Umahluko we-engile yesigaba phakathi kwamandla amabini e-electromotive

1. Ziziphi iiyantlukwano eziphambili phakathi kweenguqu zamanani ombane ngexesha le-oscillation yesistim kunye nesekethe emfutshane?

1) Kwinkqubo ye-oscillation, ubungakanani bombane bugqitywe ngumahluko we-angle yesigaba phakathi kwe-electromotive.

imikhosi yeejeneretha ekusebenzeni ngokuhambelanayo ilungelelene, ngelixa ubuninzi bombane kwisiphaluka esifutshane bukhawuleza.

2) Kwinkqubo ye-oscillation, i-engile phakathi kombane nakweyiphi na indawo kwigridi yamandla iyatshintsha ngomahluko

I-angle yesigaba phakathi kwamandla e-electromotive system, ngelixa i-engile phakathi kwangoku kunye ne-voltage ayitshintshanga

ngexesha lesiphaluka esifutshane.

3) Kwinkqubo ye-oscillation, inkqubo i-symmetrical, ngoko kukho kuphela amacandelo alandelelanayo afanelekileyo kumbane.

Amanani, kunye nolandelelwano olubi okanye izinto ezilandelelanayo eziziro ngokuqinisekileyo ziya kubonakala kubungakanani bombane ngexesha

intambo emfutshane.

2. Yintoni umgaqo wesixhobo sokuthintela i-oscillation esetyenziswa ngokubanzi kwisixhobo sokukhusela umgama okwangoku?

Zeziphi iindidi ezikhoyo?

Yenziwe ngokwesantya sotshintsho lwangoku ngexesha le-oscillation yenkqubo kunye nesiphoso kunye nokwahlukana kwayo nganye

icandelo lolandelelwano.Ngokuqhelekileyo zisetyenziswa zizixhobo zokuthintela i-oscillation ezenziwe ngamacandelo alandelelanayo angalunganga

okanye ukunyuswa kolandelelwano lwamaqhezu.

3. Yintoni ukuhanjiswa kwe-zero ngokulandelelana kwangoku enxulumene xa isekethe emfutshane isenzeka kwinkqubo engathathi hlangothi ngokuthe ngqo?

Ukusasazwa kolandelelwano lwangoku lwe-zero lunxulumene kuphela ne-reactance yolandelelwano lwe-zero yenkqubo.Ubungakanani bero

ukusabela kuxhomekeke kumthamo we-grounding transformer kwinkqubo, inani kunye nesikhundla sendawo engathathi hlangothi

ukubeka phantsi komhlaba.Xa inani le-transformer neutral point grounding linyuswa okanye liyancipha, ukulandelelana kwe-zero

inethiwekhi ye-reactance yenkqubo iya kutshintsha, ngaloo ndlela itshintsha unikezelo lwe-zero yolandelelwano lwangoku.

4. Ngawaphi amacandelo ejelo le-HF?

Yenziwe nge-transceiver ephezulu yamaza, intambo ejikelezayo ephezulu, i-wave wave trap, isihluzi esidityanisiweyo, ukudibanisa.

capacitor, umgca wothumelo kunye nomhlaba.

5. Uthini umgaqo wokusebenza womahluko wesigaba sokukhuselwa kwesantya esiphezulu?

Thelekisa ngokuthe ngqo isigaba sangoku kumacala omabini omgca okhuselweyo.Ukuba ulwalathiso olulungileyo lwangoku kwicala ngalinye

kucaciswa ukuhamba ukusuka ebhasini ukuya kumgca, umahluko wesigaba sangoku kumacala omabini yi-180 degrees phantsi kwesiqhelo.

kunye neziphoso zesiphaluka ezimfutshane zangaphandle.Kwimeko yempazamo yangaphakathi yesiphaluka esifutshane, ukuba umahluko wesigaba phakathi kwe-electromotive

i-vectors yamandla kuzo zombini iziphelo zenzeke ngokukhawuleza, umehluko wesigaba sangoku kuzo zombini iziphelo ngu-zero.Ngoko ke, isigaba

Unxulumano lwezandi zangoku zamandla zigqithiselwa kwelinye icala ngokusebenzisa iisignali zefrikhwensi ephezulu.I

izixhobo zokukhusela ezifakwe kumacala omabini omgca zisebenza ngokuhambelana neempawu ezifunyenweyo eziphezulu ezimele

Inqanaba langoku lamacala omabini xa i-engile yesigaba inguziro, ukuze abaphuli beesekethe kumacala omabini bahambe ngokufanayo.

ixesha, Ukuze kuzuzwe injongo ukususwa impazamo ngokukhawuleza.

