Kusiyana kwa gawo pakati pa mphamvu ziwiri za electromotive

1. Kodi pali kusiyana kotani pakati pa kusintha kwa kuchuluka kwa magetsi panthawi ya oscillation ya system ndi short circuit?

1) Mu njira ya oscillation, kuchuluka kwa magetsi kumatsimikiziridwa ndi kusiyana kwa gawo pakati pa electromotive.

mphamvu ya jenereta mu ntchito kufanana ndi bwino, pamene kuchuluka kwa magetsi mu dera lalifupi ndi mwadzidzidzi.

2) Munthawi ya oscillation, ngodya pakati pa ma voltages nthawi iliyonse pa gridi yamagetsi imasintha ndi kusiyana kwa

gawo ngodya pakati pa dongosolo electromotive mphamvu, pamene ngodya pakati panopa ndi voteji kwenikweni osasintha

pa nthawi yochepa.

3) Mu njira ya oscillation, dongosolo ndi symmetrical, kotero pali zigawo zabwino zotsatizana mu magetsi.

kuchuluka, ndi kutsatizana kolakwika kapena zigawo zotsatizana ziro zidzawonekera mu kuchuluka kwa magetsi panthawiyi.

dera lalifupi.

2. Kodi mfundo ya oscillation kutsekereza chipangizo chimagwiritsidwa ntchito patali chitetezo chipangizo panopa?

Pali mitundu yanji?

Zimapangidwa molingana ndi liwiro la kusintha kwapano panthawi ya oscillation ya dongosolo ndi cholakwika ndi kusiyana kwa aliyense

chigawo chotsatira.Zomwe zimagwiritsidwa ntchito nthawi zambiri ndi zida zotsekereza oscillation zopangidwa ndi zigawo zoyipa zamatsatidwe

kapena kuwonjezereka kwa magawo a magawo.

3. Kodi kugawidwa kwa zero kumagwirizana bwanji ndi pamene dera lalifupi limachitika mu dongosolo losalowerera ndale?

Kugawidwa kwa zero sequence panopa kumangogwirizana ndi zero sequence reactance ya dongosolo.Kukula kwa zero

zimatengera mphamvu ya grounding thiransifoma mu dongosolo, chiwerengero ndi udindo wa ndale mfundo

kukhazikitsa.Pamene chiwerengero cha thiransifoma chosalowerera ndale chikuwonjezeka kapena kuchepetsedwa, kutsatizana kwa ziro

reactance network ya dongosolo idzasintha, motero kusintha kugawidwa kwa zero sequence current.

4. Kodi zigawo za HF Channel ndi chiyani?

Amapangidwa ndi ma transceiver apamwamba kwambiri, chingwe chokwera kwambiri, msampha wothamanga kwambiri, fyuluta yophatikizika, kuphatikiza

capacitor, chingwe chotumizira ndi dziko lapansi.

5. Kodi mfundo yogwira ntchito yoteteza ma frequency apakati ndi iti?

Yerekezerani mwachindunji gawo lomwe lilipo mbali zonse ziwiri za mzere wotetezedwa.Ngati malangizo abwino a panopa mbali iliyonse

imanenedwa kuti ikuyenda kuchokera ku basi kupita pamzere, kusiyana kwa gawo lapano mbali zonse ndi madigiri a 180 pansi pabwino.

ndi kunja yochepa dera zolakwa.Mu nkhani ya mkati yochepa dera cholakwika, ngati kusiyana gawo pakati electromotive

mphamvu ma vectors pa malekezero onse awiri mwadzidzidzi zimachitika, kusiyana kwa panopa pa mapeto onse ndi ziro.Choncho, gawo

Kugwirizana kwa ma frequency amphamvu amatumizidwa mbali ina pogwiritsa ntchito ma siginecha apamwamba kwambiri.The

zida zodzitchinjiriza zomwe zimayikidwa mbali zonse za mzere zimagwira ntchito molingana ndi ma siginecha omwe amalandila ma frequency apamwamba omwe akuyimira

gawo lapano la mbali zonse ziwiri pamene mbali ya gawo ndi ziro, kotero kuti ophwanya dera mbali zonse amayenda mofanana.

nthawi, Kuti akwaniritse cholinga chochotsa cholakwika.

