Ntaus, lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm kev hloov hluav taws xob hloov hluav taws xob

Cov txheej txheem:

Ntaus, lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm kev hloov hluav taws xob hloov hluav taws xob
Ntaus, lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm kev hloov hluav taws xob hloov hluav taws xob

Video: Ntaus, lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm kev hloov hluav taws xob hloov hluav taws xob

Video: Ntaus, lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm kev hloov hluav taws xob hloov hluav taws xob
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Hlis ntuj nqeg
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Cov khoom siv hauv tsev xav tau qhov hluav taws xob ruaj khov kom ua haujlwm tau zoo. Raws li txoj cai, ntau yam tsis ua haujlwm tuaj yeem tshwm sim hauv lub network. Qhov hluav taws xob los ntawm 220 V tuaj yeem sib txawv thiab lub cuab yeej yuav ua haujlwm tsis zoo. Ua ntej tshaj plaws, cov teeb tau raug ntaus. Yog tias peb xav txog cov khoom siv hauv tsev hauv tsev, TVs, khoom siv suab thiab lwm yam khoom siv uas ua haujlwm ntawm lub hauv paus yuav raug kev txom nyem.

Hauv qhov xwm txheej no, qhov hloov pauv hluav taws xob stabilizer tuaj yeem pab tib neeg. Nws muaj peev xwm daws tau qhov kev nce siab uas tshwm sim txhua hnub. Nyob rau tib lub sijhawm, ntau tus neeg txhawj xeeb txog cov lus nug ntawm yuav ua li cas voltage tee tshwm, thiab lawv cuam tshuam li cas. Lawv nyob ntawm qhov ua haujlwm ntawm lub transformer. Niaj hnub no, tus naj npawb ntawm cov khoom siv hluav taws xob hauv cov tsev nyob tau nce tas li. Raws li qhov tshwm sim, kev xav tau hluav taws xob paub tseeb tias yuav loj hlob.

Nws kuj yuav tsum tau coj mus rau hauv tus account tias cov cables uas tau ntev dhau los tuaj yeem muab tso rau hauv lub tsev nyob. Nyob rau hauv lem, lub tsev thaiv thaiv nyob rau hauv feem ntau yog tsis tsim rau hnyav loads. Txhawm rau khaws koj cov khoom siv nyab xeeb hauv tsev,koj yuav tsum paub ntau dua nrog cov cuab yeej ntawm cov hluav taws xob stabilizers, nrog rau cov hauv paus ntsiab lus ntawm lawv txoj haujlwm.

switching voltage regulator
switching voltage regulator

Lub zog ntawm lub zog yog dab tsi?

Tus hloov hluav taws xob tswj hluav taws xob feem ntau ua haujlwm ua tus tswj xyuas lub network. Tag nrho cov dhia yog taug qab los ntawm nws thiab tshem tawm. Raws li qhov tshwm sim, cov cuab yeej tau txais qhov ruaj khov voltage. Electromagnetic cuam tshuam kuj raug coj mus rau hauv tus account los ntawm stabilizer, thiab lawv tsis tuaj yeem cuam tshuam rau kev ua haujlwm ntawm cov khoom siv. Yog li, lub network tau tshem ntawm overloads, thiab cov teeb meem ntawm luv luv circuits yog xyaum tsis suav nrog.

A yooj yim stabilizer ntaus ntawv

Yog tias peb xav txog tus qauv hloov hluav taws xob tam sim no regulator, ces tsuas yog ib qho transistor tau nruab rau hauv nws. Raws li txoj cai, lawv tau siv tshwj xeeb ntawm hom kev hloov pauv, txij li hnub no lawv suav tias muaj txiaj ntsig zoo dua. Raws li qhov tshwm sim, qhov ua tau zoo ntawm cov cuab yeej tuaj yeem nce ntxiv.

