Umehluko we-engeli yesigaba phakathi kwamandla amabili e-electromotive

1. Yimuphi umehluko omkhulu phakathi kwezinguquko zamanani kagesi phakathi ne-system oscillation kanye ne-short circuit?

1) Enqubweni ye-oscillation, inani likagesi elinqunywa umehluko we-engeli yesigaba phakathi kwe-electromotive.

amandla amajeneretha asebenza ngokufana ayalingana, kuyilapho inani likagesi kumjikelezo omfushane livelela.

2) Enqubweni ye-oscillation, i-engeli phakathi kwama-voltage nganoma yisiphi isikhathi kugridi yamandla iyashintsha ngokuhluka

i-engeli yesigaba phakathi kwamandla e-electromotive esistimu, kuyilapho i-engeli ephakathi kwamanje ne-voltage empeleni ingashintshile

ngesikhathi somjikelezo omfushane.

3) Enqubweni ye-oscillation, isistimu i-symmetrical, ngakho-ke kukhona izingxenye zokulandelana ezinhle kuphela kugesi.

amanani, nokulandelana okunegethivu noma izakhi zokulandelana eziziro nakanjani zizovela enanini likagesi ngesikhathi

isifunda esifushane.

2. Uyini umgomo wedivayisi yokuvimbela i-oscillation esetshenziswa kabanzi kudivayisi yokuvikela ibanga okwamanje?

Yiziphi izinhlobo ezikhona?

Yakhiwa ngokuya ngesivinini soshintsho lwamanje phakathi ne-oscillation yesistimu kanye nephutha kanye nomehluko ngamunye

ingxenye yokulandelana.Okuvame ukusetshenziswa amadivaysi okuvimbela i-oscillation akhiwe izingxenye zokulandelana ezingezinhle

noma ukukhuphuka kokulandelana okuyingxenye.

3. Kuyini ukusatshalaliswa kwamanje kokulandelana kweziro okuhlobene nalapho isifunda esifushane senzeka kusistimu enesisekelo esimaphakathi ngokuqondile?

Ukusatshalaliswa kwamanje kokulandelana kweziro kuhlobene kuphela nokusabela kokulandelana kweqanda kwesistimu.Usayizi onguziro

ukusabela kuncike kumthamo we-grounding transformer ohlelweni, inombolo kanye nesimo sephoyinti elingathathi hlangothi

ukubeka phansi.Uma inani le-transformer neutral pointing likhuphuka noma lehliswa, ukulandelana kweziro

inethiwekhi yokusabela yesistimu izoshintsha, ngaleyo ndlela iguqule ukusatshalaliswa kweziro ezilandelanayo zamanje.

4. Yiziphi izingxenye zesiteshi se-HF?

Yakhiwe nge-high frequency transceiver, ikhebula le-high frequency, i-high frequency wave trap, isihlungi esihlanganisiwe, ukuhlanganisa

i-capacitor, ulayini wokudlulisela kanye nomhlaba.

5. Uyini umgomo wokusebenza womehluko wesigaba sokuvikela imvamisa ephezulu?

Qhathanisa ngokuqondile isigaba samanje ezinhlangothini zombili zomugqa ovikelekile.Uma isiqondiso esihle samanje ohlangothini ngalunye

kucaciswe ukugeleza ukusuka ebhasini kuya emgqeni, umehluko wesigaba samanje nhlangothi zombili yi-180 degrees ngaphansi kokujwayelekile

kanye namaphutha angaphandle wesifunda esifushane.Uma kwenzeka iphutha langaphakathi lesifunda esifushane, uma umehluko wesigaba phakathi kwe-electromotive

ama-force vectors kuzo zombili iziphetho kwenzeka ngokuzumayo, umehluko wesigaba samanje kuzo zombili iziphetho unguziro.Ngakho-ke, isigaba

Ubudlelwano bamanje bamandla wefrikhwensi kudluliselwa kolunye uhlangothi ngokusebenzisa amasignali amaza aphezulu.I

amadivaysi okuvikela afakwe nhlangothi zombili zolayini asebenza ngokuya ngamasignali atholiwe aphezulu amele

isigaba samanje sezinhlangothi zombili lapho i-engeli yesigaba inguziro, ukuze ama-circuit breaker nhlangothi zombili ahambe ngesikhathi esifanayo.

isikhathi, Ukuze kuzuzwe inhloso ukususwa iphutha fast.