6. Kodi chitetezo cha gasi ndi chiyani?

Pamene thiransifoma ikulephera, chifukwa cha kutentha kapena kuyaka kwa arc panthawi yochepa, mafuta a transformer amakula,

Kuthamanga kumapangidwa, ndipo gasi amapangidwa kapena kuwola, zomwe zimapangitsa kuti mafuta azithamangira kumalo osungira, mlingo wa mafuta.

madontho, ndi kulumikizidwa kwa gasi kulumikizidwa, komwe kumagwira ntchito yodutsa dera.Chitetezo ichi chimatchedwa chitetezo cha gasi.

7. Kodi kuchuluka kwa chitetezo cha gasi ndi chiyani?

1) Vuto lalifupi la polyphase mu thiransifoma

2) Tembenukirani kuti mutembenuzire dera lalifupi, tembenuzani kuti mutembenuzire dera lalifupi ndi chitsulo chachitsulo kapena dera lalifupi lakunja

3) .Kulephera kwakukulu

4) Mafuta amatsika kapena kutayikira

5) Kulumikizana koyipa kwapampopi kapena kuwotcherera kwa waya

8. Kodi pali kusiyana kotani pakati pa thiransifoma kusiyana kwa chitetezo ndi chitetezo cha gasi?

The thiransifoma kusiyana chitetezo lakonzedwa molingana ndi mfundo ya kufalitsidwa njira panopa, pamene

chitetezo cha gasi chimayikidwa molingana ndi mawonekedwe a mafuta ndi gasi otuluka chifukwa cha zolakwika zamkati za thiransifoma.

Mfundo zawo ndi zosiyana, ndipo kukula kwa chitetezo kumasiyananso.Chitetezo chosiyana ndicho chitetezo chachikulu

ya thiransifoma ndi kachitidwe kake, ndipo mzere wotuluka ndiwonso kuchuluka kwa chitetezo chosiyana.Chitetezo cha gasi ndicho chachikulu

chitetezo pakakhala vuto lamkati la thiransifoma.

9. Kodi kutseka ntchito ndi chiyani?

1) Ngati chingwe chalephereka kwakanthawi, magetsi adzabwezedwanso mwachangu kuti apititse patsogolo kudalirika kwamagetsi.

2) Kwa mizere yotumizira ma voltage yayikulu yokhala ndi magetsi apawiri, kukhazikika kwa magwiridwe antchito a dongosololi kumatha

kukhala bwino, motero kupititsa patsogolo kufalikira kwa chingwe.

3) Ikhoza kukonza kuponda kwabodza komwe kumachitika chifukwa cha kusayenda bwino kwamagetsi kapena kusayenda bwino.

10. Kodi zida zotsekera ziyenera kukwaniritsa zotani?

1) Kuchitapo kanthu mwachangu komanso kusankha kodziwikiratu

2) Zokumana nazo zingapo siziloledwa

3) Kukhazikitsanso zokha mukatha kuchitapo kanthu

4) .Kudumpha pamanja kapena kutseka pamanja sikungatsekenso ngati pali vuto

11. Kodi kutseka kophatikizana kumagwira ntchito bwanji?

Kulakwitsa kwa gawo limodzi, kutseka kwa gawo limodzi, kutsika kwa magawo atatu mutatha kukonzanso cholakwika chokhazikika;Kulakwitsa kwa gawo mpaka gawo

kuyenda magawo atatu, ndipo magawo atatu amalumikizana.

12. Kodi kutseka kwa magawo atatu kumagwira ntchito bwanji?

Mtundu uliwonse wa zolakwika umayenda magawo atatu, kutseka kwa magawo atatu, ndi kulakwitsa kosatha kumayenda magawo atatu.

 
13. Kodi kutseka kwa gawo limodzi kumagwira ntchito bwanji?

Kulakwitsa kwa gawo limodzi, kusakhazikika kwa gawo limodzi;Kulakwitsa kwa gawo mpaka gawo, kusachitika mwangozi pambuyo pakuyenda kwa magawo atatu.

