Phau Ntawv Qhia Rau Cov Neeg Pib Tshiab Txog Cov Tshuab Nqus Tsev Rau Kev Tswj Xyuas Kev Lag Luam

A lub tshuab nqus tsev contactor yog ib feem tseem ceeb ntawm kev hloov pauv hluav taws xob hauv kev lag luam. Nws siv cov thev naus laus zis nqus tsev los tiv thaiv cov arcs thiab muab kev sib cais hluav taws xob zoo dua. Cov khoom siv thev naus laus zis siab no ua haujlwm los ntawm kev muab cov khoom sib txuas hluav taws xob tso rau hauv lub chamber nqus tsev uas raug kaw. Qhov no tiv thaiv cov pa cua kom tsis txhob cuam tshuam, uas tuaj yeem ua rau arc thaum kev ua haujlwm hloov pauv tshwm sim. Cov khoom sib txuas nqus tsev niaj hnub ua haujlwm zoo heev hauv cov xwm txheej voltage nruab nrab vim tias lawv ruaj khov heev, tsis xav tau kev saib xyuas ntau, thiab muaj cov yam ntxwv kev nyab xeeb zoo dua. Qhov no ua rau lawv tseem ceeb rau cov kab ke faib hluav taws xob hauv ntau yam lag luam, xws li kev tsim hlau, petrochemicals, thiab kev teeb tsa hluav taws xob rov ua dua tshiab.

Taw Qhia Txog Kev Siv Tshuab Nqus Tsev Contactor

Los ntawm kev ua kom yuav luag tsis yooj yim rau cov arcs tsim, thev naus laus zis nqus tsev hloov txoj kev hloov hluav taws xob ua haujlwm. Thaum cov neeg sib cuag hluav taws xob sib cais hauv lub tshuab nqus tsev, tsis muaj cov pa cua nyob ib puag ncig kom tiv thaiv arc kom tsis txhob mus ntev. Qhov no ua rau cov txheej txheem hloov pauv huv si. Hloov chaw ntawm cov qauv tsim cua lossis cov qauv roj, lub tshuab nqus tsev no txo ​​qis kev sib cuag thiab ua rau lub neej ua haujlwm ntev dua. Lub kauj hluav taws xob yog qhov tseem ceeb txav mus los; nws tsim cov teb sib nqus uas tswj hwm kev txav mus los ntawm cov neeg sib cuag.

Tus qauv tsim no ua kom ntseeg tau tias qhov kev hloov pauv ua haujlwm tau zoo txawm tias thaum lub nra hloov pauv, thiab nws ua haujlwm tib yam rau tag nrho lub neej ntawm lub cuab yeej. Kev siv tshuab hloov pauv lub tshuab nqus tsev yog qhov ntseeg tau, uas txhais tau tias cov chaw ua haujlwm muaj sijhawm tsawg dua thiab cov nqi kho qis dua. Thaum nws los txog rau kev siv hluav taws xob siab, cov neeg tiv tauj lub tshuab nqus tsev yog qhov tshwj xeeb tshaj yog vim lawv tswj hwm qhov teeb meem tam sim no cuam tshuam zoo dua li lwm cov khoom siv hloov pauv. Qhov chaw nqus tsev kaw kaw tiv thaiv cov pa phem sab nraud kom tsis txhob nkag mus rau hauv cov khoom sab hauv, yog li lawv ua haujlwm tib yam txawm tias nyob rau hauv cov xwm txheej kev lag luam hnyav.

Cov Ntawv Thov Tseem Ceeb hauv Cov Txheej Txheem Tswj Kev Lag Luam

Cov khoom siv nqus tsev siv ntau heev hauv cov tes hauj lwm faib hluav taws xob los tswj cov cav, tshwj xeeb tshaj yog nyob rau hauv cov chaw muaj zog siab uas muaj kev hloov pauv ntau heev. Cov cuab yeej no yog qhov tseem ceeb rau kev ua kom cov khoom siv loj muaj kev nyab xeeb thiab khiav tau zoo hauv cov chaw ua hlau, cov chaw ua tshuaj lom neeg, thiab cov chaw tsim khoom. Cov khoom siv nqus tsev zoo heev rau cov xwm txheej uas xav tau kev tswj hwm qhov ntws ntawm hluav taws xob vim tias lawv tuaj yeem hloov cov khoom thauj tau zoo dua. Cov khoom siv nqus tsev feem ntau siv ua cov khoom hloov pauv tseem ceeb hauv cov teeb tsa hluav taws xob switchgear.

