Yog vim li cas lub capacitor loj txuas nyob rau hauv parallel ntawm cov zis ntawm lub hwj chim mov tsis luv-circuited?
Lub luag haujlwm ntawm cov capacitors ntawm cov khoom siv hluav taws xob, kev sib txuas ntawm cov hluav taws xob sib txuas ntawm cov khoom siv hluav taws xob, cov txiaj ntsig ntawm kev ntxiv cov khoom siv hluav taws xob rau cov khoom siv hluav taws xob, cov txiaj ntsig ntawm kev sib txuas ntawm inductor rau cov zis ntawm cov khoom siv hluav taws xob. lub hwj chim mov, cov nyhuv ntawm kev sib txuas ntawm diode ntawm qhov tso zis ntawm lub hwj huam mov, cov nyhuv ntawm kev ntxiv ib qho inductor ntawm cov khoom siv hluav taws xob, qhov cuam tshuam ntawm kev sib txuas ntawm lub capacitor ntawm qhov tso zis ntawm lub hwj huam sib luag, thiab cov nyhuv ntawm kev sib txuas ib qho inductor mus rau qhov tso zis ntawm lub hwj chim mov. Yuav ua li cas lim lub hwj chim zaus ripple ntawm qhov tso zis kawg, lub electrolytic capacitor ntawm cov zis kawg ntawm lub hwj huam mov, thiab cov qauv diode txuas nrog nyob rau hauv parallel ntawm cov zis kawg ntawm lub hwj chim mov
Ib tug loj capacitor yog txuas nyob rau hauv parallel ntawm cov zis ntawm lub hwj chim mov. Thaum lub sij hawm thaum lub zog loj capacitor, piv txwv li, lub capacitor loj txuas nrog lub load, thiab thaum lub sij hawm lub hwj chim muab lub hwj chim rau lub load.
Thaum lub hwj chim qhib, lub hwj huam mov yog luv luv,
Qhov luv luv Circuit Court yog sib npaug rau cov khoom siv hluav taws xob muab faib los ntawm cov xaim tsis kam ntxiv rau qhov sib npaug series tsis kam ntawm lub capacitor. Ob lub resistors no tsawg heev, yog li tam sim no ntawm lub hwj chim-on yog loj heev.
Rau ib tug load nrog ib tug loj capacitor txuas nyob rau hauv parallel mus rau lub input, peb hu nws ib tug capacitive load. Thaum cov khoom siv hluav taws xob muab lub zog rau lub capacitive load, qhov luv luv Circuit Court tam sim no yuav siab li kaum ob npaug ntawm qhov kev ua haujlwm tam sim no.
Thaum muab lub zog rau cov khoom thauj khoom, peb yuav tsum xav txog ntau yam ntawm overcurrent, lub peev xwm ntawm lub zog tam sim ntawd ntawm lub hwj chim, thiab txawm tias lub peev xwm overcurrent ntawm lub Circuit Court breaker.
Rau kev thauj khoom tswj los ntawm relays, nws tseem yuav tsum tau txiav txim siab xaiv cov relay uas tsim nyog rau cov khoom thauj khoom, kom tsis txhob muaj qhov luv luv Circuit Court thaum lub sijhawm fais fab tuag uas yuav fuse cov neeg sib txuas ntawm cov relay ua ke, ua rau nws ua tsis tau. disconnect ib txwm.
Yog hais tias lub capacitance loj dhau lawm, tej zaum yuav muaj kev tiv thaiv hluav taws xob, lossis txawm tias Circuit Court breaker overcurrent tripping.
Tom qab lub hwj chim qhib, qhov tso zis voltage ntawm lub hwj huam mov yog qhov tseem ceeb tas li. Raws li kev sib raug zoo ntawm cov tam sim no ntws los ntawm lub capacitor thiab ob qhov kawg ntawm lub capacitor yog Cdu / dt, tsuas yog thaum lub voltage hloov, yuav muaj tam sim no ntws los ntawm lub capacitor, yog li tam sim no ntws los ntawm lub hwj chim mov tsuas yog cov kev khiav hauj lwm tam sim no. ntawm qhov load, tsis muaj qhov teeb meem luv luv.
Vim li cas, tsuav yog qhov kev xaiv kom raug, lub hwj huam mov tseem tuaj yeem ua haujlwm ib txwm txawm tias nws luv luv?
Thaum lub sij hawm ntawm lub hwj chim-on, raws li cov kauj ruam cov lus teb nyob rau hauv Circuit Court txoj kev xav, los ntawm ib tug-variable zoo tib yam sib txawv kab zauv, qhov voltage hla lub capacitor yuav daws tau raws li u=us*(1- exp(-t/(R*C)).
Thiab tam sim no ntws los ntawm lub capacitor yog i=us/R*exp(-t/(R*C)).
Ntawm lawv, R yog qhov sib npaug sib npaug ntawm cov hlau tsis kam ntxiv rau lub capacitor, thiab C yog lub capacitance ntawm lub capacitor.
Los ntawm ob qhov sib npaug no, nws tuaj yeem pom tau tias qhov tam sim no ntws los ntawm lub capacitor decays sai heev.
Piv txwv li, R yog feem ntau kaum ntawm milliohms, thiab C feem ntau yog ob peb txhiab uF, uas tuaj yeem lwj mus rau qhov tam sim no me me hauv li ob peb milliseconds.
Yog li lub sijhawm luv luv luv luv, tej zaum ob peb microseconds mus rau ob peb milliseconds.
Tag nrho cov khoom siv hluav taws xob muaj peev xwm ntawm tam sim no dhau-tam sim no, thiab feem ntau nqa tawm kev tiv thaiv luv luv raws li kev sib raug zoo ntawm lub sijhawm hloov pauv. Thaum nws tsis tshaj n lub sij hawm ntawm nws qhov ntsuas tam sim no, nws yuav tsis muaj kev tiv thaiv tam sim ntawd, tab sis yuav ncua sij hawm rau ib lub sij hawm uas yog inversely proportional rau ntau tshaj tam sim no. rau kev tiv thaiv.