 
14. Ndi ntchito yotani yoyendera yomwe iyenera kuchitidwa pa thiransifoma yamagetsi yomwe yangoyamba kumene kugwira ntchito kapena kukonzanso

pamene chikugwirizana ndi voteji dongosolo?

Yezerani gawo mpaka voteji ya gawo, voteji yotsatizana ya zero, ma voliyumu a mafunde achiwiri aliwonse, fufuzani motsatizana

ndi kutsimikiza kwa gawo

15. Ndi mabwalo otani omwe chipangizo chotetezera chiyenera kupirira mphamvu yamagetsi yamagetsi ya 1500V?

110V kapena 220V DC kuzungulira pansi.

16. Ndi mabwalo otani omwe chipangizo choteteza chiyenera kupirira mphamvu yamagetsi yamagetsi ya 2000V?

1) .Yoyambira mpaka pansi ya AC voteji thiransifoma ya chipangizocho;

2) .Yoyambira mpaka pansi ya AC thiransifoma yamakono ya chipangizocho;

3) Mzere wakumbuyo kupita kudera lapansi la chipangizo (kapena chophimba);

17. Ndi mabwalo otani omwe chipangizo chotetezera chiyenera kupirira mphamvu yoyesera pafupipafupi ya 1000V?

Gulu lililonse lolumikizana ndi dera lomwe likugwira ntchito mu 110V kapena 220V DC;Pakati pa gulu lililonse la kukhudzana, ndi

pakati pa malekezero amphamvu ndi osasunthika a kulumikizana.

18. Ndi mabwalo otani omwe chipangizo chotetezera chiyenera kupirira magetsi oyesa pafupipafupi a 500V?

1) DC logic circuit to ground circuit;

2) DC logic circuit to high-voltage circuit;

3) 18 ~ 24V dera pansi ndi voteji oveteredwa;

19. Fotokozani mwachidule mawonekedwe a electromagnetic intermediate relay?

Amapangidwa ndi ma electromagnet, koyilo, armature, kukhudzana, masika, ndi zina.

20. Fotokozani mwachidule mawonekedwe a DX sign relay?

Zimapangidwa ndi ma electromagnet, coil, armature, dynamic and static contact, sign board, etc.

21. Kodi ntchito zoyambira za zida zotetezera zolumikizirana ndi ziti?

Mphamvu yamagetsi ikalephera, zida zina zamagetsi zamagetsi zimagwiritsidwa ntchito kuchotsa mwachangu gawo lolakwika

dongosolo la mphamvu.Pamene zinthu zachilendo zimachitika, zizindikiro zimatumizidwa mu nthawi kuti zichepetse zolakwika, kuchepetsa

kutayika kolakwika ndikuwonetsetsa kuti dongosololi likuyenda bwino.

22. Kodi chitetezo patali ndi chiyani?

Ndi chipangizo chotetezera chomwe chimasonyeza mtunda wa magetsi kuchokera ku kukhazikitsa kwa chitetezo kupita kumalo olakwika

ndikusankha nthawi yochita zinthu molingana ndi mtunda.

23. Kodi chitetezo cha ma frequency apamwamba ndi chiyani?

Mzere wopatsira gawo limodzi umagwiritsidwa ntchito ngati njira yothamanga kwambiri yotumizira ma frequency apamwamba, ndi awiri.

theka la chitetezo cha kuchuluka kwa mphamvu zamagetsi (monga gawo lapano, mayendedwe amagetsi) kapena zina

kuchuluka komwe kumawonetsedwa kumapeto kwa mzere kumalumikizidwa ngati chitetezo chachikulu cha mzere popanda kuwonetsa

cholakwika chakunja cha mzere.