Lub ntsiab tseem ceeb thib ob ntawm kev hloov hluav taws xob hloov hluav taws xob yuav tsum raug hu ua diodes. Nyob rau hauv cov txheej txheem ib txwm, lawv tuaj yeem pom tsis ntau tshaj peb units. Lawv txuas rau ib leeg nrog lub choke. Lim yog ib qho tseem ceeb rau kev ua haujlwm ntawm cov transistors. Lawv raug ntsia rau thaum pib, nrog rau qhov kawg ntawm cov saw hlau. Hauv qhov no, chav tswj hwm yog lub luag haujlwm rau kev ua haujlwm ntawm lub capacitor. Nws qhov tseem ceeb yog suav tias yog ib qho kev faib tawm.

Nws ua haujlwm li cas?

Nyob ntawm hom khoom siv, lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm kev hloov hluav taws xob hloov hluav taws xob yuav txawv. Xav txog tus qauvqauv, peb tuaj yeem hais tias thawj zaug tam sim no muab rau transistor. Nyob rau theem no, nws tab tom hloov pauv. Tsis tas li ntawd, diodes tau suav nrog hauv kev ua haujlwm, uas nws lub luag haujlwm suav nrog cov teeb liab xa mus rau lub capacitor. Nrog kev pab ntawm cov ntxaij lim dej, electromagnetic cuam tshuam raug tshem tawm. Lub capacitor ntawm lub sijhawm no smooths tawm qhov kev hloov pauv ntawm qhov hluav taws xob thiab los ntawm inductor tam sim no los ntawm cov kev faib tawm rov qab rov qab mus rau transistors rau kev hloov pauv.

khoom siv hauv tsev

Koj tuaj yeem ua qhov hloov hluav taws xob hloov hluav taws xob nrog koj tus kheej txhais tes, tab sis lawv yuav muaj lub zog qis. Hauv qhov no, feem ntau cov resistors raug ntsia. Yog tias koj siv ntau tshaj ib qho transistor hauv lub cuab yeej, koj tuaj yeem ua tiav qhov kev ua haujlwm siab. Ib txoj haujlwm tseem ceeb hauv qhov no yog kev teeb tsa cov lim dej. Lawv cuam tshuam qhov rhiab heev ntawm lub cuab yeej. Nyob rau hauv lem, qhov ntev ntawm lub cuab yeej tsis tseem ceeb ntawm tag nrho cov.

Tib Transistor Stabilizers

Hom kev hloov DC voltage stabilizer boasts qhov ua tau zoo ntawm 80%. Raws li txoj cai, lawv ua haujlwm hauv ib hom nkaus xwb thiab tuaj yeem tiv nrog kev cuam tshuam me me hauv lub network.

Cov lus teb hauv qhov no tsis muaj kiag li. Lub transistor nyob rau hauv tus qauv switching voltage regulator circuit ua hauj lwm yam tsis muaj ib tug collector. Yog li ntawd, ib tug loj voltage yog tam sim ntawd thov mus rau lub capacitor. Lwm qhov txawv ntawm cov khoom siv ntawm hom no tuaj yeem hu ua lub teeb liab tsis muaj zog. Ntau lub amplifiers tuaj yeem daws qhov teeb meem no.

Vim li ntawd, koj tuaj yeem ua tiav kev ua haujlwm zoo duatransistors. Lub resistor ntawm lub cuab yeej nyob rau hauv lub Circuit Court yuav tsum yog qab lub voltage divider. Hauv qhov no, nws yuav ua tau kom ua tiav qhov kev ua tau zoo ntawm cov cuab yeej. Raws li ib tug regulator nyob rau hauv lub Circuit Court, lub switching DC voltage stabilizer muaj ib chav tswj. Cov khoom no muaj peev xwm ua kom tsis muaj zog, nrog rau nce lub zog ntawm transistor. Qhov tshwm sim no tshwm sim nrog kev pab ntawm chokes uas txuas nrog diodes hauv qhov system. Lub load ntawm lub regulator yog tswj los ntawm cov ntxaij lim dej.

