tap-changer engavuseleli umthwalo; idivayisi yokulawula i-voltage elayishiwe ibizwa ngokuthi i-tap-changer elayishiwe.

2. Isikhundla sokulawula i-voltage elayishiwe

Kunezinhlobo ezintathu zezikhundla zokulawula i-transformer on-load voltage: ukulawulwa kwe-neutral point voltage, ukulawulwa kwe-medium voltage end voltage kanye nokulawulwa kwe-high voltage coil line end voltage. Phakathi kwazo, isakhiwo kanye nenqubo yokulawulwa kwe-neutral point voltage kulula kakhulu, futhi kunezinhlelo zokusebenza eziningi.

3. Iswishi yokulawula i-voltage elayishiwe

Iswishi yokulawula ukucindezela nayo iyishintshi sempompi. Njengamanje, ikhwalithi yemishini yokushintsha impompi ekhiqizwe ekhaya ayanele, futhi iningi lemishini yokushintsha impompi elayishiwe lithembele ekungenisweni, okukhona okuningi kungeniswa kusuka ku-MR waseJalimane kanye ne-Swedish ABB.

Isishiyagalolunye, uwoyela we-transformer

1. Ukwakheka kwamafutha e-transformer

Uwoyela we-transformer uwoyela wamaminerali, okuyingxube yama-molecule amaningi e-hydrocarbon anesisindo sama-molecule ahlukene, okuyizinto eziyinhloko ezihlanganisa ama-hydrocarbon njenge-alkanes, i-naphthenes kanye nenani elincane lama-hydrocarbon anuka kamnandi.

2. Umsebenzi kanye nezinga likawoyela we-transformer

Uwoyela we-transformer wokuvikela uwoyela wama-transformer acwiliswe uwoyela. Uwoyela we-transformer awugcini nje ngokuba nomsebenzi wokuvikela, kodwa futhi unomsebenzi wokushabalalisa ukushisa.

Uwoyela we-transformer uhlukaniswe uwoyela onguNombolo 25 kanye nowoyela onguNombolo 45 ngokwezinga lawo lokuqandisa. Izinga lokuqandisa uwoyela onguNombolo 25 lingaphansi kuka-25°C; izinga lokuqandisa uwoyela onguNombolo 45 lingaphansi kuka-45°C.

Uwoyela we-transformer ongunombolo 25 uwoyela osekelwe ku-paraffin, kanti uwoyela we-transformer ongunombolo 45 uwoyela we-naphthenic. Esikhathini esidlule, uwoyela we-transformer ongunombolo 45 kwakudingeka ungeniswe uvela phesheya, futhi manje i-Xinjiang Karamay Refinery nayo ingawukhiqiza.

10. Inqubo yokukhiqiza i-power transformer

I-transformer yamandla inezingxenye ezimbili: umzimba kanye nezesekeli. Umzimba wakhiwe yi-coil, izingxenye zokuvikela ukushisa, umongo wensimbi, i-tap changer, uwoyela we-transformer kanye nethangi likawoyela. Izesekeli ze-transformer zifaka i-oyela conservator, i-cooler, i-bushing, i-gas relay, i-pressure releaser kanye ne-thermometer. Phakathi kwazo, ama-cooler, uwoyela wokuvikela ukushisa, ama-bushings, ama-tap changer, ama-gas relay, ama-pressure releaser kanye nama-thermometer konke kuthengwa ngaphandle. Okulandelayo kwethula kafushane izinqubo zokukhiqiza zezingxenye eziningana eziyinhloko.

1. Ukugoqa ikhoyili: ukufakwa kohlaka olugoqayo - ikhoyili egoqayo - ukushisela ucingo - iphakheji yokushisa - ukubumba ikhoyili - ukuhlolwa kwekhoyili.

2. Ukuhlanganiswa kwe-iron core: ukusika ishidi lensimbi ye-silicon - ukususa i-burshing - ukuhlanganisa i-iron core - ukufaka ipuleti lokudonsa kanye nokuvikela - ukubopha i-iron core - ukuhlolwa kwe-iron core - ukufaka iziqeshana ze-iron core.

3. Ukucubungula izingxenye zokuvala umoya: ukusika izingxenye zokuvala umoya - ukususa amabhomu - amakhona aqhekekile - ukwelashwa okuvikela umswakama.

4. Ukucutshungulwa kwamathangi kaphethiloli namathangi okugcina uwoyela: ukusika ipuleti lensimbi - ukushisela amathangi kaphethiloli namathangi okugcina uwoyela - ukususa ukugqwala - ukuqhuma kwesihlabathi - ukupenda nge-primer - ukupenda - ukuhlolwa kwamandla omshini.

5. Ukuhlanganiswa okuvamile: faka umongo wensimbi - faka ipayipi lethangi likaphethiloli - setha ikhoyili - beka ijoka lensimbi - faka umshini wokushintsha impompi - welding ucingo lwe-lead - songa ukufakelwa kwentambo ye-lead - ukuhlolwa komkhiqizo okuqediwe kancane - ukomisa umzimba - umzimba wokuqeda - ukuhlanganiswa kwethangi likaphethiloli - ukuhlanganiswa kwezesekeli - Ukugcwaliswa kwamafutha - ukuhlolwa kokuvala - ukujikeleziswa kwamafutha ashisayo - ukubekwa okungaguquki.

