Ntau qhov mem tes muaj cov khoom siv tiv thaiv MSPD
Scope
Nov yog ib yam kev ntsuas ntxiv rau xwb IEC 61643-11: 2011Cov. Qhov kev ntsuas ntxiv no tuaj yeem siv tau rau cov khoom siv tiv thaiv kev tiv thaiv kom tsis txhob ncaj qha thiab ncaj qha ntawm xob laim lossis lwm yam kev hloov pauv ntxiv. Cov cuab yeej siv no tau ntim kom txuas nrog 50/60 Hz ac fais fab hluav taws xob, thiab cov cuab yeej ntsuas txog li 1 000 V rms
Cov yam ntxwv ua tau zoo, cov qauv kev sib tw rau kev xeem thiab ntsuas ntsuas raug teeb tsa. Cov cuab yeej no muaj tsawg kawg yog ib qho tsis sib xws thiab npaj siab los txo kev poob siab thiab hloov mus rau kev xau dej.
Cov ntaub ntawv tsis raug
IEC 61643-11: 2011, Cov khoom siv hluav taws xob tiv thaiv qis-Tshooj 11: cov khoom siv tiv thaiv hluav taws xob tiv thaiv txuas nrog cov hluav taws xob tsis muaj hluav taws xob uas muaj hluav taws xob-cov qauv thiab cov qauv ntsuas
3.Txawm, cov lus txhais thiab cov tsiaj ntawv luv
3.1.101 (MSPD) Ntau qhov muaj txiaj ntsig ntsig kev tiv thaiv ib ce
SPD uas muaj peev xwm nyob rau ntau lub zog raug mob ntawm ib qho paug thiab tau sim nrog ntau cov mem tes ua ke sib nqus
Nco tseg: yog tias cov chaw tsim khoom tshaj tawm SPD tuaj yeem tiv taus ntau cov stulse stokes, MSPD xav kom xeem dhau qhov yuav tsum tau xeem rau (MCW) Ntau cov roj sib xyaw ua ke yoj.
3.1.102 (MCW) Ntau txoj kev sib xyaw nrog cov ua ke yoj
Txhim kho qhov tam sim no nthwv dej sib xyaw ua ke los ntawm ntau lub pulses raws li qee yam amplitude thiab lub sijhawm sib nrug
8.3.101 xeem ntsuas rau (MCW) Ntau qhov sib xyaw ua ke yoj
Qhov ntsuas tau thov rau MSPD uas tsuas yog rau kev sib txuas L-PE / N hauv TN, TT thiab IT system.
Rau qhov kev ntsuas no, peb qho qauv ntsuas tshiab yuav raug siv thiab qhov yuav tsum ua rau qhov kev ntsuas no xa mus rau IEC 61643-11: 2011 Seem 8
8.3.101.1 kuaj ntsuas ntawm (MCW) Ntau qhov sib xyaw ntawm cov ua ke yoj
| Tag nrho cov impulse | 8/20 qhov tso tawm tam sim no ()s) | lub txiaj ntsig siab kawg rau tus thawj thiab tus thib kaum sab xis (kA) | Cov txiaj ntsig kawg ntawm tus thib ob mus rau 9 lam ua (kA) | Lub sijhawm luv los ntawm thawj mus txog lub 9 impulse (ms) | Lub sijhawm nyob nruab nrab ntawm lub sijhawm 9 thiab 10 impulse (ms) | Lub sijhawm tag nrho (ms) |
| 10 | 8 / 20μs | 100 | 50 | 60 | 400 | 880.5 |
Nco tseg: cov lus saum toj no tsuas yog siv rau qhov ntsuas siab tshaj plaws ntawm MCW kom deb li qhov siv tau, cov neeg tsim khoom tuaj yeem tshaj tawm lawv tus kheej qhov ntsuas tshwj xeeb ntawm MCW ntawm MSPD hauv daim foos raws li cov lus 8.3.101.3 pom. Lub caij nyoog ntawm lub sijhawm yuav tsum tau nrog cov lus saum toj no qhia tau hais tias lub sijhawm sib nrug ntawm thawj mus txog zaum ob yog 60 ms, thiab lub sijhawm nyob nruab nrab ntawm ob qho kev tiv thaiv kawg yog 400 ms.
8.3.101.2 Feem nthwv dej sib xyaw ntawm cov roj sib txuas ntawm cov roj ntsha sib txuas tam sim no
8.3.101.3 Kev Qhia Paub txog ntau tus mem tes sib xyaw yoj tsis sib haum
piv txwv li MS-8 / 20μs-10p / 20kA
MS - Ntau-pulses
8 / 20μs - qhov kev xav tam sim no
10p - 10 mem tes
20kA - Lub ntsiab ntawm cov txiaj ntsig los ntawm ob mus rau 9 kev ua rau lub siab tsis ncaj
8.3.101.4 xeem daim duab qhia ua Circuit Court
Tsuas yog Uref= 255 V, kev cia siab luv luv-luv tam sim no ntawm lub zog no ntau dua 100 A yog qhov yuav tsum tau ua hauv kev sim. Lwm qhov chaw faib fais fab yog txiav txim siab. Yog tias cov chaw tsim khoom tshaj tawm Cov Tshaj Tawm Sab Nraud Sab Nraud, Cov Sab Nraud Sab Nraud yuav tsum siv txuas thaum lub sijhawm ntsuas, tab sis kev txiav tawm sab nraud yuav tsum tsis txhob tshwm sim.
8.3.101.5 Tshaj Cov Qauv Muaj
| Kev Txheeb Ze dhau | |
| Thaum qhov kev kuaj ntawd, yuav tsis muaj qhov pom tseeb ntawm kev hlawv cov qauv. | |
| SPDs nrog IP degree sib npaug, lossis siab dua, IP20 yuav tsum tsis muaj qhov chaw nyob tau nkag nrog cov ntiv tes ntsuas tus qauv siv nrog lub zog ntawm 5 N (saib IEC 60529), tshwj tsis yog cov seem uas tau nkag tau ua ntej kuaj thaum SPD haum nrog kev siv li niaj zaus. | |
| SPD yuav tsum txuas nrog rau kev siv li qub raws li cov khw muag cov lus qhia rau lub zog hluav taws xob ntawm qhov siv ntsuas voltage (Unyob)). Qhov tam sim no uas ntws los ntawm txhua qhov davhlau ya nyob twg yog ntsuas. | |
| a) | Ntau hom mem tes tsis ua haujlwm hom Tom qab SPD ua tiav tag nrho ntawm kaum lub ntsej muag tam sim no, kev cuam tshuam sab hauv lub zog tshwm sim, yuav tsum muaj cov pov thawj tseeb ntawm kev ua haujlwm zoo thiab tas mus li ntawm cov feem tiv thaiv tiv thaiv (s). Txhawm rau kuaj xyuas qhov yuav tsum tau ua no, lub zog hluav taws xob hluav taws xob sib npaug nrog Uc tau thov 1 min, thiab qhov ntsuas tam sim no yuav tsum tsis tshaj 0.5 mA rms |
| b) | Ntau hom mem tes muaj hom hom Thaum lub sijhawm kuaj, lub thermal stability yuav tsum tiav. Lub SPD raug suav tias yog qhov ntsuas kub kom ruaj khov yog qhov nruab nrab ntawm qhov tsis kam tiv thaiv cov dej ntws tawm tam sim no rau hauv SPD lossis cov hluav taws xob tsis zoo qhia pom qhov hloov zuj zus lossis tsis nce ntxiv thaum 15 min ntawm Uref voltage. Qhov tam sim no yuav tsum tsis hloov ntau dua 50% piv rau tus nqi pib txiav txim thaum pib ntawm cov kev sib tw ua ntu zus |
| Qhov tseem ceeb rau kev ntsuas ntsuas kev ntsuas tom qab kev ntsuas yuav tsum qis dua lossis sib npaug rau UPCov. Qhov ntsuas qhov ntsuas hluav taws xob yuav tsum txiav txim siab, siv cov kev ntsuas tau piav qhia hauv 8.3.3, tab sis kev ntsuas ntawm 8.3.3.1 tsuas yog ua nrog 8/20-qib tam sim no nrog tus nqi crest ntawm Iimp rau Test Class I lossis nrog rau Kev Xeem Chav Kawm II lossis nrog kev ntsuas ntawm 8.3.3.3 tab sis tsuas yog ntawm UOC rau Cov xeem chav kawm III. | |
| Ntu Circuit Court, xws li ntsuas qhov xwm txheej, yuav tsum ua haujlwm ib txwm muaj. Pom pom tus qauv thiab yuav tsum tsis muaj cov cim ntawm kev puas tsuaj. |
TUV Rheinland tso tawm cov txheej txheem tshiab 2 PfG 2634.08.17 - Kev kuaj ntxiv rau Multi-pulse Surge tiv thaiv cov khoom siv txuas nrog cov hluav taws xob muaj hluav taws xob tsawg - Cov kev xav tau thiab kev sim
Cov txheej txheem nyob rau hauv lub hauv paus ntawm tus thawj thoob ntiaj teb tus qauv ntsuas nce ntau cov roj ntsha sib tw, ntau qhov kev xeem tshuab ze ze rau cov kab xa khoom kis sab ntawm SPD cov kab ntsig hauv ib puag ncig simulation, cuam tshuam los ntawm lub ntuj xob laim lub cev yam ntxwv rau kev nkag siab xob laim thiab xob laim, xob laim, xob laim kev tiv thaiv muab lub platform tshiab rau kev tshawb fawb qib siab, tau txais txiaj ntsig zoo rau lub hom phiaj kev txhim kho kom hloov kho kom haum rau cov ntawv thov sib txawv ntawm cov khoom tiv thaiv xob laim, los muab cov rectification ntawm kev khiav ntawm ntau pua lab ntawm SPD tsuas yog online kev pab txhawb nqa, yuav kuj txhawb nqa thoob ntiaj teb SPD R&D thiab kev tsim khoom thev naus laus zis.
Lub rooj sib tham tau caw ntau tus kws tshaj lij hauv SPD, ua ke rau SPD ntsig txog kev tswj hwm kev lag luam, thev naus laus zis, zoo, kev tshawb fawb thiab kev txhim kho cov neeg ua haujlwm kom tsis txaus siab rau SPD cov qauv tshiab, los pab cov lag luam kom txhim kho kev tshawb fawb thiab kev tsim kho, tsim kom tau raws li cov kev xav tau ntawm cov khoom lag luam zoo, pab txhua lub chaw tsim khoom loj kom nkag mus thoob ntiaj teb kev lag luam, txhawb kev lag luam duab.