6. Yintoni ukhuseleko lwegesi?

Xa i-transformer isilela, ngenxa yokufudumeza okanye ukutshisa i-arc kwindawo emfutshane yesekethe, umthamo weoyile ye-transformer uyanda,

Uxinzelelo luyaveliswa, kwaye irhasi iye iveliswe okanye ibole, nto leyo ekhokelela ekuhambeni kwe-oyile ngokukhawuleza ukuya kwisilondolozi, inqanaba leoli.

amathontsi, kunye nabafowunelwa be-gas relay baxhunyiwe, esebenza kwi-breaker circuit breaker.Olu khuselo lubizwa ngokuba lukhuseleko lwegesi.

7. Yintoni umda wokukhusela igesi?

1) I-polyphase impazamo yesiphaluka esifutshane kwi-transformer

2) Jika ujike isiphaluka esifutshane, ujike ujike isiphaluka esifutshane kunye nesiseko sentsimbi okanye isiphaluka esifutshane sangaphandle

3) .Ukusilela okungundoqo

4) Inqanaba le-oyile lehla okanye ukuvuza

I-5) Uqhagamshelwano olubi lokutshintsha impompo okanye i-wire welding engafanelekanga

8. Uthini umahluko phakathi kokukhuselwa kokwahlukana kwe-transformer kunye nokukhuselwa kwegesi?

Ukukhuselwa kokwahlukana kwe-transformer yenzelwe ngokomgaqo wokujikeleza indlela yangoku, ngelixa i-

ukukhuselwa kwegesi kumiselwe ngokweempawu zeoli kunye nokuhamba kwegesi okubangelwa yimpazamo yangaphakathi ye-transformer.

Imigaqo yabo yahlukile, kwaye ububanzi bokhuseleko bukwahlukile.Ukukhuselwa okungafaniyo lolona khuselo luphambili

ye-transformer kunye nenkqubo yayo, kunye nomgca ophumayo kwakhona ngumda wokukhusela okwahlukileyo.Ukukhuselwa kwegesi yeyona nto iphambili

ukukhuselwa kwimeko yempazamo yangaphakathi ye-transformer.

9. Yintoni umsebenzi wokuvala?

1) Kwimeko yokungaphumeleli okwethutyana komgca, unikezelo lwamandla luya kubuyiselwa ngokukhawuleza ukuphucula ukuthembeka kokunikezelwa kombane.

2) Kwimigca yokuhambisa i-voltage ephezulu kunye nonikezelo lwamandla amabini, ukuzinza kokusebenza okufanayo kwenkqubo kunokwazi.

kuphuculwe, ngaloo ndlela kuphuculwe umthamo wothumelo lwentambo.

I-3) Iyakwazi ukulungisa ukukhubeka kobuxoki okubangelwa yi-circuit breaker mechanism okanye i-relay misoperation.

10. Zeziphi iimfuneko ekufuneka izixhobo zokuvala zifezekiswe?

1) Isenzo esikhawulezayo kunye nokukhethwa kwesigaba esizenzekelayo

2) Nakuphi na ukuhlangana okuphindaphindiweyo akuvumelekanga

3) Ukusetha kwakhona ngokuzenzekelayo emva kwesenzo

4).Ukukhubeka ngesandla okanye ukuvala ngesandla akuyi kuvala kwakhona xa kukho umgca wempazamo

11. Isebenza njani inkqubo yokuvalwa ehlanganisiweyo?

Isiphoso sesigaba esinye, ukuvalwa kwesigaba esinye, ukukhubeka kwesigaba esithathu emva kokuvala impazamo esisigxina;Inqanaba ukuya kwinqanaba lempazamo

ithatha izigaba ezithathu, kwaye izigaba ezithathu ziyadibana.

12. Ukuvalwa kwakhona kwezigaba ezithathu kusebenza njani?

Naluphi na uhlobo lwesiphoso luhamba izigaba ezithathu, ukuvalwa kwesigaba sesithathu, kunye nohambo olusisigxina lwesiphoso izigaba ezithathu.

 
13. Ukuvalwa kwesigaba esinye kusebenza njani?

Isiphoso sesigaba esinye, ukuhambelana kwesigaba esinye;Isiphoso sesigaba ukuya kwisigaba, into engenzekiyo emva kohambo lwezigaba ezithathu.

