Cov Kev Tiv Thaiv Kev Ntaus Tshawb Xyuas Ntaus (AC thiab DC HWJ HUAM, HNIAV, HNAV, ROJ HOM)

Kev Tiv Thaiv Surge Device (los yog phais hluav taws xob lossis cov kws phais hluav taws xob) yog cov khoom siv lossis cov cuab yeej tsim los tiv thaiv cov khoom siv hluav taws xob los ntawm kev xaim hluav taws xob. Tus tiv thaiv hluav taws xob sim ua kom tsis txhob muaj qhov hluav taws xob xa mus rau lub tshuab hluav taws xob los ntawm kev thaiv lossis luv luv rau hauv av txhua qhov ntsuas tsis tau tso siab tshaj qhov ntsuas kev nyab xeeb. Kab lus no feem ntau tham txog cov ntsiab lus tshwj xeeb thiab cov feem uas cuam tshuam nrog cov hom tiv thaiv uas diverts (luv) luv voltage nce mus rau hauv av; txawm li cas los xij, muaj qee qhov kev tiv thaiv ntawm lwm txoj hauv kev.

Lub thawv hluav taws xob nrog cov tiv thaiv kab mob thaiv thiab ntau qhov hluav taws xob
Cov lus hais kev tiv thaiv cov cuab yeej tiv thaiv (SPD) thiab cov hloov hluav taws xob tsis siv hluav taws xob (TVSS) yog siv los piav qhia cov khoom siv hluav taws xob feem ntau tau nruab rau hauv lub hwj huam faib hluav taws xob, cov txheej txheem tswj kev sib txuas lus, kev sib txuas lus, thiab lwm cov tshuab ua haujlwm hnyav, rau lub hom phiaj tiv thaiv hluav taws xob surges thiab spikes, nrog rau cov uas tshwm sim los ntawm xob laim. Cov qauv qis ntawm cov khoom siv no qee zaum tau teeb tsa hauv cov chaw pabcuam nkag hluav taws xob, tiv thaiv cov cuab yeej hauv tsev neeg los ntawm cov xwm txheej zoo ib yam.

AC Surge Protection Device Txheej txheem cej luam

Txheej txheem cej luam ntawm Kev Hloov Overvoltages

Cov neeg siv cov khoom siv hluav taws xob thiab xov tooj thiab cov ntaub ntawv tsim cov txheej txheem yuav tsum ntsib cov teeb meem ntawm kev ua kom cov cuab yeej no tau ua tiav txawm tias qhov hloov pauv tau dhau los ntawm xob laim. Muaj ntau lub laj thawj rau qhov tseeb no (1) qib siab ntawm kev sib koom ua ke ntawm cov khoom siv hluav taws xob ua rau cov cuab yeej siv tau yooj yim, (2) cuam tshuam kev pabcuam tsis raug cai (3) cov ntaub ntawv xaib sib txuas npog thaj chaw loj thiab raug cuam tshuam ntau cuam tshuam.

Kev hloov pauv tsis dhau muaj peb qho tseem ceeb:

  • xob laim
  • Kev lag luam thiab hloov chaw surges
  • Kev Ntsuas Hluav Taws Xob (ESD)ACImageoverview

xob laim

Xob laim, tshawb nrhiav txij li yawg Benjamin Franklin thawj qhov kev tshawb fawb xyoo 1749, dhau los ua qhov tsis txaus ntshai rau peb cov kev siv hluav taws xob ntau.

Xob tsim

Xob laim xob laim hluav taws xob tsim nyob nruab nrab ntawm ob thaj chaw ntawm lub tsub sib tw, feem ntau ntawm ob qho huab cua daj cua dub lossis nruab nrab ntawm ib lub huab thiab hauv av.

Lub eeb yuav mus ob peb mais, mus rau hauv av hauv qhov ua tau zoo heev: tus thawj coj tsim tau cov channel ionized heev. Thaum nws nce mus txog hauv av, qhov nyem lossis rov qab mob stroke yuav siv qhov chaw. Ib qhov tam sim no hauv kaum tawm txhiab tus ntawm Amperes yuav tom qab ntawd taug kev hauv av mus rau huab los yog rov qab hloov mus rau ntawm ionized channel.

Xob Kaj Siab

Thaum lub sijhawm tso tawm, muaj lub zog hloov tam sim no uas nyob ntawm 1,000 txog 200,000 Amperes ncov, nrog lub sijhawm nce ntawm li ob peb microseconds. Qhov kev ncaj qha no yog qhov ua rau me me rau kev puas tsuaj rau hluav taws xob thiab hluav taws xob vim tias nws muaj ntau hauv cheeb tsam.
Qhov kev tiv thaiv zoo tshaj plaws tseem yog lub qub xob laim qws lossis Cov Cuab Yeej Siv Hluav Taws Xob (LPS), tsim los ntes cov paug tawm tam sim no thiab coj nws mus rau ib qho chaw.