Lawv muab kev tswj hwm zoo rau cov neeg ua haujlwm ntawm cov kab ke faib hluav taws xob nyuaj. Cov kab ke no muaj kev nyab xeeb dua vim tias cov thev naus laus zis nqus tsev muaj cov yam ntxwv kev nyab xeeb hluav taws xob zoo dua. Qhov no txo ​​qhov kev pheej hmoo ntawm arc flashes thiab hluav taws xob faults. Cov contactors nqus tsev siv rau hauv cov kab ke nruab nrab voltage hauv tshav dav hlau, cov chaw khaws ntaub ntawv, thiab kev thauj mus los hauv nroog kom paub tseeb tias cov khoom siv tseem ceeb ib txwm muaj hluav taws xob. Vim tias lawv tau ua zoo thiab tau pom tias siv tau ntev, cov khoom siv no tuaj yeem siv rau hauv cov chaw uas hluav taws xob tsis ua haujlwm muaj kev cuam tshuam loj rau kev ua haujlwm thiab nyiaj txiag.

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Cov Zoo Dua Li Cov Khoom Siv Hloov Pauv Ib Txwm Muaj

Piv rau cov circuit breakers thiab cov mechanical switching devices, lub tshuab nqus tsev contactors muaj ntau yam txiaj ntsig. Vim tias tsis muaj cov khoom siv arc-sustaining hauv chav nqus tsev, yuav luag tsis muaj kev sib cuag puas tsuaj. Qhov no txhais tau tias cov khoom siv kav ntev dua thiab tsis tas yuav hloov pauv ntau zaus. Vim tias lawv kav ntev dua, cov tsev lag luam muaj cov nqi qis dua ntawm kev muaj. Kev tshem tawm cov roj rwb thaiv tsev thiab cov pa luam yeeb uas feem ntau siv hauv cov khoom siv hluav taws xob yog qhov zoo rau ib puag ncig.

Cov thev naus laus zis nqus tsev muab kev rwb thaiv tsev zoo dua yam tsis siv cov khoom siv txaus ntshai. Qhov no pab ua tiav cov hom phiaj ib puag ncig thaum tswj kev ua haujlwm zoo tshaj plaws. Qhov chaw nqus tsev tiv thaiv tiv thaiv cov khoom sab hauv los ntawm hmoov av, dej noo, thiab lwm yam kuab paug uas pom ntau hauv cov chaw lag luam, uas txo qhov xav tau kev saib xyuas ntau heev. Vim tias lawv tsis tas yuav ua ntau yam kev saib xyuas, cov pab pawg ua haujlwm tuaj yeem tsom lawv lub sijhawm thiab lub zog rau lwm yam haujlwm tseem ceeb ntawm kev tswj hwm chaw.

Kev Xaiv Cov Cai rau Kev Siv Khoom Siv

Thaum xaiv cov contactors nqus tsev rau ib txoj haujlwm, cov nqi hluav taws xob yog qhov tseem ceeb tshaj plaws uas yuav tsum xav txog. Feem ntau cov kev xav tau kev lag luam tuaj yeem ua tau los ntawm cov khoom siv nrog cov hluav taws xob txij li 6KV txog 40.5KV, tab sis qee qhov kev siv yuav xav tau cov ntsuas hluav taws xob tshwj xeeb. Cov kws ua haujlwm yuav tsum saib xyuas cov theem fais fab ntawm lub kaw lus kom paub tseeb tias cov khoom siv raug xaiv thiab lub kaw lus ua haujlwm zoo tshaj plaws. Lub peev xwm ntawm tus contactor los tswj cov khoom siv ua haujlwm tsis tu ncua thiab cov xwm txheej luv luv yog raws li nws lub peev xwm nqa tam sim no.

Yuav kom cov khoom siv tsis txhob tawg thiab kom paub tseeb tias lawv ua haujlwm tau zoo hauv txhua qhov xwm txheej thauj khoom, cov tshuab ua haujlwm tsis siv neeg hauv kev lag luam yuav tsum ua qhov kev xam zauv tseeb ntawm qib tam sim no. Thaum xaiv lub contactor, qhov chaw ib puag ncig yog qhov tseem ceeb, tshwj xeeb tshaj yog thaum cov khoom yuav raug rau qhov av noo siab, kub heev, lossis huab cua uas muaj cov pa phem. Qhov ntsuas ib puag ncig zoo ua kom ntseeg tau tias qee yam yuav ua haujlwm tau ntev thiab txo cov kev ua tsis tiav sai sai uas cuam tshuam cov phiaj xwm tsim khoom.

Installation thiab Integration Considerations

Cov lus qhia txog kev teeb tsa kom paub tseeb tias lub tshuab nqus tsev contactor ua haujlwm zoo thiab ua tau raws li txhua tus qauv kev nyab xeeb rau hluav taws xob. Kev siv cov txheej txheem mounting thiab kev sib txuas hluav taws xob kom raug ua rau lub chaw tsim khoom lav thiab tiv thaiv cov teeb meem ua ntej lawv tshwm sim. Txhawm rau ua kom muaj kev nyab xeeb thiab ua haujlwm tau zoo, cov pab pawg teeb tsa yuav tsum paub ntau yam txog cov kab ke high-voltage. Kev koom ua ke ntawm lub kaw lus txhais tau tias kev sib koom tes ua haujlwm ntawm lub tshuab nqus tsev nrog cov kab ke tiv thaiv thiab tswj uas twb muaj lawm.

