txhawm rau tswj qhov hluav taws xob hauv lub network, cov khoom siv hluav taws xob tau siv. Cov cuab yeej no ua haujlwm los ntawm kev hloov cov zaus. Ntau qhov kev hloov kho tau pom zoo siv rau ntawm AC fais fab.
Qhov tseem ceeb ntawm cov rectifiers muaj xws li conductivity. Nws tseem tsim nyog xav txog qhov taw qhia ntawm kev tso cai overvoltage. Txhawm rau kom nkag siab qhov teeb meem hauv kev nthuav dav ntxiv, nws yog qhov yuav tsum tau xav txog lub voj voog rectifier.
Kev hloov kho khoom siv
Lub voj voog rectifier cuam tshuam nrog kev siv tus hu rau thyristor. Lub stabilizer, raws li txoj cai, yog siv los ua hom kev hloov pauv. Qee zaum, nws tau nruab nrog kev tiv thaiv. Kuj tseem muaj ntau qhov kev hloov kho ntawm triodes. Cov khoom siv no ua haujlwm ntawm qhov zaus ntawm 30 Hz. Lawv zoo rau cov neeg sau khoom. Lub rectifier Circuit Court kuj suav nrog cov khoom sib piv qis. Lawv qhov rhiab heev sib haum mus rau qhov ntsuas ntawm tsawg kawg 10 mV. Ib chav kawm ntawm cov khoom siv tau nruab nrog varicap. Vim qhov kev hloov kho no, nws tuaj yeem txuas mus rau ib lub voj voog ib zaug.
Nws ua haujlwm li cas?
Raws li tau hais ua ntej, lub rectifier ua haujlwm rausuav hloov zaus. Thaum pib, qhov hluav taws xob poob rau ntawm lub zog thyristors. Cov txheej txheem hloov dua siab tshiab tam sim no yog ua los ntawm kev siv triode. Yuav kom tsis txhob overheating ntawm lub cuab yeej, muaj ib tug stabilizer. Thaum yoj cuam tshuam tshwm sim, tus sib piv tau qhib.
Scope ntawm cov cuab yeej
Feem ntau cov khoom siv tau teeb tsa hauv cov tshuab hloov pauv. Kuj tseem muaj kev hloov kho rau tsav modules. Tsis txhob hnov qab txog cov cuab yeej siv hluav taws xob uas siv hauv kev tsim khoom. Hauv modulators, rectifiers ua lub luag haujlwm ntawm tus tswj hluav taws xob. Txawm li cas los xij, nyob rau hauv rooj plaub no, ntau nyob ntawm hom khoom siv.
hom kev hloov pauv uas twb muaj lawm
Los ntawm kev tsim, semiconductor, thyristor thiab kev hloov kho choj yog qhov txawv. Ib pawg cais suav nrog cov khoom siv hluav taws xob uas tuaj yeem ua haujlwm ntawm ntau zaus. Cov qauv puv nthwv dej tsis haum rau cov hom phiaj no. Tsis tas li ntawd, rectifiers yog qhov txawv ntawm theem. Hnub no koj tuaj yeem pom ib-, ob- thiab peb-theem khoom siv.
Semiconductor Models
Semiconductor rectifiers yog qhov zoo rau cov kauj ruam-down transformers. Muaj ntau qhov kev hloov kho yog tsim los ntawm kev sib txuas ntawm cov capacitors. Lawv input conductivity tsis tshaj 10 microns. Nws tseem tsim nyog sau cia tias semiconductor rectifiers sib txawv hauv qhov rhiab heev. Devices mus txog 5mV yuav siv tau ntawm 12V.
Cov kab ke tiv thaiv lawv siv chav kawm P30. Adapters yog siv los txuas cov kev hloov kho. Ntawm qhov hluav taws xob ntawm 12 V, qhov ntsuas rov qab yog qhov nruab nrab ntawm 10 A. Kev hloov kho nrog cov ntaub ntawv yog qhov txawv los ntawm kev ua haujlwm siab kub tsis ua haujlwm. Ntau cov khoom siv muaj peev xwm khiav ntawm transistors. Cov lim tau siv los txo qhov cuam tshuam.
