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Xov xwm

Surge protector, tseem hu ua hluav taws xob tiv thaiv, yog ib qho khoom siv hluav taws xob uas muab kev tiv thaiv kev nyab xeeb rau ntau yam khoom siv hluav taws xob, cov twj paj nruag, thiab cov kab sib txuas lus.Thaum muaj qhov cuam tshuam tam sim no lossis qhov hluav taws xob tam sim ntawd tshwm sim hauv hluav taws xob lossis kev sib txuas lus vim muaj kev cuam tshuam sab nraud, qhov surge. Cov khoom tiv thaiv tuaj yeem ua thiab shunt nyob rau lub sijhawm luv luv, txhawm rau tiv thaiv kev nce siab los ntawm kev puas tsuaj rau lwm yam khoom siv hauv Circuit Court.Basic tivthaiv tawm qhov sib txawv (tseem hu ua kev tiv thaiv qhov sib txawv): Nws feem ntau yog tsim los ntawm ob lub hlau rods raug huab cua nrog ib qho kev sib txawv ntawm lawv, ib qho yog txuas nrog lub zog theem kab L1 lossis kab nruab nrab (N) ntawm cov khoom siv tiv thaiv uas yuav tsum tau Txuas, lwm tus pas nrig hlau txuas nrog cov xaim hauv av (PE). Thaum qhov tam sim no overvoltage ntaus, qhov sib txawv yog tawg, thiab ib feem ntawm cov overvoltage them yog nkag mus rau hauv av, zam qhov voltage nce nyob rau hauv cov khoom tiv thaiv.Qhov kev ncua deb ntawm ob lub hlau rods nyob rau hauv lub paug kis yuav raug kho raws li yuav tsum tau. , thiab cov qauv yog qhov yooj yim, tab sis qhov tsis zoo yog tias qhov arc extinguishing kev ua tau zoo yog qhov tsis zoo.Qhov kev txhim kho paug tawm yog qhov sib txawv ntawm qhov sib txawv. Nws arc extinguishing muaj nuj nqi zoo dua li qub. Nws tso siab rau lub zog hluav taws xob F ntawm lub voj voog thiab qhov nce ntawm cov cua kub ntws los tua cov arc.
Lub raj xa pa roj yog tsim los ntawm ob chav txias cathode daim hlau sib cais los ntawm ib leeg thiab muab ntim rau hauv ib lub iav raj los yog ceramic raj uas muaj qee yam roj inert (Ar). ib tug auxiliary triggering tus neeg saib xyuas nyob rau hauv lub discharge tube.This gas-filled discharge tube muaj ob-ncej hom thiab peb-ncej hom. Cov kev tsis sib xws ntawm cov pa paug raj feem ntau suav nrog: DC tawm voltage Udc; impulse tawm voltage Up (feem ntau Up≈(2~3) Udc; fais fab zaus Qhov tam sim no Nyob rau hauv; qhov cuam tshuam thiab tam sim no Ip; rwb thaiv tsev tsis kam R (> 109Ω); inter-electrode capacitance (1-5PF). Cov raj xa tawm tuaj yeem siv tau nyob rau hauv ob qho tib si DC thiab AC tej yam kev mob, xaiv DC paug voltage Udc yog raws li nram no: Siv nyob rau hauv DC tej yam kev mob: Udc≥1.8U0 (U0 yog DC voltage rau ib txwm kab khiav hauj lwm) Siv nyob rau hauv AC tej yam kev mob: U dc≥ 1.44Un (Un yog tus nqi zoo ntawm AC voltage rau ib txwm ua haujlwm kab) Varistor yog raws li ZnO Raws li cov khoom tseem ceeb ntawm cov hlau oxide semiconductor non-linear tsis kam, thaum qhov hluav taws xob siv rau nws ob qhov kawg mus txog ib qho nqi, Nws txoj hauv kev ua haujlwm yog sib npaug ntawm cov kab sib txuas thiab sib txuas ntawm ntau yam semiconductor PNs, cov yam ntxwv ntawm varistors yog non-linear Zoo linearity yam ntxwv (I = non-linear coefficient α hauv CUα), tam sim no loj. muaj peev