Txij ntawm kev teeb tsa mus rau kev saib xyuas, cov ntsiab lus no yuav tsum tsis txhob raug tsis quav ntsej

Hauv cov tshuab fais fab niaj hnub no, cov khoom tiv thaiv hluav taws xob (SPD) zoo li "daim ntawv pov hwm" rau cov khoom siv hluav taws xob. Tab sis koj puas paub? Lub cuab yeej yooj yim no, yog tias ntsia lossis siv tsis raug, tsis yog tsuas yog tsis ua haujlwm tiv thaiv xwb tab sis kuj tseem yuav ua rau muaj kev phom sij rau kev nyab xeeb. Niaj hnub no, cia peb tham txog cov ntsiab lus ntawm kev siv SPDs.

1.SPD: Tus "lub tsho tiv thaiv mos txwv"ntawm lub zog system

Xav txog tias thaum xob laim ntaus cov xov hluav taws xob ze lossis cov khoom siv loj pib ua haujlwm tam sim ntawd, yuav muaj cov pulses high-voltage tam sim ntawd hauv lub zog hluav taws xob. Cov "power surges" zoo li no tuaj yeem ua rau cov khoom siv rov pib dua qhov zoo tshaj plaws thiab ncaj qha hlawv cov circuit boards qhov phem tshaj plaws. Lub luag haujlwm ntawm SPD yog hloov cov zog txaus ntshai no mus rau hauv av hauv nanoseconds.

Tam sim no, SPDs ntawm kev ua lag luam feem ntau yog muab faib ua peb hom:

Kev tiv thaiv ntxhib (Hom 1):Nruab rau ntawm qhov chaw nkag fais fab loj ntawm lub tsev, tsim tshwj xeeb los tswj cov xob laim ncaj qha.

Kev tiv thaiv kev sib npaug (Hom 2):Muab faib rau hauv ntau lub thawv faib khoom, daws cov teeb meem seem tom qab kev tiv thaiv thawj zaug.

Kev tiv thaiv zoo (Hom 3):Tiv thaiv ncaj qha rau cov khoom siv muaj nqis ntawm tus kheej, xws li cov qhov hluav taws xob ntawm cov servers.

2.Lub "kev sawv ntsug kom raug"rau kev teeb tsa SPD

2.1 "Kev Tshuaj Xyuas Ua Ntej Kev Teeb Tsa"

- Ua ntej, xyuas SPD tus "daim npav qhia tus kheej": qhov hluav taws xob ntsuas thiab qhov hluav taws xob ua haujlwm siab tshaj plaws yuav tsum phim koj lub hwj chim hluav taws xob.

- Kev xaiv qhov chaw tseem ceeb: theem kev tiv thaiv thawj zaug yuav tsum nyob ze rau lub qhov hloov tseem ceeb, theem thib ob hauv lub thawv faib khoom, thiab theem thib peb zoo dua tsis pub tshaj 1.5 meters ntawm cov khoom siv tiv thaiv.

- Cov xov hlau av yuav tsum "luv, tuab thiab ncaj": qhov ntev yuav tsum tswj tau hauv 0.5 meters. Kev ntswj zoo li txoj xov tooj hauv lub voj voog tsis raug txais.

2.2 Cov Kauj Ruam Ib Kauj Ruam Los Ntawm Kauj Ruam Kev Teeb Tsa

Kev Nyab Xeeb Ua Ntej:Yuav tsum tua lub hwj chim ua ntej! Tsis txhob yig ua li ntawd. Kev ua haujlwm thaum lub zog qhib tsis yog ib yam uas yuav tsum tau saib yooj yim.

Kev sib txuas ntawm cov xov hlau:Txuas cov xov hlau av (PE) ua ntej, tom qab ntawd cov xov hlau nruab nrab (N), thiab thaum kawg cov xov hlau nyob (L).

Kev Sib Txuas Ua Ke yog Qhov Tseem Ceeb:Nco ntsoov tias SPD "txuas ua ke" hauv lub voj voog. Tsis txhob txuas nws ua ke.

Kev Pom Zoo Zaum Kawg:Tom qab qhib lawm, xyuas seb lub teeb qhia teeb liab puas ua haujlwm zoo. Xim ntsuab qhia tias lub tshuab ua haujlwm tau zoo, xim liab qhia tias yuav tsum tau hloov.

Thov nco ntsoov:Yog tias qhov deb ntawm cov chav SPD thawj thiab chav SPD thib ob tsawg dua 10 meters, thov ntsia cov decoupling inductors. Tus nqi no tsis tuaj yeem zam tau.