Txhim kho cov khoom siv thyristor
Thyristor rectifier yog tsim los tswj qhov voltage hauv DC network. Yog hais tias peb tham txog kev hloov kho ntawm tsawg conductivity, ces lawv tsuas siv ib tug triode. Qhov siab tshaj plaws voltage thaum thauj khoom ntawm 2 A yog tsawg kawg yog 10 V. Cov kev tiv thaiv rau cov khoom rectifiers nthuav tawm yog siv, raws li txoj cai, chav kawm P44. Nws tseem tsim nyog sau cia tias cov qauv tsim tau zoo rau cov khoom siv hluav taws xob. Lub thyristor rectifier transformer ua haujlwm li cas? Ua ntej tshaj plaws, qhov voltage mus rau relay.
Kev hloov pauv ntawm cov tam sim no ncaj qha yog vim lub transistor. Capacitor blocks yog siv los tswj cov zis voltage. Ntau tus qauv muaj ntau lub lim. Yog hais tias peb tham txog qhov shortcomings ntawm rectifiers, nws yog tsim nyog sau cia hais tias lawv muaj kub kub poob. Thaum cov zis hluav taws xob ntau dua 30V, tus nqi tshaj tawm tau txo qis heev. Tsis tas li ntawd, nws tsim nyog xav txog tus nqi siab ntawm thyristor rectifier.
Kev hloov kho choj
Bridge rectifiers ua haujlwm ntawm qhov zaus tsis tshaj 30 Hz. Lub kaum sab xis tswj nyob ntawm cov triodes. Comparors feem ntau yog ntsia los ntawm diode conductors. Cov qauv tsis haum rau cov khoom siv fais fab hauv txoj kev zoo tshaj plaws. Rau cov modules, stabilizers nrog ib tug tsis tshua muaj zog adapter yog siv. Yog hais tias peb tham txog cov minuses, ces ib tug yuav tsum coj mus rau hauv tus account qhov tsawg conductivity ntawm high voltage. Cov txheej txheemkev tiv thaiv, raws li txoj cai, siv chav kawm P33.
Ntau qhov kev hloov kho txuas nrog los ntawm dipole triode. Lub transformer ua haujlwm li cas ntawm cov rectifiers? Thaum pib, voltage yog siv rau thawj winding. Ntawm qhov hluav taws xob ntau tshaj 10 V, lub converter yog hloov rau. Kev hloov zaus yog ua los ntawm kev siv cov khoom sib piv. Txhawm rau txo qhov kub poob, ib qho varicap tau teeb tsa rau ntawm tus choj tswj hwm rectifier.
Power Devices
Fais fab rectifiers tsis ntev los no tau raug suav hais tias ntau heev. Qhov taw qhia overload ntawm qhov hluav taws xob tsawg tsis tshaj 15 A. Cov kev tiv thaiv feem ntau yog siv los ntawm P37 series. Cov qauv yog siv rau kauj ruam-down transformers. Yog tias peb tham txog cov qauv tsim, nws tseem ceeb heev uas yuav tsum nco ntsoov tias cov khoom siv tau tsim nrog pentodes. Lawv sawv tawm rau lawv qhov kev nkag siab zoo, tab sis lawv muaj qhov chaw ua haujlwm qis.
Capacitor blocks raug tso cai siv ntawm 4 microns. Qhov tso zis voltage siab tshaj 10 V qhib lub converter. Cov lim feem ntau yog siv rau ntawm ob lub insulators. Nws tseem tsim nyog sau cia tias muaj ntau lub rectifiers nrog cov tswj ntawm lub khw. Lawv lub ntsiab sib txawv yog nyob rau hauv lub peev xwm ua hauj lwm ntawm frequencies saum 33 Hz. Hauv qhov no, qhov nruab nrab overload sib raug rau 10 A.