Indirect zoo

Muaj peb hom kev cuam tshuam ntawm lub teeb ncaj ncaj:

Qhov cuam tshuam rau ntawm kab nyiaj siv ua haujlwm

Cov kab zoo li no nthuav tawm heev thiab tej zaum yuav raug hluav taws xob ncaj qha los ntawm xob laim, uas yuav ua ntej ib feem lossis tag ua cov kab hluav taws xob rhuav tshem, thiab tom qab ntawd ua rau cov kab hluav taws xob ntau uas mus ncig raws li kev coj ua mus rau cov kab txuas nrog. Qhov nruab nrab ntawm kev puas tsuaj yog nyob ntawm qhov kev ncua deb ntawm kev tawm tsam thiab khoom siv.

Qhov nce nyob hauv av muaj peev xwm

Kev ntws ntawm xob laim ntawm hauv av ua rau lub ntiaj teb muaj peev xwm nce ntxiv uas sib txawv raws li cov kev siv tam sim no thiab lub ntiaj teb av impedance. Hauv kev teeb tsa uas txuas nrog rau ntau thaj chaw (piv txwv li txuas ntawm cov tuam tsev), kev tawm tsam yuav ua rau muaj qhov sib txawv loj heev thiab cov cuab yeej txuas nrog cov tes hauj lwm cuam tshuam yuav raug rhuav tshem lossis cuam tshuam loj.

Hluav taws xob hluav taws xob

Lub eeb yuav pom tias yog lub kav hlau txais xov ob peb mais siab nqa qhov tam sim no ntawm ob peb feem kaum ntawm kilo-amperes, radiating electromagnetic teb (ntau kV / m ntawm ntau tshaj 1km). Cov teb no ua rau muaj kev tiv thaiv siab thiab cov dej ntws tam sim no hauv cov kab nyob ze lossis ntawm cov cuab yeej. Cov txiaj ntsig nyob ntawm qhov deb ntawm lub eeb thiab cov khoom muaj sib txuas.

Kev Tsim Kho Muaj Kev Lag Luam
Cov kev lag luam hnyav npog ib qho xwm txheej tshwm sim los ntawm kev hloov pob hluav taws xob.
Kev lag luam surges yog tshwm sim los ntawm:

  • Pib lub cev muaj zog lossis hloov pauv
  • Neon thiab sodium lub teeb pib
  • Hloov tes hauj lwm muaj hwj chim
  • Hloov "bounce" nyob rau hauv qhov kev sib txuas lus siab
  • Kev ua haujlwm ntawm fuses thiab Circuit Court tej fais fab
  • Poob kab fais fab
  • Cov neeg tsis zoo los sis cuam tshuam

Cov xwm txheej no ua rau muaj qhov hloov ntawm ob peb kV nrog nce lub sijhawm ntawm qhov kev txiav txim ntawm microsecond, cov khoom siv sib txawv hauv kev sib txuas uas tau muab qhov kev cuam tshuam los sib txuas.

Kev Xaiv Hluav Taws Xob

Lub tshuab hluav taws xob, tib neeg muaj lub peev xwm ntawm 100 txog 300 picofarads thiab tuaj yeem khaws tus nqi kom ntau li 15kV los ntawm taug kev ntawm cov ntaub pua plag, tom qab ntawd kov qee qhov kev coj ua thiab raug rho tawm hauv ob peb microseconds, nrog qhov tam sim no ntawm kaum Amperes Cov. Txhua qhov kev sib xyaw ua ke (CMOS, thiab lwm yam) yog qhov tsis yooj yim rau qhov kev cuam tshuam zoo li no, uas feem ntau tshem tawm ntawm kev thaiv thiab tiv thaiv av.

Qhov cuam tshuam ntawm Overvoltages

Overvoltages muaj ntau hom kev cuam tshuam ntawm cov cuab yeej hluav taws xob hauv qhov kev txiav txim ntawm txo qhov tseem ceeb:

Puas tsuaj:

  • Voltage seem ntawm semiconductor hlws ris
  • Kev puas tsuaj ntawm kev khi ntawm lub Cheebtsam
  • Puas rau kev taug ntawm PCBs lossis tiv tauj
  • Kev rhuav tshem ntawm kev sim / thyristors los ntawm dV / dt.

Qhov cuam tshuam nrog kev ua haujlwm:

  • Kev ua haujlwm hnyav ntawm latches, thyristors, thiab triacs
  • Cov lwv ntawm nco
  • Kev pab cuam yuam kev lossis tsheb sib nraus
  • Cov ntaub ntawv thiab xa kis yuam kev

Kev laus:

Cheebtsam raug overvoltages muaj lub neej luv.

Kev Tiv Thaiv Kev Tiv Thaiv

Surge Protection Device (SPD) yog ib txoj kev lees paub thiab muaj txiaj ntsig zoo los daws cov teeb meem overvoltage. Rau cov txiaj ntsig zoo tshaj plaws, txawm li cas los xij, nws yuav tsum raug xaiv raws li kev pheej hmoo ntawm daim ntawv thov thiab teeb tsa raws li txoj cai ntawm kev kos duab.

