Nkag Siab Txog Pulse Rectifiers Thiab Polarity Reverse Rectifiers

Cov Kev Txawv Tseem Ceeb thiab Cov Ntawv Thov

Cov rectifiers yog cov khoom tseem ceeb hauv ntau yam hluav taws xob circuits thiab cov khoom siv fais fab. Lawv hloov alternating current (AC) mus rau direct current (DC), muab lub zog tsim nyog rau ntau yam khoom siv thiab daim ntawv thov. Ntawm ntau hom rectifiers, pulse rectifiers thiab polarity reverse rectifiers yog qhov tseem ceeb rau lawv cov yam ntxwv tshwj xeeb thiab daim ntawv thov. Tsab xov xwm no delves rau hauv qhov sib txawv ntawm ob hom rectifiers no, lawv cov hauv paus ntsiab lus ua haujlwm, qhov zoo, qhov tsis zoo, thiab daim ntawv thov.

Cov Rectifiers Pulse

Cov pulse rectifiers, tseem hu ua pulsed rectifiers lossis controlled rectifiers, yog cov khoom siv uas hloov AC mus rau DC los ntawm kev siv cov khoom siv semiconductor tswj xws li thyristors lossis silicon-controlled rectifiers (SCRs). Cov rectifiers no feem ntau siv rau hauv cov ntawv thov uas xav tau kev tswj hwm qhov hluav taws xob thiab tam sim no.

Txoj Cai Ua Haujlwm

Kev ua haujlwm ntawm lub pulse rectifier suav nrog kev tswj lub kaum sab xis ntawm lub zog AC nkag. Los ntawm kev kho lub kaum sab xis ntawm SCRs, qhov tso zis DC voltage tuaj yeem tswj tau. Thaum SCR raug qhib, nws tso cai rau tam sim no hla mus txog thaum lub voj voog AC mus txog xoom, thaum ntawd SCR tua. Cov txheej txheem no rov ua dua rau txhua ib nrab ntawm lub voj voog AC nkag, tsim cov zis DC pulsating.

Cov txiaj ntsig

Kev Tswj Xyuas Kom Tseeb: Cov rectifiers pulse muab kev tswj hwm zoo heev ntawm qhov tso zis voltage thiab tam sim no, ua rau lawv zoo tagnrho rau cov ntawv thov uas xav tau qhov tso zis DC hloov kho tau.

Kev Ua Haujlwm Zoo: Cov rectifiers no ua haujlwm tau zoo heev, vim lawv txo qis kev poob hluav taws xob thaum lub sijhawm hloov pauv.

Kev Yooj Yim: Cov rectifiers pulse tuaj yeem tswj tau ntau yam loads thiab tsim nyog rau ntau hom AC inputs.

Qhov tsis zoo

Qhov Nyuaj: Lub voj voog ntawm cov pulse rectifiers yog qhov nyuaj dua li ntawm cov rectifiers yooj yim, xav tau cov khoom ntxiv rau kev ua kom thiab tswj.

Tus nqi: Vim yog siv cov khoom siv semiconductor tswj tau thiab cov voj voog tswj ntxiv, cov rectifiers pulse feem ntau kim dua.

Cov ntawv thov

Cov rectifiers pulse siv dav hauv cov ntawv thov kev lag luam, suav nrog:

1.Cov Tsav Tsheb Ceev Hloov Pauv: Rau kev tswj qhov ceev ntawm AC motors.

2.Cov Khoom Siv Fais Fab: Hauv cov khoom siv fais fab uas tswj tau rau cov khoom siv hluav taws xob.

3.Vuam: Hauv cov khoom siv vuam uas qhov kev tswj hwm qhov tam sim no tso zis yog qhov tseem ceeb.

4.Kev Kis HVDC: Hauv cov kab ke kis hluav taws xob siab (HVDC) rau kev ua haujlwm zoo

Cov Rectifiers Rov Qab Polarity

Cov rectifiers rov qab polarity, tseem hu ua reverse polarity protection rectifiers lossis reverse voltage protection rectifiers, yog tsim los tiv thaiv cov circuits ntawm kev puas tsuaj los ntawm kev sib txuas polarity tsis raug. Lawv ua kom lub circuit ua haujlwm kom raug txawm tias lub zog fais fab polarity raug thim rov qab.

Txoj Cai Ua Haujlwm

Lub ntsiab tivthaiv ntawm lub polarity reverse rectifier yog ib lub diode lossis kev sib xyaw ua ke ntawm cov diodes. Thaum txuas nrog lub hwj chim, lub diode tso cai rau cov tam sim no tsuas yog ntws mus rau hauv qhov kev taw qhia raug. Yog tias lub polarity raug thim rov qab, lub diode thaiv cov tam sim no, tiv thaiv kev puas tsuaj rau lub voj voog.