Nyob ib nrab-yoj hloov kho
Ob-ib nrab-yoj ib-theem rectifier muaj peev xwm ua haujlwm ntawm ntau zaus. Lub ntsiab kom zoo dua ntawm cov kev hloov kho yog nyob rau hauv lub siab khiav hauj lwm kub parameter. Hais txog kev tsim khonta, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias lub hwj chim thyristors yog siv los ntawm ib hom, thiab lawv cov conductivity tsis tshaj 4 microns. Ntawm qhov voltage ntawm 10 V, lub kaw lus tso tawm qhov nruab nrab ntawm 5 A.
Cov kab ke tiv thaiv feem ntau siv hauv P48 series. Kev hloov kho yog txuas nrog ntawm adapters. Nws tseem tsim nyog sau cia qhov tsis zoo ntawm rectifiers ntawm chav kawm no. Ua ntej ntawm tag nrho cov, qhov no yog ib tug tsawg susceptibility rau magnetic vibrations. Lub overload parameter tuaj yeem hloov pauv sai sai. Ntawm cov zaus qis dua 40 Hz, cov tee tam sim no tau hnov. Cov kws tshaj lij kuj tseem nco ntsoov tias cov qauv tsis tuaj yeem ua haujlwm ntawm ib lub lim. Tsis tas li ntawd, FETs tsis haum rau cov khoom siv.
ib theem khoom siv
Ib-theem tswj rectifier muaj peev xwm ua tau ntau yam haujlwm. Cov qauv yog feem ntau ntsia rau ntawm lub hwj chim transformers. Ntawm qhov zaus ntawm 20 Hz, lub overload parameter tsis tshaj 50 A ntawm qhov nruab nrab, qhov kev tiv thaiv rau rectifiers yog ntawm chav kawm P48. Ntau tus kws tshaj lij hais tias cov qauv tsis ntshai ntawm kev cuam tshuam yoj thiab ua haujlwm zoo heev nrog kev txhawb zog siab. Puas muaj qhov tsis zoo ntawm cov qauv no? Ua ntej ntawm tag nrho cov, lawv muaj feem xyuam rau tsawg tam sim no ntawm high load. Txhawm rau daws qhov teeb meem no, cov cuab yeej sib piv tau teeb tsa. Txawm li cas los xij, thov nco ntsoov tias lawv tsis tuaj yeem ua haujlwm ntawm AC circuits.
Ntxiv thiab, teeb meem nrog kev coj ua tam sim no tshwm sim ib ntus. Qhov nruab nrab, qhov ntsuas no yog 5 microns. Txo qhov rhiab heev cuam tshuam rau kev ua haujlwm ntawm triode. Yog hais tias peb xav txog ib-theem uncontrolled rectifiers, ces lawv cov ntaub yog siv nrog ib tug adapter. Ntawmntau cov qauv muaj ntau yam insulators. Nws tseem tsim nyog sau cia tias cov rectifiers ntawm hom no tsis haum rau cov kauj ruam-down transformers. Stabilizers feem ntau yog siv rau peb qhov tso tawm, thiab lawv qhov siab tshaj plaws voltage yuav tsum tsis pub tshaj 50 V.
Parameters ntawm ob-theem khoom siv
Ob-theem rectifiers yog tsim rau DC thiab AC circuits. Ntau qhov kev hloov kho tau ua haujlwm ntawm kev sib cuag-hom triodes. Yog hais tias peb tham txog qhov tsis muaj kev hloov kho, ces nws yog tsim nyog sau cia qhov tsawg voltage ntawm high overloads. Yog li, cov cuab yeej siv tsis zoo rau lub hwj chim transformers. Txawm li cas los xij, kev ua tau zoo yog suav tias yog qhov zoo ntawm cov khoom siv.
Sensitivity rau cov qauv pib ntawm 55 mV. Nyob rau tib lub sijhawm, kev poob cua sov yog qhov tsis tseem ceeb. Cov sib piv yog siv rau ntawm ob daim hlau. Feem ntau, kev hloov kho yog txuas nrog ib qho adapter. Nyob rau hauv cov ntaub ntawv no, cov insulators yog pre-tested rau cov zis kuj.