Cov qauv ntsuas SPD los ntawm ib leeg-mem tes rau ntau-mem tes
Nrog kev txhim kho txuas ntxiv ntawm cov thev naus laus zis, txhua yam ntawm cov khoom siv hluav taws xob siab tau siv dav hauv kev tsim kho, tsheb thauj mus los, hluav taws xob, kev sib txuas lus, tshuaj lom neeg kev lag luam thiab lwm cov teb, thiab nrog lub tshuab hluav taws xob tsawg tsawg hauv ntau cov hluav taws xob ntawm cov ntse. maj, muaj coob tus ntawm cov nqi qis tus nqi, siab rhiab siab, muaj kev sib xyaw siab ntawm cov khoom siv hluav taws xob rau hauv daim ntawv thov. Txawm li cas los xij, xob laim overvoltage lossis kev ua haujlwm overvoltage, feem ntau nqa cov ua kom ua rau neeg tuag taus rau hauv cov khoom siv hluav taws xob. Yog li, thiaj li tiv thaiv tau hluav taws xob overvoltage thiab kev ua haujlwm dhau-voltage kev puas tsuaj rau cov khoom siv hluav taws xob thiab hluav taws xob thiab txhim kho kev nyab xeeb thiab kev ntseeg tau ntawm cov cuab yeej siv, txhua yam ntawm SPD cov khoom tau siv dav.
Txawm li cas los xij, vim tib neeg lub cev lub cev ntawm xob quaj kuj tsis muaj kev nkag siab meej thiab meej meej, xob laim ua rau ntau yam ntawm kev kwv yees yog raws li qee qhov kev ntsuas ua ntej thiab kev xav, thiab daim ntawv thov dav ntawm surge tiv thaiv, xob tiv thaiv cov khoom, feem ntau yog raws li kev nkag siab ntawm cov hluav taws xob ib leeg dhia hluav taws xob. Kev tsim hluav taws xob hauv ntiaj teb ntawm SPD yav dhau los kuj tseem ua raws li cov txheej txheem thoob ntiaj teb electrotechnical IEC 61643 cov khoom tshawb nrhiav thiab kev txhim kho thiab tsim cov txheej txheem kev ua haujlwm, thiab los ntawm xob laim hluav taws xob ntsuas hluav taws xob ntau siv 10 / 350μs lossis 8/20 tests kuaj ntawm tib lub plawv ntsig poob siab. Cov.
Qhov tseeb, nyob rau xyoo tas los no cov kev soj ntsuam ntawm lub xob quaj thiab xob quaj thiab xob quaj thiab xob laim tiv thaiv kev xyaum qhia tau hais tias xob laim nrog tib lub zog hluav taws xob siab kuaj sim SPD txoj kev, thiab qhov tseeb ntawm qhov tiag xob laim ntawm lub sijhawm ntawm ntau tus mem tes, los ntawm ib qho kev kuaj ntshav ntawm SPD nyob rau hauv kev zam tiag tiag thaum ntaus los ntawm xob laim, thiab nws cov txiaj ntsig me, tseem feem ntau ua rau SPD overheat tawg ua rau nplaim taws, ua rau hluav taws sib tsoo. Yog li, tuaj yeem tiv taus kev poob siab pulses SPD ua qhov kev xav tau ceev tshaj hauv kev tiv thaiv hluav taws xob nyob hauv tsev thiab txawv teb chaws, kuj muab cov chaw tsim khoom lag luam zoo rau kev txhim kho.
Tab sis cov txiaj ntsig ntawm SPD cov tuam txhab hloov kho qhov tsis nkag siab ntawm cov qauv tsim nyog, muaj qee qhov kev txwv ntawm cov qauv tsim khoom, ua rau SPD cov chaw tsim khoom nyuaj kom ua tiav cov khoom tawg hauv kev tsim khoom thiab kev tsim khoom, tawm tsam kev tshawb nrhiav thoob ntiaj teb.
Txhawm rau txhawm rau txhawb kev txhim kho ntawm kev tiv thaiv rau ntau cov mem tes cuam tshuam rau SPD cov khoom lag luam, TUV Rheinland koom tes hauv tsev tswj hwm ntawm cov chaw kuaj kabmob SPD - "Beijing Leishan Testing Center", ua ke nrog cov yam ntxwv ntawm kev lag luam hauv tsev, nrog SPD ntau tus mem tes kuaj thiab ntawv pov thawj. cov qauv thiab cov kev daws teeb meem, rau cov lag luam ntsig txog muab cov kev daws teeb meem sai thiab ntau yam, pab SPD cov lag luam mus rau cov kev lag luam thoob ntiaj teb.
SPD TUV Rheinland daim ntawv pov thawj tau pom zoo thoob ntiaj teb, cov kws tshaj lij muaj kev paub txog kev nyab xeeb thiab kev ua haujlwm zoo rau cov khoom, thiab pab cov neeg siv khoom kom tau txais cov txuj ci tshiab kawg nkaus thiab kev ua lag luam zoo. Ntxiv rau, TUV Rheinland muaj cov tswv cuab ntawm cov neeg siv khoom lag luam tag nrho, tuaj yeem pab SPD cov chaw tsim khoom nthuav dav rau cov neeg siv khoom.
Ntau qhov-pulses surge protector (MSPD) keeb kwm yav dhau los thiab qhov teeb meem tam sim no ntawm cov qauv xeem
Thaum Lub Kaum Ib Hlis 2017, Lub Tebchaws Yelemees TUV Rheinland Pawg tau tso tawm "txuas rau cov hluav taws xob qis hluav taws xob muaj zog ntawm ntau lub plawv dhia tiv thaiv cov khoom siv ntxiv kev ntsuas - kev ua tau zoo thiab cov qauv ntsuas (IEC61643.11-2011 / 2 PFG 2634), thiab" Beijing Leishan Testing Chaw ”TUV Rheinland SPD cov khoom koom tes kuaj qhib.
2 PFG 2634 / 08.17 tus qauv yog los ntawm tus thawj thoob ntiaj teb tus qauv ntsuas nce rau ntau qhov kev kuaj ntshav pulse, ntau qhov kev xeem tshuab tau ze rau cov kab xa khoom kis ntawm sab ntawm SPD cov ib puag ncig uas cuam tshuam los ntawm ntuj xob laim lub cev yam ntxwv, kom tau raws li xob quaj, xob laim kev tiv thaiv muab cov kev tshawb fawb qhia txog qib siab dua, yog qhov zoo rau lub hom phiaj kev txhim kho kom hloov kho mus rau cov ntawv thov sib txawv hauv kev tiv thaiv cov khoom hluav taws xob, los muab cov rectification ntawm kev khiav ntawm ntau pua lab ntawm SPD tsuas yog online kev pab txhawb nqa, txhawb thoob ntiaj teb SPD R&D thiab cov thev naus laus zis hloov kho tshiab.
Ntev 2 PFG 2634 / 08.17 tus qauv tso tawm lub xyoo thib ob, tus thawj coj ntawm Sun Yong ntawm "Beijing Leishan Testing Center" thiab tus kws tshaj lij Yang Yongming ntawm lub teb chaws Yelemees Rhine TUV, ua ke soj ntsuam 2 PFG 2634 / 08.17 kev ntsuas tus qauv tsim qauv, thiab qhia cov kev txhim kho tam sim no qhov teeb meem.
Sun Yong: ntau-pulses tus qauv txheem txheej txheem
Nyob rau xyoo 2016 Beijing Leishan lub tuam txhab tsim muaj xob laim ntau lub plawv dhia ntshav siab. Tus tiv thaiv kev tiv thaiv los ntawm ntau tus mem tes ntawm Tuam Tshoj invention patent nrog surge tiv thaiv (MSPD) thiab ntau tus qauv kuaj mem tes (tus qauv) tus kws tshaj lij, tus kws tshaj lij xob laim thaiv tiv thaiv Yang Shaojie tso cai, "Beijing Leishan Testing Center" yeej tus kws tshaj lij tiv thaiv MSPD sau ntau tus mem tes. cov qauv xeem (cua ntsawj ntshab) ntawm cov cai. Txog qhov kawg no, Beijing xob laim chaw lub koom haum pab pawg ua haujlwm pab pawg ntawm MSPD thiab ib leeg ib qho ntawm cov tiv thaiv saib xyuas mob tam sim no (SPD) rau kev kawm ntxiv. Tom qab ntau txhiab lub sijhawm kuaj cov khoom, suav nrog T1, T2 thiab T3 MSPD thiab SPD thiab siv nyob rau hauv cov khoom ntawm ntau cov kev qhia tshwj xeeb ntawm MOV surge tiv thaiv, GDT, qhib, micro tawg thiab SCB Cheebtsam, xws li cov kab xa xov hluav taws xob, cua tshuab thiab lwm yam, tau tsim qhov ntau ntawm cov ntaub ntawv kuaj, kom sau ntau tus mem tes phais tiv thaiv MSPD cov qauv ntsuas muab cov ntaub ntawv tseem ceeb los txhawb.
Surge protector MSPD ntau tus mem tes ntsuas cov qauv ntawm kev sau ntawv, nrog rau kev sib tham thoob ntiaj teb sib tham ntawm daim phiaj hluav taws xob (CIGRE) luam tawm xyoo 2013, daim ntawv qhia kev tshaj tawm engineering daim ntawv thov ntawm xob laim tsis sib haum (Lus Askiv), cov lus no yog rau lub rooj sib tham loj thoob ntiaj teb daim phiaj tshaj tawm tshaj li 30 xyoo dhau los, cov kev ntsuas ntawm xob laim (Berger, k. Anderson RB thiab Kroninger h. 1975. Electra No. 41, pp. 23-37) luam tawm xyoo 1980 thiab kev tsim qauv siv ntawm xob laim tsim teeb meem (Anderson RB thiab Eriksson AJ 1980. Electra No. 69, pp. 65-102.) Kev kho nqi lus. Daim ntawv no tau qhia meej meej hauv cov ntsiab lus: “Ntau dua 80% ntawm lub eeb tsis zoo rau kev coj los ntawm ob lossis ntau dua ob qho rov qab. Qhov feem pua no tau nce siab tshaj li qhov dhau los Andersonand Eriksson (1980), uas yog los ntawm cov ntaub ntawv ntawm cov tsis muaj tseeb kwv yees li ntawm 55% .Txhua flash qhov nruab nrab teb lub sijhawm rau 3-5, txog 60 ms ntu nruab nrab geometric nruab nrab. Li ib feem peb mus rau ib nrab ntawm lub eeb, hauv ob peb mais sib nrug ob lossis ntau tshaj ob qhov chaw. Tab sis txhua lub eeb tsuas yog txoj hauj lwm teev, xob laim ntom ntsuas qhov ntsuas qhov ntsuas tus nqi yog kwv yees li 1.5 txog 1.7, qhov nce siab dua Anderson thiab Eriksson 1.1 (1980) tau kwv yees yav dhau los. Teb rau thawj zaug lub ncov tam sim no feem ntau yog ntau dua tom qab tom qab xa rov qab tam sim no ncov 2 txog 3 zaug. Txawm li cas los xij, kwv yees li ib feem peb ntawm lub eeb muaj tsawg kawg yog ib qho tom qab muaj lub ncov hluav taws xob loj tom qab nraub qaum. Hauv txoj kev xav, nws cov ncov tam sim no tseem yuav tsum ntau tshaj thawj zaug. Muaj ntau dua qhov ntaus thawj zaug tom qab rov qab mus rau cov xaim hluav taws xob thiab lwm qhov system tau muab qhov kev hem thawj ntxiv “.