DC Power Surge Protection Khoom Txheej txheem cej luam

Xav Txog Kev Tiv Thaiv Yav Tom Ntej thiab Kev Tiv Thaiv

Chaw Tso Dej-Sib Tham lossis Grid-Tie Solar Photovoltaic (PV) Cov Qauv Nruab Nrab yog qhov xav tau thiab siv nyiaj ntau. Lawv feem ntau xav kom lub Hnub Ci PV System ua haujlwm tau ntau ntau xyoo lawm ua ntej nws tuaj yeem xa tawm qhov xav tau rov qab los ntawm kev nqis peev.
Ntau lub chaw tsim khoom yuav tuaj yeem lav tus kab ke lub neej ntawm ntau dua 20 xyoo thaum lub inverter feem ntau lav tau tsuas yog 5-10 xyoo xwb. Tag nrho cov nqi thiab xa rov qab los ntawm kev nqis peev tau suav nrog cov sijhawm no. Txawm li cas los xij, ntau lub tshuab PV tsis nce mus txog qhov tsis txaus ntseeg vim muaj kev cuam tshuam cov xwm txheej ntawm cov ntawv thov no thiab nws cov kev sib tshuam rov los rau AC daim phiaj siv hluav taws xob. Lub hnub ci PV arrays, nrog nws cov xim hlau ua kab thiab mounted hauv qhov qhib lossis ntawm taw saum npoo av, ua qhov hluav taws xob zoo qws. Vim li no, nws thiaj tsim nyog nqis peev rau qhov Surge Tiv Thaiv Ntaus lossis SPD los tshem tawm cov kev hem thawj no thiab yog li ua kom lub tshuab ua kom lub neej ntev dua. Tus nqi rau kev tiv thaiv kev tiv thaiv kom hnyav yuav tsum tsawg dua 1% ntawm tag nrho cov kev siv nyiaj. Nco ntsoov siv cov feem uas yog UL1449 4 tsab thiab yog Hom 1 Cheebtsam Txheeb Xyuas (1CA) txhawm rau paub tseeb tias koj lub kaw lus muaj kev tiv thaiv zoo tshaj plaws muaj nyob rau hauv khw.

Txhawm rau soj ntsuam tag nrho kev hem thawj ntawm kev teeb tsa, peb yuav tsum ua qhov kev soj ntsuam pheej hmoo.

  • Lub Sijhawm Ua Haujlwm Downtime Kev Nyab Xeeb - Thaj chaw uas muaj qhov hluav taws xob nrawm thiab tsis siv hluav taws xob ntau yog tsis muaj zog ntau.
  • Fais Fab Kev Sib Txuas Sib Pauv - ntau dua thaj tsam thaj tsam ntawm lub hnub ci PV array, qhov ntau raug cuam tshuam rau cov hluav taws xob ncaj qha thiab / los cuam tshuam.
  • Daim Ntawv Thov Thaj Tsam Thaj Chaw Muaj Teeb Meem - AC daim phiaj siv hluav taws xob yog qhov yuav muaj kev hloov pauv hloov pauv thiab / lossis laim hluav taws xob surges.
  • Kev Peev Txheej Txheem Ze - Qhov yuav tshwm sim ntawm lub sijhawm kev ua haujlwm tsis yog tsuas pub hloov cov khoom siv. Cov kev poob ntxiv tuaj yeem yog los ntawm cov xaj ploj, cov neeg ua haujlwm tsis txaus, ua haujlwm dhau sijhawm, cov neeg tsis txaus siab / kev tswj hwm tsis txaus siab, thauj khoom sai thiab cov nqi thauj khoom sai.

Kom Cov Kev Coj Ua

1) Qhov Kev Ntsuas

Surge Protectors shunt hloov pauv mus rau qhov av hauv ntiaj teb. Ib txoj hauv kev qis hauv av qis, ntawm tib lub peev xwm, nws yog qhov tseem ceeb rau cov tiv thaiv qoj ib ce kom ua haujlwm kom raug. Txhua lub zog hluav taws xob, kab kev sib txuas lus, kev sib tw thiab ungrounded nws yog xim hlau khoom siv yuav tsum tau txais kev sib txig sib luag rau txoj haujlwm tiv thaiv kom ua haujlwm tau txais txiaj ntsig.

2) Qhov Txuas Hluav Taws Xob los ntawm Sab Nraud PV Array rau Cov Khoom Hluav Taws Xob

Yog tias ua tau, kev sib txuas ntawm Cov Hluav Taws Xob Hnub Ci PV Sab Nraud thiab cov cuab yeej siv hluav taws xob sab hauv yuav tsum yog hauv av lossis hluav taws xob tiv thaiv kom tsis txhob cuam tshuam qhov txaus ntshai ntawm cov hluav taws xob ncaj qha thiab / lossis txuas.

3) Cov Haujlwm Saib Xyuas Kev Tiv Thaiv

Txhua lub zog thiab kev sib txuas lus sib txuas lus yuav tsum kho nrog kev tiv thaiv kom zoo mus rau kev tshem tawm PV system tsis muaj zog. Qhov no yuav suav nrog thawj ua hluav taws xob AC cov khoom siv hluav taws xob, Inverter AC cov khoom tso tawm, Inverter DC cov tswv yim, PV txoj hlua txuas thiab lwm yam ntaub ntawv / cov kab taw qhia xws li Gigabit Ethernet, RS-485, 4-20mA lub voj tam sim no, PT-100, RTD, thiab tes hloov xov tooj.