11. Ukuhlolwa kwefektri kwe-power transformer

Ukuhlolwa kwefektri kwe-transformer yamandla kuhlukaniswe ngezinhlobo ezintathu: ukuhlolwa okuvamile (kwefektri), ukuhlolwa kohlobo kanye nokuhlolwa okukhethekile. Ukuhlolwa okuvamile kuyinto yokuhlola okumele yenziwe nge-transformer ngayinye lapho iphuma efektri, futhi ivame ukubizwa ngokuthi ukuhlolwa kwefektri; ukuhlolwa kohlobo kuyinto yokuhlola eyenziwa ngokuthatha amasampula ama-transformer angu-1 ~ 2 ohlotsheni lomkhiqizo; ukuhlolwa okukhethekile kuphakanyiswa ngumsebenzisi. , futhi izinto zokuhlola zivumelana nomenzi.

1. Izidingo eziyisisekelo kanye nemithethonqubo yokuhlolwa kokufakwa kwamandla kagesi aphezulu

Ama-windings e-transformer ahlolwa ngokuya nge-voltage ephezulu yokusebenza i-Um kanye nezinga lokufakwa komoya elihambisanayo. Ithebula elilandelayo yizinto zokuhlolwa kokufakwa komoya ezichazwe ku-GB1094.3-2003 standard "Power Transformer Part III: Izinga Lokufakwa Komoya, Ukuhlolwa Kokufakwa Komoya kanye ne-External Insulation Air Gap".

2. Izinto zokuhlola ezijwayelekile (zefektri)

(1) Ukulinganisa ukumelana kwe-DC okugoqekayo: ukulinganisa kuzo zonke iziphetho zompompi.

(2) Ukulinganisa isilinganiso: linganisa kuzo zonke izindawo zokuthepha.

(3) Ukutholwa kweqembu lezintambo: hlola endaweni yokuthepha elinganisiwe.

(4) Ukulinganiswa kokumelana nokushisa, isilinganiso sokumuncwa kanye nenkomba yokuvunguza: Ama-transformer angu-220kV nangaphezulu kuphela angalinganisa inkomba yokuvunguza.

(5) Ukuhlolwa kwe-tanδ egoqekayo kanye ne-capacitance: Ama-transformer angu-35kV nangaphezulu kufanele ahlolwe i-tanδ.

(6) Ukuhlolwa kwe-bushing tanδ kanye ne-capacitance: Ama-capacitive bushings angu-66kV nangaphezulu kumele ahlolwe i-tanδ kanye ne-capacitance.

(7) Ukuhlolwa kwamafutha e-transformer: ukuhlaziywa kwamafutha, amandla e-dielectric, i-tanδ, ukuhlaziywa kwe-chromatographic nezinye izinto, ama-transformer angu-750kV nangaphezulu kufanele futhi ahlolwe usayizi wezinhlayiya kumafutha. Ngaphezu kwalokho, ukuhlaziywa kwamakhemikhali kawoyela kanye nokuhlaziywa kwe-chromatographic kawoyela kuphindwe kuyo yonke inqubo yokuhlola.

(8) Ukulinganiswa kokulahlekelwa umthwalo kanye nokwamanje okungenamthwalo: Yenza isivivinyo ngaphansi kwentambo ye-voltage elinganisiwe.

(9) Ukulinganiswa kokulahlekelwa umthwalo kanye ne-impedance ye-short-circuit: hlola ngaphansi kwezintambo ze-voltage ezilinganiselwe.

(10) Ukuhlolwa kokukhishwa okungaphelele: Inani lokukhishwa alisetshenziswa njengokuhlola, kodwa lisetshenziswa kuphela njengereferensi yokuthi ukuhlolwa kwe-voltage ephezulu kungenziwa yini.

(11) Ukuhlolwa kwe-Lightning full-wave impulse: 220kV nangaphezulu, 120MVA nangaphezulu kwama-transformer.

(12) Ukuhlolwa komthelela wokusebenza: ama-transformer angu-330 kV nangaphezulu.

(13) Ukuhlolwa kwe-voltage yokumelana ne-induction enesilinganiso sokukhishwa okungaphelele: ama-transformer angu-110 kV nangaphezulu.

(14) Ukuhlolwa kwemvamisa yokwakha yangaphandle ukumelana nomthamo wamandla kagesi wokujikeleza kwe-voltage ephansi kanye nendawo engathathi hlangothi.

(15) Ukuhlolwa kokukhishwa kwengxenye: Lokhu kuhlolwa kuwukuhlolwa kokuhlolwa kwenani lokuhlolwa kwasefektri.

(16) Ukulinganiswa kukagesi kokugeleza kukawoyela: ama-transformer anamaphampu kawoyela angu-330 kV nangaphezulu.

(17) Ukuhlolwa kokukhishwa kwengxenye kwepompo kawoyela ejikelezayo: ama-transformer anepompo kawoyela engu-330 kV nangaphezulu.

2. Thayipha izinto zokuhlola

(1) Ukuhlolwa kokwenyuka kwezinga lokushisa.

(2) Igagasi lokunqamula umbani selihloliwe.

(3) Ukuhlolwa komthelela wombani ogcwele amagagasi endaweni engathathi hlangothi.

(4) Ukuhlolwa kokuphazamiseka komsakazo

3. Izinto zokuhlola ezikhethekile

(1) Ukulinganisa izinga lomsindo.

(2) Ukulinganiswa kwe-impedance ye-zero-sequence yama-transformer esigaba sesithathu.

(3) Ukulinganiswa kwe-Harmonic kwamanje angenamthwalo.

(4) Ukulinganiswa kwamandla amuncwa yimoto yomoya kanye nemoto yephampu kawoyela.

(5) Ukulinganiswa kwezimpawu zokudlulisa i-voltage yesikhashana.

(6) Ukumelana nokuhlolwa kwamandla okusebenza kwe-short-circuit.