Cholinga ndi njira yoyesera ya AC kupirira mayeso amagetsi a transformer

The thiransifoma AC kupirira voteji mayeso ndi mayeso amene sinusoidal mphamvu pafupipafupi AC mayeso voteji kupitirira angapo angapo oveteredwa voteji ntchito pa windings wa thiransifoma anayesedwa pamodzi ndi bushing, ndipo nthawi ndi 1 min.Cholinga chake ndi kugwiritsa ntchito voteji yoyezetsa kwambiri kuposa ma voliyumu ena angapo ovotera kuti alowe m'malo mopitilira mumlengalenga ndi kupitilira muyeso wamkati kuti muwone momwe thiransifoma imagwirira ntchito.Ndi njira yodziwika bwino yodziwira mphamvu yotchinjiriza ya thiransifoma, komanso ndichinthu chofunikira choyesera kuwonetsetsa kuti ma transfoma akuyenda bwino komanso kupewa ngozi zachitetezo.Kuchititsa AC kupirira mayesero voteji akhoza kupeza chinyezi ndi anaikira chilema mu thiransifoma waukulu kutchinjiriza, monga mapiringidzo chachikulu kutchinjiriza ming'alu, mapiringidzo kumasuka ndi kusamutsidwa , The kutsogolera kutchinjiriza mtunda sikokwanira, ndi kutchinjiriza amatsatira zofooka monga dothi.

HV Hipot GDTF mndandanda chingwe pafupipafupi kutembenuka mndandanda resonance kupirira voteji mayeso chipangizo

Kuyesa kwamagetsi kwa AC ndi kuyesa kowononga pakuyesa kwa insulation.Iyenera kuyesedwa pambuyo pa mayeso ena osawononga (monga kukana kwa insulation ndi kuyesa kwa chiŵerengero cha mayamwidwe, kuyezetsa kutayikira kwa DC, kudulidwa kwa dielectric kutayika kwa dielectric ndi kuyesa kwa mafuta) ndi oyenerera..Pambuyo poyesedwa koyenerera, thiransifoma ikhoza kuyikidwa kuti igwire ntchito.Kuyesa kwamagetsi kwa AC ndi mayeso ofunikira.Chifukwa chake, malamulo oyeserera odziletsa akuwonetsa kuti thiransifoma yokhala ndi 10kV ndi pansi, m'zaka 1 ~ 5, 66kV ndi pansi, iyenera kukhala ndi AC kupirira voteji ikatha kukonzanso, ikasintha ma windings komanso ngati kuli kofunikira kuyezetsa.

Njira yoyesera

(1) Mawaya oyesa Mawaya ang'onoang'ono ndi apakatikati amagetsi pansi pa 35kV amayikidwa ndi AC kupirira mawaya oyesa magetsi.Ma windings onse ayenera kuyesedwa.Pakuyesa, mawaya otsogola a gawo lililonse lopindika ayenera kufupikitsidwa pamodzi.Ngati malo osalowerera ndale ali ndi mawaya otsogolera, mawaya otsogolera ayeneranso kukhala ofupikitsidwa ndi magawo atatu.

(2) Magetsi oyesera Muyezo woyezetsa woperekedwa umanena kuti ma transformer okhala ndi mphamvu yochepera 8000kV ndi ma voliyumu okhotakhota omwe ali pansi pa 110kV adzayesedwa ndi AC kupirira mphamvu yamagetsi molingana ndi miyezo yoyesera yamagetsi yomwe yalembedwa mu Appendix 1 ya muyezo.Malamulo oletsa kuyesa amanenera: Mtengo wa voliyumu woyezetsa wa thiransifoma womizidwa ndi mafuta wafotokozedwa mwatsatanetsatane patebulo lowongolera (mayeso anthawi zonse amalowa m'malo mwa mtengo wamagetsi omangika ndi gawo).Kwa osinthira owuma, ma windings onse akasinthidwa, tsatirani mtengo wamagetsi oyesera fakitale;pakusintha pang'ono kwa ma windings ndi mayeso okhazikika, kanikizani 0,85 kuwirikiza kuchuluka kwa voliyumu yoyesa fakitale.

(3) Kusamala Kuphatikiza pa njira zodzitetezera ku AC yanthawi zonse, mfundo zotsatirazi ziyenera kuzindikirika molingana ndi mawonekedwe a chosinthira:

1) Transformer yoyeserera iyenera kukhala ndi chipangizo chachitetezo chambiri.

2) Kuyesa kwamagetsi kwa AC kwa thiransifoma ya magawo atatu sikuyenera kuchitidwa pang'onopang'ono.Komabe, mawaya onse otsogolera magawo atatu a mafunde ogwirizana ayenera kukhala ofupikitsidwa asanayesedwe, apo ayi sizingakhudze kulondola kwa voteji yoyeserera, komanso zitha kuyika pachiwopsezo chachikulu cha thiransifoma.

3) Malamulo oyeserera oyeserera akuwonetsa kuti kwa zosintha zonse zotsekera pansi pa 66kV, pomwe malo sapezeka, ma frequency akunja omanga okhawo amatha kupirira mayeso amagetsi.

4) Kwa ma thiransifoma amagetsi omwe kutchinjiriza kwawo osalowerera ndale kumakhala kocheperako kuposa magawo ena kapena kutsekereza kosiyidwa, zoyeserera zakunja za AC zakunja sizingagwiritsidwe ntchito, koma kuyesa kupirira kupirira kuwirikiza 1.3 voteji iyenera kugwiritsidwa ntchito.

5) Iyenera kuyesedwa mutadzazidwa ndi mafuta oyenerera ndikupumula kwa nthawi inayake.

6) Kwa osinthira apakati ndi ang'onoang'ono okhala ndi voteji ya 35kV, voteji yoyezetsa imaloledwa kuyesedwa kumbali yotsika yamagetsi yamagetsi oyesera.Kwa osinthira mphamvu okhala ndi mphamvu yayikulu, kuti muyeso ukhale wolondola komanso wodalirika, chosinthira magetsi kapena electrostatic voltmeter iyenera kugwiritsidwa ntchito.Mpweya woyesera umayesedwa mwachindunji kumbali yamagetsi apamwamba.

7) Ngati kukhetsa kapena kusweka kumachitika panthawi ya mayeso, tsitsani voliyumu nthawi yomweyo ndikudula magetsi kuti mupewe kulephera kwakukulu.