Ntsuas transducers yog hu ua cov cuab yeej tshwj xeeb uas tsim nyog los txiav txim siab tus nqi (kub, voltage, tam sim no). Cov txiaj ntsig tau txais yog siv rau kev ua haujlwm los ntawm cov neeg ua haujlwm. Lub ntsiab tsis hloov kho ntawm hom no muaj xws li teeb liab conductivity, conversion tus nqi thiab cov zis voltage.
Tsis tas li, cov kws tshaj lij suav nrog qhov ntsuas ntawm kev tiv thaiv thiab kev tso cai ntau dhau, uas ntsuas hauv amperes. Tus qauv transmitter muaj xws li ib daim phiaj trigger. Cov kev sib cuag ntawm tus qauv yog tsau rau ntawm lub dinistor. Zener diodes nyob rau hauv cov khoom siv nrog cov conductivity sib txawv. Lub triode yog siv los tiv thaiv cov khoom siv. Txhawm rau kom nkag siab qhov teeb meem no kom ntxaws ntxiv, nws yog qhov yuav tsum tau xav txog cov hom tseem ceeb ntawm kev ntsuas transducers.
Device types
Raws li hom kev ua, qauv ntawm qhov kub thiab txias, qhov hluav taws xob, thiab tam sim no txawv. Cov khoom siv tsawg zaus feem ntau yog siv hauv cov khoom siv hluav taws xob hloov hluav taws xob. Qhov taw qhia ntawm cov teeb liab conductivity rau converters ntawm hom no, qhov nruab nrab, tsis ntau tshaj 34 microns. Ntaucov qauv muaj ob yam. Cov zis rhiab heev ntawm cov cuab yeej nyob ntawm qhov txwv voltage. Cov qauv siab zaus tsim nyog rau cov nroj tsuag fais fab.
Nws tseem ceeb heev uas yuav tsum nco ntsoov tias kev faib cov hloov pauv tau ua los ntawm cov lej ntawm cov channel. Qhov no parameter nyob ntawm seb hom triode. Cov qauv siab tshaj plaws tuaj yeem txhawb nqa tsis pub ntau tshaj peb txoj kab. Qee qhov kev hloov kho tuaj yeem ua haujlwm hauv ib lub voj voog nkaus xwb nrog kev hloov tam sim no. Lub limiting overload indicator for converters of this type is on average 4.5 A. Tseem muaj cov cuab yeej siv rau kev ua haujlwm hauv DC network. Feem ntau lawv tuaj yeem pom ntawm cov chaw ua haujlwm siab-voltage.
Ib-channel kub hloov kho
Cov tshuab ntsuas no tau siv dav hauv cov chaw tsim hluav taws xob. Lawv lub peev xwm hla teb chaws siab tshaj plaws yog kwv yees li 70%. Kev sib cuag rau cov qauv ntawm cov qauv nthuav tawm, raws li txoj cai, yog siv los ntawm tooj liab. Thyristors yog siv nrog ntau yam flanges. Valves xav tau los tswj lub siab ruaj khov. Cov relays ntawm cov converters yog ntawm hom channel. Nyob rau hauv cov khoom siv nrog regulators muaj ib tug selector. Hom kev ntsuas transducers no raug nqi (tus nqi lag luam) txog 13 txhiab rubles.
Txoj kev ntawm ob-channel kub qauv
ntsuas tshuab ntawm hom no feem ntau siv hauv cov chaw tsim hluav taws xob loj. Rau kev soj ntsuam kuaj, lawv zoo heev. Ntau qhov kev hloov kho siv lub channel adapter. Hauv qhov no, qhov siab tshaj plaws passability parameter, raws li txoj cai, tsis pub tshaj 80%.
Los ntawm qhov loj meconverters hom no txawv heev. Zener diodes hauv cov khoom siv yog tsim los rau kev kub siab. Cov maub los feem ntau yog siv nrog kev txav chaw. Qhov nruab nrab kub transducer raug nqi txog 18 txhiab rubles.
Daim ntawv thov ntawm peb-channel kub hloov pauv
Peb-channel kub hloov pauv tsis tshua muaj. Scope ntawm cov qauv yog dav heev. Ua ntej tshaj plaws, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov qauv tsim nyog rau cov twj hydraulic ntawm ntau lub peev xwm. Hauv qhov no, lub adapter yog siv tubular hom. Cov khoom siv hauv cov khoom siv tau siv nrog ntau yam tswj. Lim yog ntsia hom channel. Lawv qhov nruab nrab muaj peev xwm hla teb chaws yog li 85%. Niaj hnub no, qhov zoo tshaj plaws peb-channel kub converter raug nqi txog 25 txhiab rubles.