3-theem hloov kho
Peb-theem rectifiers tau nquag siv hauv lub zog hloov hluav taws xob. Lawv muaj lub siab tshaj qhov ntsuas thiab muaj peev xwm ua haujlwm hauv cov xwm txheej siab. Yog hais tias peb tham txog cov qauv tsim, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov qauv yog sib sau ua ke nrog capacitor units. Vim qhov kev hloov kho no, nws tso cai rau txuas mus rau DC Circuit Court thiab tsis txhob ntshai ntawm yoj cuam tshuam. Impulse jumps yog thaiv los ntawm cov ntxaij lim dej. Kev sib txuas los ntawm ib qho adapter yog ua los ntawm kev siv lub converter. Ntau tus qauv muaj peb lub insulators. hnub sovoltage ntawm 3 A yuav tsum tsis pub tshaj 5 V.
Ntxiv thiab, nws tsim nyog sau cia tias cov khoom siv hluav taws xob ntawm hom no yog siv rau kev sib txuas loj dhau. Ntau qhov kev hloov kho yog nruab nrog blockers. Kev txo qis zaus tshwm sim nrog kev pab los ntawm kev sib piv, uas tau teeb tsa saum lub thawv capacitor. Yog hais tias peb xav txog relay transformers, ces ib tug ntxiv adapter yuav tsum tau mus cuag kev hloov kho.
qauv nrog kev sib cuag sib piv
Controlled rectifiers nrog kev sib cuag sib piv tsis ntev los no tau xav tau zoo heev. Ntawm cov yam ntxwv ntawm cov kev hloov kho, nws yog ib qho tsim nyog yuav tsum nco ntsoov qhov siab ntawm overload. Cov txheej txheem tiv thaiv feem ntau yog siv hauv chav kawm P55. Cov khoom siv nrog ib lub thawv capacitor ua haujlwm. Ntawm qhov hluav taws xob ntawm 12 V, qhov tso zis tam sim no tsawg kawg yog 3 A. Ntau tus qauv khav theeb siab conductivity ntawm zaus ntawm 5 Hz.
Stabilizers feem ntau yog siv hom kev ua haujlwm qis. Lawv ua tau zoo hauv AC circuits. Hauv kev tsim khoom, rectifiers yog siv los ua haujlwm fais fab transformers. Lawv permissible conductivity theem yog tsis ntau tshaj 50 microns. Kev khiav hauj lwm kub nyob rau hauv cov ntaub ntawv no nyob ntawm seb hom dinistor. Raws li txoj cai, lawv tau nruab nrog ntau daim phiaj.
Dual comparator devices
Hluav taws xob rectifiers nrog ob qhov sib piv muaj nuj nqis rau lawv qhov chaw tso zis hluav taws xob siab. Nrog rau qhov overload ntawm 5 A, kev hloov kho tuaj yeem ua haujlwm yam tsis muaj cua sov. Lub smoothing yam rau rectifiers tsis tshaj 60%. Ntau qhov kev hloov khomuaj kev tiv thaiv zoo ntawm P58 series. Ua ntej tshaj plaws, nws yog tsim los tiv thaiv yoj cuam tshuam. Ntawm qhov zaus ntawm 40 Hz, cov khoom siv muab qhov nruab nrab ntawm 50 microns. Tetrodes rau kev hloov kho yog hom sib txawv, thiab lawv qhov rhiab heev tsis tshaj 10 mV.
Puas muaj qhov tsis zoo ntawm hom rectifiers? Ua ntej tshaj plaws, nws yuav tsum raug sau tseg tias lawv yuav tsum tsis txhob txuas nrog cov kauj ruam-down transformers. Hauv DC network, cov qauv muaj qhov ntsuas me me. Kev khiav hauj lwm zaus sib raug rau qhov nruab nrab mus rau 55 Hz. Kev hloov kho tsis haum rau ib leeg-ncej stabilizers. Txhawm rau siv cov khoom siv hluav taws xob hloov pauv, siv ob lub adapters.
