1. Hom thiab cov yam ntxwv ua haujlwm ntawm lub tshuab hluav taws xob
Lub tshuab hluav taws xob yog ib lub cuab yeej uas tsim hluav taws xob thaum raug lub zog tshuab. Hauv cov txheej txheem hloov pauv no, lub zog tshuab los ntawm ntau hom zog, xws li lub zog cua, lub zog dej, lub zog cua sov, lub zog hnub ci 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 generator
Lub tshuab hluav taws xob DC muaj cov yam ntxwv ntawm kev siv yooj yim thiab kev ua haujlwm txhim khu kev qha. Nws tuaj yeem muab hluav taws xob ncaj qha rau txhua yam khoom siv hluav taws xob uas xav tau lub zog DC. Txawm li cas los xij, muaj lub commutator hauv lub tshuab hluav taws xob DC, uas yooj yim tsim hluav taws xob thiab tsis tshua muaj txiaj ntsig zoo rau kev tsim hluav taws xob. Lub tshuab hluav taws xob DC feem ntau siv tau ua lub zog DC rau lub cev muaj zog DC, electrolysis, electroplating, them thiab excitation ntawm alternator.
2. Cov yam ntxwv ua haujlwm ntawm lub alternator
AC generator yog lub generator uas tsim AC nyob rau hauv qhov kev ua ntawm lub zog sab nraud. Hom generator no tuaj yeem muab faib ua synchronous AC fais fab tiam.
Cov tshuab hluav taws xob synchronous yog cov uas siv ntau tshaj plaws ntawm cov tshuab hluav taws xob AC. Hom tshuab hluav taws xob no raug txhawb los ntawm DC tam sim no, uas tuaj yeem muab ob qho tib si lub zog nquag thiab lub zog reactive. Nws tuaj yeem siv los muab hluav taws xob rau ntau yam khoom siv thauj khoom uas xav tau AC fais fab mov. Tsis tas li ntawd, raws li ntau hom prime movers siv, cov tshuab hluav taws xob synchronous tuaj yeem muab faib ua cov tshuab hluav taws xob turbine, cov tshuab hluav taws xob hydro, cov tshuab hluav taws xob diesel thiab cov tshuab cua.
Cov alternators siv dav, piv txwv li, cov generators siv rau kev muab hluav taws xob hauv ntau lub chaw fais fab, cov lag luam, cov khw muag khoom, cov khoom siv hluav taws xob hauv tsev, tsheb, thiab lwm yam.
Qauv thiab cov kev tsis ntawm generator
Yuav kom yooj yim rau kev tswj hwm kev tsim khoom thiab kev siv lub tshuab hluav taws xob, lub xeev tau koom ua ke txoj kev sib sau ua ke ntawm tus qauv tshuab hluav taws xob, thiab muab lub npe tshuab hluav taws xob lo rau ntawm qhov chaw pom tseeb ntawm nws lub plhaub, uas feem ntau suav nrog tus qauv tshuab hluav taws xob, qhov ntsuas hluav taws xob, qhov ntsuas hluav taws xob, qib rwb thaiv tsev, zaus, qhov ntsuas hluav taws xob thiab qhov ceev.
Qauv thiab lub ntsiab lus ntawm lub generator
Tus qauv ntawm lub tshuab hluav taws xob feem ntau yog cov lus piav qhia txog tus qauv ntawm lub tshuab, suav nrog hom hluav taws xob tso tawm los ntawm lub tshuab hluav taws xob, hom tshuab hluav taws xob, cov yam ntxwv tswj hwm, tus lej tsim qauv thiab cov yam ntxwv ib puag ncig.
Tsis tas li ntawd xwb, 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 tus lej khoom, qhov ntsuas hluav taws xob thiab qhov ntsuas tam sim no.
(1) Qhov ntsuas hluav taws xob
Qhov ntsuas hluav taws xob yog hais txog qhov tso zis hluav taws xob ntsuas los ntawm lub tshuab hluav taws xob thaum lub sijhawm ua haujlwm ib txwm, thiab chav tsev yog kV.
(2) Tam sim no ntsuas
Qhov ntsuas tam sim no yog hais txog qhov siab tshaj plaws ua haujlwm tam sim no ntawm lub tshuab hluav taws xob hauv qab kev ua haujlwm ib txwm thiab txuas ntxiv mus, hauv Ka. Thaum lwm cov kev ntsuas ntawm lub tshuab hluav taws xob raug ntsuas, lub tshuab hluav taws xob ua haujlwm ntawm qhov tam sim no no, thiab qhov kub nce ntawm nws lub stator winding yuav tsis tshaj qhov ntau uas tso cai.