Thaum Lub Yim Hli 12, 2008, Guangzhou tsis pom zoo polarity teb kuaj lub hauv paus ntawm cov khoom siv hluav taws xob xob quaj xob laim xob laim muaj 2005 zaus, Suav Academy ntawm Tshawb Fawb Qie xiushu pab pawg qhia txog cov khoom siv hluav taws xob sim sim hauv Shandong xeev txij xyoo 2010 txog 22 tag nrho, hauv qhov kev soj ntsuam 95 xob laim tawm, 17% rau mem tes, 400 lub sijhawm tawm sijhawm ntau dua 11 ms (millisecond), ntau kawg tus lej mem tes 60.Txoj kev siv hluav taws xob qhov teeb meem ntawm qhov tshwm sim ntawm xob laim tawm ntshav tawm ntau cov lus piav qhia, ntxiv ua pov thawj tias kev sib xyaw ntawm ntau tus mem tes. cov yam ntxwv yog universal: namely ua ke ntawm ntau tus mem tes yoj muaj ob qhov siab tshaj plaws, qhov nruab nrab ntawm tus mem tes yog 400 ms, thaum kawg tus mem tes nrog lub ntsej muag pulse ua ntej 20 ms. Kuj ceeb tias, SPD muaj koob npe, siv los ntsuas cov npe tawm tam sim no 1.64 kA, ntsuas los ntawm 8 kA xob laim hluav taws xob tam sim no tawg (XNUMX pulses) .Qhov kev sim no, tsis tsuas pom ntau lub plawv ntsig ntawm xob laim tawm qhov tshwm sim, tab sis kuj qhia txog cov kev tshawb fawb tuaj yeem siv nyob rau hauv ntau cov hluav taws xob xob laim pulse tawm qhov tshwm sim ntawm MSPD qhov tseem ceeb thiab ceev.
Kev sib xyaw ntawm thoob ntiaj teb thiab hauv tsev rau xob laim impulse qhov tshwm sim ntawm kev soj ntsuam thiab cov ntaub ntawv ntsuas, cov pawg sau ntawv kho kom haum siab tau txais 8 / 20μs (suav nrog 10 S mem tes raws li cov sib xyaw mem tes MSPD cuam tshuam rau nthwv dej tam sim no.
Raws li cov kev ntsuas ntawm lub cev ntawm xob laim tawm lub plawv dhia ntau, ntau tus mem tes yoj, thawj tus mem tes thiab lub kawg ntawm lub plawv dhia kev loj hlob ntawm nominal tus nqi, nruab nrab lub plawv dhia rau 1/2 nominal nqi; Thawj tus mem tes rau mem tes luv nruab nrab ntawm 9 txog 60 ms, ua ntej thaum kawg cov mem tes nrog mem tes ntsig txog yog 400 ms.
Yuav tsum paub meej, qee cov kev qhia tshwj xeeb, ib qho mem tes tsis muaj thaub qab tiv thaiv ntaus ntawv (SPD) kuj tseem tuaj yeem hla dhau tsib ntawm cov kev sib txuas ntawm lub plawv tes yoj. Raws li lub teb chaws tus qauv ntsuas, tom qab lub cuab yeej tiv thaiv kev tiv thaiv thiab SPD series ntau lub plawv dhia kev co yoj, lossis tsis tas yuav hloov cov tooj liab tsis txuas ua ke ntawm luv-Circuit Court zam kev ntsuas, qhov yooj yim tsis tuaj yeem xeem dhau. Qhov tseeb uas tau pab txhawb rau kev kos duab kos los sau ntau yam mem tes MSPD kev kub ceev ntawm cov qauv xeem, vim tias tsuas yog sau ua haujlwm sai li sai tau, los ntawm cov qauv qhia, rau xob laim tiv thaiv kev tshawb fawb thiab kev tsim kho cov neeg ua haujlwm thiab cov chaw tsim khoom lag luam mem tes MSPD kev taw qhia, tuaj yeem ua kom zoo ntawm kev tiv thaiv xob laim ntawm kev txhim kho cov khoom thev naus laus zis thiab kev noj qab haus huv kev txhim kho ntawm kev tiv thaiv xob laim thiab tiv thaiv kev puas tsuaj.
Yang Yongming: ntau lub tshuab-pulses MSPD cov qauv xeem tau pom zoo ob xyoos dhau los
2 PFG 2634 "txuas rau cov hluav taws xob qis hluav taws xob muaj zog ntawm ntau lub plawv dhia tiv thaiv cov khoom siv ntxiv kev ntsuas - cov tseev kom muaj kev ua tau zoo thiab cov kev sim" tau pom zoo tom qab kev cuam tshuam hauv tsev thiab thoob ntiaj teb rau cov qauv teb sai sai
Kev sib raug zoo hauv xyoo 2018, "tib neeg tso tawm xyoo 2018 tus qauv (thawj) kev npaj ntawm daim ntawv ceeb toom" (cov lus hais rau pej xeem [2018] tsis yog 50), pom zoo los ntawm Nanjing Kuanyong Electronics Co., Ltd., sau ntawv ntawm txoj kev loj ntau mem tes hluav taws xob tiv thaiv tsim qauv tshwj xeeb. thiab txuj ci thev naus laus zis “.
Xyoo 2018, nyob tsim lub phiaj xwm, lossis pab pawg los sau "lub mem tes ntawm qhov hluav taws xob qis-faib hluav taws xob tiv thaiv kab ke tiv thaiv - kev ua tau zoo thiab cov qauv ntsuas.
ILPS tuav hauv Shenzhen xyoo 2018, nthuav tawm thoob ntiaj teb thib 4 ntawm kev tiv thaiv xob laim, tus thawj tswj hwm ntawm International Electrotechnical Commission IEC SC37A Alain Rousseau tshwj xeeb hais txog cov qauv no, thiab hauv plawv kev hais lus PPT IEC61643.11-2011 / 2 PFG 2634 " txuas rau kev siv hluav taws xob tsis tshua muaj hluav taws xob ntau ntawm cov mem tes ntxiv tiv thaiv cov cuab yeej ntxiv kev ntsuas - qhov yuav tsum tau ua thiab ntsuas cov qauv ntawm kev sib koom tes, thawj zaug los ntawm Suav sau ntawv rau koj tus kheej thaj chaw yuav tsum pom zoo los ntawm IEC tus qauv thoob ntiaj teb.
Xyoo 2019, Suav lub koom haum pabcuam huab cua kev pom zoo hauv Beijing teeb pom lub chaw tsim hluav taws xob los sau cov hluav taws xob tiv thaiv lub teeb hluav taws xob ntau cov lus qhia dav dav, nws yog lub hauv paus rau kev txhim kho ntawm ntau lub tshuab ntaus mem tes, cov qauv txheem hauv cov sij hawm sib hloov, cov ntsiab lus yoj xav, txhua yam ntawm cov no yog ua raws li 30 xyoo thoob ntiaj teb ntuj tsim hluav taws xob tsis muaj kev tshawb fawb, kev tshawb fawb suav suav, dav dav suav ua cov qauv ntsuas kev sim.
Thaum Lub Xya Hli 2019, International Electrotechnical Commission (IEC) muab IEC61400-24-2019 "kev tiv thaiv xob laim ntawm cov cua tsim hluav taws xob" thawj 8.5.5.12: qhov tsis kam ntawm SPD xob laim pulse ntau qhov kev poob siab. Vim hais tias ntawm cov cua turbine xob laim nyob rau hauv lub loj zaus, thiab SPD nyob rau hauv cov cua ntsawj ntshab yog qhov tseem ceeb heev, yog li yuav tsum muaj peev xwm tiv thaiv ntau ntawm SPD xob laim. (Ceeb toom: ntau zaus; Ntau tus mem tes; Ntau yaig. Ntau yam - mem tes tuaj yeem txhais rau hauv ntau cov mem tes).
Solstice thaum lub Kaum Hlis 30 ntawm Lub Kaum Hli 2019, los ntawm Beijing xob tiv thaiv cov cuab yeej ntsuas lub chaw ntsuas, xob laim tiv thaiv kev kawm pawg ntawm Tuam Tshoj tus kws kes duab vajtse coj kev tsim kho pawg tsim qauv "cov mem tes ntawm cov hluav taws xob tsawg hluav taws xob los tiv thaiv kev tiv thaiv - kev ua tau zoo thiab kev sim ntawm cov pawg ua haujlwm sib tham yuav muaj nyob rau hauv Beijing. Raws li kev tsim kho vaj tsev lub tuam tsev kev tsim ua vaj tsev tsim ua nyob hauv Suav teb xyoo 31 kev npaj qauv "yuav tsum tau ua los ntawm cov koog hauv kev ua haujlwm ua tiav ua tiav nyob rau thaum xaus ntawm Lub Rau Hli 2019.
Sun Yong: hais txog ntau yam-pulses waveform tsis ntawm yoj yoj
Txawm hais tias ntawm thoob ntiaj teb thiab domestic SPD kuaj cov qauv, muaj txiaj ntsig 10 / 350μs waveform rau kev faib tawm ntawm SPD impulse kev kuaj tam sim no rau T1, hloov kho rau 10 / 350μs tam sim no ntawm SPD feem ntau xav tau siv cov hloov hom ntaus ntawv, ntws txiav tawm hom hloov khoom siv yog ib qho teeb meem nyuaj, thiab lub siab lim hiam ntawm lub sij hawm teb yog lwm qhov teeb meem. Thoob ntiaj teb, 10 / 350μs waveform tsis siv rau SPD impulse qhov kev sim tam sim no tau muaj kev sib cav. Cov ntaub ntawv ntau dhau los pom tau hais tias 10 / 350μs waveform thiab ntuj xob laim tawm ntawm daim qauv ntawm ntau cov mem tes waveform tsis, 8 / 20μs tshaj 10 / 350μs waveform parameter s waveform tsis yog ze dua rau xwm xob laim tawm pulse waveform tsis, thiab qhov kev sim ntawm ntuj xob laim lub plawv dhia waveform tsis deb li deb tau yog qhov kev mus kuaj. Qhov no yog cov duab kos nrog 8 / 20μs waveform tsis raws li MSPD cuam tshuam tam sim no nthwv dej, ib qho ntawm cov laj thawj.