Cov Ntaub Ntawv Kab Ntaus Kev Tiv Thaiv Ntaus Khoom Txheej txheem cej luam

Xov Kab Lus Qhia

Kev sib txuas lus xov tooj thiab cov ntaub ntawv xa khoom (PBX, qauv hloov pauv, cov ntaub ntawv cov ntsiab lus, sensors, thiab lwm yam ...) yog qhov muaj kev cuam tshuam rau cov hluav taws xob ntau ntxiv rau hluav taws xob. Lawv tau dhau los ua kev nkag siab ntau dua, nyuaj thiab muaj kev tiv thaiv qhov tsis yooj yim kom tau txais txiaj ntsig vim lawv qhov kev sib txuas tau zoo nyob thoob ob peb lub vev xaib sib txawv. Cov cuab yeej siv no tseem ceeb heev rau cov tuam txhab kev sib txuas lus thiab kev ua ntaub ntawv. Raws li qhov no, nws yog ib qho muaj nuj nqis los raug pov hwm lawv tiv thaiv cov xwm txheej uas yuav tsim nyog thiab cuam tshuam no. Ib cov ntaub ntawv kab thaiv cov khoom tiv thaiv tau teeb tsa hauv-kab, ncaj qha nyob rau hauv pem hauv ntej ntawm cov khoom siv rhiab yuav ua rau lawv lub neej muaj txiaj ntsig thiab tswj kev txuas ntxiv ntawm qhov khiav ntawm koj cov ntaub ntawv.

Technology ntawm Kev Tiv Thaiv Kev Tiv Thaiv

Txhua lub xov tooj LSP thiab cov ntaub ntawv kab thaiv kab ke tiv thaiv yog nyob ntawm kev txhim khu kev qha multistage hybrid Circuit Court uas sib xyaw cov haujlwm hnyav roj paug roj (GDTs) thiab ceev teb Silicon Avalanche Diodes (SADs). Hom Circuit Court muab,

  • 5kA Tso Tawm Chaw tam sim no (15 lub sijhawm tsis muaj kev puas tsuaj rau IEC 61643)
  • Tsawg dua 1 nanosecond teb lub sijhawm
  • Ua tsis taus haujlwm uas tsis muaj teeb meem loj
  • Tsis tshua muaj capacitance tsim minimizes teeb liab poob

Cov Lus Rau Kev Xaiv Ib Qhov Kev Tiv Thaiv Ib Ntxig

Txhawm rau xaiv qhov tseeb surge tiv thaiv rau koj cov teeb tsa, khaws cia cov hauv qab no:

  • Nominal thiab Ntau Tshaj Kab Cov Kab Voltages
  • Siab Kawg Nkaus
  • Tus naj npawb ntawm kab
  • Cov Ntaub Ntawv Kev Thauj Mus Los Ceev
  • Hom Txuas (Ntsia Hlau Rau Ib Vuag, RJ, ATT110, QC66)
  • Mounting (Din Rail, Nto Mount)

installation

Yuav kom ua tau zoo, tus tiv thaiv tus kws phais yuav tsum tau teeb tsa raws li cov qauv hauv qab no.

Qhov chaw nyob hauv av ntawm tus tiv thaiv tsaj lij thiab ntawm cov khoom siv tiv thaiv yuav tsum tau ua ke nrog.
Qhov kev tiv thaiv yog teeb tsa ntawm qhov kev pabcuam nkag ntawm lub installation kom hloov qhov teeb meem tam sim no sai li sai tau
Tus tiv thaiv kab mob yuav tsum tau muab nruab rau qhov chaw nyob ze, tsawg dua 90 ko taw lossis 30 metres) rau cov khoom tiv thaiv. Yog tias txoj cai no tsis tuaj yeem ua raws, cov neeg tiv thaiv tsaj theem ob yuav tsum tau muab nruab rau ze cov cuab yeej.
Tus txheej txheem tsuj av (nyob nruab nrab ntawm lub ntiaj teb tso tawm ntawm lub pob hluav taws thiab cov teeb tsa txuas tsev txuas) yuav tsum yog luv li sai tau (tsawg dua 1.5 ko taw lossis 0.50 metres) thiab muaj qhov chaw hla ntu ntawm qhov tsawg kawg 2.5 mm squared.
Lub ntiaj teb tsis kam yuav tsum ua raws li txoj cai hluav taws xob hauv zos. Tsis muaj pob ntseg tshwj xeeb yog tsim nyog.
Txoj kev tiv thaiv thiab kev tiv thaiv uas tsis muaj kev tiv thaiv yuav tsum muab khaws cia kom zoo kom tsis txhob muaj kev sib haum xeeb.