xwm (~ 2KA / cm2), tsis tshua muaj dej ntws muaj hnub nyoog tam sim no (10-7 ~ 10-6A), tsis tshua muaj hluav taws xob seem (nyob ntawm kev ua haujlwm ntawm varistor Voltage thiab tam sim no muaj peev xwm), lub sij hawm teb ceev ceev mus rau lub sijhawm overvoltage (~ 10-8s), tsis muaj freewheeling. Cov kev tsis sib xws ntawm varistor feem ntau suav nrog: varistor voltage (ie switching voltage) UN, reference voltage Ulma; residual voltage Ures; residual voltage ratio K (K = Ures/UN); siab tshaj tam sim no muaj peev xwm Imax; ntws tam sim no; lub sij hawm teb. Cov kev siv ntawm varistor yog: varistor voltage: UN≥ [(√2 × 1.2) / 0.7] Uo (Uo yog qhov ntsuas hluav taws xob ntawm cov khoom siv hluav taws xob ntau zaus) Yam tsawg kawg siv hluav taws xob: Ulma ≥ (1.8 ~ 2) Uac (siv nyob rau hauv DC tej yam kev mob) Ulma ≥ (2.2 ~ 2.5) Uac (siv nyob rau hauv AC tej yam kev mob, Uac yog lub AC ua hauj lwm voltage) Qhov siab tshaj plaws siv voltage ntawm lub varistor yuav tsum tau txiav txim los ntawm lub withstand voltage ntawm lub tiv thaiv hluav taws xob ntaus ntawv, thiab qhov seem voltage ntawm lub varistor yuav tsum qis dua qhov poob voltage theem ntawm cov cuab yeej tiv thaiv hluav taws xob, uas yog (Ulma) max≤Ub / K, cov qauv saum toj no K yog qhov seem voltage piv, Ub yog qhov poob voltage ntawm cov khoom tiv thaiv.
Suppressor diode Suppressor diode muaj kev ua haujlwm ntawm clamping thiab limiting voltage. Nws ua haujlwm nyob rau hauv qhov chaw thim rov qab. Vim nws qhov tsis tshua muaj hluav taws xob clamping thiab cov lus teb ceev ceev, nws yog qhov tshwj xeeb tshaj yog tsim rau ob peb theem kawg ntawm kev tiv thaiv hauv ntau theem tiv thaiv circuits. Element.Cov yam ntxwv ntawm volt-ampere ntawm kev tawm tsam diode hauv thaj chaw tawg tuaj yeem raug qhia los ntawm cov qauv hauv qab no: I = CUα, qhov twg α yog cov coefficient nonlinear, rau Zener diode α = 7 ~ 9, hauv avalanche diode α = 5 x7. Kev Txhaum diode Lub ntsiab lus tseem ceeb yog: ⑴ Rated breakdown voltage, uas yog hais txog qhov tawg ntawm qhov hluav taws xob nyob rau hauv cov lus qhia rov qab tam sim no (feem ntau lma). Raws li rau Zener diode, qhov ntsuas qhov hluav taws xob tawg feem ntau yog nyob rau hauv thaj tsam ntawm 2.9V ~ 4.7V, Thiab qhov ntsuas qhov hluav taws xob tawg ntawm avalanche diodes feem ntau nyob rau hauv thaj tsam ntawm 5.6V txog 200V. voltage uas tshwm nyob rau ntawm ob qho kawg ntawm lub raj thaum lub sij hawm loj tam sim no ntawm qhov teev waveform tau dhau los.⑶ Pulse zog: Nws yog hais txog cov khoom ntawm qhov siab tshaj plaws clamping voltage ntawm ob kawg ntawm lub raj thiab qhov sib npaug ntawm tus nqi tam sim no hauv lub raj. raws li qhov teev tam sim no waveform (xws li 10/1000μs). .Qhov kev hloov pauv qhov hluav taws xob rov qab no yuav tsum siab dua qhov siab tshaj qhov ua haujlwm ntawm qhov hluav taws xob tiv thaiv hluav taws xob, uas yog, nws tsis tuaj yeem nyob rau hauv lub zog tsis muaj zog thaum lub cev ua haujlwm ib txwm ua. Qhov siab tshaj plaws rov qab tam sim no ntws hauv lub raj nyob rau hauv qhov kev txiav txim ntawm qhov rov qab hloov pauv voltage.