hloov DC voltage stabilizer
hloov DC voltage stabilizer

Hloov hom Voltage Stabilizers

Hom kev hloov pauv hluav taws xob 12V muaj kev ua haujlwm ntawm 60%. Qhov teeb meem tseem ceeb yog tias nws tsis muaj peev xwm tiv thaiv electromagnetic cuam tshuam. Hauv qhov no, cov khoom siv uas muaj lub zog ntau dua 10 W muaj kev pheej hmoo. Cov qauv niaj hnub ntawm cov stabilizers no muaj peev xwm khav theeb qhov siab tshaj plaws ntawm 12 V. Cov load ntawm cov resistors yog qhov tsis muaj zog. Yog li, ntawm txoj kev mus rau lub capacitor, qhov voltage tuaj yeem hloov pauv tag nrho. Ncaj qha tam sim no zaus zaus tshwm sim ntawm cov zis. Capacitor hnav nyob rau hauv rooj plaub no tsawg heev.

Lwm qhov teeb meem yog cuam tshuam nrog kev siv cov khoom siv hluav taws xob yooj yim. Qhov tseeb, lawv ua tau zoo heev. Tag nrho cov teeb meem yog qhov tseeb nyob rau hauv high-frequency emissions uas tshwm sim nyob rau hauv lub network. Txhawm rau daws qhov teeb meem no, cov tuam txhab pib teeb tsa cov khoom siv hluav taws xob electrolytic ntawm kev hloov hluav taws xob hloov hluav taws xob (12 volts). Raws li qhov tshwm simKev ua haujlwm zoo tau txhim kho los ntawm kev ua kom muaj peev xwm ntawm cov cuab yeej.

Cov lim dej ua haujlwm li cas?

Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm tus qauv lim yog ua raws li kev tsim cov teeb liab uas tau pub rau lub converter. Nyob rau hauv cov ntaub ntawv no, ib tug sib piv ntaus ntawv yog ntxiv qhib. Txhawm rau tiv thaiv qhov kev hloov pauv loj hauv lub network, lub lim xav tau tswj hwm. Nyob rau hauv cov ntaub ntawv no, cov zis voltage yuav smoothed.

Yuav daws cov teeb meem nrog qhov hloov pauv me me, lub lim dej muaj qhov sib txawv tshwj xeeb. Nrog nws cov kev pab, qhov hluav taws xob hla nrog qhov txwv tsis pub ntau tshaj 5 Hz. Hauv qhov no, qhov no muaj txiaj ntsig zoo rau lub teeb liab uas muaj nyob ntawm qhov tso zis hauv qhov system.

Modified device model

Qhov siab tshaj plaws thauj khoom tam sim no rau hom no pom tau txog li 4 A. Cov input voltage ntawm lub capacitor tuaj yeem ua tiav mus txog qhov cim ntawm tsis pub tshaj 15 V. Cov input tam sim no parameter lawv feem ntau tsis tshaj 5 A. Nyob rau hauv cov ntaub ntawv no, lub ripple yog tso cai rau tsawg kawg nkaus nrog ib tug amplitude nyob rau hauv lub network ntawm tsis ntau tshaj 50 mV. Hauv qhov no, qhov zaus tuaj yeem khaws cia ntawm qib 4 Hz. Tag nrho cov no thaum kawg yuav muaj txiaj ntsig zoo rau kev ua haujlwm tag nrho.

Cov qauv niaj hnub ntawm stabilizers ntawm hom saum toj no tiv nrog kev thauj khoom hauv cheeb tsam ntawm 3 A. Lwm qhov txawv ntawm qhov kev hloov kho no yog kev hloov pauv sai. Qhov no feem ntau yog vim kev siv cov transistors muaj zog uas ua haujlwm nrog los ntawm tam sim no. Raws li qhov tshwm sim, nws muaj peev xwm ua kom ruaj khov lub teeb liab tso zis. Ntawm qhov tso zis, ib qho kev hloov pauv diode kuj tseem qhib. Nws yog ntsia rau hauv qhov system ze ntawm qhov voltage node. Cov cua sov poob tau txo qis heev, thiab qhov no yog qhov kom zoo dua ntawm hom stabilizer.