Kev piav qhia ntawm ib-channel hluav taws xob cov khoom siv
Voltage ntsuas transducers yog tsim nrog ntau yam qauv. Ua ntej tshaj plaws, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias muaj ntau yam kev hloov kho yam tsis muaj qhov tshwm sim ntawm kev ua lag luam. Lawv ua haujlwm nrog dampers. Analog capacitors yog siv los ua kom qhov tso cai voltage. Lawv tau nruab nrog ib tug conductivity ntawm 30 thiab 40 microns. Yog tias peb xav txog thawj qhov kev xaiv, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias lawv muaj kev sib cuag insulators.
Rau cov cuab yeej tsav muaj zog, cov qauv haum zoo kawg nkaus. Controllers rau cov khoom siv yog tsawg heev. Kev tiv thaiv feem ntau yog siv los ntawm KI22 series. Yog tias peb xav txog kev hloov kho rau 40 microns, ces lawv muaj cov tswj. Qhov kev txwv tsis pub hloov pauv, raws li txoj cai, tsis pub tshaj 80%. Ntau tus qauv siv ob qho kev sib tw. Rau 20 kW tsav units, qauv ntawm hom no haum txig. Qhov nruab nrab ib-channel ntsuas cov cuab yeej raug nqi txog 28 txhiab rubles.
yam ntxwv ntawm dual-channel voltage qauv
Dual-channel li zoo rau hydraulic presses. Qhov tso cai conductivity parameter hauv cov khoom siv yog li 22 microns. Qhov nruab nrab, qhov siab tshaj plaws voltage yog hais txog 300 V. Kev hloov kho nrog kev tiv thaiv kab ke yog ntau heev. Lawv cov rectifiers yog siv rau ntawm ob daim hlau.
Qhov conductivity ntawm tus selector nyob rau hauv rooj plaub no nyob ntawm qhov txwv zaus. Cov khoom siv no tsuas tuaj yeem ua haujlwm hauv ib qho kev hloov pauv tam sim no. Nws tseem yog ib qho tseem ceeb kom nco ntsoov tias muaj kev hloov kho nrog cov neeg xaiv hla ntawm lub khw. Ib qho tshwj xeeb ntawm hom converters no suav hais tias yog qhov hloov pauv siab.
Yog tias koj ntseeg qhov kev tshuaj xyuas ntawm cov kws tshaj lij, cov qauv no yog qhov zoo rau 20 kW hydraulic li. Feem ntau, cov khoom siv tau muag nrog ib tus maub los. Tsis muaj regulators nyob rau hauv cov ntaub ntawv no. Tus nqi nruab nrab ntawm cov khoom siv ntsuas ob-channel zoo yog kwv yees li 20 txhiab rubles.
Peb-channel voltage devices
Yuav muab cov khoom siv tsav, cov hloov pauv ntawm hom teev feem ntau siv. Cov qauv nrog ua rau ntawm ntau yam conductivity yog tsim. Cov qauv nrog daim hlau sib tiv tauj yog qhov txawv ntawm lawv cov versatility. Hauv qhov no, patency tus nqi nruab nrab tsis ntau tshaj 75%. Yog tias koj ntseeg tias cov kev tshuaj xyuas ntawm cov kws tshaj lij, cov cuab yeej siv tau zoo rau 15 kW tsav. Kuj tseem muaj cov cuab yeej tshwj xeeb nrog cov kab ua rau.
Qhov cuam tshuam rau cov hloov pauv ntawm hom tau teev tseg yog kwv yees li 65%. Hauv qhov no, ntau nyob ntawm qhov rhiab heev ntawm cov neeg sib cuag. Qhov tso zis voltage parameter rau cov qauv yog qhov siab tshaj plaws tso cai ntawm 320 V. Cov kev tiv thaiv feem ntau yog siv nrog cov cim PC23. Ntau cov qauv tsim tsis muaj cov insulators. Rau cov tsav muaj zog, cov cuab yeej no tsis zoo. Nws tseem yog ib qho tseem ceeb kom nco ntsoov tias lawv muaj qhov tsawg permeability parameter. Koj tuaj yeem yuav qhov zoo tshaj plaws ntsuas ntsuas ntsuas ntawm hom no ntawm tus nqi ntawm 23 txhiab rubles.
ib-channel AC qauv
Ib-channel cov khoom siv ntawm cov koob no tuaj yeem ua haujlwm nrog ntau cov khoom siv hluav taws xob siab. Yog tias koj ntseeg tias cov kev tshuaj xyuas ntawm cov kws tshaj lij, ces cov tswj hwm hauv cov khoom siv tau siv nyob rau hauv cov chav kawm sib txawv. Ua ntej ntawm tag nrho cov, nws yog ib qho tseem ceeb kom nco ntsoov hloov kho nrog yoj controllers. Lub patency parameter rau cov qauv nruab nrab yog 45%.