Raws li tus txheej txheem thoob ntiaj teb thiab domestic SPD kuaj ntsuas, ntsuas seb SPD tuaj yeem raug cais raws li T1 parameter tsis yog qhov ntsuas tseem ceeb ntawm kev ua rau yoj yoj tsis tam sim no, tab sis qhov cuam tshuam ntawm paug tawm tam sim no Iimp; Lub zog tshwj xeeb them nqi Q thiab W / R. Lub teb chaws tus qauv GB50057-2010 los ntawm tus qauv rau kev tsim vaj tsev tiv thaiv xob laim T1 yog 12.5 KA ntawm Q nqi ntawm 6.25 AS; W / R tus nqi ntawm 39 kj / Ω.
Txog qhov kawg no, peb kuaj siv 8 / 20μs waveform ntawm 10 mu s pulse yoj, qhov siab txwv ntau hom mem tes MSPD kev sim.60 ka qhov tam sim no ntawm Q nqi ntawm 6.31 AS; W / R yog 52.90 kj / Ω. Cov ntaub ntawv qhia tau hais tias ntau hom mem tes MSPD hom siv lub siab lim cov twj muaj peev xwm ua tiav dhau los ntawm T1 kuaj, zoo daws siv hom hloov cuab yeej muaj ob qhov teeb meem loj. Qhov no yog cov kab kos duab nrog 8 / 20μs waveform tsis raws li MSPD impulse yoj tam sim no, lwm qhov laj thawj.
Yang Yongming: Tuam Tshoj lub ntau lub pulse MSPD thev naus laus zis ntau aroused kev txhawj xeeb ntawm kev sib tw thoob ntiaj teb
Tuam Tshoj ntau tus mem tes MSPD tub ntxhais thev naus laus zis los ntawm tuam txhab Guangdong ntaub thaiv npog tom qab ze li kaum xyoo ntawm kev tshawb nrhiav thiab ntau cov kev sim muaj, ntau dua xyoo 2014 ntawm T1, T2 thiab T3 mem tes MSPD tau txais daim ntawv pov thawj hauv teb chaws. Thoob ntiaj teb, muaj Tebchaws Meskas, Lub Tebchaws Yelemees, Singapore, Bangladesh, Fabkis thiab lwm lub tebchaws pom tus kws tshaj lij tiv thaiv hluav taws xob los tshuaj xyuas thiab tham txog., Tus thawjcoj ntawm IEC 2014 SC37A Alain Rousseau tus kheej tau coj ob tus kws tshaj lij German mus txog rau av, hauv av rau kev ua haujlwm ntawm ib leeg tshaj tawm SPD thiab lub plawv dhia MSPD kev sib piv, Lub Kaum Hlis 13, 2014, 32th kev sib tham ntawm ICLP lub rooj sib tham hauv Shanghai, Alain tus thawj tswj hwm tau ua lub ntsiab lus "ua kom kev kuaj mem tes" rau SPD cov lus.
Sun Yong: MSPD series cov khoom lag luam nyob hauv kev ua lag luam xav tau
Tom qab sim ntau, MSPD batch ntau lawm cov khoom lag luam tshwj xeeb muab saw hlau tau tsim. Pib xyoo 2019, siv cov ntaub thaiv npog ntawm Guangdong ntau lub pulse MSPD patent technology ntawm MSPD series cov khoom dhau ntawm Beijing xob laim chaw IEC61643.11-2011 / 2 PFG 2634 "txuas rau hluav taws xob qis hluav taws xob system ntawm ntau lub plawv dhia tiv thaiv cov khoom siv ntxiv kev ntsuas - cov kev ua tau zoo thiab cov qauv kev ntsuas ntawm kev txheeb xyuas, los rau hauv kev ua lag luam.
Tsis muaj qhov tsis ntseeg tias nyob rau ntau lub plawv MSPD kuaj cov qauv, nyob rau hauv kev taw qhia ntawm MSPD hauv Suav teb yuav maj mam hloov cov tshuaj SPD qub, muab cov kev pabcuam siab rau kev tiv thaiv xob laim thiab tiv thaiv kev puas tsuaj, txhawm rau kom muaj kev ruaj ntseg ntawm Tuam Tshoj txoj kev tsim kho kev lag luam thiab cov neeg lub neej thiab cuab yeej ua lub luag haujlwm zoo. Muaj peev xwm kwv yees tau tias nyob hauv peb lub teb chaws, kev tswj hwm kev lag luam hauv kev tiv thaiv xob laim ntawm kev tiv thaiv xob laim, tiv thaiv xob laim thiab cov kws tshawb fawb, nrog rau kev tshuaj xyuas, kuaj thiab tshuab ua haujlwm cov neeg ua haujlwm sib koom tes, nyob rau yav tom ntej, Tuam Tshoj tus tiv thaiv kev tiv thaiv hluav taws xob (SPDs) ua rau yuav nce mus rau theem tshiab, thiab yuav mus rau txawv teb chaws, kev pabcuam ntawm lub ntiaj teb.
Muaj kev tiv thaiv cov cuab yeej (SPDs), qhov xav tau ntawm ntau qhov kev kuaj ntshav-ntsuas sim los ntawm TUV daim ntawv pov thawj
Tam sim no, tib neeg thev naus laus zis tseem muaj qhov tsis muaj meej txaus rau kev tiv thaiv xob laim thiab pom meej meej, loj hauv thaj teb txhua qhov kev xav, me me rau lub thawv me me, muaj cov tseev kom muaj ntawm kev tiv thaiv xob laim, xob laim thaiv txoj kev kuj muaj ntau ntau, xws li raws li kev qhia siv hluav taws xob xob, siv tib lub tshuab hluav taws xob, thiab tam sim no feem ntau siv hluav taws xob tiv thaiv (SPD), yog ib hom ntawm ntau yam khoom siv hluav taws xob, ntsuas cov khoom siv, cov kab sib txuas lus muab kev tiv thaiv kev ruaj ntseg ntawm lub cuab yeej hluav taws xob. Vim hais tias ntawm lub teeb hluav taws xob ua rau muaj kev cuam tshuam loj, tam sim no tam sim no tuaj yeem ncav cuag ntau pua txhiab tus amps, feem ntau coj kev ua kom neeg tuag taus rau cov khoom siv hluav taws xob. Yog li, txhawm rau txhim kho kev nyab xeeb thiab kev ntseeg tau ntawm cov cuab yeej siv, txhua yam kev tiv thaiv kab mob tiv thaiv (SPD) tau siv dav. Lub sib haum surge protector TUV ntawv pov thawj yuav tsum yog tseem loj heev.
Xob laim ua rau ntau qhov kev tshawb fawb, ntawm qhov tod tes, raws li qee qhov kev ntsuas ua ntej thiab kev xav, uas cuam tshuam rau kev txhim kho cov txheej txheem ntawm kev tiv thaiv xob laim, yog li tam sim no siv dav hauv cov tiv thaiv hluav taws xob (SPD), xws li xob laim tiv thaiv cov khoom lag luam. nyob rau tib lub tshuab hluav taws xob paub txog, IEC (International Electrotechnical Commission) yuav muaj tus tiv thaiv tiv thaiv (SPD) kev sim ua rau kev sim ntsuas yoj yoj txhais tau tias yog 8 / 20μs thiab 10 / 350μs yoj, thiab lwm yam.
Cov qauv ntsuas SPD los ntawm ib leeg-mem tes rau ntau-mem tes
Tam sim no, lub ntiaj teb xob teeb hluav taws xob ntau hluav taws xob ua haujlwm raws li IEC 61643-2011 rau SPD nrog cov ntsuas ib qho yoj, thaum qhov cuam tshuam ntawm ib qho yoj tsis yog yoog nrog cov yam ntxwv ntawm lub ntuj xob laim (90% ntuj xob laim tawm los tsis zoo mob stroke, tib lub sijhawm sib lawv liag tawm mem tes khiav tawm cov txheej txheem) .Txoj kev ua raws li cov qauv ntsuas cov khoom tsim nyog hauv online runtime tawg mus rau hauv cov nplaim taws teeb meem tseem muaj, rau hluav taws xob, kev sib txuas lus, kev nyab xeeb nqa lossis poob loj, thiab lwm yam. IEC tus qauv ntawm SPD feem ntau daws cov kev siv sib txawv ntawm SPD tsim lub koom haum xav tau thiab kev cuam tshuam ib qho kev cuam tshuam, luv luv Circuit Court tsis kam, TOV zam lub peev xwm nyob rau hauv qhov xwm txheej ntawm xob laim thiab xob nyab xeeb. Yog IEC tus qauv rau cov tshiab tshaj plaws ntawm IEC kev hloov tshiab tom ntej txog kev tsim tawm xyoo 2019, tag nrho cov architecture piv rau qhov tam sim no loj dua, yuav ua raws li IEC 61643-1 cov ntsiab lus yooj yim thiab cov kev xav tau, rau 11 rau lub zog SPD kuaj cov qauv thiab qhov yuav tsum tau ua, - 21 rau teeb liab SPD kuaj cov hau kev thiab qhov yuav tsum tau ua, - 31 rau photovoltaic SPD kuaj cov qauv thiab cov tseev kom ua, - 41 rau dc SPD kuaj kev thiab cov tseev kom muaj.
Rau kev tawm ntawm qhov teeb meem cuam tshuam ib txwm muaj qhov teeb meem tseem ceeb hauv kev tshawb nrhiav kev tiv thaiv xob laim hauv ntiaj teb. Raws li qhov no, Lub teb chaws Yelemees Rheinland TUV tau sau tseg 2 PFG 2634 / 08.17 SPD ntau tus qauv siv tshuab pulse. Cov txheej txheem nyob rau hauv lub hauv paus ntawm tus thawj thoob ntiaj teb tus qauv ntsuas nce rau ntau qhov kev kuaj ntshav plawv, lub tshuab ntsuas yog ze dua rau qhov simulation ntawm ntuj xob laim lub cev cov yam ntxwv, kom tau raws li xob quaj, tiv thaiv thunderbolt muab lub platform tshiab rau qib siab tshawb fawb, yog qhov zoo rau lub hom phiaj kev txhim kho kom hloov kho kom haum rau cov ntawv thov sib txawv hauv kev tiv thaiv cov khoom hluav taws xob, kom muab kev txhim kho online ntawm kev txhim kho ntau pua pua lab ntawm SPD tsuas yog kev pab txhawb kev, yuav tseem thawb kom thoob ntiaj teb SPD R&D thiab thev naus laus zis thev naus laus zis.