TXHEEM

Cov Qauv Ntsuas thiab cov lus qhia kev teeb tsa rau kev sib txuas lus kab kws tiv thaiv yuav tsum ua raws li cov qauv hauv qab no:

UL497B: Cov tiv thaiv rau cov ntaub ntawv kev sib txuas lus thiab hluav taws kub
IEC 61643-21: Kev Tshuaj Ntsuam Rau Cov Neeg Tiv Thaiv Surge Rau Cov Kab Kev Sib Txuas Lus
IEC 61643-22; Kev Xaiv / Tso Tawm ntawm Cov Neeg Tiv Thaiv Surge Rau Cov Kab Sib Txuas Lus
NF EN 61643-21: Kev Tshuaj Ntsuam Rau Cov Neeg Tiv Thaiv Hluav Taws Xob rau Cov Kab Kev Sib Txuas Lus
Phau Ntawv Qhia UTE C15-443: Xaiv / Teeb tsa ntawm Kev Tiv Thaiv Surge

Cov mob tshwj xeeb: Cov Hluav Taws Xob Tiv Thaiv Hluav Taws Xob

Yog tias cov qauv yuav raug tiv thaiv yog nruab nrog LPS (Xob laim Kev Tiv Thaiv Kev Tshawb Fawb), cov neeg tiv thaiv hluav taws xob rau cov xov tooj lossis cov ntaub ntawv uas tau teeb tsa rau ntawm cov tuam tsev cov kev pabcuam nkag yuav tsum tau sim rau lub teeb hluav taws xob ncaj ncaj 10 / 350us yoj daim ntawv nrog qhov tsawg kawg nkaus dej siab tam sim no ntawm 2.5kA (D1 qeb kuaj IEC-61643-21).

Coaxial Surge Protection Device Txheej txheem cej luam

Kev Tiv Thaiv Rau Cov Xov Tooj Cua Txuas

Xov tooj cua sib txuas lus siv hauv chaw ruaj, teeb tsa lossis xov tooj ntawm tes tau tshwj xeeb tshaj yog muaj hluav taws xob tsis zoo vim tias lawv thov hauv thaj chaw raug. Qhov cuam tshuam cuam tshuam txog kev pabcuam txuas ntxiv tau tshwm sim los ntawm kev thauj mus los ntawm cov khoom siv hluav taws xob ncaj qha mus rau lub kav hlau txais xov, ib puag ncig hauv av los yog tsim kev sib txuas ntawm ob thaj chaw no.
Cov khoom siv hauv xov tooj cua siv hauv CDMA, GSM / UMTS, WiMAX lossis TETRA lub hauv paus, yuav tsum xav txog qhov kev pheej hmoo no txhawm rau txhawm rau ua kom tsis muaj kev cuam tshuam. LSP muaj peb hom kev tiv thaiv kev tiv thaiv kom zoo rau xov tooj cua Pauv (RF) kev sib txuas lus uas tau tsim kom haum rau cov kev ua haujlwm sib txawv ntawm txhua qhov system.

RF Surge Protection Tshuab
Roj Tube Tube DC Tiv Thaiv
P8AX series

Gas Discharge Tube (GDT) DC Pass Kev Tiv Thaiv yog qhov tsuas tiv thaiv kev tivthaiv uas siv tau ntawm cov hluav taws xob kis loj heev (txog 6 GHz) vim nws lub zog tsis tshua muaj hluav taws xob. Hauv GDT raws li coaxial surge tiv thaiv, GDT yog kev sib txuas ntawm cov nruab nrab ntawm tus nruab nrab hauv nruab nrab thiab daim thaiv npog sab nraud. Cov cuab yeej ua haujlwm thaum nws cov hluav taws xob hloov hluav taws xob mus txog, thaum lub sijhawm muaj kev tiv thaiv overvoltage thiab cov kab luv luv (arc voltage) thiab hloov mus deb ntawm cov khoom siv rhiab. Lub txim taws hluav taws xob nyob ntawm lub hauv ntej nce siab ntawm overvoltage. Qhov siab dua qhov dV / dt ntawm overvoltage, qhov ntau dua qhov hluav taws xob muaj zog ntawm cov tiv thaiv kab mob. Thaum lub overvoltage ploj, lub roj tawm ntawm lub raj xa rov qab mus rau nws qhov qub, qhov qis nkag hauv lub xeev thiab npaj siab ua haujlwm dua.
GDT tau tuav rau hauv tus tsim tshwj xeeb uas tuav kev sib tw loj thaum lub sijhawm loj thiab tseem yooj yim tshem tawm yog tias tu yuav tsum tau vim qhov kawg ntawm lub neej. P8AX koob tuaj yeem siv rau ntawm coaxial kab ua haujlwm khiav DC voltages mus txog - / + 48V DC.

Kev Tiv Thaiv Hybrid
DC Pass - CXF60 series
DC Thaiv - CNP-DCB series

Kev Tiv Thaiv Hybrid DC Pass yog lub koom haum ua lim dej thiab cov roj hnyav tso pa tawm (GDT). Qhov kev tsim qauv no muab cov hluav taws xob tsis tshua zoo tso tawm los ntawm hluav taws xob rau cov hluav taws xob tsawg tsawg vim muaj hluav taws xob hloov pauv thiab tseem muab lub zog loj tam sim no muaj peev xwm.

Lub Plaub Hlis Wave DC Thaiv Kev Tiv Thaiv
PRC series

Lub Plaub Hlis Wave DC Thaiv Kev Tiv Thaiv yog qhov kev ua kom cov seev cev kis lim. Nws tsis muaj lub Cheebtsam tsis nquag. Theej lub cev thiab ncauj lus coj xaj tig mus rau ib lub quarter ntawm qhov xav tau ntev tshaj plaws. Qhov no tso cai tsuas yog ib qho kev qhia txoj hlua xa ncaj los hla cov ntsuas. Txij li xob laim ua haujlwm tsuas yog ntawm lub teeb me me, los ntawm ob peb puas kHz mus rau ob peb MHz, nws thiab tag nrho lwm qhov zaus muaj luv luv-rau hauv av. PRC thev naus laus zis tuaj yeem raug xaiv rau txoj kab nqaim nqaim lossis cov pab pawg dav nyob ntawm daim ntawv thov. Tib qho kev txwv tsuas yog rau kev nce qib tam sim no yog yam txuas txuas. Feem ntau, 7/16 Din connector tuaj yeem tswj tau 100kA 8 / 20us thaum ib tus N-connector txuas tuaj yeem lis 50kA 8 / 20us.