3."Cov chaw tua phom"siv thiab tiv thaiv

3.1 Lub "peb yam yuav tsum ua"rau kev saib xyuas txhua hnub

- Yuav tsum tau kuaj xyuas tsis tu ncua: Yam tsawg kawg ib hlis ib zaug, kuaj lub teeb qhia txog qhov xwm txheej ntawm SPD thiab kuaj xyuas seb cov qhov txuas puas xoob.

- Yuav tsum tau kuaj xyuas los ntawm cov kws tshaj lij: Txhua xyoo, ntiav ib tus kws tshaj lij los siv cov cuab yeej tshwj xeeb rau kev kuaj. Cov multimeters hauv tsev tsis tuaj yeem muab cov txiaj ntsig tseeb.

- Yuav tsum tau hloov pauv sai sai: Txawm tias SPD zoo li zoo tom qab muaj xob laim los xij, nws yuav tsum tau hloov vim tias nws yuav raug kev puas tsuaj sab hauv.

3.2 Kev Hloov Kho Ib puag ncig

Hauv "qhov chaw nyob hnyav" xws li cov chaw tsim tshuaj lossis ze ntawm hiav txwv, SPD ib txwm yuav tsis kav ntev txog ib xyoos. Hauv cov xwm txheej zoo li no, ib tus yuav tsum xaiv "cov qauv txhim kho" nrog lub plhaub tiv thaiv xeb. Txawm hais tias nws kim dua, nws tseem pheej yig dua li kev hloov pauv ntau zaus.

3.3 Kev nkag siab yuam kev ntau zaus

Kev nkag siab yuam kev: "Nws siv tau mus tas li tom qab kev teeb tsa"

Qhov Tseeb: Cov resistors uas rhiab siab hauv SPD yuav maj mam laus thiab yuav tsum tau hloov tom qab 3 txog 5 xyoos.

Kev nkag siab yuam kev: "Qhov kim dua, qhov zoo dua"

Qhov Tseeb: Qhov tseem ceeb yog xyuas kom meej tias cov kev teeb tsa sib phim. Kev teeb tsa SPD nrog qhov ntsuas 380V rau lub voj voog hauv tsev 220V yog qhov txaus ntshai dua.

4.Cov tswv yim tiv thaiv rau ntau qhov xwm txheej sib txawv

4.1 Cov neeg siv hauv tsev

Tsuas yog nruab ib lub SPD Hom 2 rau hauv lub thawv faib khoom. Nco ntsoov muab ib daim hlua fais fab uas tiv thaiv tau hluav taws xob ntau dhau rau cov khoom siv muaj nqis.

4.2 Cov chaw ua haujlwm hauv Hoobkas

Rau cov khoom siv "muaj nqis" xws li cov hloov pauv zaus thiab PLCs, nws raug pom zoo kom muaj kev tiv thaiv ob npaug ntawm Hom 2 thiab Hom 3.

4.3 Cov chaw khaws ntaub ntawv

Yuav tsum muaj kev tiv thaiv "peb txheej". Yuav zoo dua yog tias qhov xwm txheej SPD tuaj yeem saib xyuas tau deb.

5.Yuav ua li cas yog tias muaj'qhov teeb meem?

Yog tias koj tseem raug xob laim txawm tias tom qab koj teeb tsa lub SPD lawm, tsis txhob liam tus neeg tsim khoom tam sim ntawd. Ua raws li cov kauj ruam no kom daws teeb meem:

• Xyuas seb lub qhov rais qhia ntawm SPD puas tau tig liab.

• Ntsuas seb qhov kev tiv thaiv av puas dhau qhov tus qauv.

• Tshawb xyuas seb cov kab ntawm cov khoom siv tiv thaiv thiab SPD puas ntev dhau.

Xaus lus

Kev nyab xeeb ntawm lub zog hluav taws xob tsis yog ib qho teeb meem me me. Ib lub tshuab SPD zoo zoo li kev yuav "kev pov hwm kev noj qab haus huv" rau cov khoom siv. Txawm li cas los xij, txawm tias kev pov hwm zoo npaum li cas los xij, nws xav tau "kev kuaj lub cev" tsis tu ncua kom ua haujlwm tau. Yog tias koj tseem muaj lus nug txog kev xaiv lossis kev teeb tsa SPD, nws raug pom zoo kom tiv tauj tus kws tshaj lij engineer ncaj qha. Tom qab tag nrho, kev nyab xeeb ntawm lub zog hluav taws xob tsis tuaj yeem ua rau tsis zoo.