pulse tam sim no voltage stabilizer
pulse tam sim no voltage stabilizer

Pulse width qauv

Pulse adjustable voltage stabilizer ntawm hom no muaj kev ua haujlwm ntawm 80%. Nws muaj peev xwm tiv taus qhov ntsuas tam sim no ntawm qib 2 A. Qhov ntsuas hluav taws xob input yog qhov nruab nrab 15 V. Yog li, cov zis tam sim no ripple yog qhov tsawg heev. Ib qho tshwj xeeb ntawm cov cuab yeej no tuaj yeem raug hu ua lub peev xwm ua haujlwm hauv lub voj voog hom. Yog li ntawd, nws muaj peev xwm tiv taus loads txog 4 A. Nyob rau hauv cov ntaub ntawv no, luv luv circuits yog heev tsawg.

Ntawm qhov tsis zoo, chokes yuav tsum tau sau tseg, uas yuav tsum tiv thaiv qhov hluav taws xob los ntawm cov capacitors. Thaum kawg, qhov no ua rau kom ceev ceev ntawm cov resistors. Yuav kom daws tau qhov teeb meem no, cov kws tshawb fawb xav kom siv ntau ntawm lawv. Lub capacitors nyob rau hauv lub network yuav tsum tau tswj cov kev khiav hauj lwm zaus ntawm lub ntaus ntawv. Hauv qhov no, nws tuaj yeem tshem tawm cov txheej txheem oscillatory, vim tias qhov ua tau zoo ntawm cov stabilizer tau txo qis.

Kev tawm tsam hauv Circuit Court kuj yuav tsum tau muab rau hauv tus account. Rau lub hom phiaj no, cov kws tshawb fawb nruab tshwj xeeb resistors. Nyob rau hauv lem, diodes muaj peev xwm pab nrog ntse hloov nyob rau hauv lub Circuit Court. Hom stabilization tsuas yog qhib rau ntawm qhov siab tshaj plaws tam sim no ntawm lub cuab yeej. Txhawm rau daws qhov teeb meem nrog cov transistors, qee qhov siv cov cuab yeej ua kom sov. Hauv qhov noqhov ntev ntawm cov cuab yeej yuav nce ntxiv. Chokes rau lub system yuav tsum tau siv multi-channel. Cov hlau rau lub hom phiaj no feem ntau yog coj hauv "PEV" series. Lawv tau muab tso rau hauv qhov chaw sib nqus, uas yog ua los ntawm lub khob hom. Tsis tas li ntawd, nws muaj xws li cov khoom xws li ferrite. Qhov sib txawv tsis ntau tshaj 0.5 hli yuav tsum thaum kawg tsim ntawm lawv.

Stabilizers rau kev siv hauv tsev yog qhov tsim nyog tshaj plaws rau "WD4" series. Lawv muaj peev xwm tiv taus ib qho tseem ceeb load tam sim no vim muaj kev hloov pauv hauv kev ua haujlwm. Nyob rau lub sijhawm no, tus resistor yuav muaj peev xwm tswj tau qhov me me hloov tam sim no. Nws raug nquahu kom dhau qhov hluav taws xob nkag ntawm lub cuab yeej los ntawm cov ntxaij lim dej ntawm LS series.

ua-nws-koj tus kheej hloov voltage stabilizer
ua-nws-koj tus kheej hloov voltage stabilizer

Tus stabilizer ua li cas nrog cov ripples me?

Ua ntej tshaj plaws, 5V hloov hluav taws xob hloov hluav taws xob ua kom lub zog pib, uas txuas nrog lub capacitor. Hauv qhov no, cov ntaub ntawv siv tam sim no yuav tsum xa cov teeb liab mus rau cov khoom sib piv. Txhawm rau daws qhov teeb meem nrog kev hloov pauv, DC amplifier tau suav nrog hauv kev ua haujlwm. Yog li, qhov siab tshaj plaws ntawm qhov dhia tuaj yeem suav tau tam sim.