Coaxial-Surge-Protection-Txheej txheem cej luam

TXHEEM

UL497E - Cov Tiv Thaiv rau Cov Kav Hluav Taws Xob Kav Hlau Kav Los Ua Hluav Taws Xob

Cov Qauv rau Xaiv Tus Coaxial Surge Protector

Cov ntaub ntawv xav tau los xaiv kom zoo rau cov kws tiv thaiv mob rau koj daim ntawv thov yog cov hauv qab no:

  • zaus khwv
  • Tus Kab Muag Khoom Voltage
  • connector hom
  • Tub los ntxhais Hom
  • Mounting
  • technology

INSTALLATION

Kev tsim kho kom zoo ntawm kev tiv thaiv coaxial surge tiv thaiv feem ntau yog nyob ntawm nws txoj kev txuas rau lub qis qis qis qis qis qis. Cov cai hauv qab no yuav tsum muaj kev nruj me ntsis:

  • Equipotential Grounding System: Txhua txoj kab sib txuas ntawm txoj kev teeb tsa yuav tsum sib cuam tshuam rau txhua lwm yam thiab txuas rov qab mus rau cov kab ke hauv av.
  • Tsis tshua muaj kev cuam tshuam qhov txuas: Cov coaxial surge tiv thaiv yuav tsum muaj kom muaj kev tiv thaiv qis ntawm kev sib txuas nrog hauv av.

Roj paug saib ib muag

Kev Tiv Thaiv rau PC Cheeb Tsam qib Theem

Niaj hnub no microprocessor-hauv cov khoom siv hluav taws xob ua rau muaj kev cuam tshuam tsis zoo rau cov hluav taws xob hloov hluav taws xob thiab cov hloov hluav taws xob hloov vim tias lawv tau hnov ​​dua, thiab ua txoj hauv kev tiv thaiv vim lawv qhov siab nti ntom ntuag, binary logic lub luag haujlwm thiab kev sib txuas thoob plaws cov network sib txawv. Cov cuab yeej siv no tseem ceeb rau lub tuam txhab kev sib txuas lus thiab kev ua cov ntaub ntawv thiab feem ntau tuaj yeem muaj qhov cuam tshuam rau hauv qab kab; xws li nws yog qhov muaj peev xwm los xyuas kom lawv tiv thaiv cov xwm txheej uas tau nyiaj ntau thiab muaj kev cuam tshuam. Kev Siv Lub Tshuab Hluav Taws Xob Hluav Taws Xob lossis GDT tuaj yeem siv cov khoom siv ib leeg los yog sib xyaw ua ke nrog lwm cov khoom siv los ua lub thaiv hluav taws xob tiv thaiv kev sib tw - lub raj xa hluav taws xob ua haujlwm lub zog siab tuav tivthaiv. GDT's feem ntau tso rau hauv kev tiv thaiv kev tiv thaiv kev sib txuas lus thiab cov ntaub ntawv kab hluav taws xob DC daim ntawv thov vim tias nws lub peev xwm tsawg heev. Txawm li cas los xij, lawv muab cov txiaj ntsig zoo nkauj rau AC fais fab kab hluav taws xob suav nrog tsis muaj xaim hluav taws xob tam sim no, ua kom muaj lub zog loj thiab ua kom zoo dua qub ntawm lub neej yam ntxwv.

MUS SAIB TUBE TUBE TECHNOLOGY

Lub raj xa hluav taws xob roj tuaj yeem suav tias yog qhov hloov nrawm nrawm nrog lub zog ua qauv uas hloov tau nrawm heev, thaum tawg tshwm sim, los ntawm qhib-Circuit Court mus rau quasi-luv Circuit Court (arc voltage txog 20V). Muaj raws li plaub qhov chaw ua haujlwm nyob hauv tus cwj pwm ntawm cov pa tawm ntawm cov leeg:
gdt_labels

Tej zaum GDT yuav suav tias yog kev hloov nrawm dua nrog kev coj cov khoom uas hloov sai heev thaum muaj kev tawg tshwm sim thiab hloov los ntawm kev qhib hluav taws xob mus rau ib qho luv luv Circuit Court. Qhov tshwm sim yog arc voltage ntawm txog 20V DC. Muaj plaub theem kev ua haujlwm ua ntej lub raj xa hluav taws xob tag nrho.