⑹ Lub sij hawm teb: 10-11s Choke coil Lub choke coil yog hom kev cuam tshuam cuam tshuam nrog ferrite ua cov tub ntxhais. Nws muaj ob lub coils ntawm tib qhov loj thiab tib tus naj npawb ntawm cov lem uas yog symmetrically raug mob ntawm tib ferrite Ib tug plaub-terminal ntaus ntawv yog tsim nyob rau hauv lub cev toroidal core, uas muaj ib tug suppressive nyhuv ntawm lub loj inductance ntawm lub hom-hom. teeb liab, tab sis muaj kev cuam tshuam me me ntawm qhov me me inductance rau lub teeb liab sib txawv-hom teeb liab.Kev siv cov choke coils hauv cov kab sib npaug tuaj yeem cuam tshuam cov kev cuam tshuam ntau hom teeb liab (xws li xob laim cuam tshuam) yam tsis muaj kev cuam tshuam rau kev sib kis ntawm cov teeb liab sib txawv ntawm cov line.Lub choke choke yuav tsum ua tau raws li cov cai hauv qab no thaum lub sijhawm tsim khoom: 1) Cov xov hlau qhov txhab ntawm lub coil core yuav tsum tau insulated los ntawm ib leeg los xyuas kom meej tias tsis muaj luv luv-circuit breakdown tshwm sim ntawm lub lem ntawm lub kauj nyob rau hauv qhov kev txiav txim ntawm instantaneous overvoltage. 2) Thaum lub tam sim no loj tam sim no ntws los ntawm lub kauj, cov hlau nplaum yuav tsum tsis txhob saturated. coil los tiv thaiv kev tawg ntawm ob qho tib si nyob rau hauv qhov kev txiav txim ntawm transient overvoltage.4) Lub kauj yuav tsum raug mob hauv ib txheej ntau li ntau tau. Qhov no tuaj yeem txo cov kab mob parasitic capacitance ntawm lub kauj thiab txhim kho lub kauj muaj peev xwm tiv taus tam sim no overvoltage.1/4 wavelength luv-circuit ntaus ntawv 1/4-wavelength luv-circuit ntaus ntawv yog lub microwave teeb liab surge protector ua raws li kev soj ntsuam spectrum ntawm xob laim. nthwv dej thiab sawv yoj txoj kev xav ntawm kav hlau txais xov thiab feeder. Qhov ntev ntawm cov hlau luv luv-circuit bar nyob rau hauv qhov kev tiv thaiv no yog raws li lub teeb liab ua hauj lwm Lub zaus (xws li 900MHZ los yog 1800MHZ) yog txiav txim los ntawm qhov loj ntawm 1/4 wavelength.Qhov ntev ntawm lub parallel shorting bar muaj infinite impedance rau lub zaus ntawm lub teeb liab ua haujlwm, uas yog sib npaug rau qhov qhib Circuit Court thiab tsis cuam tshuam rau kev sib kis ntawm lub teeb liab. Txawm li cas los xij, rau xob laim nthwv dej, vim tias lub zog xob laim feem ntau faib hauv qab n + KHZ, qhov luv luv no Lub teeb yoj impedance yog me me, uas yog sib npaug rau luv luv Circuit Court, thiab xob laim theem tau xau rau hauv av. txoj kab uas hla ntawm 1/4-wavelength luv luv-circuit bar feem ntau yog ob peb millimeters, qhov cuam tshuam tam sim no kuj ua tau zoo, uas tuaj yeem ncav cuag ntau dua 30KA (8/20μs), thiab qhov seem hluav taws xob tsawg heev. Qhov hluav taws xob seem no feem ntau tshwm sim los ntawm qhov luv luv-circuit bar tus kheej inductance. Qhov tsis zoo yog tias lub zog zaus band yog qhov nqaim, thiab bandwidth yog li 2% txog 20%. Lwm qhov tsis txaus yog tias nws tsis tuaj yeem ntxiv DC kev tsis ncaj ncees rau lub kav hlau txais xov feeder, uas txwv qee yam kev siv.