24. Kodi ubwino ndi kuipa kwa chitetezo cha patali ndi chiyani?

Ubwino ndi kukhudzika kwakukulu, komwe kungatsimikizire kuti mzere wolakwika ukhoza kusankha kuchotsa cholakwikacho pang'ono

nthawi yayifupi, ndipo sichimakhudzidwa ndi mawonekedwe a kachitidwe kachitidwe ndi mawonekedwe olakwika.Kuipa kwake ndikuti pamene a

chitetezo chimataya mphamvu ya AC mwadzidzidzi, izi zipangitsa kuti chitetezo zisagwire ntchito.Chifukwa chitetezo champhamvu

imagwira ntchito ngati mtengo wa impedance woyezedwa ndi wofanana kapena wocheperapo kuposa mtengo wa impedance.Ngati voteji mwadzidzidzi

kutha, chitetezo chidzachita molakwika.Choncho, njira zofananira ziyenera kuchitidwa.

25. Kodi chitetezo cholowera kumtunda kwafupipafupi ndi chiyani?

Mfundo yofunikira yachitetezo chamayendedwe othamanga kwambiri imatengera kufananiza mayendedwe amagetsi

mbali zonse ziwiri za mzere wotetezedwa.Pamene mphamvu yochepa yozungulira mbali zonse ziwiri imayenda kuchokera ku basi kupita ku mzere, chitetezo

adzachita ulendo.Popeza njira yothamanga kwambiri imakhalabe nthawi zonse, ndipo vuto lakunja likachitika, mbali

yokhala ndi mphamvu yolakwika imatumiza ma sign otsekereza pafupipafupi kuti aletse chitetezo kumbali zonse ziwiri, amatchedwa

high-frequency kutsekereza chitetezo cholowera.

26. Kodi chitetezo chakutali kwambiri ndi chiyani?

Kutetezedwa kwafupipafupi ndi chitetezo kuti muzindikire kuchitapo kanthu mwachangu kwa mzere wonse, koma sungagwiritsidwe ntchito ngati

chitetezo chosunga zobwezeretsera mabasi ndi mizere yoyandikana nayo.Ngakhale kuteteza mtunda kumatha kukhala ndi gawo loteteza zosunga zobwezeretsera mabasi

ndi mizere yoyandikana nayo, imatha kuchotsedwa mwachangu pamene zolakwika zimachitika mkati mwa 80% ya mizere.Ma frequency apamwamba

kutsekereza chitetezo chakutali kumaphatikiza chitetezo chambiri pafupipafupi ndi chitetezo cha impedance.Pakakhala vuto lamkati,

mzere wonsewo ukhoza kudulidwa mwachangu, ndipo ntchito yoteteza zosunga zobwezeretsera imatha kuseweredwa ngati pali vuto la basi ndi moyandikana.

27. Ndi mbale zotani zotetezera zomwe ziyenera kuchotsedwa panthawi yoyang'anitsitsa chitetezo cha relay

zipangizo mu fakitale yathu?

(1) Kulephera kuyambitsa kusindikiza mbale;

(2) Low impedance chitetezo cha jenereta thiransifoma unit;

(3) Zingwe zotsatizana zachitetezo chamakono pazingwe zamphamvu kwambiri za thiransifoma yayikulu;

28. Pamene PT ikusweka, ndi zipangizo ziti zotetezera zomwe ziyenera kutuluka?

(1) chipangizo cha AVR;

(2) Standby mphamvu basi kusintha chipangizo;

(3) Kutayika kwa chitetezo chosangalatsa;

(4) Chitetezo cha Stator interturn;

(5) Chitetezo chochepa cha impedance;

(6) Low voteji lockout overcurrent;

(7) Mphamvu yochepa ya basi;

(8) Chitetezo patali;

29. Ndi ntchito ziti zachitetezo za SWTA zomwe zingakhumudwitse switch ya 41MK?

(1) OXP overexcitation chitetezo gawo lachitatu;

(2) 1.2 nthawi V / HZ kuchedwa kwa masekondi 6;

(3) 1.1 nthawi za V / HZ kuchedwa kwa masekondi 55;

(4) ICL instantaneous current limiter imagwira ntchito m'magawo atatu;

30. Kodi ntchito ya inrush panopa kutsekereza chinthu cha chitetezo kusiyana kwa thiransifoma waukulu?

Kuphatikiza pa ntchito yoletsa maloperation ya thiransifoma pansi pa inrush pano, imathanso kuteteza maloperation

chifukwa cha kuchulukitsitsa kwa thiransifoma pano ngati zolakwika kunja kwa malo otetezedwa.