  • Kev tsis ua hauj lwm tus sau: Cim los ntawm kev ua tsis zoo rwb thaiv tsev rwb thaiv tsev.
  • Glow domain: Ntawm qhov tawg, qhov kev coj ua sai sai. Yog tias qhov tam sim no tso tawm los ntawm cov pa tawm ntawm lub raj xa hluav taws xob tsawg dua li 0.5A (tus nqi ntxhib uas txawv ntawm kev sib txuas rau cov khoom siv tiv thaiv), qhov hluav taws xob tsawg thoob plaws cov nqe lus yuav nyob hauv 80-100V ntau.
  • Arc kev tswj hwm: Raws li qhov tam sim no nce ntxiv, cov pa roj paug tawm hloov ntawm qhov hluav taws xob qis mus rau qhov hluav taws xob arc voltage (20V). Nws yog qhov sau no tias lub raj xa hluav taws xob tso tawm tau zoo tshaj plaws vim tias kev tawm tam sim no tuaj yeem ncav ntau txhiab amperes yam tsis muaj qhov hluav taws xob arc thoob plaws cov nqe lus nce ntxiv.
  • Txuas: ntawm kev tsis ncaj ncees voltage ze sib npaug ntawm qhov ntsuas hluav taws xob tsawg, lub roj tawm ntawm lub raj tso pa npog nws qhov pib insulating lub zog.

gdt_ kab3-Xaiv Hluav Taws Xob

Tiv thaiv ob txoj kab hlau xov tooj (piv txwv li ib khub xov tooj) nrog ob lub tshuab hluav taws xob 2-electrode roj yuav ua rau muaj teeb meem li nram no:
Yog hais tias tiv thaiv kab yog raug rau overvoltage nyob rau hauv hom, cov dispersion ntawm cov hluav taws xob overvoltages (+/- 20%), ib qho ntawm cov pa tawm ntawm cov leeg roj tawg nyob rau lub sijhawm luv heev ua ntej sib (feem ntau ob peb microseconds), cov xaim uas muaj qhov hluav taws xob dhau yog vim li ntawd hauv av (tsis saib xyuas qhov arc voltages), tig mus rau qhov sib xws-hom overvoltage rau hauv qhov sib txawv ntawm hom overvoltage. Qhov no phom sij heev rau cov cuab yeej tiv thaiv. Qhov kev pheej hmoo yuav ploj mus thaum lub nkev nqus paug thib ob arcs dhau mus (ob peb microseconds tom qab).
Qhov 3-electrode geometry tshem tawm qhov tsis zoo no. Lub txim hluav taws ntawm ib tus ncej ua rau muaj kev cuam tshuam dav dav ntawm lub cuab yeej yuav luag tam sim ntawd (ob peb nanoseconds) vim tias tsuas muaj tib lub roj hluav taws xob thaiv lub tsev nyob txhua qhov cuam tshuam electrodes.

Kawg ntawm lub neej

Cov pa roj paug tawm yog tsim los kom muaj ntau lub impulses tsis muaj kev puas tsuaj lossis poob ntawm cov yam ntxwv thawj zaug (kev kuaj mob lub siab yog 10 zaug x 5kA impulses rau txhua qhov polarity).

Ntawm qhov tod tes, qhov kev txhawb nqa siab heev tam sim no, piv txwv li 10A rms rau 15 vib nas this, nrog simulate tawm ntawm AC fais fab kab mus rau cov kab txuas xov tooj thiab yuav siv GDT tam sim tawm ntawm kev pabcuam.

Yog tias qhov ua tsis tiav qhov kev nyab xeeb lub neej yog qhov xav tau, piv txwv li lub luv luv Circuit Court uas yuav qhia txog qhov txhaum rau tus neeg siv kawg thaum kab kev txhaum, kuaj pom lub raj pa tawm nrog qhov tsis ua haujlwm tsis muaj teeb meem (sab nraud luv luv) yuav tsum raug xaiv Cov.

Xaiv lub raj tso pa tawm

  • Cov ntaub ntawv xav tau los xaiv kom zoo rau cov kws tiv thaiv mob rau koj daim ntawv thov yog cov hauv qab no:
    DC hluav taws xob dhau voltage (Volts)
  • Impulse txim hla voltage (Volts)
  • Xa tawm tam sim no muaj peev xwm (kA)
  • Rwb thaiv tsev ua hauj (Gohms)
  • Peev Xwm (pF)
  • Mounting (Nto Mount, Cov Qauv Txhim Kho, Cov Khoom Taw Qhia Kev Cai, Tus Nrog)
  • Ntim (Cov Kab Xev & Reel, Ammo pob)

Qhov ntau ntawm DC hluav taws xob dhau voltage muaj:

  • Tsawg kawg 75V
  • Qhov nruab nrab 230V
  • Kev kub siab 500V
  • Tshaj Tawm Heev 1000 txog 3000V

* Kev nkag siab ntawm qhov hluav taws xob tawg feem ntau yog +/- 20%

gdt_ daim ntawv
Tshaj Tawm Txog Tam Sim No

Qhov no yog nyob ntawm cov yam ntxwv ntawm cov roj, qhov ntim thiab cov khoom ntawm electrode ntxiv rau nws txoj kev kho mob. Qhov no yog tus yam ntxwv tseem ceeb ntawm GDT thiab ib qho uas txawv nws los ntawm lwm yam kev tiv thaiv ntaus ntawv, piv txwv li Varistors, Zener Diodes, thiab lwm yam ... Tus nqi raug yog 5 txog 20kA nrog rau 8 / 20us impulse rau cov qauv txheem. Qhov no yog tus nqi ntawm cov pa tawm ntawm lub raj muaj peev xwm tiv taus ntau zaus (tsawg kawg 10 kev yuam) tsis muaj kev rhuav tshem lossis hloov ntawm nws cov lus qhia tshwj xeeb.

