Dab tsi txhais tau tias IEC 61643-11 Hom 1 SPD?
Raws li qhov IEC 61643-11 Hom 1 SPD tus qauv, cov khoom siv no yuav tsum tiv taus qhov 10/350 µs waveform surge, uas simulates qhov tam sim no ntawm kev tawm tsam ncaj qha.
Tsis zoo li cov khoom siv tiv thaiv downstream, ib qho Hom 1 surge protective device SPD raug ntsia rau ntawm qhov rooj nkag kev pabcuam lossis lub rooj faib khoom loj los ua thawj txheej ntawm kev tiv thaiv hauv ib qho tiav kev sib koom tes tiv thaiv kev kub ntxhov.
Hauv cov tshuab fais fab niaj hnub no, cov hluav taws xob tiv thaiv hluav taws xob ua kom ntseeg tau tias cov hluav taws xob xob laim raug xa mus rau hauv av kom muaj kev nyab xeeb ua ntej lawv kis mus tob dua rau hauv lub network hluav taws xob.
Cov kev daws teeb meem qib kev lag luam rau kev tiv thaiv nkag tuaj yeem pom muaj nyob rau hauv kev tshaj lij cov txheej txheem tiv thaiv kev kub ntxhov siv rau hauv cov chaw tsim khoom, cov chaw tsim khoom, thiab cov chaw tsim hluav taws xob rov ua dua tshiab.
Cov SPDs Hom 1 Tiv Thaiv Cov Vaj Huam Sib Luag Nkag Mus Rau Kev Pabcuam Li Cas?
Ib tiv thaiv hluav taws xob nkag mus rau kev pabcuam ua haujlwm los ntawm kev hloov cov hluav taws xob los ntawm txoj kab hluav taws xob mus rau lub kaw lus grounding.
Cov khoom siv no tau tsim tshwj xeeb los tiv taus lub zog siab uas cuam tshuam nrog 10/350 µs waveform surge protector kev xeem uas xav tau los ntawm cov qauv IEC.
Cov Txheej Txheem Tso Tawm Hluav Taws Xob
Thaum xob laim ntaus rau txoj hlua fais fab lossis cov qauv ze, cov hluav taws xob loj loj tuaj yeem nkag mus rau hauv qhov chaw teeb tsa hluav taws xob.
Lub xob laim tam sim no tiv thaiv hluav taws xob ua kom cov khoom tiv thaiv sab hauv ua haujlwm xws li:
-
qhov sib txawv ntawm cov hluav taws xob
-
Cov raj xa roj (GDT)
-
Cov hlau oxide varistors hnyav (MOV)
Cov khoom no xa hluav taws xob mus rau hauv av ncaj qha, tiv thaiv kev overvoltage los ntawm kev ua puas rau cov khoom siv hauv qab.
Ib lub vaj huam sib luag tseem ceeb tiv thaiv kev cuam tshuam yog li ntawd ua haujlwm ua thawj theem ntawm Hom 1 Hom 2 Hom 3 SPD kev tiv thaiv, xyuas kom meej tias lub zog nce siab maj mam txo qis thoob plaws hauv lub system.
Cov Yam Ntxim Saib Xyuas ntawm Hom 1 SPD
| Cov Qauv | Kev piav qhia |
|---|---|
| Tus Qauv | IEC 61643-11 Hom 1 SPD |
| Kev sim waveform | 10/350 µs xob laim tam sim no |
| Cov yam ntxwv tseem ceeb | Iimp impulse discharge tam sim no |
| Qhov chaw teeb tsa | Rooj vag nkag kev pabcuam / lub rooj faib khoom loj |
| Kev Ua Haujlwm | Kev tso tawm tam sim no xob laim |
| Lub luag haujlwm ntawm lub kaw lus | Thawj theem ntawm kev tiv thaiv kev sib koom tes tiv thaiv kev kub ntxhov |
Cov no Cov khoom siv tiv thaiv hluav taws xob Iimp yog qhov tseem ceeb rau kev teeb tsa uas muaj cov tshuab tiv thaiv xob laim sab nraud lossis nyob hauv thaj chaw muaj xob laim ntau.
Rau kev teeb tsa uas muab kev tiv thaiv xob laim thiab kev hloov pauv hluav taws xob ua ke hauv ib chav, cov engineers feem ntau xa cov khoom siv hluav taws xob Hom 1 + 2 cov khoom siv tiv thaiv kev kub ntxhov.
Cov DIN Rail Hom 1 Surge Protectors Siv Tau Qhov Twg?
Ib DIN rail Hom 1 tiv thaiv kev co yog tsim los rau kev teeb tsa sab hauv cov vaj huam sib luag faib hluav taws xob siv cov qauv DIN rail mounting.
Qhov kev teeb tsa no tso cai rau kev sib koom ua ke yooj yim rau hauv cov chaw hloov pauv kev lag luam thiab cov txee hluav taws xob.
Cov Ntawv Thov Feem Ntau
Cov kev teeb tsa ib txwm muaj xws li:
-
cov tshuab faib hluav taws xob rau kev lag luam
-
cov chaw hloov pauv loj hauv tsev lag luam
-
cov chaw khaws ntaub ntawv thiab cov chaw tsim kho hauv kev sib txuas lus
-
cov tshuab fais fab photovoltaic
-
kev thauj mus los
Cov chaw ib puag ncig no xav tau kev ntseeg siab kev tiv thaiv xob laim hauv kev lag luam kom tiv thaiv kev poob haujlwm thiab kev puas tsuaj ntawm cov khoom siv.
