Imashanyarazi itanga ubumenyi busa (2)

Niki

Ni iki kigomba kwitonderwa mugihe quasi-ihujwe no guhuza ibyegeranyo bya generator?
Ihuriro rya Quasi-icyarimwe ni inzira-y'intoki.Niba imikorere yoroshye cyangwa ubundi ifite ubufatanye bukomeye hamwe nuburambe bwumukoresha.Kugirango wirinde kwishyira hamwe mugihe gitandukanye, kubahiriza ibihe 3 ntibyemewe gufunga.
1. Iyo isonga yimbonerahamwe ya syncronisation isimbutse, ntishobora gufungwa, bitewe nuko hashobora kubaho kaseti ya kaseti imbere mumeza ya syncronisation, idashobora kwerekana ibibazo bibangikanye.
2. Iyo imbonerahamwe icyarimwe ihindutse byihuse, byerekana ko itandukaniro ryinshuro hagati ya generator yiteguye kugereranywa niyindi mashanyarazi atandukanye yegeranye nayo nini cyane.Bitewe nuko igihe cyo gusoza icyuma cyumuzenguruko bigoye kubimenya, icyuma cyumuzunguruko ntabwo gifunze mugihe cyo guhuza.Ntibyemewe gufunga.
3. Niba isonga yimbonerahamwe yo guhuza ihagaze aho ihurira, ntabwo byemewe gufunga switch iyo ihagaze.Ibi ni ukubera ko niba inshuro ya imwe muri generator ishyiraho impinduka zitunguranye mugihe cyo gufunga kumena, birashoboka ko uwamennye yafunga kubintu bidahuje.
4. Gusa nigute ushobora guhindura imbaraga zinyuranye zerekana sisitemu ibangikanye?
Mugihe amashanyarazi 2 yashizwe hamwe nta toni, hazabaho ikibazo cyitandukaniro ryinshuro kimwe n’itandukaniro rya voltage hagati yikusanyirizo ryombi.Kandi ku bikoresho byo gukurikirana (ammeter, metero yimbaraga, metero yingufu za metero) ya sisitemu zombi, imbaraga nyazo zinyuranye zigaragazwa, imwe nimbaraga zinyuma ziterwa numuvuduko udasanzwe (bisanzwe), naho ubundi bigaterwa numuvuduko wa voltage; .Akazi kahinduwe, guhindura kwayo niko kubahiriza:

Guhindura

1. Guhindura imbaraga zingaruka ziterwa na frequency: niba inshuro za sisitemu zombi zidahwanye, kimwe no gutandukanya ni nini, bizerekanwa ku gikoresho (ammeter, metero y'amashanyarazi), ikigezweho cya igikoresho gifite umuvuduko mwinshi kigaragaza agaciro keza, kimwe na metero yimbaraga zerekana agaciro keza.Imbaraga, kurundi ruhande, kwerekana byerekana agaciro keza, kandi nimbaraga zerekana agaciro keza.Kugeza ubu, hindura igipimo (inshuro) ya kimwe mubice, hanyuma uhindure ukurikije icyerekezo cya metero y'amashanyarazi, hanyuma uhindure ikimenyetso cya metero y'amashanyarazi kuri oya rwose.Kora ibipimo byimbaraga byibice byombi oya, kugirango igipimo cyo kuzunguruka (ubudahangarwa) bwibikoresho byombi usanga ari kimwe.Ariko, iyo ammeter ikomeje kwerekana ubungubu, iyi niyo power power phenomenon yatewe no gutandukanya voltage.
2. Guhindura imbaraga za reveri yibintu byatewe no gutandukanya voltage: mugihe metero yerekana amashanyarazi yerekana amashanyarazi abiri ari oya, kandi ammeter iracyafite icyerekezo kigezweho (nukuvuga, kimwe gihindagurika nicyerekezo cyiza), voltage Guhindura mubice bya generator birashobora guhindurwa.Iyo uhinduye ipfundo, biterwa no kwerekana ammeter ndetse nimbaraga zimbaraga.Kuraho ikimenyetso cya ammeter (ni ukuvuga, uhindure rwose oya).Nyuma yuko ammeter itagaragaza, hindura imbaraga zerekeranye no gutinda kurenza 0.5 bitewe nikimenyetso cya metero yimbaraga.Mubisanzwe, irashobora guhinduka nka 0.8, niyo leta nziza cyane.
5. Inzira yumutekano wa generator
1Nukuvuga, sisitemu ifite imbaraga mbi iza kuba toni kurubu (inshuro ziyi sisitemu ni nke kandi igipimo cyo kuzunguruka ntigihuye).Iyo voltage itari imwe, sisitemu ifite voltage nini rwose izatanga amashanyarazi yishubije kandi nayo itanga imbaraga kubikoresho bigabanutse na voltage (ammeter yiki gice yerekana icyerekezo cyiza), bingana no kongeramo sisitemu yo kugenzura icyiciro muri sisitemu yo gutanga amashanyarazi.Igice gifite voltage nkeya kirangira ari ubufindo bunini muri iki gihe, kubona imbaraga nini zidasanzwe kugirango ugumane ingufu za voltage zingana zombi (ammeter yiyi sisitemu yerekana icyerekezo gisubira inyuma).Mugihe cyo kugenzura, hindura voltage yumurongo runaka munini cyangwa ugabanye voltage yizindi sisitemu, bigatuma igikoresho kigira imbaraga zinyuranye zihari, kandi nubu imikorere yacyo igomba gukora hamwe na 20% byapimwe bihari.Imbaraga zinyuranye zerekana gukora, ingendo, ndetse no gutabaza, nyamara ntizireka.
2. Birenze urugero: Imbaraga zapimwe za generator zubu zirashidikanywaho, kandi ubushobozi bwayo burenze urugero ni buke cyane, mubisanzwe hafi 5% yingufu zashyizwe kumurongo.Igihe cyemewe cyo gutwara ni iminota 15 ~ 30, kandi kandi ntarengwa ntirenza iminota 60.Amashanyarazi azashyuha, kandi nanone insinga izagabanuka rwose, bizagabanya ubuzima bwa serivisi.Kubera iyo mpamvu, niba bidakenewe bidasanzwe mugihe hashyizweho uburyo bwo kwirwanaho burenze urugero, uburinzi burenze urugero bushobora gushyirwaho 110% byumuvuduko wagenwe.Mugihe cyose cyo kwipimisha, uzane ibyagezweho kuri 110% byumuvuduko wateganijwe, kimwe na relay irengana bizakora rwose.Urugendo, sisitemu yo gutabaza, nta gufunga.
3. Kurenza urugero: Iyo amashanyarazi akoreshwa muburyo bubangikanye, umwe mubatinya cyane nuko sisitemu yo gutanga amashanyarazi izahungabana rwose.Umuvuduko wa sisitemu yo kunyeganyega ukimara kwiyongera, biroroshye gutuma insulasiyo isenyuka kubikoresho byamashanyarazi ndetse nibikoresho byo gutanga amashanyarazi, hamwe nibikoresho bitanga amashanyarazi ndetse nibikoresho byamashanyarazi bizahagarikwa hamwe.Kubwiyi ntego, amashanyarazi akoreshwa muburyo bubangikanye afite uburyo bwo kurinda amashanyarazi arenze urugero, kandi kandi agaciro kayo ni 105% ya voltage yagenwe niyo ikora neza.Umuyoboro mugufi hejuru ya voltage relay, urugendo kimwe no kureka, ibikorwa byo gutabaza.


Igihe cyo kohereza: Ukuboza-30-2022