Momwe Mungapangire Magnereta

Oga. 23, 2022

Ngati jenereta si maginito, akhoza magnetized ndi 12V batire.Njira yeniyeni ndi: kulumikiza mawaya awiri kuchokera ku + - pole ya batri.Tsegulani mlandu wachitsulo woteteza wa jenereta wowongolera dera.Yambani jenereta.Lumikizani + - mzati ku F + F - (ya jenereta yowongolera dera, ndipo nthawi yolumikizira sichidzapitilira sekondi imodzi. Pambuyo pa magnetization, yang'anani voteji ndi pafupipafupi. Dziwani kuti jenereta silingakwezedwe maginito asanafike. ikamalizidwa, kenako imatha kuikidwa pambuyo poti yatsimikizidwa kuti ndi yabwinobwino.Chombo china ndikuyambitsa jenereta ndipo imangotchaja pakangotha ​​mphindi khumi.

 

Koma ngati jenereta zotayika chisangalalo chifukwa cha zolakwika mavuto, tiyenera kuthetsa izo molingana ndi zolakwika zosiyanasiyana.

 

Kodi chifukwa cha kutayika kwa jenereta ndi chiyani?

 

Pa ntchito yachibadwa ya jenereta, chisangalalo chimatha mwadzidzidzi chonse kapena mbali, chomwe chimatchedwa kutayika kwa chisangalalo cha jenereta.Zomwe zimayambitsa kutayika kwa jenereta za chisangalalo zimatha kufotokozedwa mwachidule ngati dera lotseguka kapena dera laling'ono lachisangalalo, kuphatikizapo kulephera kwa exciter, thiransifoma kapena thiransifoma dera, kukhudza mwangozi chosinthira chokometsa, kusintha kosayenera kwa chisangalalo choyimilira, kutayika kwa magetsi othandizira. dongosolo losangalatsa, kuzungulira kozungulira kozungulira kozungulira kapena kusangalatsa dera kapena dera lalifupi lalifupi la mafunde a rotor, kulephera kwa semiconductor excitation system, kuyatsa kapena kuyatsa mphete ya rotor slip.


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1. Kusangalatsa kwa thiransifoma ulendo wolakwika kumayambitsa kutayika kwa jenereta

 

Chifukwa cha kutchinjiriza kupanga chilema cha thiransifoma kapena kuwonongeka kwapang'onopang'ono kwa kutchinjiriza chilema pa ntchito, chodabwitsa kumaliseche kumachitika, chifukwa cha tripping wa zosangalatsa thiransifoma chitetezo kanthu ndi kukhudzika wa unit chifukwa imfa ya kukokera chitetezo kanthu.Njira ndi miyezo iyenera kutsatiridwa mosamalitsa, ndikuyesa pafupipafupi, kukhazikitsa ndi kuthetsa mavuto.Malinga ndi malamulo ndi miyezo yoyenera, kukhazikitsidwa kwa mayeso a nthawi ndi nthawi a insulation chilango kuchitidwa mosamala.

 

2. Kutaya kwachisangalalo kwa jenereta komwe kumachitika chifukwa cha kupindika kwa switch ya de excitation


Zifukwa za ulendo wa kusintha kwa de excitation zikuphatikizapo: (1) lamulo laulendo la kusintha kwa de excitation latumizidwa molakwika pa DCS.(2) Lamulo lodutsa la switch ya deexcitation limatumizidwa ngati pali vuto la kutulutsa.(3) Kulumikizana kwa batani laulendo la chosinthira cha de excitation pagawo loyang'ana lamagetsi muchipinda chowongolera chapakati kumakokedwa kuti atumize lamulo laulendo.(4) Gulu loyang'anira m'deralo la chipinda chosangalatsa limalekanitsa pamanja chosinthira cha de excitation.(5) Kutsekemera kwa chingwe chowongolera chowongolera cha de excitation switch kumatsika.(6) Thupi losinthira limayendetsa chosinthira cha de excitation.(7) Kukhazikika kwakanthawi kwadongosolo la DC kumapangitsa kuti kusintha kwa de excitation kuyende.

 

3. Kutayika kwa chisangalalo cha jenereta chifukwa cha kuyatsa kwa mphete yachisangalalo

 

Choyambitsa ngozicho chinali chakuti kupanikizika kwa maburashi a carbon burashi kunali kosagwirizana, zomwe zinachititsa kuti maburashi a carbon ayambe kugawanika, zomwe zimapangitsa kuti maburashi a carbon achulukane komanso kutentha.Kuphatikiza apo, burashi ya kaboni ndi yakuda, imayipitsa malo olumikizana ndi burashi ya kaboni ndi mphete yozembera, zomwe zimapangitsa kuti maburashi a kaboni azitha kukana komanso mphete yoterera ichuluke ndikuyaka.Kuonjezera apo, kuvala kwa maburashi a carbon abwino ndi oipa sikufanana, ndipo kuvala kwa electrode yolakwika nthawi zonse kumakhala koopsa kwambiri kuposa kwa electrode yabwino.Kuvuta kwa mphete ya slip kumawonjezeka chifukwa cha kuvala kwakukulu, ndipo mphete ya mphete yozembera imayamba chifukwa cha kulephera kulamulira nthawi.

 

4. Kutayika kwa chisangalalo cha jenereta chifukwa cha kukhazikitsa dongosolo la DC

 

Pambuyo zabwino elekitirodi grounding dongosolo DC, chingwe yaitali anagawira capacitance, ndi voteji pa malekezero onse a capacitance sangathe kusintha mwadzidzidzi, zomwe zimayambitsa capacitance panopa wa chingwe yaitali mu dera kunja tripping wa jenereta deexcitation lophimba kuti. yendani kudzera panjira yapakatikati panjira yolowera kunja, ndipo njira yolumikiziranayi imayendetsa chosinthira chotsitsa cha jenereta, zomwe zimapangitsa kuti jeneretayo ipumule poteteza chitetezo.

 

5. Kutayika kwa chisangalalo cha jenereta chifukwa cha vuto la kayendetsedwe ka kayendetsedwe kabwino

 

Kulakwitsa kwa EGC board ya jenereta excitation system regulator idayambitsa kutetezedwa kopitilira muyeso kwa rotor ya chowongolera chokokera cha jenereta, zomwe zidapangitsa kuti kutayika kwachitetezo kutayike.

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