Qhov txawv ntawm kev hloov kho nrog electrode triode
Controlled rectifiers nrog electrode triodes muaj nuj nqis rau lawv qhov chaw tso zis siab. Ntawm qhov tsawg zaus, lawv ua haujlwm yam tsis muaj cua sov. Txawm li cas los xij, nws yuav tsum tau nco ntsoov tias qhov kev ntsuas dhau ntawm qhov nruab nrab yog 4 A. Tag nrho cov no qhia tias cov rectifiers tsis muaj peev xwm ua haujlwm hauv DC network. Cov lim tuaj yeem siv rau ntawm ob lub hau xwb. Cov zis hluav taws xob feem ntau yog 50V, thiab kev tiv thaiv yog P58 chav kawm. Txhawm rau txuas lub cuab yeej, siv lub adapter. Qhov zoo tshaj plaws smoothing rau rectifiers ntawm hom no yog tsawg kawg yog 60%.
Capacitive triode qauv
Controlled capacitive triode rectifiers muaj peev xwm ua haujlwm hauv DC network. Yog tias peb xav txog qhov tsis muaj kev hloov kho, peb tuaj yeem nco ntsoov qhov siab input voltage. NtawmNyob rau hauv cov ntaub ntawv no, lub overload thaum lub sij hawm ua hauj lwm yuav tsis pub tshaj 5 A. Cov kev tiv thaiv yog chav kawm ntawv A45. Qee qhov kev hloov kho yog tsim nyog rau lub hwj chim transformers.
Nyob rau hauv cov ntaub ntawv no, ntau nyob ntawm lub capacitor unit, uas yog ntsia rau hauv lub rectifier. Raws li cov kws tshaj lij, qhov nominal voltage ntawm ntau qhov kev hloov kho yog 55 V. Cov zis tam sim no hauv qhov system yog 4 A. Lim rau kev hloov kho yog tsim rau alternating tam sim no. Lub smoothing yam ntawm lub rectifiers yog 70%.
Device raws channel triode
Controlled rectifiers nrog channel triodes yog cov conductive heev. Cov qauv ntawm hom no yog qhov zoo rau cov kauj ruam-down transformers. Yog tias peb tham txog kev tsim qauv, nws tsim nyog sau cia tias cov qauv ib txwm ua nrog ob qhov txuas, thiab lawv cov ntxaij lim dej yog siv rau ntawm insulators. Raws li cov kws tshaj lij, cov conductivity ntawm zaus ntawm 40 Hz tsis hloov ntau.
Puas muaj qhov tsis zoo ntawm cov rectifiers? Thaum tshav kub kub poob yog qhov tsis muaj zog ntawm kev hloov kho. Ntau tus kws tshaj lij nco txog qhov tsis tshua muaj hluav taws xob ntawm cov khoom sib txuas uas tau teeb tsa ntawm lub rectifiers. Txhawm rau daws qhov teeb meem, kenotrons yog siv. Txawm li cas los xij, lawv yuav tsum tsis txhob siv ntawm DC fais fab.
Qhov txawv ntawm kev hloov kho
12V rectifiers tsuas yog siv rau cov kauj ruam nqes transformers. Cov sib piv hauv cov khoom siv tau nruab nrog cov lim dej. Qhov siab tshaj plaws ntawm kev hloov kho tsis pub dhau 5 A. Kev tiv thaiv kab ke feem ntau siv hauv chav kawm P48. Yuav kom kov yeej yoj cuam tshuam, lawvhaum zoo heev. Converter stabilizers feem ntau siv, uas muaj qhov zoo tshaj plaws smoothing. Yog tias peb tham txog qhov tsis zoo ntawm kev hloov kho, ces nws tsim nyog sau cia tias qhov tso zis tam sim no hauv cov khoom siv tsis ntau tshaj 15 A.