Tus Txhim Txhuam Cov Hluav Taws Xob Txhim Kho

Lub txim hluav taws xob dhau qhov hluav taws xob nyob ntawm qhov muaj qhov tob pem hauv ntej (dV / dt = 1kV / peb); lub txim siab hluav taws xob dhau qhov hluav taws xob nce nrog qhov nce zuj zus dV / dt.

Rwb thaiv tsev Ruaj Ruaj thiab Muaj Peev Xwm

Cov yam ntxwv no ua rau cov pa tawm ntawm lub raj xa khoom thaum lub sijhawm ua haujlwm tsis zoo. Kev rwb thaiv tsev tsis kam yog siab heev (> 10 Gohm) thaum lub zog hluav taws xob muaj tsawg heev (<1 pF).

TXHEEM

Cov Qauv Ntsuas thiab cov lus qhia kev teeb tsa rau kev sib txuas lus kab kws tiv thaiv yuav tsum ua raws li cov qauv hauv qab no:

  • UL497B: Cov tiv thaiv rau cov ntaub ntawv kev sib txuas lus thiab hluav taws kub

INSTALLATION

Yuav kom ua tau zoo, tus tiv thaiv tus kws phais yuav tsum tau teeb tsa raws li cov qauv hauv qab no.

  • Qhov chaw nyob hauv av ntawm tus tiv thaiv tsaj lij thiab ntawm cov khoom siv tiv thaiv yuav tsum tau ua ke nrog.
  • Qhov kev tiv thaiv yog teeb tsa ntawm qhov kev pabcuam nkag ntawm lub installation kom hloov qhov teeb meem tam sim no sai li sai tau
  • Tus tiv thaiv kab mob yuav tsum tau muab nruab rau qhov chaw nyob ze, tsawg dua 90 ko taw lossis 30 metres) rau cov khoom tiv thaiv. Yog tias txoj cai no tsis tuaj yeem ua raws, cov neeg tiv thaiv tsaj theem ob yuav tsum tau muab nruab rau ze cov cuab yeej
  • Tus txheej txheem tsuj av (nyob nruab nrab ntawm lub ntiaj teb tso tawm ntawm lub pob tiv thaiv thiab lub teeb tsa tsev sib khi) yuav tsum ua kom luv li sai tau (tsawg dua 1.5 ko taw lossis 0.50 metres) thiab muaj qhov chaw hla ntawm thaj tsam tsawg kawg 2.5 mm squared.
  • Lub ntiaj teb tsis kam yuav tsum ua raws li txoj cai hluav taws xob hauv zos. Tsis muaj pob ntseg tshwj xeeb yog tsim nyog.
  • Txoj kev tiv thaiv thiab kev tiv thaiv uas tsis muaj kev tiv thaiv yuav tsum muab khaws cia kom zoo kom tsis txhob muaj kev sib haum xeeb.

TU

LSP roj tso pa tawm tsis tas yuav tsum muaj kev saib xyuas lossis hloov hauv qhov xwm txheej ib txwm muaj. Lawv tsim los tiv kev cuam tshuam rov qab ua dua, lub zog hnyav lub zog cia tsis muaj kev puas tsuaj.
Txawm li cas los xij, nws yog ib qho muaj nuj nqis los npaj rau qhov xwm txheej phem tshaj plaws thiab, vim li no; LSP tau tsim rau kev hloov chaw tiv thaiv qhov ua tau siv. Cov xwm txheej ntawm koj cov ntaub ntawv kab thaiv kab mob tiv thaiv tuaj yeem sim nrog LSP tus qauv SPT1003. Chav ntsuas no yog tsim los ntsuas rau DC hluav taws xob dhau qhov hluav taws xob, clamping voltages thiab kab txuas ntxiv (yeem) ntawm cov tiv thaiv phais. Lub SPT1003 yog qhov sib dhos, lub pob laub khawm nrog lub thev naus laus zis. Qhov ntsuas ntau ntawm qhov ntsuas ntawm tes yog 0 txog 999 volts. Nws tuaj yeem kuaj cov khoom sib txawv hauv cov khoom xws li GDT's, diodes, MOVs lossis cov khoom siv sawv uas ib leeg tau tsim rau AC lossis DC cov ntawv thov.

KEV TSHWJ XEEB TXUJ CI: LIGHTNING PROTECTION SYSTEMS

Yog tias cov qauv yuav raug tiv thaiv yog nruab nrog LPS (Cov Hluav Taws Xob Tiv Thaiv Tshav Tiv Thaiv), cov neeg tiv thaiv hluav taws xob rau kev sib tham hauv xov tooj, cov kab xov xwm lossis cov xaim hluav taws xob AC uas tau teeb tsa rau ntawm cov tuam tsev kev pabcuam nkag mus yuav tsum tau kuaj kom pom kev ncaj qha hluav taws xob 10 / 350us waveform. nrog qhov kev tawm suab tsawg kawg ntawm 2.5kA (D1 qeb kuaj IEC-61643-21).