Kev tiv thaiv hierarchical ntawm surge protectors (tseem hu ua xob laim tiv thaiv) hierarchical tiv thaiv Vim lub zog ntawm xob laim tawm tsam loj heev, nws yog ib qho tsim nyog yuav tsum maj mam tso lub zog ntawm xob laim tawm mus rau lub ntiaj teb los ntawm txoj kev hierarchical tawm. Cov cuab yeej tiv thaiv tuaj yeem tso tawm hluav taws xob ncaj qha tam sim no, lossis tso tawm lub zog loj ua haujlwm thaum lub zog xa hluav taws xob ncaj qha los ntawm xob laim. Rau qhov chaw uas muaj hluav taws xob ncaj qha tuaj yeem tshwm sim, CLASS-I kev tiv thaiv xob laim yuav tsum tau nqa tawm.Cov khoom siv tiv thaiv hluav taws xob thib ob yog cov cuab yeej tiv thaiv rau qhov seem hluav taws xob ntawm cov khoom siv tiv thaiv hluav taws xob pem hauv ntej thiab qhov cuam tshuam ntawm xob laim hauv cheeb tsam. . Thaum cov hluav taws xob hluav taws xob nyob rau pem hauv ntej lub zog nqus tau tshwm sim, tseem muaj ib feem ntawm cov khoom siv lossis cov cuab yeej tiv thaiv hluav taws xob thib peb. Nws yog ib tug loj npaum li cas ntawm lub zog uas yuav kis tau tus mob, thiab nws yuav tsum tau ntxiv absorbed los ntawm lub thib ob-theem xob tiv thaiv ntaus ntawv. Tib lub sij hawm, cov kab kis tau tus mob los ntawm cov thawj-theem xob tiv thaiv ntaus ntawv yuav kuj induce xob laim. electromagnetic pulse hluav taws xob LEMP. Thaum txoj kab ntev txaus, lub zog ntawm qhov induced xob laim yuav loj txaus, thiab lub thib ob-theem hluav taws xob tiv thaiv ntaus ntawv yuav tsum tau ntxiv tso tawm lub zog xob laim.Qhov thib peb-theem xob laim tiv thaiv ntaus ntawv tiv thaiv LEMP thiab cov seem hluav taws xob hla dhau. ob-theem hluav taws xob tiv thaiv ntaus ntawv.Lub hom phiaj ntawm thawj theem ntawm kev tiv thaiv yog los tiv thaiv qhov hluav taws xob hluav taws xob los ntawm kev ncaj qha los ntawm LPZ0 cheeb tsam mus rau LPZ1 cheeb tsam, thiab txwv tsis pub cov hluav taws xob hluav taws xob ntawm kaum tawm txhiab mus rau ntau pua txhiab tus. volts mus rau 2500-3000V.Lub hwj chim surge protector ntsia rau ntawm qhov tsawg-voltage sab ntawm lub tsev fais fab transformer yuav tsum yog peb-theem voltage hloov-hom fais fab surge protector raws li thawj theem ntawm kev tiv thaiv, thiab nws cov xob laim flow rate yuav tsum tsis txhob yuav. tsawg dua 60KA.Qhov no theem ntawm lub hwj chim surge protector yuav tsum yog ib tug loj-muaj peev xwm lub hwj chim surge protector txuas ntawm txhua theem ntawm cov khoom xa tuaj ntawm tus neeg siv lub hwj chim mov s ystem thiab hauv av.Nws yog feem ntau yuav tsum tau hais tias qhov no theem ntawm lub hwj chim surge protector muaj ib tug siab tshaj plaws tej yam kev mob peev xwm ntawm ntau tshaj 100KA ib theem, thiab qhov yuav tsum tau txwv voltage yog tsawg tshaj li 1500V, uas yog hu ua CLASS I zog surge protector.Cov electromagnetic xob laim cov cuab yeej