(3) Kev sib hloov ceev
Qhov ceev ntawm lub tshuab hluav taws xob hais txog qhov ceev tshaj plaws ntawm lub ncej tseem ceeb ntawm lub tshuab hluav taws xob hauv 1 feeb. Qhov kev ntsuas no yog ib qho ntawm cov kev ntsuas tseem ceeb los txiav txim siab qhov ua tau zoo ntawm lub tshuab hluav taws xob.
(4) Zaus
Zaus yog hais txog qhov sib pauv ntawm lub sijhawm AC sine wave hauv lub generator, thiab nws chav tsev yog Hertz (Hz). Piv txwv li, yog tias zaus ntawm lub generator yog 50Hz, nws qhia tias qhov kev taw qhia ntawm nws cov alternating tam sim no thiab lwm yam kev ntsuas 1s hloov 50 zaug.
(5) Qhov fais fab
Lub tshuab hluav taws xob tsim hluav taws xob los ntawm kev hloov pauv hluav taws xob electromagnetic, thiab nws lub zog tso zis tuaj yeem muab faib ua ob hom: lub zog reactive thiab lub zog nquag. Lub zog reactive feem ntau yog siv los tsim lub zog sib nqus thiab hloov pauv hluav taws xob thiab magnetism; Lub zog nquag yog muab rau cov neeg siv. Hauv tag nrho cov zis hluav taws xob ntawm lub tshuab hluav taws xob, qhov sib piv ntawm lub zog nquag yog qhov ntsuas hluav taws xob.
(6) Kev sib txuas ntawm stator
Qhov kev sib txuas ntawm stator ntawm lub generator tuaj yeem muab faib ua ob hom, uas yog kev sib txuas ntawm daim duab peb ceg (△ zoo li) thiab kev sib txuas ntawm lub hnub qub (Y-zoo li), raws li pom hauv Daim Duab 9. Hauv lub generator, peb lub windings ntawm lub generator stator feem ntau txuas nrog lub hnub qub.
(7) Chav kawm rwb thaiv tsev
Qib rwb thaiv tsev ntawm lub tshuab hluav taws xob feem ntau yog hais txog qib tiv taus kub ntawm nws cov khoom siv rwb thaiv tsev. Hauv lub tshuab hluav taws xob, cov khoom siv rwb thaiv tsev yog qhov tsis muaj zog. Cov khoom siv yooj yim ua rau kev laus sai thiab txawm tias puas tsuaj ntawm qhov kub siab dhau, yog li qib tiv taus kub ntawm cov khoom siv rwb thaiv tsev sib txawv kuj txawv. Cov txheej txheem no feem ntau yog sawv cev los ntawm cov tsiaj ntawv, qhov twg y qhia tias qhov kub tiv taus kub yog 90 ℃, a qhia tias qhov kub tiv taus kub yog 105 ℃, e qhia tias qhov kub tiv taus kub yog 120 ℃, B qhia tias qhov kub tiv taus kub yog 130 ℃, f qhia tias qhov kub tiv taus kub yog 155 ℃, H qhia tias qhov kub tiv taus kub yog 180 ℃, thiab C qhia tias qhov kub tiv taus kub yog ntau dua 180 ℃.
(8) Lwm yam
Hauv lub tshuab hluav taws xob, ntxiv rau cov kev teeb tsa saum toj no, kuj tseem muaj cov kev teeb tsa xws li tus lej ntawm cov theem ntawm lub tshuab hluav taws xob, qhov hnyav tag nrho ntawm lub tshuab thiab hnub tsim khoom. Cov kev teeb tsa no yooj yim to taub thaum nyeem ntawv, thiab feem ntau yog rau cov neeg siv xa mus rau thaum siv lossis yuav khoom.
3, Cim qhia txog lub tshuab hluav taws xob hauv kab
Lub tshuab hluav taws xob yog ib qho tseem ceeb hauv cov voj voog tswj xws li lub tshuab hluav taws xob thiab cov cuab yeej siv tshuab. Thaum kos duab daim duab qhia txog txhua lub voj voog tswj, lub tshuab hluav taws xob tsis pom los ntawm nws cov duab tiag tiag, tab sis cim los ntawm cov duab kos lossis cov duab kos, cov ntawv thiab lwm cov cim uas sawv cev rau nws txoj haujlwm.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-15-2021