 
14. Nguwuphi umsebenzi wokuhlola omele wenziwe kwi-voltage transformer esanda kufakwa ekusebenzeni okanye ukuguqulwa

xa iqhagamshelwe kumbane wenkqubo?

Ukulinganisa isigaba ukuya kwisigaba sombane, i-voltage ye-zero yokulandelelana, i-voltage ye-winding nganye yesibini, khangela ukulandelelana kwesigaba

kunye nokuzimisela kwesigaba

15. Zeziphi iisekethe ekufuneka isixhobo sokukhusela simelane nombane wovavanyo lwamaza ombane angama-1500V?

I-110V okanye i-220V DC yesekethe ukuya emhlabeni.

16. Ziziphi iisekethe ekufuneka isixhobo sokukhusela simelane nombane wovavanyo lwamaza ombane angama-2000V?

1) .Isiseko sokuqala ukuya kumhlaba we-AC voltage transformer yesixhobo;

2) .Isiseko sokuqala ukuya kumhlaba we-AC transformer yangoku yesixhobo;

3) Umgca we-backplane ukuya kwisekethe yomhlaba wesixhobo (okanye isikrini);

17. Zeziphi iisekethe ekufuneka isixhobo sokukhusela simelane nombane wovavanyo lwamaza ombane angama-1000V?

Iperi nganye yoqhagamshelwano kwisekethe yomhlaba isebenza kwi-110V okanye i-220V DC yesekethe;Phakathi kwepere nganye yabafowunelwa, kunye

phakathi kweziphelo eziguqukayo nezimileyo zabafowunelwa.

18. Ziziphi iisekethe kufuneka isixhobo sokukhusela simelane nombane wovavanyo lwamaza ombane angama-500V?

1) DC logic isekethe kwisekethe emhlabeni;

2) DC logic isekethe kwi-high-voltage circuit;

3) 18 ~ 24V isekethe ukuya emhlabeni nge-voltage elinganisiweyo;

19. Chaza ngokufutshane ubume be-electromagnetic intermediate relay?

Iqulethwe nguzibuthe we-electromagnetic, ikhoyili, i-armature, uqhagamshelwano, intwasahlobo, njl.

20. Chaza ngokufutshane ubume be-DX yesignali yokudluliselwa?

Yenziwe nguzibuthe we-electromagnetic, ikhoyili, i-armature, unxibelelwano oluguqukayo kunye ne-static, ibhodi yesiginali, njl.

21. Yiyiphi imisebenzi esisiseko yezixhobo zokukhusela i-relay?

Xa inkqubo yamandla isilela, ezinye izixhobo zombane ezizenzekelayo zisetyenziselwa ukususa ngokukhawuleza inxalenye yempazamo

inkqubo yamandla.Xa iimeko ezingaqhelekanga zenzeka, iimpawu zithunyelwa ngexesha lokunciphisa uluhlu lwephutha, ukunciphisa

ukulahleka kwesiphoso kunye nokuqinisekisa ukusebenza ngokukhuselekileyo kwenkqubo.

22. Yintoni ukhuseleko lomgama?

Isixhobo sokukhusela esibonisa umgama wombane ukusuka ekufakeni ukhuseleko kwindawo ephosakeleyo

kwaye imisela ixesha lesenzo ngokomgama.

23. Yintoni ukhuseleko lwe-frequency ephezulu?

Umgca wothumelo lwesigaba esinye usetyenziswa njengejelo lesantya esiphezulu ukusasaza umsinga ohamba rhoqo, kunye nezimbini.

Isiqingatha seseti zokhuseleko lwamaxesha ombane aphindaphindwayo (njengesigaba sangoku, icala lamandla) okanye enye

ubuninzi obubonakaliswe kuzo zombini iziphelo zomgca zidibaniswe njengokhuseleko oluphambili lomgca ngaphandle kokubonakalisa

impazamo yangaphandle yomgca.