6. Kuyini ukuvikelwa kwegesi?

Lapho i-transformer ihluleka, ngenxa yokushisa noma ukushisa kwe-arc endaweni yesifunda esifushane, umthamo kawoyela we-transformer uyakhula,

kukhiqizwa umfutho, futhi igesi iyakhiqizwa noma ibole, okuholela ekugelezeni kukawoyela ku-conservator, izinga likawoyela.

amaconsi, futhi oxhumana nabo be-gas relay baxhunyiwe, okusebenza ekuqhumeni kwe-circuit breaker.Lokhu kuvikela kubizwa ngokuthi ukuvikela igesi.

7. Ingakanani ububanzi bokuvikelwa kwegesi?

I-1) Iphutha lesifunda esifushane se-Polyphase ku-transformer

2) Jikela ukuze uvule isekethe emfushane, ujike ukuze uguqule isekethe emfishane nge-iron core noma isifunda esifushane sangaphandle

3) .Ukwehluleka okubalulekile

4) Izinga likawoyela liyehla noma ukuvuza

I-5) Ukuthintana kabi kwe-tap switch noma i-wire welding engalungile

8. Uyini umehluko phakathi kokuvikelwa komehluko we-transformer nokuvikelwa kwegesi?

Ukuvikelwa komehluko we-transformer kuklanywe ngokulandela isimiso sokujikeleza kwendlela yamanje, kuyilapho i-

ukuvikelwa kwegesi kusethwe ngokuvumelana nezici zokugeleza kwamafutha negesi okubangelwa amaphutha angaphakathi we-transformer.

Izimiso zabo zihlukile, futhi ububanzi bokuvikela nabo buhlukile.Ukuvikelwa okuhlukile kuyisivikelo esikhulu

ye-transformer kanye nesistimu yayo, futhi umugqa ophumayo nawo uwububanzi bokuvikela okuhlukile.Ukuvikelwa kwegesi yikona okuyinhloko

ukuvikelwa uma kwenzeka iphutha langaphakathi le-transformer.

9. Uyini umsebenzi wokuvala kabusha?

1) Uma kwenzeka ulayini wehluleka okwesikhashana, ugesi uzobuyiselwa ngokushesha ukuze kuthuthukiswe ukwethembeka kokuphakelwa kukagesi.

2) Olayini bamandla kagesi aphezulu abanamandla avela emazweni amabili, ukuzinza kokusebenza okuhambisanayo kohlelo kungasebenza.

kwenziwe ngcono, ngaleyo ndlela kuthuthukiswe umthamo wokudlulisa wentambo.

3) Ingalungisa ukukhubeka okungamanga okubangelwa umshini we-breaker breaker ongasebenzi kahle noma ukungalungi kahle kwe-relay.

10. Yiziphi izidingo okufanele zihlangabezane nazo zokuvala kabusha imishini?

1) Isenzo esisheshayo nokukhethwa kwesigaba okuzenzakalelayo

2) Noma yikuphi ukwenzeka kwezinto eziningi akuvunyelwe

3) Ukusetha kabusha okuzenzakalelayo ngemva kwesenzo

4) .Ukukhubeka mathupha noma ukuvala mathupha akumele kuphinde kuvalwe uma kuba khona iphutha

11. Ukuvala kabusha okuhlanganisiwe kusebenza kanjani?

Iphutha lesigaba esisodwa, ukuvalwa kwesigaba esisodwa, ukukhubeka kwezigaba ezintathu ngemuva kokuvala kabusha iphutha elingunaphakade;Iphutha lesigaba ukuya esigabeni

uhamba izigaba ezintathu, futhi izigaba ezintathu ziyahambisana.

12. Ukuvalwa kabusha kwezigaba ezintathu kusebenza kanjani?

Noma yiluphi uhlobo lwephutha luhamba izigaba ezintathu, ukuvala kwezigaba ezintathu, kanye nephutha elingunaphakade lihamba izigaba ezintathu.

 
13. Ukuvala kabusha kwesigaba esisodwa kusebenza kanjani?

Iphutha lesigaba esisodwa, ukuhlangana kwesigaba esisodwa;Iphutha lesigaba ukuya kwesigaba, okungaqondanga ngemva kokukhubeka kwezigaba ezintathu.

