Phau Ntawv Qhia Tag Nrho rau Cov Khoom Siv Surge Arresters rau Kev Tiv Thaiv Hnub Ci thiab Xob laim
Kuv tau pom xob laim ua rau cov chaw tsim khoom thiab cov chaw tsim hluav taws xob kaw thaum hmo ntuj, yog li kuv ib txwm kho ib qho Cov Khoom Siv Tiv Thaiv Surge thiab lub tswv yim tiv thaiv kev nce siab ua qhov tsis sib haum xeeb.
Ib phau ntawv qhia txog cov khoom siv tiv thaiv hluav taws xob piav qhia txog yuav ua li cas thiaj li hloov tau xob laim thiab hluav taws xob dhau mus rau hauv av, tiv thaiv cov kab ke hnub ci, cov tes hauj lwm hluav taws xob, thiab cov khoom siv tseem ceeb thaum txo cov nqi tsis ua haujlwm thiab kho.
Yog tias koj tswj hwm kev pheej hmoo, tus nqi, thiab lub sijhawm xa khoom, kev nkag siab txog cov khoom siv tiv thaiv hluav taws xob yuav pab koj tsim cov kab ke uas muaj sia nyob hauv kev ntxhov siab hluav taws xob hauv ntiaj teb tiag.
Dab tsi yog Surge Arrester thiab nws ua haujlwm li cas
Kuv feem ntau pib tshuaj xyuas qhov system los ntawm kev piav qhia txog yam uas lub surge arrester ua tiag tiag.
Ib lub cuab yeej tiv thaiv kom tsis txhob muaj hluav taws xob ntau dhau yog ib lub cuab yeej tiv thaiv uas txwv tsis pub muaj hluav taws xob ntau dhau los ntawm kev hloov lub zog hluav taws xob mus rau hauv av kom muaj kev nyab xeeb, tiv thaiv kev puas tsuaj ntawm cov khoom siv rwb thaiv tsev thiab kev puas tsuaj rau cov khoom siv.
Kuv pom ntau tus engineers tsis nkag siab txog cov surge arresters nrog rau cov surge protectors yooj yim. Hauv kev xyaum, lub surge arrester yog tsim los tswj cov theem zog siab dua, tshwj xeeb tshaj yog cov xwm txheej cuam tshuam nrog xob laim. Thaum muaj surge tuaj txog, lub arrester hloov ntawm qhov impedance siab mus rau qhov impedance qis hauv microseconds. Qhov kev ua no clamps voltage mus rau qib nyab xeeb thiab xa cov zog ntau dhau mus rau hauv av.
Hauv cov tshuab hluav taws xob uas muaj hluav taws xob tsawg, cov khoom siv tiv thaiv hluav taws xob tiv thaiv cov switchboards, transformers, thiab cov khoom siv hluav taws xob rhiab heev. Hauv kev teeb tsa hnub ci, lawv tiv thaiv PV arrays, combiner boxes, thiab inverters. Kuv tau pom kev tiv thaiv hluav taws xob rau cov chaw tsim khoom tsis ua haujlwm vim tias xaiv hom khoom siv tsis raug.
Los ntawm kuv qhov kev paub dhau los, qhov sib txawv tseem ceeb yog lub peev xwm tswj hwm lub zog. A Cov Khoom Siv Tiv Thaiv Surge siv ua lub cuab yeej tiv thaiv hluav taws xob yuav tsum phim nrog qhov kev raug hluav taws xob ntawm lub kaw lus, qhov zoo ntawm kev sib txuas hauv av, thiab qhov chaw teeb tsa. Thaum ua kom raug, nws maj mam nqus cov xwm txheej rov ua dua yam tsis cuam tshuam kev ua haujlwm.
Cov Hom Phiaj Siv Rau Cov Khoom Siv Hluav Taws Xob Thiab Lub Hnub Ci
Kuv ib txwm xaiv cov khoom siv tiv thaiv hluav taws xob raws li qib kev raug hluav taws xob ntau.
Cov cuab yeej tiv thaiv hluav taws xob hom 1 tiv thaiv cov hluav taws xob ncaj qha, thaum Hom 2 surge arresters tiv thaiv kev cuam tshuam thiab kev hloov pauv ntawm cov hluav taws xob hauv cov kab ke faib khoom.
Cov cuab yeej tiv thaiv hluav taws xob hom 1 raug teeb tsa rau ntawm qhov nkag mus rau qhov chaw uas cov hluav taws xob ncaj qha nkag mus. Lawv feem ntau nyob rau hauv thaj chaw muaj kev pheej hmoo siab thiab cov chaw sib txuas lus ntawm cov chaw siv hluav taws xob. Cov cuab yeej tiv thaiv hluav taws xob hom 2 raug teeb tsa rau hauv qab thiab yog cov kev xaiv siv dav tshaj plaws hauv kev tsim SPD hnub ci thiab kev lag luam.