Vim tias SPD cov tuam txhab hloov kho qhov tsis nkag siab ntawm cov qauv tsim nyog, muaj qee qhov kev txwv ntawm cov khoom tsim, ua rau SPD cov chaw tsim khoom nyuaj kom ua tiav cov khoom tawg ntawm kev tsim khoom thiab cov khoom lag luam, nriaj tshawb hauv khw thoob ntiaj teb.
Txhawm rau txhawb txoj kev loj hlob ntawm kev ua haujlwm rau ntau cov mem tes cuam tshuam rau SPD cov khoom lag luam, TUV Rheinland koom nrog kev sib koom tes hauv tsev ntawm cov chaw ua haujlwm hauv SPD kuaj, ua ke nrog cov yam ntxwv ntawm kev lag luam hauv tsev thiab rau cov lag luam uas muaj feem rau cov kev daws teeb meem sai thiab zoo, pab SPD cov lag luam rau hauv kev lag luam thoob ntiaj teb.
SPD TUV Rheinland daim ntawv pov thawj tau pom zoo thoob ntiaj teb, cov kws tshaj lij muaj kev paub txog kev nyab xeeb thiab kev ua haujlwm zoo rau cov khoom, thiab pab cov neeg siv khoom kom tau txais cov txuj ci tshiab kawg nkaus thiab kev ua lag luam zoo. Ntxiv rau, TUV Rheinland muaj cov tswv cuab ntawm cov neeg siv khoom lag luam tag nrho, tuaj yeem pab SPD cov chaw tsim khoom nthuav dav rau cov neeg siv khoom.
Qhov tshwm sim thiab kev tshawb fawb txog kev tiv thaiv cov khoom tiv thaiv zoo (SPDs) los ntawm 10 mem tes thiab ntau lub mem tes
1.Xim Raws Hauv Kev Ntsuas (DUT) thiab Waveform teeb
1.1 LAUJ
| Ib qho epoxy coated varistor Hauv = 20kA, Imax = 40kA, 3 varistors tau sib txuas sib txuas, Muab faib ua ob pawg npe raws li hauv qab no | ||
| Group | Uc (V) | Hauv (kA) |
| Pawg A | 420 | 20 |
| Pawg B | 750 | 20 |
1.2 Txoj Haujlwm Waveform
10 kev sim ua haujlwm waveform, mem tes 8 / 20μs = 2 zaug ntawm 8 mem tes amplitude, lub sijhawm sib txawv raws li hauv qab no: thawj cuaj pulse - 60 ms pulse interval, lub caij kawg pulse - 400 ms pulse interval. Hauv kev thov 10 pulses tib lub sijhawm, kev ua hluav taws xob ntau zaus ntawm 255V / 100A. Cov kev siv dag zog ib txwm tau sau ntawv mus rau QX kev lag luam tus qauv hauv Suav teb thiab tabtom tsim 2 PGF tshuab TUV Rheinland daim ntawv pov thawj tus qauv, raws li cov kev tshawb nrhiav txoj kev xa cov kab sib kis ntawm ntau-pulses kuaj waveforms ntawm kev ua haujlwm ntawm tus tiv thaiv surge.
2.Group A - DUT
Pawg A - cov txiaj ntsig ntawm ntau qhov-pulses kuaj ntawm txawv amplitude
| Tam sim no (fore thiab tom qab - nruab nrab) | Mem tes tooj | Voltage tom qab cuam tshuam | phenomenon |
| 60-30 | 9 | - | hluav taws kub |
| 40-20 | 10 | - | txhais tawm |
| 30-15 | 10 | 680 | 1 MOV txhais tawm tom qab 5 thib ob |
| 30-15 | 10 | 670 | nyob zoo |
Pawg A - cov teeb tsa cov khoom tsim qauv ntawm kev tiv thaiv rau ib tus mem tes Hauv = 60 kA, tab sis ntawm 10 tus mem tes, hauv qab ntawm 30 thiab 60 kA, ob qho kev puas tsuaj thaum xya cuam tshuam pulse, thaum kawg ntawm hluav taws kub ntawm 255 V / 100. Kho qhov ntsuas qhov ntau, pom ntawm 10 mem tes amplitude ntawm 40 txog 20 kA, tsis muaj kev puas tsuaj hauv cov txheej txheem ntawm cuam tshuam, tab sis tom qab poob siab txhua DUT txhais tawm; Ntawm 10 mem tes amplitude ntawm 30 txog 15 kA, siv 2 DUT los ntsuas, tsuas yog 1 DUT qhov kev tso tawm, koj tuaj yeem yuav kwv yees 10 lub mem tes amplitude yog qhov surge tiv thaiv tsim zam kev txwv.
3.Group B - cov txiaj ntsig ntawm ntau qhov-pulses kuaj ntawm txawv amplitude
| Tam sim no (fore thiab tom qab - nruab nrab) | Mem tes tooj | Voltage tom qab cuam tshuam | phenomenon |
| 60-30 | 9 | - | hluav taws kub |
| 50-25 | 10 | 1117/1109 | Deg kub txog 90 degrees; nyob zoo |
| 50-25 | 1183/1171 | 2 MOV txhais tawm | |
| 40-20 | 10 | 1125/1112 | nyob zoo |
| 40-20 | 10 | 1115/1106 | nyob zoo |
Pawg B - cov teeb tsa cov khoom tsim qauv ntawm kev tiv thaiv rau ib tus mem tes Hauv = 60 kA, tab sis ntawm 10 tus mem tes, nyob rau hauv lub zog ntawm 30 thiab 60 kA, ob qho kev puas tsuaj thaum lub sijhawm muaj cuaj hloov plawv, thaum kawg ntawm hluav taws kub ntawm 255 V / 100. Kho qhov ntsuas qhov ntau, pom ntawm 10 mem tes amplitude ntawm 50 txog 25 kA, tsis muaj kev puas tsuaj nyob rau hauv cov txheej txheem ntawm cuam tshuam, tab sis tom qab poob siab txhua DUT's qhov kub mus txog 90 degrees, nws txhais tau tias mus txog qhov tseem ceeb ntawm cov txiaj ntsig tso tawm. Ntawm 10 mem tes amplitude ntawm 40 txog 20 kA, siv 2 DUT los kuaj, tseem nyob rau qhov zoo, tom qab txias ntsuas pib qhov voltage yog qhov ib txwm ua tiav, yog li koj tuaj yeem yuav kwv yees 10 lub plawv dhia ua haujlwm yog cov koob tiv thaiv kev tiv thaiv tsim tsim txwv.
4.4 Sau cov ntsiab kev ntsuas
(1) Raws li tus qauv tsim ntawm ib leeg-pulse surge tiv thaiv, nws Hauv (8 / 20μs) amplitude ua tsis tiav ntawm 10 qhov sib luag ntawm kev kuaj ntsuas mem tes.
(2) Raws li kev sim ntsuas, raws li kev tiv thaiv kev tiv thaiv kev tsim qauv ntawm ib leeg-mem tes amplitude Hauv (8 / 20μs) 0.5 qhov kev xam, tuaj yeem ua tiav los ntawm ib qho 10 qhov kuaj kom sib npaug ntawm cov mem tes.
(3) Lub sijhawm pib ntawm qhov kev tiv thaiv loj siv hluav taws xob tiv thaiv hluav taws xob muaj qhov siab dua, nyob rau hauv tib lub peev xwm ntws, ntawm lub hauv paus ntawm ib leeg-mem tes muaj peev xwm siab dua 10 pulses ntawm kev zam
Patent rau kev tsim muaj - ntau lub pulse surge tiv thaiv cov cuab yeej tiv thaiv (SPD)
Abstract
Cov tsim muaj tshaj tawm ib hom ntawm ntau cov mem tes surge tiv thaiv, suav nrog tus tiv thaiv ontology, lub cev tiv thaiv lub cev sab hauv xov hlau tau piav qhia tsawg kawg theem nrog cov kev tiv thaiv tiv thaiv cov ntsiab lus ntawm pulsed siab tam sim no kev poob siab siab dhau kev tiv thaiv Circuit Court, ntawm lawv, txhua qib ntxiv pulsed siab tam sim no poob siab siab limiting kev tiv thaiv Circuit Court muaj tsawg kawg yog varistor thiab thaub qab tiv thaiv cov ntsiab lus tsim ib ceg ua series. Qhov kev tsim tawm tam sim no muaj luv luv Circuit Court tam sim no lub zog hluav taws xob ncaj qha tawg (tsis xav tau lub hloov tooj liab), lub zog thiab lub sijhawm los koom tes, muaj peev xwm tiv thaiv lub teeb hluav taws xob tiag tiag, qhov zoo ntawm ntau cov mem tes cuam tshuam thiab tuaj yeem xeem theem ob xeem T2, haum rau kev teeb tsa hauv cov tuam tsev, yog li kev tiv thaiv zoo tiv thaiv ntawm kev faib hluav taws xob tsawg ntawm cov hluav taws xob thiab cov khoom siv hluav taws xob.
Hauj lwm
Ntau yam mem tes plhws tus neeg tiv thaiv
Kev kawm teb
[0001] Qhov tsim muaj cuam tshuam nrog kev tiv thaiv surge, koom nrog tiv thaiv xob laim thaiv kev tiv thaiv cov cuab yeej kev qhia, tshwj xeeb yog hais txog ib hom ntawm ntau cov mem tes phais tiv thaiv. Tom qab kev
[0002] Nrog rau ua ntej ntawm kev tshawb fawb thiab kev siv thev naus laus zis, kev tsim kho siv thev naus laus zis txuas ntxiv mus, txhua yam ntawm cov khoom siv hluav taws xob siab tau nce ntxiv hauv daim ntawv thov kev lag luam, tsheb thauj mus los, hluav taws xob, nyiaj txiag, kev lag luam chemical thiab lwm yam hauv cov kab ke. Thiab nrog ntau yam ntawm cov hluav taws xob hauv cov hluav taws xob faib hluav taws xob tsawg kawg cov kauj ruam ntse tshaj plaws, cov txiaj ntsig yog xaiv cov ntau ntawm cov nqi qis tus nqi, siab rhiab, siab sib xyaw ntawm cov khoom siv hluav taws xob. Xob laim overvoltage lossis kev ua haujlwm overvoltage, txawm li cas los xij, feem ntau nqa cov ua kom tsis haum rau cov khoom siv hluav taws xob, ua rau qhov dav, qhov tob thiab zaus overvoltage kev puas tsuaj ntau zuj zus. Yog li, thiaj li tiv thaiv tau hluav taws xob overvoltage thiab kev ua haujlwm dhau-voltage kev puas tsuaj rau cov khoom siv hluav taws xob thiab hluav taws xob thiab txhim kho kev nyab xeeb thiab kev ntseeg ntawm cov cuab yeej siv, txhua yam ntawm Surge protector tau siv dav.