tiv thaiv tshwj xeeb yog tsim los tiv thaiv cov hluav taws xob loj ntawm cov hluav taws xob hluav taws xob thiab cov hluav taws xob hluav taws xob thiab kom nyiam cov hluav taws xob muaj zog, uas tuaj yeem cuam tshuam cov dej ntws loj rau hauv av.Lawv tsuas yog muab kev tiv thaiv nruab nrab (qhov siab tshaj qhov hluav taws xob uas tshwm sim ntawm lub kab thaum lub impulse tam sim no ntws los ntawm lub hwj chim surge arrester yog hu ua qhov txwv voltage), vim CLASS I protectors mas nqus loj surge tam sim no. Lawv tsis tuaj yeem tiv thaiv cov khoom siv hluav taws xob tsis zoo hauv cov khoom siv hluav taws xob.Cov thawj-theem hluav taws xob xob laim ntes tuaj yeem tiv thaiv 10/350μs, 100KA xob laim yoj, thiab ncav cuag qhov kev tiv thaiv siab tshaj plaws uas tau teev tseg los ntawm IEC.Cov kev siv yog: tus nqi xob laim ntau dua los yog sib npaug rau 100KA (10/350μs); tus nqi hluav taws xob seem tsis ntau dua 2.5KV; lub sij hawm teb yog tsawg dua los yog sib npaug rau 100ns.Lub hom phiaj ntawm qib thib ob ntawm kev tiv thaiv yog txhawm rau txo tus nqi ntawm qhov seem surge voltage dhau los ntawm thawj theem ntawm xob laim ntes mus rau 1500-2000V, thiab siv equipotential kev sib txuas rau LPZ1- LPZ2.Qhov hluav taws xob tiv thaiv hluav taws xob tawm los ntawm cov khoom siv hluav taws xob faib hluav taws xob yuav tsum yog qhov hluav taws xob txwv hluav taws xob tiv thaiv hluav taws xob raws li qib thib ob ntawm kev tiv thaiv, thiab nws lub peev xwm hluav taws xob tam sim no yuav tsum tsis pub tsawg dua 20KA. Nws yuav tsum tau nruab rau hauv lub substation uas muab lub zog rau cov khoom tseem ceeb lossis cov khoom siv hluav taws xob rhiab heev. Txoj kev faib chaw ua haujlwm.Cov khoom siv hluav taws xob hluav taws xob hluav taws xob no tuaj yeem nqus tau zoo dua qhov seem ntawm lub zog hluav taws xob uas tau dhau los ntawm tus neeg siv hluav taws xob nkag ntawm tus neeg siv lub zog nkag, thiab muaj kev tiv thaiv zoo dua ntawm kev siv hluav taws xob overvoltage.Cov hluav taws xob tiv thaiv hluav taws xob siv ntawm no yuav tsum muaj lub peev xwm siab tshaj plaws. ntawm 45kA los yog ntau tshaj ib theem, thiab qhov yuav tsum tau txwv voltage yuav tsum tsawg tshaj li 1200V. Nws yog hu ua CLASS Ⅱ fais fab surge protector.Cov neeg siv khoom siv hluav taws xob dav dav tuaj yeem ua tiav qhov kev tiv thaiv thib ob kom ua tau raws li qhov yuav tsum tau ua ntawm kev ua haujlwm ntawm cov khoom siv hluav taws xob. Qhov thib ob theem fais fab mov xob laim ntes tau txais C-hom tiv thaiv rau theem-chaw, theem-lub ntiaj teb thiab nruab nrab-lub ntiaj teb kev tiv thaiv tag nrho, feem ntau Cov kev tsis muaj peev xwm yog: lub peev xwm tam sim no xob laim ntau dua lossis sib npaug rau 40KA (8 / 20 μs); qhov seem voltage ncov tus nqi tsis ntau tshaj 1000V; lub sij hawm teb tsis ntau tshaj 25ns.