Nov yog li cas kuv piav qhia qhov txawv rau cov pab pawg yuav khoom:
| Hom Arrester | Qib Zog Nce Siab | Qhov Chaw Ib Txwm Muaj |
|---|---|---|
| Hom 1 | Siab heev | Qhov rooj nkag mus rau kev pabcuam |
| Hom 2 | Nruab Nrab | Cov laug cam faib khoom |
| Hom 1 + 2 | Ua ke | Cov vaj huam sib luag tseem ceeb |
Rau feem ntau ntawm cov phiaj xwm hnub ci thiab kev lag luam, Hom 2 lossis cov khoom siv ua ke muab qhov sib npaug zoo tshaj plaws ntawm kev tiv thaiv thiab tus nqi. Qhov no tseem ceeb thaum kev koom tes mus sij hawm ntev thiab qhov zoo uas kwv yees tau yog qhov tseem ceeb.
DC Surge Arresters rau Lub Hnub Ci thiab PV Systems
Kuv ua tib zoo saib xyuas cov kev pheej hmoo ntawm DC surge hauv cov phiaj xwm hnub ci.
DC surge arresters tiv thaiv cov hluav taws xob PV los ntawm kev cuam tshuam los ntawm xob laim thiab kev hloov pauv hluav taws xob ntau dhau, tiv thaiv kev puas tsuaj ntawm inverter thiab module.
Cov voj voog DC ntev, nthuav tawm, thiab feem ntau xa mus rau sab nraum zoov. Qhov ntawd ua rau lawv tsis muaj zog txawm tias tsis muaj kev tawm tsam ncaj qha. Kuv ib txwm pom zoo kom siv cov cuab yeej DC surge arresters ntawm PV combiner boxes thiab inverter DC inputs.
Cov theem hluav taws xob sib txawv xav tau cov qauv tsim sib txawv. Piv txwv li, lub cuab yeej tiv thaiv hluav taws xob 24VDC ua haujlwm zoo rau cov voj voog tswj, thaum cov PV arrays uas muaj hluav taws xob ntau dua xav tau 600V, 1000V, lossis 1500V cov khoom siv ntsuas. Lub cuab yeej tiv thaiv hluav taws xob DC yuav tsum phim qhov hluav taws xob qhib siab tshaj plaws, tsis yog cov nqi nominal xwb.
Hauv kuv cov haujlwm, kev xaiv cov cuab yeej tiv thaiv hluav taws xob DC kom raug yuav txo tau qhov teeb meem ntawm cov inverter. Qhov no tseem ceeb heev rau kev siv SPD hauv kev lag luam uas lub sijhawm tsis ua haujlwm sai sai cuam tshuam rau cov sijhawm tsim khoom.
Cov Khoom Siv Tiv Thaiv Hluav Taws Xob Hnub Ci rau Cov Vaj Huam Sib Luag thiab Cov Tshuab PV
Kuv siv kev tiv thaiv hluav taws xob los ntawm lub hnub ua ib lub kaw lus, tsis yog ib lub cuab yeej xwb.
Cov khoom siv tiv thaiv hluav taws xob hnub ci tiv thaiv cov vaj huam sib luag, cov thawv sib txuas, thiab cov inverters los ntawm kev txwv qhov hluav taws xob dhau mus thoob plaws hauv lub kaw lus PV.
Feem ntau kuv teeb tsa cov khoom siv tiv thaiv hluav taws xob ntawm peb qhov chaw: ze ntawm lub PV array, sab hauv lub thawv combiner, thiab ntawm cov qhov kawg ntawm inverter. Txoj kev ua txheej txheem no txo cov hluav taws xob seem ntawm txhua theem.
Nov yog ib qho kev siv yooj yim uas kuv siv los qhia txog qhov chaw:
| Qhov chaw | Lub Hom Phiaj Tiv Thaiv | Hom Arrester |
|---|---|---|
| PV arrays | Cov modules, cov hlua | DC surge arrester |
| Lub thawv sib xyaw | Cov hlua fuse | Hom 2 |
| Inverter | Cov khoom siv hluav taws xob | Kev sib koom ua ke SPD |
Txoj kev no ua rau kev ntseeg siab ntawm lub kaw lus zoo dua thiab txo cov kev xav tsis thoob ntawm kev saib xyuas, uas cov thawj coj yuav khoom muaj nqis.
AC thiab Peb Theem Xob laim Arresters
Kuv yeej tsis quav ntsej txog sab AC ntawm lub hnub ci.
Cov cuab yeej ntes xob laim peb theem tiv thaiv cov tshuab fais fab kev lag luam los ntawm xob laim thiab cov hluav taws xob uas los ntawm lub grid.