Cov khoom siv nrog cov tswj zaus tsis tshua muaj. Rau lub hwj chim transformers, cov qauv ntawm hom no zoo heev. Lawv cov kev sib cuag feem ntau yog ntsia rau ntawm lub dinistor. Qhov ceev ntawm kev ua cov ntaub ntawv yuav siv sij hawm me ntsis. Control units yog siv nrog capacitor. Variable Triode Qauvyog nyob rau hauv siab thov.
Lub teeb liab conductivity hauv cov khoom siv tsawg kawg yog 50 microns. Qhov ntsuas qhov ntsuas hluav taws xob feem ntau yog nyob ntawm tus rectifier. Cov txheej txheem teev nyob rau hauv lub cuab yeej yog lub luag hauj lwm rau impulse oscillations. Qhov nruab nrab, nws muaj peev xwm tiv taus cov zis tawm ntawm 30 ohms. Muaj qhov zoo ntsuas ntsuas converter (alternating tam sim no) nyob rau hauv cheeb tsam ntawm 17 txhiab rubles.
Kev piav qhia ntawm ob-channel AC cov khoom siv
Ob-channel cov khoom siv ntawm hom no yog siv rau hydraulic substations ntawm qhov sib txawv. Yog tias koj ntseeg qhov kev tshuaj xyuas ntawm cov kws tshaj lij, ces qhov zaus ntawm cov cuab yeej sib txawv heev. Qhov nruab nrab, lub teeb liab conductivity Performance index yog tsawg kawg yog 22 microns. Qhov tso zis voltage txwv nyob ntawm tus txhais. Raws li txoj cai, nws yog siv hom dipole. Qee zaum, tsis siv neeg capacitor raug teeb tsa.
Cov hloov pauv ntawm hom no yog qhov zoo rau ntau lub zog hluav taws xob. Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov qauv feem ntau siv cov tetrode sib txawv. Yog li, qhov ntsuas kub tau tso cai yog 35 degrees. Kev hloov kho nrog cov txiaj ntsig analog yog qhov tsawg. Ib tug ob-channel converter (ntsuas) raug nqi txog 14 txhiab rubles.
Daim ntawv thov ntawm peb-channel AC qauv
Peb-channel cov khoom siv tsuas yog tsim rau cov chaw nres tsheb fais fab. Cov txheej txheem tiv thaiv rau cov khoom siv, raws li txoj cai, yog qhia los ntawm RS23 series. Nyob rau hauv cov ntaub ntawv no, triggers tsuas yog hom binary. Qhov taw qhia txwvlawv cov zis voltage tsis ntau tshaj 340 V. Analog lim rau converters yog tsawg heev.
Qhov nruab nrab ruaj khov yog 85%. Rau low-frequency transformers, cov khoom siv tsis haum rau hauv txoj kev zoo tshaj plaws. Cov qauv nrog beam controllers muaj ntau heev. Kev ua cov ntaub ntawv ntawm qhov nruab nrab yuav siv sijhawm 45 ms. Koj tuaj yeem yuav qhov zoo tshaj plaws transducer (ntsuas) ntawm tus nqi ntawm 18 txhiab rubles.
ib-channel DC qauv
Ib-channel converters ntawm hom no zoo heev rau kev siv tsav. Qhov kev txwv qhov ntsuas ntawm qhov tso zis tsis ntau tshaj 4 A. Qhov nruab nrab, patency ntawm kev hloov kho tsis tshaj 80%. Yog tias koj ntseeg qhov kev tshuaj xyuas ntawm cov kws tshaj lij, cov khoom siv ntawm cov koob no yog qhov zoo rau 3 kW tsav mechanisms.
Capacitors rau cov qauv yog siv hom analog thiab commutated. Yog tias peb xav txog thawj qhov kev xaiv, ces lawv muaj qhov siab tshaj qhov ntsuas. Rau 7 kW tsav units, ib leeg-channel transducer (ntsuas) tsis haum.
Kev piav qhia ntawm ob-channel DC khoom siv
Transformers ntawm chav kawm no yog tsim nrog ib lossis ntau qhov ua rau. Yog tias koj ntseeg qhov kev tshuaj xyuas ntawm cov kws tshaj lij, cov qauv yog qhov zoo rau transformers. Lawv txoj kev tiv thaiv, raws li txoj cai, yog siv hauv PC44 series. Cov phaj hauv cov cuab yeej siv nrog cov conductivity sib txawv. Rau high voltage panelscov khoom siv zoo heev. Qhov siab tshaj qhov ntsuas ntawm qhov tso zis tsis ntau tshaj 8 A.
Cov qauv nrog electrode dampers yog tsawg heev. Lawv tsis haum rau 300 V substations. Lub peev xwm hla teb chaws ntawm cov hloov pauv ntawm cov koob no nruab nrab yog 75%. Kev hloov kho nrog triodes tuaj yeem ua kom ceev cov ntaub ntawv txheej txheem. Qhov kev hloov pauv no (kev ntsuas) tus nqi nruab nrab ntawm ib ncig ntawm 19 txhiab rubles.
