Tsav vuam inverter. Schematic daim duab ntawm lub inverter ntawm lub vuam

Cov tsab xov xwm yuav muab suav hais tias ib tug classic tswvyim ntawm vuam inverter. Rau hnub tim, lawv yog heev nrov, tus nqi yog txaus rau lawv muaj. Lawv muaj ib tug ntau ntawm cov zoo zoo, xws li yooj yim ntawm lub lag luam thiab cov uas tsis muaj ceeb thawj. Tab sis, zoo li lwm yam electronic khoom, vuam siv lub tshuab tej zaum yuav puas ntsoog. Thiab nyob rau hauv thiaj li yuav nqa tawm ib tug zoo kho, nws yog tsim nyog rau yam tsawg kawg nyob rau hauv nqe lus dav dav, muaj ib lub tswv yim ntawm nws cov qauv, li cas hais li ntawm lub inverter Circuit Court. Yog tsis muaj nws, koj yuav tsis tau mus kho svarochniki nyob rau hauv lub tswvyim uas siv inverter transformers. Yog li ntawd, koj yuav tsum kawm tau ntau yam ntawm txoj kev xav txog qhov no ntaus ntawv.

Cov ntaub ntawv hais txog lub inverter apparatus

Nyob rau hauv qhov tseeb, lub hwj chim no unit, nws khiav hauj lwm kuj yog zoo ib yam li uas siv nyob rau hauv tus kheej computers. Conversion ntawm hluav taws xob lub zog tshwm sim nyob rau hauv cov ntsiab cai, txawm lub fact tias qhov luaj li cas thiab muaj nuj nqi ntawm cov ntau yam pab kiag li lawm. Muaj ob peb kauj ruam uas tshwm sim nyob rau hauv lub vuam inverter. Ua ntej ntawm tag nrho cov muaj yog ib qho alternating voltage transformation uas yog nkag rau kab 220 mus rau hauv ib tug DC. Hais txog yuav ua li cas qhov no tshwm sim, koj yuav kawm tau me me hauv qab no, raws li zoo raws li qhia tau hais tias lub Circuit Court daim duab ntawm ib tug vuam inverter.

Ces hloov no voltage tshwm sim nyob rau hauv lub nce mus nce los, tab sis nrog ib tug siab dua zaus. Koj paub hais tias nyob rau hauv lub mains tam sim no zaus ntawm 50 Hz. Lub inverter vuam apparatus yog ib qho kev nce txog li 80 Hz tysyach. Ces nws yog tsim nyog los txo cov voltage muaj nqis nyob rau ntawm ib tug high zaus. Thaum kawg kauj ruam yog cov transformation ntawm tsawg voltage nrog ib zaus ntawm txog 80 Hz tysyach. Qhov no txoj kev yog, nyob rau hauv qhov tseeb, tag nrho cov theem yuav tawg mus rau hauv me me Cheebtsam. Tab sis kom to taub lub hauv paus ntsiab lus ntawm txaus hauj lwm.

Li txo tus luj ntawm lub vuam siv lub tshuab

Tam sim no, yog vim li cas nws twb xaiv Circuit Court yog ib qho inverter hom. Saib rau Vuam tshuab uas tau siv yav tas los, xws li qhob. Lawv lub ntsiab lub hom phiaj - kom txhob muaj cov AC voltage uas yog nkag los ntawm ib tug neeg hauv tsev neeg qhov hluav taws xob mus rau ib tug muaj kev ruaj ntseg nqi, tab sis, nrog ib tug loj theem nrab tam sim no. Vim li no, cov thawj winding yog lub qhov txhab thinner hlau tshaj ob. Lub thickness ntawm cov hlau nyob rau hauv lub ntau npaum li cas tam sim no koj tau txais nyob rau hauv lub winding. Hauv qab no yog ib tug schematic daim duab ntawm ib tug vuam inverter nyob rau hauv tsab xov xwm. Ua tib zoo kawm nws, kom muaj ib lub tswv yim dab tsi hais mus rau hauv nws. Vuam tej zaum nkag ob peb puas amperes. Vim lub fact tias lub hwj chim ntawm tej transformers yog heev siab heev, tab sis lawv ua hauj lwm tsuas yog thaum lub tam sim no zaus ntawm 50 Hz, nyob rau hauv tas li ntawd, lawv muaj ib tug heev loj loj. Raws li koj tau xav txog tej yam, lub zaus ntawm lub tswv yim thiab tso zis tam sim no yog tib yam. Nyob rau hauv lwm yam lus, Yog hais tias muaj ntaub ntawv rau cov thawj winding 50 Hz, lub qhov tshem tawm hluav taws xob tam sim no nrog rau cov tib tsis.