Ntxiv mus los ntawm qhov inductive cia tam sim no dhau mus rau qhov hloov pauv diode. Txhawm rau kom cov input voltage ruaj khov, muaj lub lim dej ntawm cov zis. Hauv qhov no, qhov txwv zaus tuaj yeem hloov pauv loj. Qhov siab tshaj plaws transistor load tuaj yeem tiv taus mus txog 14 kHz. Lub inductor yog lub luag haujlwm rau qhov voltage hauv winding. Ua tsaug rau ferrite, qhov tam sim no tuaj yeem ruaj khov ntawm qhov pibstage.

Qhov sib txawv ntawm cov kauj ruam-up stabilizers

Qhov hloov pauv qhov hluav taws xob stabilizer nta cov khoom muaj zog. Thaum lub sij hawm tawm tswv yim, lawv nqa tag nrho lub nra ntawm lawv tus kheej. Hauv qhov no, kev sib cais galvanic yuav tsum nyob hauv lub network. Nws tsuas yog lub luag haujlwm rau kev nce qhov txwv zaus hauv qhov system.

Ib qho tseem ceeb ntxiv yog lub rooj vag tom qab transistor. Nws tau txais tam sim no los ntawm lub hwj chim. Ntawm cov zis, cov txheej txheem hloov dua siab tshiab tshwm sim los ntawm inductor. Nyob rau theem no, electromagnetic teb yog tsim nyob rau hauv lub capacitor. Nyob rau hauv lub transistor, yog li, qhov siv voltage yog tau. Tus kheej-induction txheej txheem pib ua ntu zus.

Diodes tsis siv nyob rau theem no. Ua ntej tshaj plaws, tus inductor muab qhov voltage rau lub capacitor, thiab tom qab ntawd transistor xa mus rau lub lim thiab rov qab mus rau inductor. Yog li ntawd, kev tawm tswv yim raug tsim. Nws tshwm sim kom txog thaum qhov hluav taws xob ntawm qhov chaw tswj tau stabilizes. Lub diodes ntsia yuav pab tau nws nyob rau hauv no, uas tau txais ib lub teeb liab los ntawm lub transistors, raws li zoo raws li lub stabilizer capacitor.

switching boost voltage regulator
switching boost voltage regulator

Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov khoom siv hloov pauv

Tag nrho cov txheej txheem ntawm kev hloov pauv yog txuas nrog kev ua kom lub converter. Hloov AC voltage stabilizer transistors muaj ib hom kaw ntawm "BT" series. Lwm lub ntsiab ntawm lub cev tuaj yeem hu ua tus resistor uas saib xyuas cov txheej txheem oscillatory. Ncaj qha induction yog txo qhov txwv zaus. Ntawm qhov nkag nwsmuaj nyob ntawm 3 Hz. Tom qab cov txheej txheem hloov dua siab tshiab, lub transistor xa cov teeb liab mus rau lub capacitor. Thaum kawg, qhov txwv zaus tuaj yeem ua ob npaug. Txhawm rau ua kom cov jumps tsis tshua pom, xav tau lub converter muaj zog.

Resistance nyob rau hauv cov txheej txheem oscillatory kuj muab rau hauv tus account. Qhov siab tshaj plaws parameter no tau tso cai nyob rau theem ntawm 10 ohms. Txwv tsis pub, cov diodes ntawm lub transistor yuav tsis muaj peev xwm xa cov teeb liab. Lwm qhov teeb meem yog nyob rau hauv qhov sib nqus cuam tshuam uas muaj nyob ntawm qhov tso zis. Txhawm rau txhim kho ntau cov ntxaij lim dej, NM series chokes tau siv. Lub load ntawm lub transistors ncaj qha nyob ntawm qhov load ntawm lub capacitor. Ntawm qhov tso zis, lub tshuab nqus hlau nplaum yog qhib, uas yuav pab kom lub stabilizer txo qis qhov tsis kam mus rau qib uas xav tau.

hloov AC voltage stabilizer
hloov AC voltage stabilizer

Pab regulators ua haujlwm li cas?