Lub hom phiaj ntawm qib peb ntawm kev tiv thaiv yog qhov kawg txhais tau tias ntawm kev tiv thaiv cov cuab yeej, txo tus nqi ntawm qhov seem surge voltage kom tsawg dua 1000V, kom lub zog surge yuav tsis ua rau cov khoom puas.Lub zog surge protector ntsia ntawm qhov kawg tuaj. ntawm AC fais fab mov ntawm cov khoom siv hluav taws xob yuav tsum yog cov khoom siv hluav taws xob-txhim kho hluav taws xob tiv thaiv hluav taws xob raws li qib peb ntawm kev tiv thaiv, thiab nws lub peev xwm tam sim no xob laim yuav tsum tsis pub tsawg dua 10KA.Cov kab kawg ntawm kev tiv thaiv tuaj yeem siv lub zog tsim. xob laim ntes nyob rau hauv lub zog sab hauv ntawm cov khoom siv hluav taws xob kom ua tiav lub hom phiaj ntawm kev tshem tawm cov me me hla dhau overvoltage.Lub hwj chim surge tiv thaiv siv ntawm no yuav tsum muaj qhov muaj peev xwm siab tshaj plaws ntawm 20KA lossis tsawg dua rau ib theem, thiab qhov yuav tsum tau muaj qhov txwv voltage yuav tsum tsawg dua. 1000V.Rau qee qhov tshwj xeeb tseem ceeb lossis cov khoom siv hluav taws xob tshwj xeeb, nws yog ib qho tsim nyog yuav tsum muaj qib peb ntawm kev tiv thaiv, thiab nws tuaj yeem ua tau. Yog li tiv thaiv cov khoom siv hluav taws xob los ntawm cov khoom siv hluav taws xob dhau los ntawm lub sijhawm dhau los tsim tawm hauv qhov system.Rau lub tshuab hluav taws xob siv hluav taws xob siv hauv cov khoom siv sib txuas lus microwave, cov khoom siv xov tooj ntawm tes thiab cov khoom siv radar, nws raug nquahu kom xaiv DC fais fab mov hluav taws xob tiv thaiv kom haum rau kev ua haujlwm voltage. qhov kev tiv thaiv zaum kawg raws li kev tiv thaiv kev xav tau ntawm nws cov kev ua haujlwm voltage.Qhov kev tiv thaiv qib plaub thiab saum toj no yog ua raws li qhov kev tiv thaiv voltage ntawm cov khoom tiv thaiv. Yog tias ob theem ntawm kev tiv thaiv xob laim tuaj yeem txwv qhov hluav taws xob kom qis dua qhov kev tiv thaiv hluav taws xob ntawm cov khoom siv, tsuas yog yuav tsum muaj ob theem kev tiv thaiv. Yog tias cov cuab yeej muaj qhov qis dua qhov hluav taws xob tiv thaiv, Tej zaum yuav xav tau plaub lossis ntau qib ntawm kev tiv thaiv.Lub peev xwm tam sim no ntawm qib plaub tiv thaiv yuav tsum tsis pub tsawg dua 5KA.[3] Lub hauv paus ntsiab lus ua haujlwm ntawm kev faib tawm ntawm kev tiv thaiv hluav taws xob tau muab faib ua ⒈ hloov hom: nws txoj hauv kev ua haujlwm yog tias thaum tsis muaj hluav taws xob tam sim ntawd, nws nthuav tawm qhov siab impedance, tab sis thaum nws teb rau xob laim overvoltage, nws impedance dheev hloov mus rau ib qho. Tus nqi qis, tso cai rau xob laim Tam sim no hla.Thaum siv cov khoom siv zoo li no, cov khoom siv suav nrog: qhov sib txawv ntawm cov pa tawm, lub raj xa hluav taws xob, thyristor, thiab lwm yam. qhov nce ntawm surge tam sim no thiab voltage, nws impedance yuav txo qis, thiab nws cov yam ntxwv tam sim no-voltage muaj zog nonlinear.Cov khoom siv zoo li no yog: zinc oxide, varistors, suppressor diodes, avalanche diodes, thiab lwm yam.⒊ Shunt hom lossis choke hom shunt hom: txuas nyob rau hauv parallel nrog cov cuab yeej tiv thaiv, nws nthuav tawm lub impedance qis rau lub teeb mem tes, thiab nthuav tawm lub siab impedance rau qhov qub op erating zaus.Choke hom: Nyob rau hauv series nrog cov khoom tiv thaiv, nws nthuav tawm siab impedance rau xob laim pulses, thiab nthuav tawm impedance qis rau ib txwm ua haujlwm frequencies.Cov cuab yeej siv rau cov khoom siv xws li: choke coils, high-pass lim, low-pass lim , 1/4 wavelength short-circuit devices, thiab lwm yam.