Cov kev khiav hauj lwm zaus ntawm lub inverter

Tab sis tam sim no ua tsaug rau cov inverter vuam siv lub tshuab, uas tsub kom lub operating zaus rau qhov kev txiav txim ntawm yim caum txhiab Hertz, thiab nyob rau hauv ib co kiag li lawm thiab ntau, yuav ua tau ntau lub sij hawm los txo qhov luaj li cas ntawm transformers, uas yog siv nyob rau hauv lub hloov dua siab tshiab ntawm hluav taws xob tam sim no. Yog hais tias koj ua kom cov kev khiav hauj lwm zaus, lub transformer yuav txo tau tsawg kawg yog plaub lub sij hawm. Yog li ntawd, tag nrho cov luj ntawm tag nrho cov svarochnika yuav heev me me. Tus nqi nqi ntawm no ntaus ntawv yog tseem txo, txij li thaum muaj ib tug saving ntawm tooj liab thiab hlau, uas yog siv nyob rau hauv qhov siv thiab ua transformers. Tab sis tau xws li ib tug zaus, koj yuav tsum tau siv inverter circuits. Lawv muaj xws li high-power teb-nyhuv transistors uas khiav lag luam nyob rau hauv tseem ceeb hom. Nrog lawv pab, tam sim no yog hloov los ntawm cov zaus yuav tsum tau rau lub lag luam. Thov nco ntsoov tias cov ua hauj lwm yuav tsuas FET ntawm qhov voltage. Nws yog ib nqi sau cia hais tias "Resanta" tswvyim vuam inverter yog heev uas zoo sib xws mus rau ib tug siv nyob rau hauv lwm yam pab kiag li lawm.

Cov kev khiav hauj lwm hauv paus ntsiab lus ntawm lub rectifier

Yog li ntawd, ua ntej koj ua ntawv thov hwj chim rau lawv, nws yog tsim nyog ua kom ncaj cov khoom tam sim no. Rau lub hom phiaj no yog ib tug rectifier, nyob rau diodes yog haib. Lawv muaj kev cob cog nyob rau hauv ib tug choj Circuit Court. Tom qab ntawd lub cutoff nce mus nce los tivthaiv siv cov electrolytic capacitors. Qhov no tshwm sim nyob rau thawj hloov dua siab tshiab theem. Teb cov nyhuv transistors yog kev cob cog rua rau lub transformer. Nrog kev pab los ntawm tau qis voltage. Raws li hais saum toj no, cov transistors ua tam sim no switching ntawm ib zaus tej zaum txawm ntau tshaj li 80 tysyach Hz. Nws yog tseeb hais tias cov transformer yuav tsum tau tsim ua hauj lwm nyob rau hauv cov tsis. Qhov ntev ntawm lub ntaus ntawv yog heev me me, tsis piv nws nrog cov neeg siv nyob rau hauv cov pa transformer vuam machine. Tab sis lub hwj chim nws muaj yog tib yam. Nws yog tseeb hais tias muaj ntau ntau yam sib txawv hais tias yog tsim nyog rau lub ruaj khov lag luam ntawm lub vuam siv lub tshuab. Thiab tam sim no nyob rau hauv ntau yam txog yuav ua li cas txhua ntu ntawm cov pa vuam inverter. Nws muaj ob lub ntsiab qhov chaw - lub hwj chim thiab kev tswj Circuit Court.

rectifier theem

Qhov no block tshwm sim AC hloov dua siab tshiab uas tuaj txog ntawm lub network 220 volts. Nyob rau hauv nws, muaj ntau ntau semiconductor diodes uas muaj lub hwj chim, raws li zoo raws li electrolytic capacitors thiab inductor. Qhov no ua ke muab dab tsi alternating tam sim no nrog ib tug kev khiav hauj lwm zaus ntawm 50 Hz yuav qhov. Capacitors uas yuav tsum tau mus txiav lub nce mus nce los tivthaiv, uas yog tseem nyob rau hauv lub rectified voltage. Thov nco ntsoov hais tias muaj ntau ntau kev xaiv rau muab daws kom tiav cov voltage circuits. Yog hais tias lub kev twb kev txuas yuav tsum tau ua mus rau peb-theem network, rau hauv Circuit Court daim duab ntawm semiconductor diodes yuav txawv me ntsis. Yog li ntawd nws yog tsim nyog los mus txiav txim qhov kev txiav txim dab tsi koj xav tau vuam inverter Circuit Court. Nrog lawv txhais tes, xws li ib tug ntaus ntawv yuav tsum tau koom ua ke tsuas.