[0003] cov teb chaws hauv ntiaj teb kev tsim tawm ntawm kev tiv thaiv kev tiv thaiv hluav taws xob SH) yog ua raws li IEC / TC61643 cov khoom lag luam thev naus laus zis cov qauv tshawb fawb thiab kev tsim kho thiab kev tsim tawm thiab dhau los ntawm kev kub siab ntawm lub laim ntsuas hluav taws xob siv 10 / 350μs lossis 8 / 20μ kuaj ntawm ib tus mem tes. poob siab yoj. Hauv IEC61643-1: 2011 thiab Tuam Tshoj tus qauv kev cai hauv tebchaws GB50057-2010 "txoj cai rau kev tsim lub tsev tiv thaiv xob laim, tiv thaiv kev tiv thaiv ntawm cov hluav taws xob faib qis tau muab faib ua peb txoj kev ntsuas, thiab siv Τ1, T2 thiab T3, feem.
[0004] ntawm tus tiv thaiv hluav taws xob uas twb muaj lawm tuaj yeem muab faib ua dav dav hloov SPD thiab ntsuas hluav taws xob SPD, hloov SPD tuaj yeem tiv taus hluav taws xob ncaj qha rau kev tsim lub peev txheej loj ntawm cuam tshuam tam sim no, tab sis muaj qhov txwv qhov hluav taws xob loj, cov tshuaj tiv thaiv ntev, dej ntws tawm nyuaj.SH) thiab cov kev tshawb fawb tshiab tseem qhia tias hloov hom teb lub sijhawm qeeb dhau (hom siab txwv lub sijhawm teb ntawm SPD acuities tau 20 ns, lub sijhawm teb ntawm hloov hom SPD> 200 peb, nruab nrab tiag tiag xob laim tam sim no mem tes ntev <180 peb, 119.6 peb), luv luv ua rau xob laim tam sim no tsis tuaj yeem cuam tshuam tau zoo heev, feem ntau yuav puas los ntawm xob laim impulse hom 2 SPD thiab khoom siv thiab thawj hloov qib SPDs tsis ua haujlwm. Txawm hais tias SPD ntawm voltage-txwv hom sai teb lub sijhawm, tsis muaj hluav taws xob tsawg, tab sis nws tsuas tuaj yeem nqa tau qhov kev cuam tshuam tam sim no, thiab xav kom nws tus kheej qhov kev tiv thaiv tsis tuaj yeem tsuas yog los ntawm lub loj mem tes tam sim no tab sis kuj nyob rau hauv lub zog me me tam sim no los ntawm kev tsoo sai , thiab tawg lub sijhawm tsawg dua 5 feeb.
[0005] Tam sim no tsis muaj cov kev siv thev naus laus zis thoob ntiaj teb los daws cov teeb meem no, yog li hauv IEC 61643-1: 2011 nyob rau thawj 8.3.5.3 kev cai yuav tsum tau siv lwm txoj hauv kev tsim nyog (simulated) siv tooj liab. Tab sis kev siv tooj liab hloov hloov SPD lossis siv hluav taws xob tsis txaus SPD tsis ua raws li qhov tseeb ntawm SPD luv, qhov hluav taws kub tawg feem ntau tshwm sim hauv kev ua haujlwm tiag tiag. Nruab rau hauv lub tuam tsev, ntawm qhov tod tes, theem ob ntawm SPD xav tau kev sim qib theem ua ntej raws li cov cai ntawm GB50057-2010, T2, nrog 8 / 20μs waveform. Txhawm rau ua kom dhau ntawm kev xeem theem ob, feem ntau 2 SH) siv lub siab lim hiam ntaus qauv yog tsim, lub siab lim hiam hom SPD (T2) muaj peev xwm loj dua ntawm 8 / 20μs tam sim no yoj, tab sis los ntawm 10 / 350μs waveform tam sim no muaj peev xwm tsuas yog 1/20 ntawm nws cov nominal muaj nqis. Thiab raws li lub teb chaws tus qauv tam sim no, thoob ntiaj teb hauv kev sib tw luv luv tam sim no yuav tsum tau txais cov kev hloov uas tsim nyog (simulated) hloov cov tooj liab cov tub ntxhais sib xyaw. Tsis tsuas yog hais tias, kev sim tshuaj txuas ntxiv thiab xob laim tiv thaiv kev xyaum qhia tau hais tias xob quaj nrog ib leeg tib mem hluav taws xob siab kuaj sim SPD txoj kev thiab qhov tseeb ntawm cov xob laim tiag tiag rau lub sijhawm ntawm ntau tus mem tes, los ntawm lub siab ntawm xob laim lab mus kuaj ntawm ib leeg pulse SPD nyob rau hauv lub siab kam tiag tiag thiab nws cov nominal muaj nuj nqi thaum ntaus los ntawm xob laim, feem ntau ua rau tawg mus rau hauv nplaim taws SPD overheating, hluav taws kub sib tsoo. Guangzhou cov hluav taws xob sim kuaj lub hauv paus rau Lub Yim Hli 12, 2008, SPD xob laim thaiv kev kuaj, ntawm chav kawm: qhov tsis zoo polarity tsis yog ib leeg LEMP muaj yim lub sijhawm rov qab, qhov siab tshaj tam sim no 26.4 kA, qhov dej ntws tam sim no los ntawm SPD yog qhov siab tshaj plaws rau 1.64 kA , nominal tam sim no 20 kA's SPD kev puas tsuaj. [Shaodong Chen, Shaojie Yang thaum Lub Yim Hli 12, 2011 hauv Brazil, xws li 14th thoob ntiaj teb kev sib tham ntawm cov ntawv xov xwm hluav taws xob hauv ntiaj teb: Tau Pom los ntawm Kev Ntsuam Xyuas Tshiab Pom Tshiab rau hauv qhov tam sim no muaj txiaj ntsig rau Cov Kev Tiv Thaiv Sab Nraud] .Tso suav, lub zog hluav taws xob ncaj qha tawg luv luv Circuit Court tam sim no, lub zog thiab lub sijhawm los koom tes, tuaj yeem tiv taus cov hluav taws xob kev poob siab ntau dua SPD peb thoob ntiaj teb cov cuab yeej nyuaj nyuaj hauv kev txhim kho thiab ntau lawm.
[0006] Raws li qhov tshwm sim, txoj kev txhim kho uas tuaj yeem tiv taus lub teeb meem tiag tiag xob laim pulse cuam tshuam muaj peev xwm, tab sis kuj tau ncaj qha luv luv Circuit Court tam sim no fais fab zaus (tsis xav tau tooj liab thaiv qhov hloov), thiab lub zog thiab lub sijhawm los koom tes nrog theem nrab kuaj SPD (T2), uas tsis yog tsuas yog kev thov maj nrawm hauv kev tiv thaiv ntawm kev tiv thaiv xob laim nyob hauv tsev thiab sab nraud, thiab yog keeb kwm dhau los ntawm kev siv hluav taws xob tiv thaiv xob laim.
Cov ntsiab lus tsim muaj
[0007] lub hom phiaj ntawm kev tsim kho no yog kom kov yeej qhov tsis txaus thiab tsis muaj dab tsi ntawm cov thev naus laus zis uas muaj, muab ntau txoj kev tiv thaiv mem tes loj, tus tiv thaiv phais tau ncaj qha luv luv tam sim no lub zog hluav taws xob (tsis tas yuav hloov lub tooj liab), lub zog thiab lub sijhawm kom muaj kev sib koom tes, muaj peev xwm tiv thaiv lub teeb hluav taws xob tiag tiag, qhov zoo ntawm ntau qhov kev cuam tshuam mem tes thiab tuaj yeem hla cov kev xeem theem T2, siv rau kev teeb tsa hauv cov tuam tsev, yog li muaj kev tiv thaiv zoo tshaj ntawm qhov hluav taws xob tsawg faib hluav taws xob ntawm cov khoom siv hluav taws xob thiab hluav taws xob.
[0008] hauv kev txiav txim siab kom ua tiav lub hom phiaj saum toj no, qhov kev tsim tawm tam sim no raws li cov txheej txheem nram qab no:
[0009] tus tiv thaiv hluav taws xob, ntau tus mem tes tiv thaiv ontology, suav nrog lub cev tiv thaiv sab hauv lub xaim hluav taws xob tau piav qhia yam tsawg kawg nrog kev tiv thaiv kev tiv thaiv cov ntsiab lus ntawm pulsed siab tam sim no kev poob siab siab dhau ntawm kev tiv thaiv Circuit Court, ntawm lawv, txhua qib ntxiv pulsed siab tam sim no kev poob siab siab tsis pub dhau kev tiv thaiv Circuit Court muaj tsawg kawg yog varistor thiab thaub qab tiv thaiv cov ntsiab lus tsim ib ceg ua series.
[0010] ntxiv lub cev tiv thaiv sab hauv lub cev xaim ceg tau piav qhia nrog multistage ntau tus mem tes tam sim no kev poob siab siab lim hiam thaiv kev tiv thaiv Circuit Court, txhua theem ntawm ntau tus mem tes tam sim no poob siab lim hiam thaiv kev tiv thaiv Circuit Court muaj tsawg kawg ib qho varistor thiab fuse los tsim ib lub plawv ntsig series ceg, ib qho ntawm thawj thawj ceg varistor dc voltage rau Utl, qib ob theem saum toj saud ceg tuam txhab ntawm varistor dc voltage rau Utl + Λ Un, η rau 1 txog 9.
[0011] piav qhia ntxiv nyob rau hauv lub cev tiv thaiv kuj muaj txhaum taw qhia lub teeb hluav taws xob, qhov taw qhia txhaum lub teeb Circuit Court suav nrog lub teeb thiab zoo tib yam kuj tiv thaiv kab ceg, cov ceg txuas kev sib txuas nyob rau thawj theem ntawm pulsed siab tam sim no lub siab poob siab tiv thaiv Circuit Court ntawm varistor thiab fuse. mem tes.
[0012] ntxiv tau piav qhia nyob rau hauv lub cev tiv thaiv kab mob kuj tseem muaj lub nplauv sib txuas lus.