Ib qho tsim tau zoo lub cuab yeej tiv thaiv xob laim ua kom ntseeg tau tias cov hluav taws xob xob laim raug hloov pauv kom muaj kev nyab xeeb ua ntej lawv mus txog cov khoom siv hluav taws xob rhiab heev.
Hauv kev tsim qauv engineering, cov khoom siv no ua haujlwm ua ke nrog cov chaw tiv thaiv downstream ua ib feem ntawm a kev sib koom tes tiv thaiv kev kub ntxhov.
Yuav Ua Li Cas Kom Paub Tseeb Tias Hom 1 SPD Sib Xws Nrog TN-S lossis TT Systems?
Kev xaiv SPD kom raug yuav tsum xav txog qhov kev teeb tsa av ntawm lub kaw lus.
Cov kev npaj av sib txawv xav tau cov qauv hluav taws xob SPD sib txawv kom ntseeg tau tias muaj kev nyab xeeb ntawm kev tso tawm tam sim no.
Cov Txheej Txheem Av Sib Xws
Feem ntau cov kev teeb tsa hluav taws xob siv ib qho ntawm cov qauv grounding hauv qab no:
-
TN-S system
-
TT system
Ob qho tib si xav tau cov kev sib txuas SPD tshwj xeeb kom tswj tau qhov kev ua haujlwm hauv av kom zoo.
Kev Teeb tsa SPD rau Cov Txheej Txheem Sib Txawv
| Lub kaw lus av | Txoj Kev Txuas SPD | Cov Qauv SPD Ib Txwm Muaj |
|---|---|---|
| TN-S | Kev tiv thaiv LN thiab N-PE | 3P + N kev teeb tsa |
| TT | Kev tiv thaiv L-PE thiab N-PE | Kev teeb tsa 4P |
| Cov txheej txheem kev lag luam | Kev teeb tsa SPD sib koom ua ke | Hom 1 + Hom 2 SPD |
Kev xaiv ib qho sib xws TN-S TT earthing surge tiv thaiv kev teeb tsa ua kom ntseeg tau tias cov hluav taws xob tam sim no raug tso tawm kom nyab xeeb yam tsis muaj kev sib txawv txaus ntshai hauv kev teeb tsa.
Cov kws ua haujlwm tsim cov tshuab tiv thaiv xob laim feem ntau hais txog cov kev coj ua haujlwm teeb tsa xws li Phau ntawv qhia kev teeb tsa SPD hom 1 kom ntseeg tau tias kev sib koom ua ke ntawm lub kaw lus zoo.
Xaus lus
Ib Hom 1 tiv thaiv kev kub ntxhov ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv cov teeb tsa hluav taws xob los ntawm cov hluav taws xob ncaj qha nkag los ntawm cov kab hluav taws xob.
Raws li txhais los ntawm IEC 61643-11 Hom 1 SPD, cov khoom siv no yuav tsum tiv taus cov hluav taws xob siab uas sawv cev los ntawm 10/350 µs waveform surge.
Thaum ntsia rau ntawm qhov rooj nkag kev pabcuam lossis lub rooj faib khoom loj, Hom 1 surge protective device SPD cov chav ua haujlwm ua thawj theem ntawm kev sib koom tes tiv thaiv, tsim lub hauv paus ntawm kev ntseeg tau Hom 1 Hom 2 Hom 3 SPD kev tiv thaiv kev tsim vaj tsev.
Los ntawm kev ua kom muaj kev sib raug zoo nrog TN-S TT earthing surge tiv thaiv cov kab ke thiab kev koom ua ke rau hauv ib qho kev sib koom tes tiv thaiv kev kub ntxhov tag nrho, cov engineers tuaj yeem tiv thaiv cov khoom siv hluav taws xob hauv kev lag luam tau zoo.
Cov Lus Nug Feem Ntau
Tus tiv thaiv hluav taws xob hom 1 yog dab tsi?
Ib qho khoom siv tiv thaiv hluav taws xob hom 1 yog ib lub cuab yeej tiv thaiv hluav taws xob uas tsim los tso tawm cov hluav taws xob muaj zog heev uas nkag mus rau hauv kev teeb tsa hluav taws xob los ntawm txoj hlua hluav taws xob.
Cov waveform twg siv los sim Hom 1 SPDs?
Hom 1 SPDs raug sim siv cov 10/350 µs xob laim impulse waveform, uas simulates qhov tam sim no ntawm kev tawm tsam ncaj qha.
Yuav tsum tau nruab ib lub cuab yeej tiv thaiv hluav taws xob hom 1 qhov twg?
Feem ntau nws raug teeb tsa ntawm qhov rooj nkag lossis lub rooj faib khoom loj kom muab kev tiv thaiv xob laim thawj zaug.
Qhov ntsuas Iimp hauv Hom 1 SPD yog dab tsi?
Lub Kev ntsuas Iimp txhais lub peev xwm tam sim no ntawm impulse discharge ntawm Type 1 SPD nyob rau hauv 10/350 µs lightning test waveform.
Puas siv tau hom 1 SPDs hauv TN-S lossis TT earthing systems?
Yog. Hom 1 SPDs yog tsim los rau kev sib raug zoo nrog ob qho tib si TN-S thiab TT earthing systems thaum siv cov qauv hluav taws xob kom raug.