cov ntxaij lim dej

Ceeb toom kuj tau hais tias nyob rau hauv yuav luag ib nrab ntawm cov voltage nce tom qab nws mus txog rau lub lim, sau rau electrolytic capacitors. Nyob rau hauv lwm yam lus, yog hais tias muaj yog ib tug mains mov ntawm 220 volts, ces tus capacitor terminals, Yog hais tias koj ua ib qho kev ntsuas, yog 310 V. Nyob rau hauv thiaj li yuav smooth tam sim no ripple kom tsis txhob muaj high-zaus suab nrov, raws li tau zoo raws li kom tsis txhob lawv ntog mus rau hauv lub hwj chim daim phiaj, nws yog tsim nyog rau nruab ib tug tshwj xeeb lim. Feem ntau nws yuav throttle uas yog lub qhov txhab nyob rau hauv lub nplhaib tub ntxhais thiab cov Circuit Court muaj xws li ob peb capacitors.

inverter theem

Feem ntau, rau qhov kev siv ntawm cov inverter siv ob tug hwj chim transistors uas khiav lag luam nyob rau hauv tseem ceeb hom. Nws yog ib nqi sau cia hais tias lawv yuav tsum tau kev txhawb rau ib tug txhuas tshav kub tog. Tsis tas li ntawd, muaj ib tug ntxiv yuam txias nrog ib tug kiv cua. Vim hais tias ntawm cov transistors muaj peev xwm txuas qhov DC voltage, uas yog ces noj rau ib tug mem tes transformer. Ntxiv mus, lub switching muaj tshwm sim nrog ib zaus ntawm txog 80 kHz. Tab sis muaj ib tug txawv los ntawm lub alternating tam sim no uas ntws mus rau hauv ib tsev neeg hwj chim socket. Firstly, lub zaus nqi nws tus kheej ntau zaus lawm surpasses nws. Secondly, tus mem tes puab ntawm lub alternating voltage uas yog generated FETs lub ntau dua li ib sinusoid. Yuav kom tiv thaiv cov transistors los ntawm ntau overvoltage, nws yog tsim nyog los siv ib tug Circuit Court muaj resistors thiab capacitors. Nws yuav tsum tau muab sau tseg hais tias ib tug Circuit Court daim duab ntawm lub inverter ntawm lub vuam tsis yog tsis muaj cov neeg hais.

RF transformer

High-zaus transformer, uas ib tug voltage los ntawm cov transistors kev khiav hauj lwm nyob rau hauv lub switching hom, yog li txo nws tus nqi rau 65 volts rau nruab nrab. Tab sis qhov no tam sim no tej zaum yuav nyob rau hauv lub kev txiav txim ntawm 130 A. Nws yog ua tau txawm mus kos ib analogy nrog lub ignition kauj, uas yog siv nyob rau hauv tsheb. Lub vuam inverters rau cov thawj winding ntawm ib tug high voltage, tab sis tam sim no muaj ib tug heev me me ib. Nws yog muab tshem tawm los ntawm lub qhov winding voltage mus rau ib tug txo nqi, tiam sis tam sim no yog nce. Thov nco ntsoov tias lub tsheb tiv cav tseb kauj ua hauj lwm nyob rau hauv lub rov qab hauv paus ntsiab lus. Ntawd ces yog qhov uas tsis muaj voltage loj tam sim no yog txhab khoom mus rau cov thawj winding. Ib tug yog muab tshem tawm los ntawm lub qhov high voltage, tab sis nrog ib tug me me tam sim no tus nqi.

Lub tso zis rectifier

Tab sis nws yog tsim nyog los saib yog dab tsi lub Cheebtsam ntawm ib tug ntxiv e-mail. Vuam inverter Circuit Court. Thaum tso zis hauv lub rectifier yog tseem teem, uas yog sau los ntawm lub high-power semiconductor diodes. Lawv muaj ib tug heev cov kev kub ceev, lawv yuav qhib thiab kaw thaum lub sij hawm lub sij hawm, uas yog npaum li cas tsawg tshaj li 50 nanoseconds. Nco ntsoov tus tsim ntawm vuam inverters uas yuav tsum tau khaws cov semiconductor ntsiab nyob rau hauv xws li ib tug txoj kev uas lawv siav cov tsis ua hauj lwm. Tej yam yooj yim diodes yuav tsis tau tiv nrog neeg ua hauj lwm, raws li lawv yuav tsis tau qhib thiab kaw nyob rau hauv ib tug raws sijhawm. Tam sim ntawd pib ntev cua kub thiab, thiaj li, tus ua hauj lwm. Vim li no, cov qauv los yog cov installation nyob rau hauv lub kho tsim diodes, uas muaj ib tug heev luv luv switching lub sij hawm.