 
14. Yimuphi umsebenzi wokuhlola okufanele wenziwe ku-voltage transformer esanda kufakwa ukusebenza noma ukulungiswa kabusha

uma ixhunywe ku-voltage yesistimu?

Linganisa isigaba ukuya ku-voltage yesigaba, i-voltage elandelanayo engu-zero, i-voltage yokujika ngakunye kwesibili, hlola ukulandelana kwesigaba

kanye nokuzimisela kwesigaba

15. Yiziphi izifunda okufanele idivayisi yokuzivikela imelane ne-voltage yokuhlola imvamisa yamandla engu-1500V?

110V noma 220V DC isekethe phansi.

16. Yiziphi izifunda okufanele idivayisi yokuzivikela imelane ne-voltage yokuhlola imvamisa yamandla engu-2000V?

1) .Isifunda esiyisisekelo kuya phansi se-AC voltage transformer yedivayisi;

2) .Isifunda esiyisisekelo kuya phansi se-AC transformer yamanje yedivayisi;

3) I-backplane line kuya kumjikelezo waphansi wedivayisi (noma isikrini);

17. Yiziphi izifunda okufanele idivayisi yokuzivikela imelane ne-voltage yokuhlola imvamisa yamandla engu-1000V?

Ipheya ngayinye yokuxhumana nesekethe yaphansi esebenza kusekethe engu-110V noma engu-220V DC;Phakathi kwepheya ngalinye loxhumana nabo, kanye

phakathi kweziphetho eziguqukayo nezimile zoxhumana nabo.

18. Yiziphi izifunda okufanele idivayisi yokuvikela imelane nevolthi yokuhlola imvamisa yamandla engu-500V?

1) Isifunda se-DC logic kuya kumjikelezo ophansi;

2) DC logic circuit kuya high-voltage circuit;

3) 18 ~ 24V isekethe phansi nge-voltage elinganiselwe;

19. Chaza kafushane ukwakheka kwe-electromagnetic intermediate relay?

Yakhiwa ngozibuthe kagesi, ikhoyili, izikhali, ukuthintana, intwasahlobo, njll.

20. Chaza kafushane ukwakheka kwesiginali ye-DX?

Yakhiwe ngozibuthe kagesi, ikhoyili, izikhali, ukuthintana okuguquguqukayo nokumile, ibhodi lesiginali, njll.

21. Yimiphi imisebenzi eyisisekelo yemishini yokuvikela edluliswayo?

Uma isistimu yamandla ihluleka, ezinye izisetshenziswa zikagesi ezizenzakalelayo zisetshenziselwa ukususa ngokushesha ingxenye enephutha

uhlelo lwamandla.Uma izimo ezingavamile zenzeka, amasignali athunyelwa ngesikhathi ukuze anciphise ububanzi bephutha, anciphise

ukulahleka kwephutha futhi uqinisekise ukusebenza okuphephile kwesistimu.

22. Kuyini ukuvikela ibanga?

Kuyidivayisi yokuvikela ekhombisa ibanga likagesi ukusuka ekufakweni kwesivikelo kuya endaweni yephutha

futhi inquma isikhathi sesenzo ngokwebanga.

23. Kuyini ukuvikelwa kwe-high-frequency?

Ulayini wokudlulisa wesigaba esisodwa usetshenziswa njengesiteshi esinemvamisa ephezulu ukudlulisa imvamisa ephezulu yamanje, kanye nezimbili

uhhafu wamasethi okuvikela amanani kagesi efrikhwensi yamandla (njengesigaba samanje, isiqondiso samandla) noma okunye

amanani aboniswa kuzo zombili iziphetho zomugqa axhunywe njengesivikelo esikhulu somugqa ngaphandle kokubonisa i-

iphutha langaphandle lomugqa.

24. Yiziphi izinzuzo kanye nobubi bokuvikela ibanga?

Inzuzo ukuzwela okuphezulu, okungaqinisekisa ukuthi umugqa wephutha ungasusa ngokukhetha iphutha ngokuqhathaniswa

isikhathi esifushane, futhi akuthintwa imodi yokusebenza kohlelo kanye nefomu lephutha.Ububi bayo ukuthi uma i

ukuvikela kulahlekelwa ngokuzumayo i-voltage ye-AC, kuzodala ukuthi isivikelo singasebenzi kahle.Ngoba ukuvikelwa kwe-impedance

Isebenza lapho inani le-impedance elilinganisiwe lilingana noma lingaphansi kwenani elimisiwe le-impedance.Uma i-voltage ngokuzumayo

iyanyamalala, isivikelo sizokwenza okungalungile.Ngakho-ke, izinyathelo ezihambisanayo kufanele zithathwe.