24. Ziziphi iingenelo kunye nokungalunganga kokhuseleko lomgama?

I-advanteji i-sensitivity ephezulu, enokuqinisekisa ukuba umgca wephutha unokususa ngokukhethayo impazamo ngokulinganayo

ixesha elifutshane, kwaye alichatshazelwa yimo yokusebenza yesixokelelwano kunye nefom yempazamo.Ukungalungi kwayo kukuba xa i

ukukhuselwa ngequbuliso kuphulukana nombane we-AC, kuya kubangela ukuba ukhuseleko lungasebenzi.Ngenxa yokhuseleko lwe-impedance

Isebenza xa ixabiso elilinganisiweyo lothintelo lilingana okanye lingaphantsi kwexabiso elimiselweyo lothintelo.Ukuba i-voltage ngokukhawuleza

iyanyamalala, ukhuseleko luya kwenza ngokungalunganga.Ngoko ke, amanyathelo ahambelanayo kufuneka athathwe.

25. Yintoni ukhuseleko lwendlela yokutshixa i-high-frequency?

Umgaqo osisiseko wokukhusela i-high-frequency blocking directional protection isekelwe ekuthelekiseni izikhokelo zamandla kwi

macala omabini omgca okhuselweyo.Xa amandla esiphaluka esifutshane kumacala omabini aphuma ebhasini ukuya kumgca, ukukhuselwa

uya kuthatha uhambo.Ekubeni umjelo we-high-frequency channel awunayo okwangoku ngokuqhelekileyo, kwaye xa kwenzeka iphutha langaphandle, icala

kunye nesalathiso samandla esingalunganga sithumela imiqondiso yokuthintela isantya esiphezulu ukuvala ukhuseleko macala omabini, ibizwa ngokuba

i-high-frequency blocking protection directional protection.

26. Yintoni ukhuseleko lomgama wokuthintela umgama ophezulu?

Ukhuseleko lwamaza ombane aphezulu lukhuselo lokuqonda isenzo esikhawulezileyo somgca wonke, kodwa ayinakusetyenziswa njenge

ukukhusela ibhasi kunye nemigca emeleneyo.Nangona ukukhuselwa komgama kunokudlala indima yokukhusela ibhasi

kunye nemigca ekufutshane, inokususwa ngokukhawuleza xa iziphene zenzeka ngaphakathi malunga ne-80% yemigca.Ukuphindaphinda okuphezulu

ukuthintela ukukhuselwa komgama udibanisa ukukhuselwa kwamaxesha amaninzi kunye nokukhuselwa kwe-impedance.Kwimeko yempazamo yangaphakathi,

umgca wonke unokunqunyulwa ngokukhawuleza, kwaye umsebenzi wokukhusela ogciniweyo unokudlalwa kwimeko yebhasi kunye nempazamo yomgca okufutshane.

27. Ziziphi iiplati zokukhusela ezikhuselekileyo ezimele zisuswe ngexesha lokuhlolwa rhoqo kokukhusela i-relay

izixhobo kumzi-mveliso wethu?

(1) Ukusilela ukuqalisa ipleyiti yokucofa;

(2) Ukukhuselwa okuphantsi kwe-impedance yeyunithi ye-generator transformer;

(3) Ulandelelwano lweZero umtya wokhuseleko lwangoku kwicala lamandla ombane aphezulu we-transformer ephambili;

28. Xa i-PT iphuka, zeziphi izixhobo zokukhusela ezihambelanayo kufuneka ziphume?

(1) isixhobo se-AVR;

(2) Isixhobo esizenzekelayo sokutshintsha amandla okulinda;

(3) Ukulahleka kokhuseleko lokuvuselela;

(4) Ukhuseleko lwe-stator interturn;

(5) Ukhuseleko oluphantsi lwe-impedance;

(6) Ukuvalwa kwamandla ombane aphantsi;

(7) Umbane ophantsi webhasi;

(8) Ukhuseleko lomgama;

29. Zeziphi izenzo zokhuseleko ze-SWTA eziya kukhubekisa iswitshi ye-41MK?

(1) Ukukhuselwa kwe-OXP ye-overexcitation yesenzo secandelo lesithathu;

(2) 1.2 amaxesha V/HZ ukulibaziseka imizuzwana 6;

(3) 1.1 amaxesha okulibaziseka kwe-V/HZ imizuzwana ye-55;

(4) I-ICL yomda wangoku okhawulezileyo usebenza kumacandelo amathathu;

30. Yintoni umsebenzi we-inrush current blocking element ye-different protection of the main transformer?

Ukongeza kumsebenzi wokuthintela i-maloperation ye-transformer phantsi kwe-inrush yangoku, inokuthintela kwakhona i-maloperation

okubangelwa yi-saturation ye-transformer yangoku kwimeko yeempazamo ngaphandle kwendawo yokukhusela.