[0013] piav ntxiv nyob rau hauv lub tiv thaiv ntawm ontology xoom kab ceg teeb tsa kuj muaj ntau pulsed siab tam sim no kev poob siab siab tsis pub dhau kev tiv thaiv Circuit Court, ntau tus mem tes siab tam sim no qhov siab siab lim hiam thaiv kev tiv thaiv Circuit Court muaj tsawg kawg varistor thiab ib qho kev tiv thaiv rov qab tiv thaiv cov ntsiab lus. chav ua haujlwm txuas. [0014] tus tiv thaiv kab mob tiv thaiv, ntau tus mem tes suav nrog tus tiv thaiv ntawm ontology, tau piav qhia tus tiv thaiv qhov chaw ntawm lub cev muaj peb-theem Circuit Court, Circuit Court tau piav qhia nyob rau hauv txhua theem ntawm cov ceg hluav taws tau teeb tsa tsawg kawg theem nrog kev tiv thaiv tiv thaiv cov ntsiab lus ntawm pulsed siab tam sim no lub siab poob siab los tiv thaiv. Circuit Court, ntawm lawv, txhua theem ntau pulsed siab tam sim no poob siab siab lim hiam thaiv kev tiv thaiv Circuit Court muaj tsawg kawg yog varistor thiab thaub qab tiv thaiv cov ntsiab lus tsim ib ceg ua haujlwm.
[0015] piav qhia ntxiv nyob rau hauv txhua theem ntawm lub Circuit Court hlau ceg teeb tsa ntau dua multistage mem tes tam sim no kev poob siab siab tsis pub dhau kev tiv thaiv Circuit Court, txhua theem ntawm ntau tus mem tes tam sim no kev poob siab siab lim hiam thaiv kev tiv thaiv Circuit Court muaj tsawg kawg yog ib qho varistor thiab fuse los tsim cov mem tes series. ceg, ib qho ntawm thawj series ceg varistor dc voltage rau Utl, qib ob theem saum toj txheej txheem ceg ntawm varistor dc voltage rau Utl + Λ Un, η rau 1 txog 9.
[0016] piav ntxiv nyob rau hauv lub cev tiv thaiv kuj muaj txhaum taw qhia lub teeb hluav taws xob, qhov taw qhia txhaum lub teeb Circuit Court suav nrog lub teeb thiab zoo tib yam tsis zoo series series, cov ceg kab hluav taws xob txuas nrog txhua thawj theem ntawm pulsed siab tam sim no poob siab siab dhau qhov kev tiv thaiv Circuit Court ntawm varistor thiab fuse mem tes.
[0017] ntxiv tau piav qhia nyob rau hauv lub cev tiv thaiv kab mob kuj tseem muaj lub nplauv sib txuas lus.
[0018] piav qhia ntxiv nyob rau hauv lub tiv thaiv ntawm ontology xoom kab ceg teeb tsa kuj muaj ntau pulsed siab tam sim no kev poob siab siab tsis pub dhau kev tiv thaiv Circuit Court, ntau tus mem tes siab tam sim no qhov kev txiav siab siab lim hiam thaiv kev tiv thaiv Circuit Court muaj tsawg kawg varistor thiab thaub qab tiv thaiv cov ntsiab lus daim ntawv. ib tug series ceg.
[0019] kev tsim ub no piv nrog cov thev naus laus zis uas twb muaj lawm, nws cov txiaj ntsig tau muaj txiaj ntsig zoo li hauv qab no:
[0020] 1. qhov tsim muaj zoo heev txhim kho lub teeb hluav taws xob tiv thaiv hluav taws xob, muaj lub luv luv tam sim no lub zog hluav taws xob ncaj qha ncaj qha (tsis xav tau tooj liab thaiv hloov) muaj peev xwm, daws SPD (T2) tshwj tseg thaum luv luv Circuit Court tsoo nws tus kheej, zoo heev txhim kho kev ruaj ntseg ntawm SPD (T2); Muaj lub zog zoo heev thiab lub sijhawm los koom tes, txhua tus txais yuav lub siab rhiab ua cov feem tseem ceeb ntawm SPD (T2), daws cov hybrid SPD tsis koom tes ntawm lub zog thiab lub sijhawm; Nrog ntau lub mem tes hauv qab qhov cuam tshuam ntawm lub peev xwm xob laim, daws nrog ib qho kuaj ntsuas ntshav SPD tsis tuaj yeem lav qhov tseeb ntau lub plawv dhia teeb meem xob laim teeb meem.
[0021] 2. qhov kev tsim tawm tam sim no haum rau kev teeb tsa hauv cov vaj tsev, yog li muaj kev tiv thaiv zoo dua ntawm kev faib hluav taws xob tsawg ntawm cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob, tshwj xeeb yog qhov tseem ceeb rau kev nkag siab ntawm kev tiv thaiv overvoltage tiv thaiv ntawm cov khoom siv hluav taws xob, lav qhov kev nyab xeeb thiab ua haujlwm ntawm cov khoom siv hluav taws xob.
[0022] 3. dav siv tam sim no tsim muaj, yuav txo tau xob quaj thiab xob laim ntawm kev kub ntxhov tshwm sim; Nyob rau tib lub sijhawm, qhov kev tsim tawm tam sim no tag nrho cov qauv yooj yim thiab tsim nyog, nqi nruab nrab, kev khiav hauj lwm thiab txij nkawm yooj yim, muaj kev lag luam zoo heev thiab muaj txiaj ntsig zoo.
[0023] hauv kev txiav txim siab kom nkag siab meej txog kev nthuav tawm tam sim no, cov hauv qab no yuav ua ke cov duab txuas ntxiv hauv cov ntawv sau no, kev siv pob zeb ua ke ntawm kev nthuav tawm tam sim no.
[0024] Daim duab 1 yog qhov pib tsim qhov piv txwv 1 muaj thawj zaug ntau tus mem tes tam sim no nyob rau hauv ib-Circuit Court cuam tshuam siab txwv kev tiv thaiv Circuit Court schematic daim duab ntawm Circuit Court.
[0025] daim duab 2 yog qhov kev tsim tawm tam sim no muaj nyob rau hauv ib-qib kev siv Circuit Court piv txwv 1 qib 3 ntau tus mem tes tam sim no lub zog siab lim hiam tiv thaiv Circuit Court schematic daim duab ntawm Circuit Court.
[0026] daim duab 3 yog qhov kev tsim ua piv txwv 2 ntu XNUMX ntu kev teeb tsa Circuit Court schematic daim duab ntawm Circuit Court.
[0027] daim duab 4 yog qhov tsim muaj siv lub xeev ntawm cov ntawv sib txuas rau hauv Circuit Court.
Koom kev siv txoj hauv kev
Case 1
[0028] Kev coj ua piv txwv 1
[0029] raws li qhia hauv daim duab 1, kev tsim tawm tam sim no tau piav qhia ntau tus mem tes surge tiv thaiv, nws suav nrog tus tiv thaiv ontology, lub cev tiv thaiv ntawm hluav taws nyob rau hauv cov ceg theem ntau pulsed siab tam sim no poob siab siab lim hiam tiv thaiv Circuit Court, ntau tus mem tes siab tam sim no cuam tshuam siab txwv. kev tiv thaiv Circuit Court muaj tsawg kawg yog ib qho varistor TMOVl thiab fuse Mbl daim series ceg ceg, lub mem tes siab rhiab qhov cuam tshuam ntawm dc ua hauj lwm voltage rau% .Thaum kawg, tau piav qhia hauv lub cev tiv thaiv kuj muaj qhov taw qhia txhaum lub teeb hluav taws xob thiab cov sib txuas lus sib txuas, qhov taw qhia lub teeb hluav taws xob suav nrog lub teeb D thiab zoo tib yam R series ceg, koob txuas ceg txuas rau hauv thawj qib pulsed siab tam sim no lub zog siab lim hiam thaiv kev tiv thaiv Circuit Court ntawm varistor TMOVl thiab mem tes fuse ntawm Mbl. Piav qhia nyob rau hauv tus tiv thaiv ntawm ontology ntawm xoom kab ceg teeb tseem yuav ua li cas pulsed siab tam sim no kev poob siab siab lim hiam thaiv kev tiv thaiv Circuit Court, ntau tus mem tes siab tam sim no qhov siab siab lim hiam thaiv kev tiv thaiv Circuit Court kuj suav nrog yam tsawg kawg varistor thiab thaub qab kev tiv thaiv ntsiab tsim ib ceg kab.
[0030] raws li qhia hauv daim duab 2, qhov kev tsim tawm tam sim no piav qhia lub cev tiv thaiv hluav taws hauv lub ceg muaj qib 3 ntau tus mem tes tam sim no lub zog siab lim hiam thaiv kev tiv thaiv Circuit Court, txhua qib ntawm ntau tus mem tes tam sim no kev poob siab siab lim hiam thaiv kev tiv thaiv Circuit Court muaj tsawg kawg ib qho hloov pauv thiab fuse los ua ib lub voj voog pulse series ceg, ib qho ntawm thawj series ceg varistor dc voltage rau Utl, theem nrab series ceg ntawm varistor dc voltage rau Utl + Λ U1, lub koob thib peb ceg ntawm varistor dc voltage rau Ud + AUy lwm cov qauv qauv thiab tib yam li pom hauv daim duab 1.