Hloov cov kauj ruam-down voltage stabilizer feem ntau yog nruab nrog cov capacitors ntawm "KL" series. Nyob rau hauv cov ntaub ntawv no, lawv muaj peev xwm ho pab nrog lub internal kuj ntawm lub ntaus ntawv. Cov peev txheej hluav taws xob tau suav tias yog ntau yam. Qhov nruab nrab, qhov ntsuas tsis kam hloov pauv ntawm 2 ohms. Kev khiav hauj lwm zaus yog saib xyuas los ntawm cov resistors uas txuas nrog ib chav tswj uas xa cov teeb liab mus rau lub converter.

Ib feem ntawm cov load ploj mus vim tus txheej txheem ntawm tus kheej induction. Nws tshwm sim thawj zaug hauv lub capacitor. Ua tsaug rau cov txheej txheem tawm tswv yim, qhov txwv zaus hauv qee cov qauv tuaj yeem ncav cuag 3 Hz. Hauv qhov noelectromagnetic teb tsis cuam tshuam rau hluav taws xob Circuit Court.

khoom siv hluav taws xob

Raws li txoj cai, 220 V cov khoom siv hluav taws xob tau siv hauv lub network, qhov no, kev ua haujlwm siab tuaj yeem xav tau los ntawm kev hloov hluav taws xob hloov hluav taws xob. Rau DC hloov dua siab tshiab, tus naj npawb ntawm transistors nyob rau hauv lub system yog muab rau hauv tus account. Mains transformers tsis tshua muaj siv nyob rau hauv cov khoom siv fais fab. Qhov no feem ntau yog los ntawm kev dhia loj. Txawm li cas los xij, cov rectifiers feem ntau tau teeb tsa. Nyob rau hauv lub hwj chim mov, nws muaj nws tus kheej filtering system, uas stabilizes qhov txwv voltage.

Vim li cas thiaj txhim kho cov pob qij txha?

Cov neeg them nyiaj hauv feem ntau ua lub luag haujlwm thib ob hauv lub stabilizer. Nws txuas nrog cov kev cai ntawm impulses. Transistors ua qhov no rau feem ntau. Txawm li cas los xij, cov neeg them nyiaj tseem muaj lawv qhov zoo. Hauv qhov no, ntau nyob ntawm seb cov khoom siv twg txuas nrog lub zog hluav taws xob.

Yog tias peb tham txog cov khoom siv hauv xov tooj cua, yuav tsum muaj txoj hauv kev tshwj xeeb. Nws yog txuam nrog ntau yam kev vibrations uas pom txawv los ntawm xws li ib tug ntaus ntawv. Nyob rau hauv cov ntaub ntawv no, compensators yuav pab tau cov transistors stabilize lub voltage. Txhim kho cov ntxaij lim dej ntxiv hauv Circuit Court, raws li txoj cai, tsis txhim kho qhov xwm txheej. Txawm li cas los xij, lawv cuam tshuam rau qhov ua tau zoo.

switching voltage regulator
switching voltage regulator

Qhov tsis zoo ntawm kev sib cais galvanic

Galvanic kev cais tawm raug teeb tsa rau cov teeb liab kis ntawm cov ntsiab lus tseem ceeb ntawm lub cev. Lawv qhov teeb meem lojtuaj yeem hu ua qhov kwv yees tsis raug ntawm cov khoom siv hluav taws xob. Qhov no tshwm sim feem ntau nrog outdated qauv ntawm stabilizers. Cov tswj hauv lawv tsis tuaj yeem ua cov ntaub ntawv sai thiab txuas cov capacitors ua haujlwm. Yog li ntawd, cov diodes yog thawj tus raug kev txom nyem. Yog tias lub tshuab lim tau nruab tom qab cov resistors hauv hluav taws xob, ces lawv tsuas hlawv tawm.

Pom zoo: