1. Hom thiab kev ua haujlwm ntawm lub tshuab hluav taws xob
Lub tshuab hluav taws xob yog ib qho khoom siv uas tsim hluav taws xob thaum raug rau cov tshuab hluav taws xob. Hauv cov txheej txheem hloov dua siab tshiab no, lub zog siv hluav taws xob los ntawm ntau hom kev siv hluav taws xob, xws li cua zog, dej zog, hluav taws xob kub, hnub ci zog thiab lwm yam. Raws li ntau hom hluav taws xob, cov tshuab hluav taws xob feem ntau muab faib ua DC generators thiab AC generators.
1. Cov yam ntxwv ua haujlwm ntawm DC lub tshuab hluav taws xob
DC generator muaj cov yam ntxwv ntawm kev siv yooj yim thiab txhim khu kev qha. Nws tuaj yeem muab hluav taws xob ncaj qha rau txhua yam khoom siv hluav taws xob uas xav tau DC fais fab mov. Txawm li cas los xij, muaj commutator hauv DC lub tshuab hluav taws xob, uas yooj yim los tsim hluav taws xob hluav taws xob thiab kev tsim hluav taws xob tsawg. DC generator feem ntau yuav siv tau raws li DC fais fab mov rau DC lub cev muaj zog, electrolysis, electroplating, them thiab excitation ntawm alternator.
2. Cov yam ntxwv ua haujlwm ntawm alternator
AC generator yog hais txog lub tshuab hluav taws xob uas tsim AC nyob rau hauv qhov kev txiav txim ntawm sab nraud mechanical quab yuam. Hom tshuab hluav taws xob no tuaj yeem muab faib ua synchronous AC zog tsim
Synchronous generator yog feem ntau ntawm AC generators. Lub tshuab hluav taws xob zoo li no tau zoo siab los ntawm DC tam sim no, uas tuaj yeem muab ob lub zog ua haujlwm thiab lub zog rov ua haujlwm. Nws tuaj yeem siv los muab lub zog rau ntau yam khoom siv thauj khoom uas xav tau AC fais fab mov. Tsis tas li ntawd, raws li qhov sib txawv prime movers siv, synchronous generators tuaj yeem muab faib ua chav turbine generators, hydro generators, diesel generators thiab cua turbines.
Alternators yog dav siv, piv txwv li, generators yog siv rau lub hwj chim mov nyob rau hauv ntau lub hwj chim chaw nres tsheb, tuam txhab, khw, tsev neeg standby fais fab mov, tsheb, thiab lwm yam.
Model thiab technical parameters ntawm generator
Txhawm rau ua kom yooj yim rau kev tswj hwm kev tsim khoom thiab siv lub tshuab hluav taws xob, lub xeev tau koom ua ke txoj kev sib sau ua ke ntawm lub tshuab hluav taws xob qauv, thiab muab lub tshuab hluav taws xob lub npe ntawm qhov pom tseeb ntawm nws lub plhaub, uas feem ntau suav nrog cov qauv tsim hluav taws xob, ntsuas hluav taws xob, ntsuas hluav taws xob, ntsuas hluav taws xob, qib rwb thaiv tsev, zaus, lub zog hluav taws xob thiab ceev.
Qauv thiab lub ntsiab lus ntawm generator
Cov qauv ntawm lub tshuab hluav taws xob feem ntau yog cov lus piav qhia ntawm cov qauv ntawm chav tsev, suav nrog hom hluav taws xob tso tawm los ntawm lub tshuab hluav taws xob, hom lub tshuab hluav taws xob, cov yam ntxwv tswj, tsim tus naj npawb thiab cov yam ntxwv ib puag ncig.
Tsis tas li ntawd, cov qauv ntawm qee lub tshuab hluav taws xob yog qhov yooj yim thiab yooj yim, uas yooj yim dua los txheeb xyuas, raws li pom hauv daim duab 6, suav nrog cov khoom naj npawb, ntsuas hluav taws xob thiab ntsuas tam sim no.
(1) Rated voltage
Rated voltage yog hais txog qhov ntsuas hluav taws xob tawm los ntawm lub tshuab hluav taws xob thaum lub sijhawm ua haujlwm ib txwm, thiab chav tsev yog kV.
(2) Rated tam sim no
Rated tam sim no hais txog qhov siab tshaj plaws ua haujlwm tam sim no ntawm lub tshuab hluav taws xob nyob rau hauv ib txwm ua haujlwm thiab tsis tu ncua, hauv Ka. Thaum lwm yam kev ntsuas ntawm lub tshuab hluav taws xob raug ntsuas, lub tshuab hluav taws xob ua haujlwm ntawm qhov tam sim no, thiab qhov kub ntawm nws cov stator winding yuav tsis tshaj qhov kev tso cai.
(3) Kev sib hloov ceev
Qhov ceev ntawm lub tshuab hluav taws xob yog hais txog qhov siab tshaj plaws kev sib hloov ceev ntawm lub ntsiab ncej ntawm lub tshuab hluav taws xob hauv 1min. Qhov parameter no yog ib qho tseem ceeb ntawm kev txiav txim siab kev ua haujlwm ntawm lub tshuab hluav taws xob.
(4) Ntau zaus
Zaus yog hais txog qhov sib txuam ntawm lub sijhawm ntawm AC sine yoj hauv lub tshuab hluav taws xob, thiab nws chav tsev yog Hertz (Hz). Piv txwv li, yog tias qhov zaus ntawm lub tshuab hluav taws xob yog 50Hz, nws qhia tau hais tias cov kev taw qhia ntawm nws cov kev hloov tam sim no thiab lwm yam tsis hloov 1s hloov 50 zaug.
(5) Lub zog muaj zog
Lub tshuab hluav taws xob tsim hluav taws xob los ntawm kev hloov hluav taws xob electromagnetic, thiab nws cov zis hluav taws xob tuaj yeem muab faib ua ob hom: reactive zog thiab lub zog ua haujlwm. Reactive zog yog siv los tsim cov hlau nplaum thiab hloov hluav taws xob thiab hlau nplaum; Lub zog nquag yog muab rau cov neeg siv. Nyob rau hauv tag nrho cov hwj huam tso zis ntawm lub generator, qhov feem ntawm lub active zog yog lub hwj chim yam.
(6) Kev sib txuas ntawm stator
Kev sib txuas ntawm stator ntawm lub tshuab hluav taws xob tuaj yeem muab faib ua ob hom, uas yog daim duab peb sab (△ zoo li tus) kev sib txuas thiab lub hnub qub (Y-shaped) kev sib txuas, raws li pom hauv daim duab 9. Hauv lub tshuab hluav taws xob, peb lub windings ntawm lub tshuab hluav taws xob stator feem ntau txuas nrog lub hnub qub.
(7) Rwb thaiv tsev chav kawm
Cov qib rwb thaiv tsev ntawm lub tshuab hluav taws xob feem ntau yog hais txog qib siab kub tsis kam ntawm nws cov khoom siv rwb thaiv tsev. Hauv lub tshuab hluav taws xob, cov khoom siv insulating yog qhov txuas tsis muaj zog. Cov khoom siv yooj yim kom nrawm nrawm thiab txawm tias muaj kev puas tsuaj ntawm qhov kub thiab txias, yog li cov qib kub ntawm cov ntaub ntawv insulating sib txawv kuj txawv. Qhov kev ntsuas no feem ntau yog sawv cev los ntawm cov ntawv, qhov uas y qhia tias qhov kub-tiv taus yog 90 ℃, ib qho qhia tias qhov kub-tiv taus yog 105 ℃, e qhia tias qhov kub-tiv taus yog 120 ℃, B qhia tias qhov kub-resistant kub yog 130 ℃, f qhia tias qhov kub-resistant kub yog 155 ℃, thiab kub-resistant yog 155 ℃. qhia tias qhov kub-resistant kub yog ntau tshaj 180 ℃.
(8) Lwm yam
Nyob rau hauv lub tshuab hluav taws xob, ntxiv rau cov kev ntsuas saum toj no, kuj tseem muaj cov yam ntxwv xws li cov theem ntawm lub tshuab hluav taws xob, tag nrho qhov hnyav ntawm chav tsev thiab hnub tsim khoom. Cov kev txwv no yog qhov nkag siab thiab nkag siab yooj yim thaum nyeem ntawv, thiab feem ntau yog rau cov neeg siv xa mus rau thaum siv lossis yuav khoom.
3 、 Cov cim qhia txog lub tshuab hluav taws xob hauv kab
Lub tshuab hluav taws xob yog ib qho tseem ceeb hauv kev tswj xyuas hluav taws xob xws li hluav taws xob tsav thiab tshuab cuab yeej. Thaum kos daim duab kos duab sib thooj rau txhua qhov kev tswj xyuas Circuit Court, lub tshuab hluav taws xob tsis cuam tshuam los ntawm nws cov duab tiag tiag, tab sis cim los ntawm cov duab kos lossis kos duab, cov ntawv thiab lwm cov cim uas sawv cev rau nws txoj haujlwm.
Post lub sij hawm: Nov-15-2021