Raws li lub hom phiaj (1) Lub zog tiv thaiv: AC lub zog tiv thaiv, DC lub zog tiv thaiv, hloov hluav taws xob tiv thaiv, thiab lwm yam.The AC lub zog hluav taws xob tiv thaiv module yog tsim rau kev tiv thaiv hluav taws xob ntawm chav faib hluav taws xob, hluav taws xob faib khoom, hloov khoom siv, AC thiab DC fais fab faib vaj huam sib luag, thiab lwm yam.; Muaj cov khoom siv hluav taws xob tawm sab nraud hauv lub tsev, thiab lub tsev hauv pem teb fais fab faib lub thawv; Lub zog yoj Surge tiv thaiv yog siv rau cov hluav taws xob qis (220/380VAC) cov phiaj xwm hluav taws xob thiab cov phiaj xwm pej xeem; nyob rau hauv lub tshuab fais fab, lawv tsuas yog siv rau peb-theem fais fab input los yog tso zis nyob rau hauv lub hwj chim mov vaj huam sib luag ntawm lub ntsiab tswj chav tsev automation thiab substation. ; DC cov khoom siv hluav taws xob; DC fais fab faib lub thawv; electronic information system txee; Cov khoom siv hluav taws xob tso tawm ntawm cov khoom siv hluav taws xob theem nrab.⑵Signal protector: low-frequency signal protector, high-frequency signal protector, antenna feeder protector, etc.The Scope of application of the network signal xob tiv thaiv ntaus ntawv yog siv rau 10/100Mbps SWITCH, HUB, ROUTER thiab lwm yam khoom siv network xob laim thiab xob laim electromagnetic mem tes induced overvoltage tiv thaiv; · Network chav network hloov kev tiv thaiv; · Network chav neeg rau zaub mov tiv thaiv; · Network chav lwm Kev Tiv Thaiv cov khoom siv nrog lub network interface; · 24-chaw nres nkoj integrated xob tiv thaiv lub thawv yog tsuas yog siv rau centralized kev tiv thaiv ntawm ntau lub teeb liab raws nyob rau hauv kev sib txuas network txee thiab ceg hloov txee. Teeb liab surge protectors. Cov teeb liab hluav taws xob tiv thaiv cov cuab yeej siv yeeb yaj kiab feem ntau yog siv rau cov khoom siv hluav taws xob taw tes rau-taw tes. Kev tiv thaiv kev sib koom ua ke tuaj yeem tiv thaiv txhua yam ntawm cov khoom siv video kis tau tus mob los ntawm cov teeb meem tshwm sim los ntawm kev cuam tshuam ntawm xob laim thiab surge voltage los ntawm cov teeb liab kis kab mob, thiab nws tseem muaj feem xyuam rau RF kis tau tus mob nyob rau hauv tib lub zog ua hauj lwm. Kev tiv thaiv lub thawv yog tsuas yog siv rau kev tiv thaiv hauv nruab nrab ntawm kev tswj cov khoom siv xws li hard disk video recorders thiab video cutters nyob rau hauv lub integrated tswj txee.


Post lub sij hawm: Nov-25-2021