Hauv cov kab ke peb-theem, lub zog nce siab tuaj yeem mus ncig tsis sib npaug thoob plaws theem. Kuv nyiam cov qauv tsim 3 theem uas tiv thaiv txhua tus neeg hlau sib npaug. Cov qauv teeb tsa ob-ncej yog qhov tshwm sim hauv cov kab ke yooj yim dua, tab sis cov ntawv thov kev lag luam feem ntau xav tau kev tiv thaiv theem tag nrho thiab nruab nrab.
Qhov no yog tus qauv coj ua hauv kev tiv thaiv kev kub ntxhov rau cov chaw tsim khoom uas qhov sib npaug ntawm qhov thauj khoom thiab lub sijhawm ua haujlwm yog qhov tseem ceeb.
Cov Khoom Siv Tiv Thaiv Surge Arresters thiab Modular Designs uas siv MOV
Kuv vam khom rau cov thev naus laus zis MOV hauv cov qauv tsim niaj hnub.
Cov khoom siv hluav taws xob raws li MOV teb tau sai heev thiab clamp voltage tau zoo thaum muaj xwm txheej ib ntus.
Cov khoom siv tiv thaiv xob laim MOV siv cov hlau oxide varistors uas hloov qhov tsis kam tam sim ntawd thaum lub zog hluav taws xob nce siab. Cov qauv tsim ua rau kev hloov pauv yooj yim tom qab lub cim qhia tias lub neej tas, txo lub sijhawm txij nkawm.
Hauv kuv txoj kev paub, cov khoom siv hluav taws xob MOV modular muab kev sib xyaw zoo tshaj plaws ntawm kev ua tau zoo thiab kev pabcuam rau cov ntawv thov SPD hauv kev lag luam.
Cov Khoom Siv SPD Surge Arresters rau Kev Tiv Thaiv Xob laim
Kuv pom SPD thiab surge arrester cov lus siv sib pauv tau, tab sis cov ntsiab lus tseem ceeb.
Ib qho SPD surge arrester ua ke cov lus teb sai nrog kev tswj hwm lub zog siab rau kev tiv thaiv xob laim hauv cov hluav taws xob thiab lub hnub ci.
Piv rau cov khoom siv tiv thaiv xob laim ib txwm muaj, cov SPD niaj hnub no me me, yooj yim dua rau kev sib xyaw ua ke. Kuv teeb tsa lawv ze rau cov khoom siv tiv thaiv kom txo qhov ntev ntawm cov hlau thiab qhov hluav taws xob seem.
Xaiv Lub Surge Arrester Uas Yog Rau Koj Daim Ntawv Thov
Kuv ib txwm xaiv raws li kev pheej hmoo, tsis yog tus nqi xwb.
Kev xaiv lub cuab yeej tiv thaiv hluav taws xob kom raug yog nyob ntawm seb muaj xob laim raug li cas, qhov hluav taws xob ntawm lub cev, kev sib txuas av, thiab qib kev tiv thaiv uas xav tau.
Rau cov cheeb tsam uas muaj kev pheej hmoo siab, kuv pom zoo kom siv cov khoom siv hluav taws xob Type 1 surge arresters. Rau feem ntau ntawm cov phiaj xwm hnub ci thiab kev lag luam, cov khoom siv Hom 2 sib koom ua ke muab kev tiv thaiv zoo nrog tus nqi qis dua ntawm kev muaj. Txoj hauv kev no sib haum xeeb zoo nrog kev sib raug zoo nrog cov neeg muab khoom mus sij hawm ntev.
Xaus lus
Ua lag luam rau sab xis Cov Khoom Siv Tiv Thaiv Surge thiab txoj kev tiv thaiv hluav taws xob hnub no los tiv thaiv koj lub cev, koj lub sijhawm teem tseg, thiab koj tus nqi lag luam mus sij hawm ntev.
Cov Lus Nug Feem Ntau
Q1: Cov cuab yeej ntes hluav taws xob thiab SPDs puas zoo ib yam?
Lawv sib tshooj, tab sis cov cuab yeej ntes hluav taws xob tau tsim los rau cov xwm txheej xob laim muaj zog dua.
Q2: Cov tshuab hnub ci puas xav tau ob qho tib si AC thiab DC surge arresters?
Yog. Ob tog ntsib kev pheej hmoo sib txawv ntawm kev nce siab.
Q3: Yuav tsum tau teeb tsa DC surge arresters qhov twg?
Ntawm PV arrays, combiner boxes, thiab inverter inputs.
Q4: Cov khoom siv tiv thaiv kev co MOV kav ntev npaum li cas?
Lawv poob qis nrog txhua qhov kev nce siab thiab yuav tsum tau hloov pauv thaum lub sijhawm kawg ntawm lub neej.
Q5: Hom 2 puas txaus rau feem ntau cov haujlwm hnub ci?
Yog, tshwj tsis yog tias qhov raug xob laim ncaj qha yog siab heev.