25. Siyini isivikelo sendlela yokukhiya imvamisa ephezulu?

Umgomo oyisisekelo wokuvikela i-high-frequency blocking directional usekelwe ekuqhathaniseni izikhombisi-ndlela zamandla

izinhlangothi zombili zomugqa ovikelwe.Lapho amandla wesifunda esifushane ezinhlangothini zombili egeleza esuka ebhasini eya emgqeni, ukuvikelwa

uzothatha isinyathelo.Njengoba isiteshi se-high-frequency asinakho okwamanje ngokujwayelekile, futhi uma iphutha langaphandle lenzeka, uhlangothi

ngesiqondiso samandla esingesihle sithumela amasignali okuvimbela imvamisa ephezulu ukuvimba isivikelo nhlangothi zombili, kubizwa ngokuthi

high-frequency blocking directional protection.

26. Kuyini ukuvikelwa kwebanga lokuvinjwa kwemvamisa ephezulu?

Ukuvikelwa kwefrikhwensi ephezulu kuyisivikelo sokubona isenzo esisheshayo sawo wonke umugqa, kodwa ngeke sisetshenziswe njenge

ukuvikelwa okuyisipele kwebhasi nemigqa eseduze.Nakuba ukuvikelwa kwebanga kungadlala indima yokuvikela ikhophi yebhasi

kanye nemigqa eseduze, ingasuswa ngokushesha kuphela lapho amaphutha enzeka phakathi kwemigqa engaba ngu-80%.Imvamisa ephezulu

ukuvimbela ukuvikelwa kwebanga kuhlanganisa ukuvikelwa kwemvamisa ephezulu nokuvikelwa kwe-impedance.Uma kwenzeka iphutha langaphakathi,

wonke ulayini unganqanyulwa ngokushesha, futhi umsebenzi wokuvikela isipele ungadlalwa uma kwenzeka iphutha lebhasi kanye nomugqa oseduze.

27. Yiziphi izingcwecwe zokucindezela ezivikelayo okufanele zisuswe ngesikhathi sokuhlolwa okuvamile kokuvikelwa kwe-relay

amadivaysi efektri yethu?

(1) Ukwehluleka ukuqalisa ipuleti lokucindezela;

(2) Ukuvikelwa okuphansi kwe-impedance kweyunithi ye-generator transformer;

(3) Ibhande lokuvikela lamanje elilandelanayo elinguziro ohlangothini lwamandla kagesi aphezulu we-transformer enkulu;

28. Uma i-PT iphuka, yiziphi izisetshenziswa zokuzivikela ezihambisanayo okufanele ziphume?

(1) Idivayisi ye-AVR;

(2) Idivayisi yokushintsha amandla okuzenzakalelayo;

(3) Ukulahlekelwa isivikelo sokuvusa;

(4) Ukuvikelwa kwe-Stator interturn;

(5) Ukuvikelwa kwe-impedance okuphansi;

(6) I-overcurrent yokuvala ugesi ephansi;

(7) Amandla kagesi aphansi ebhasi;

(8) Ukuvikelwa kude;

29. Yiziphi izenzo zokuvikela ze-SWTA ezizokhuba iswishi ye-41MK?

(1) Isenzo sesigaba sesithathu se-OXP sokuvikela iexcitation;

(2) 1.2 izikhathi V/HZ ukubambezeleka imizuzwana 6;

(3) izikhathi ezingu-1.1 zokulibaziseka kwe-V/HZ imizuzwana engu-55;

(4) Umkhawulo wamanje osheshayo we-ICL usebenza ezigabeni ezintathu;

30. Uyini umsebenzi we-inrush current blocking element yokuvikela okuhlukile kwe-transformer eyinhloko?

Ngaphezu komsebenzi wokuvimbela i-maloperation ye-transformer ngaphansi kwe-inrush current, ingaphinde ivimbele ukungahambi kahle

okubangelwa ukugcwala kwesiguquli samanje uma kwenzeka kuba namaphutha ngaphandle kwendawo yokuvikela.