[0031] cov kev sim qhia pom tau hais tias qhov kev tsim tawm tam sim no tau lees paub los ntawm kev muaj peev xwm loj txaus thiab muaj lub zog me me tso tawm cov ntsiab lus tawm ntawm cov mem tes ntawm lub peev xwm fuse (MB) thiab hlau zinc oxide varistor (MOV), raws li kev txiav txim siab parameter tswj thev naus laus zis ( discrete parameter tswj thev naus laus zis yog taw tes rau tib cov khoom lag luam, siv ntau dua ib qho tsis sib xws yog qhov loj dua cov khoom siv sib xyaw ua ke thiab kev tswj hwm ntawm ntau cov cuab yeej ua ke, ua ke kom ua tiav ib lossis ntau qhov kev tsim cov qauv) series ntawm graded breaking technology (hierarchical breaking) thev naus laus zis hais txog cov muaj pes tsawg leeg SPD txhua ceg ntawm cov khoom siv tiv thaiv kev tiv thaiv ntawm lub Circuit Court hauv luv Circuit Court, lub zog hluav taws xob tuaj yeem nqa ntawm cov kauj ruam tawg los ntawm cov kauj ruam raws li cov qauv tsim, ua SPD tawm ntawm cov hluav taws xob sib txuas, kom thiaj li txhim kho kev ruaj ntseg ntawm siv SPD, ua rau lub fuse thaum luv luv Circuit Court fais fab zaus lub plawv dhia ceev ceev tau ua rau hluav taws xob tsis tshua muaj hluav taws xob faib kab tsis yog affe cted los ntawm SPD luv-Circuit Court tiv thaiv kev tiv thaiv muaj nuj nqi, pom tau hais rau hauv lub zog hluav taws xob thaum lub luv Circuit Court ntsuas tsis xav tau qhov tooj liab hloov ntawm MOV fais fab zaus ncaj qha tsoo luv luv Circuit Court tam sim no; Txais cov lus pom zoo txhua qhov siv nrog tshav kub MOV thiab nqa tawm raws li kev txiav txim siab parameter tswj kev siv tshuab ntawm khib-txawm tias sib txuam thev naus laus zis (khib-txawm tias txuam nrog cov cuab yeej hais txog tag nrho cov ceg ntawm SPD Circuit yog khib lossis txawm muaj pes tsawg tus, xav tau raug faib parameter sib txuam thev naus laus zis technology), kov yeej SPD (T2) tus tes hloov qhov thiab lub siab lim hiam ntaus khoom sib xyaw tsim, nws lub zog thiab lub sijhawm koom tes nrog tsis tuaj yeem ua kom tiav qhov tsis xws ntawm inhibition ntawm xob laim impulse, siv zog thiab lub sijhawm los koom tes; Txais cov multilevel MOV micro ntsuas sib npaug sib faib cov khoom faib ntawm cov sib txig sib luag ntawm cov thev naus laus zis sib txawv, ua rau SPD thaum los ntawm lub teeb hluav taws xob, txhua lub ceg ntawm cov kab mob MOV tau sib npaug los ntawm xob laim impulse tam sim no, thiaj li kom paub qhov tseeb xob laim SPD nyob rau hauv ntau lub plawv ntsig kev muaj peev xwm.
Rooj plaub 2 [0032] [0033] raws li qhia hauv daim duab 3, qhov kev tsim tawm tam sim no tau piav qhia txog ntau qhov kev tiv thaiv pauj plawv, nrog rau tus tiv thaiv ontology, tau piav qhia txog cov chaw tiv thaiv lub cev muaj peb-theem Circuit Court, xaim ntawm txhua ceg Circuit Court teeb tsa ntau dua peb npaug mem tes tam sim no poob siab siab lim hiam thaiv kev tiv thaiv Circuit Court, txhua theem ntawm ntau tus mem tes tam sim no lub zog siab lim hiam thaiv kev tiv thaiv Circuit Court muaj tsawg kawg ib qho varistor thiab fuse los ua ib tus qauv pulse series ceg, ib qho ntawm thawj series ceg varistor dc voltage rau Utl, siab rhiab tiv ntawm secondary series ceg ntawm dc ua hauj lwm voltage U0 + Δ U1, lub koob thib peb ceg siab rhiab qhov siab ntawm qhov ua haujlwm dc voltage U0 + Δ U2.Other qauv hom thiab siv piv txwv 1 theem pib zoo ib yam.
[0034] raws li qhia hauv daim duab 4, thaum siv, tsuas yog tso ntau qhov kev tiv thaiv mem tes tiv thaiv ntau tshaj thawj qib ntawm pulsed siab tam sim no lub zog poob siab tiv thaiv Circuit Court ntawm lub xov hluav taws xob txuas nrog lub xaim hluav taws xob ntawm qhov hluav taws xob tsawg kis Circuit Court; Thawj qib eta ntau pulsed siab tam sim no poob siab siab lim hiam thaiv kev tiv thaiv Circuit Court cov zis hluav taws xob thiab cov hluav taws xob tsawg ntawm cov kab hluav taws xob ntawm cov kab hlau hauv av, tuaj yeem ua tiav kev teeb tsa ntawm cov thaiv kev tiv thaiv, yooj yim, yooj yim thiab kev nyab xeeb.
[0035], qhov kev tsim tawm tam sim no tsis txwv rau qhov kev siv saum toj no ntawm kev tsim ub no yog tias muaj kev hloov lossis txawv txav (xws li cov yam ntxwv ntawm tus qauv ntawm lub thawv lossis hom module; Los ntawm cov tsheb khiav ntawm qhov loj ntawm daim ntawv ntawm ib theem lossis peb theem muab ntau hom tiv thaiv kev tiv thaiv) tsis yog los ntawm tus ntsuj plig thiab lub zog ntawm qhov tsim muaj tam sim no, yog tias cov kev hloov pauv thiab kev hloov pauv ntawm qhov tsis txaus siab tam sim no qhov kev tsim muaj thiab qhov sib npaug thev naus laus zis, kev tsim tawm tam sim no kuj cia siab nrog rau cov kev hloov pauv no thiab cov foos.
Thov (10)
- Tus tiv thaiv kab mob tiv thaiv, ntau tus mem tes suav nrog tus tiv thaiv ntawm ontology, uas nws tus cwj pwm yog: lub cev tiv thaiv sab hauv lub xaim hlau tau piav qhia tsawg kawg theem nrog cov kev tiv thaiv tiv thaiv cov ntsiab lus ntawm pulsed siab tam sim no lub siab poob siab dhau ntawm kev tiv thaiv Circuit Court, ntawm lawv, txhua qib ntxiv pulsed siab tam sim no poob siab. siab lim hiam thaiv kev tiv thaiv Circuit Court muaj tsawg kawg yog varistor thiab thaub qab kev tiv thaiv cov ntsiab lus tsim ib ceg ua series.
- Raws li cov lus thov 1 ntau tus mem tes nrawm tus neeg tiv thaiv, nws tus yam ntxwv yog: lub cev tiv thaiv sab hauv lub xaim hlau tau piav qhia nrog multistage ntau tus mem tes tam sim no lub zog siab lim hiam thaiv kev tiv thaiv Circuit Court, txhua qib ntawm ntau tus mem tes tam sim no lub zog siab lim hiam tiv thaiv Circuit Court muaj tsawg kawg ib varistor thiab fuse los ua ib lub voj voos ntsig ceg ceg ntoo, ib qho ntawm thawj series ceg varistor ntawm dc ua hauj lwm voltage rau Utl, qib ob theem saum toj no varistor series ceg ntawm dc ua haujlwm voltage U0 + Λ Un, η rau 1 txog 9.
- Raws li cov lus thov 2 ntau tus mem tes raum tus tiv thaiv, nws tus yam ntxwv yog: tus tiv thaiv lub cev kuj tau hais qhia qhov ua tsis taus Circuit Court, qhov taw qhia txhaum lub teeb Circuit Court suav nrog lub teeb thiab zoo tib yam kuj tiv thaiv kab ceg, koob ceg txuas kev sib txuas hauv thawj qib pulsed siab tam sim no lub zog loj siab. kev tiv thaiv Circuit Court ntawm varistor thiab mem tes ntawm lub fuse.
- Raws li cov lus thov 1 ntau tus mem tes phais tiv thaiv, uas nws tus cwj pwm yog: tus tiv thaiv lub cev kuj tau piav qhia nrog lub suab sib txuas lus.
- Raws li cov lus thov 1 ntau tus mem tes nrawm tus tiv thaiv, nws tus yam ntxwv yog: lub xoom kab ntawm tus tiv thaiv ontology tseem teeb tsa tsawg dua ntau tshaj thawj thawj zaug pulsed siab tam sim no kev poob siab siab lim hiam tiv thaiv Circuit Court, ntawm lawv, txhua qib ntxiv pulsed siab tam sim no poob siab siab limiting. kev tiv thaiv Circuit Court muaj yam tsawg kawg varistor thiab thaub qab tiv thaiv cov ntsiab lus tsim ib ceg ua series.
- Tus tiv thaiv kab mob tiv thaiv, ntau tus mem tes suav nrog tus tiv thaiv ntawm ontology, tau piav qhia tus tiv thaiv thaj chaw ntawm lub cev muaj peb-theem Circuit Court, uas nws tus cwj pwm yog: txhua ntu ntawm Circuit Court piav qhia nyob rau hauv xaim ceg teeb tsa tsawg kawg theem nrog kev tiv thaiv tiv thaiv ntawm pulsed siab tam sim no poob siab siab lim hiam thaiv kev tiv thaiv Circuit Court, ntawm lawv, txhua theem ntau pulsed siab tam sim no lub siab poob siab tiv thaiv Circuit Court muaj yam tsawg kawg varistor thiab thaub qab tiv thaiv khoom tsim ib ceg series.
- Raws li cov lus thov 6 ntau tus mem tes tiv thaiv hluav taws xob tiv thaiv, nws tus yam ntxwv yog: txhua theem ntawm lub Circuit Court piav qhia nyob rau hauv cov ceg hlau teeb tsa ntau tshaj multistage mem tes tam sim no kev poob siab siab dhau ntawm kev tiv thaiv Circuit Court, txhua theem ntawm ntau tus mem tes tam sim no poob siab siab dhau kev tiv thaiv Circuit Court muaj tsawg kawg ib qho varistor thiab fuse los tsim cov mem tes series ceg, ib qho ntawm thawj series ceg varistor ntawm dc ua hauj lwm voltage rau Utl, qib ob theem saum toj no varistor series ceg ntawm dc ua haujlwm voltage U0 + Λ Un, η rau 1 txog 9.
- Raws li cov lus thov 7 ntau tus mem tes raum tus tiv thaiv, nws tus yam ntxwv yog: tus tiv thaiv lub cev kuj tau piav qhia qhov taw qhia txhaum lub teeb hluav taws xob, qhov taw qhia txhaum lub teeb hluav taws xob muaj xws li lub teeb thiab zoo tib yam kev sib tw series ceg, koob ceg kab hluav taws xob txuas nrog txhua thawj theem ntawm pulsed. siab ceev tam sim no siab lim hiam thaiv kev tiv thaiv Circuit Court ntawm varistor thiab fuse mem tes.
- Raws li cov lus thov 6 ntau tus mem tes phais tiv thaiv, uas nws tus cwj pwm yog: tus tiv thaiv lub cev kuj tau piav qhia nrog lub suab sib txuas lus.
Ntau tshaj 10. Raws li daim ntawv thov 6 tus mem tes nrawm tiv thaiv tus tiv thaiv, nws tus yam ntxwv yog: xoom txoj kab ntawm tus tiv thaiv ontology tseem teeb tsa tsawg kawg tshaj thawj thawj pawg pulsed siab tam sim no lub zog siab lim hiam siab tiv thaiv Circuit Court, ntawm lawv, txhua qib ntxiv pulsed siab tam sim no ceeb siab lim hiam siab tiv thaiv Circuit Court muaj tsawg kawg yog varistor thiab thaub qab tiv thaiv cov ntsiab lus tsim ib ceg ua series.