Hauv cov qauv tsim siab dua, MOSFETs (hlau-oxide-semiconductor field-effect transistors) yog siv los muab qhov voltage qis thiab ua haujlwm tau zoo dua piv rau diodes. Cov rectifiers MOSFET no yuav kho kom raug polarity thiab xyuas kom meej tias lub voj voog ua haujlwm zoo.

Cov txiaj ntsig

Kev Tiv Thaiv Circuit: Polarity reverse rectifiers zoo tiv thaiv cov khoom siv hluav taws xob rhiab heev los ntawm kev puas tsuaj vim muaj kev sib txuas polarity tsis raug.

Kev Yooj Yim: Tus qauv tsim yog qhov yooj yim thiab tuaj yeem yooj yim koom ua ke rau hauv cov voj voog uas twb muaj lawm.

Tus nqi tsim nyog: Cov rectifiers polarity reverse uas siv diode pheej yig thiab yooj yim nrhiav tau.

Qhov tsis zoo

Kev poob qis ntawm lub zog: Cov rectifiers raws li diode ua rau muaj kev poob qis ntawm lub zog pem hauv ntej, uas tuaj yeem txo qhov ua tau zoo ntawm lub voj voog.

Kev Tswj Xyuas Txwv: Cov rectifiers no tsis muab kev tswj hwm qhov hluav taws xob lossis tam sim no, vim lawv lub luag haujlwm tseem ceeb yog kev tiv thaiv.

Cov ntawv thov

Cov polarity reverse rectifiers siv rau ntau yam kev siv uas kev tiv thaiv tiv thaiv reverse polarity yog qhov tseem ceeb, suav nrog:

1.Cov Khoom Siv Hluav Taws Xob Rau Cov Neeg Siv Khoom: Hauv cov khoom siv xws li xov tooj ntse, laptops, thiab lwm yam khoom siv hluav taws xob uas nqa tau los tiv thaiv kev puas tsuaj los ntawm kev sib txuas fais fab tsis raug.

2.Tsheb: Hauv cov khoom siv hluav taws xob hauv tsheb los tiv thaiv cov circuits los ntawm kev sib txuas roj teeb rov qab.

3.Cov Txheej Txheem Fais Fab Hnub Ci: Txhawm rau kom ntseeg tau tias cov vaj huam sib luag hnub ci ua haujlwm zoo thiab tiv thaiv kev puas tsuaj los ntawm kev hloov pauv polarity.

4.Cov Khoom Siv Them Roj Teeb: Txhawm rau tiv thaiv cov voj voog them los ntawm kev sib txuas roj teeb tsis raug.

Qhov Txawv Tseem Ceeb

Qhov Txawv Tseem Ceeb

Txawm hais tias ob qho tib si pulse rectifiers thiab polarity reverse rectifiers ua lub luag haujlwm tseem ceeb hauv cov tshuab hluav taws xob, lawv cov haujlwm thiab daim ntawv thov sib txawv heev.

Kev Ua Haujlwm: Cov cuab yeej hloov pauv pulse tsom mus rau kev hloov AC mus rau DC nrog kev tswj hwm qhov tso zis, thaum cov rectifiers polarity rov qab yog tsim los tiv thaiv cov circuits los ntawm kev puas tsuaj vim yog kev sib txuas polarity tsis raug.

Cheebtsam: Cov rectifiers pulse siv cov khoom siv semiconductor tswj hwm xws li SCRs, thaum cov polarity reverse rectifiers feem ntau siv diodes lossis MOSFETs.

Qhov Nyuaj: Cov rectifiers pulse yog qhov nyuaj dua thiab xav tau cov circuitry tswj ntxiv, thaum cov polarity reverse rectifiers muaj tus qauv yooj yim dua.

Daim Ntawv Thov: Cov rectifiers pulse yog siv rau hauv kev lag luam thiab cov ntawv thov muaj zog, thaum cov polarity reverse rectifiers feem ntau pom muaj nyob rau hauv cov khoom siv hluav taws xob, tsheb, thiab lub hnub ci zog.

Xaus lus

Cov pulse rectifiers thiab polarity reverse rectifiers yog cov khoom tseem ceeb hauv cov tshuab hluav taws xob niaj hnub no, txhua lub ua haujlwm sib txawv. Pulse rectifiers muab kev tswj hwm meej thiab kev ua haujlwm zoo hauv AC mus rau DC hloov pauv, ua rau lawv haum rau kev siv hauv kev lag luam. Qhov sib txawv, polarity reverse rectifiers muab kev tiv thaiv tseem ceeb tiv thaiv kev sib txuas polarity tsis raug, ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm ntau yam khoom siv hluav taws xob thiab cov kab ke. Kev nkag siab txog qhov sib txawv ntawm cov rectifiers no pab xaiv cov khoom tsim nyog rau cov ntawv thov tshwj xeeb, thaum kawg txhim kho kev ua tau zoo thiab lub neej ntev ntawm cov hluav taws xob circuits.