Kev txheeb xyuas qhov sib xws yuav tiv thaiv kev tsis sib haum xeeb ntawm kev ua haujlwm thiab ua kom ntseeg tau tias cov kab ke uas ua haujlwm rau cov nroj tsuag ua haujlwm ua ke tau zoo. Thaum lub sijhawm tsim qauv, cov pab pawg engineering yuav tsum saib xyuas cov kev xav tau ntawm interface kom tsis txhob muaj kev hloov pauv kim tom qab. Cov txheej txheem commissioning ua kom ntseeg tau tias kev teeb tsa tau ua tiav kom raug thiab cov kev ua haujlwm sib xws nrog cov kev xav tau ntawm kev tsim qauv. Ua ntej tig cov khoom siv rau kev siv ntau lawm, cov txheej txheem sim ua kom tiav raug siv los xyuas kom meej tias kev ua haujlwm muaj kev nyab xeeb thiab txhim khu kev qha.

Cov kev ntsuam xyuas no xyuas seb qhov hloov pauv ua haujlwm li cas raws li qhov xav tau, paub meej tias cov txheej txheem rwb thaiv tsev ua haujlwm zoo, thiab xyuas kom meej tias cov khoom siv tiv thaiv sib koom tes zoo. Kev ua haujlwm, hluav taws xob, thiab kev nyab xeeb pab txheeb xyuas cov qhov tsis zoo lossis teeb meem teeb tsa thaum ntxov. Kev ua tiav cov txheej txheem txheeb xyuas no txo ​​​​​​kev pheej hmoo ntawm kev ua haujlwm, txhawb nqa kev ua raws li cov qauv kev nyab xeeb, thiab xyuas kom meej tias cov khoom siv ua haujlwm raws li tau npaj tseg thaum nws nkag mus rau hauv kev ua haujlwm tas mus li.

Kev tu thiab kev tswj lub neej

Cov phiaj xwm txij nkawm tiv thaiv ua rau cov contactors nqus tsev ua haujlwm tau zoo thiab ntev lawv lub neej siv tau. Cov sijhawm rau kev tshuaj xyuas tsis tu ncua nrhiav pom cov teeb meem ua ntej lawv cuam tshuam rau kev tsim khoom. Cov thev naus laus zis hloov pauv raws li nqus tsev ua rau tej yam yooj yim dua rau cov pab pawg txij nkawm los ntawm kev ua kom yooj yim cov txheej txheem. Nws yog ib qho tseem ceeb kom muaj cov khoom seem ntawm tes kom ua haujlwm tau zoo, tshwj xeeb tshaj yog nyob rau hauv cov chaw tsim khoom tseem ceeb. Kev teeb tsa kev sib raug zoo ntawm kev muab khoom ua kom ntseeg tau tias cov khoom hloov pauv raug xa tawm sai sai thaum lawv xav tau.

Kev khaws cov khoom seem kom zoo yuav txo qhov kev pheej hmoo ntawm lub sijhawm tsis ua haujlwm uas los nrog kev tawg ntawm cov khoom. Cov txheej txheem saib xyuas kev ua haujlwm saib xyuas cov txheej txheem hloov pauv thiab sau cov ntaub ntawv ua haujlwm tas li kom pom cov qauv uas yuav qhia tau tias muaj kev hnav, tsis ruaj khov, lossis kev puas tsuaj ntawm cov khoom.

Los ntawm kev tshuaj xyuas cov qauv xws li kev hloov pauv ntawm kev tiv thaiv kev sib cuag, zaus hloov pauv, thiab qhov kub thiab txias hloov pauv, cov kab ke no muab cov lus ceeb toom ua ntej ua ntej qhov ua yuam kev loj hlob. Cov tswv yim txij nkawm uas tsav los ntawm cov ntaub ntawv ces siv qhov kev nkag siab no los txiav txim siab lub sijhawm zoo tshaj plaws rau kev tshuaj xyuas, kev pabcuam, lossis kev hloov khoom. Txoj hauv kev kwv yees no txo ​​qhov tsis tau npaj tseg lub sijhawm tsis ua haujlwm, txuas ntxiv lub neej ntawm cov khoom siv, txhim kho kev ntseeg siab tag nrho, thiab pab cov koom haum tswj hwm cov sijhawm tsim khoom ruaj khov yam tsis muaj kev puas tsuaj kim thiab cuam tshuam tsis tau xav txog.

xaus

Cov khoom siv nqus tsev sawv cev rau cov khoom tseem ceeb hauv cov tshuab hluav taws xob niaj hnub, muab kev ua tau zoo dua, kev ntseeg siab, thiab kev nyab xeeb piv rau cov khoom siv hloov pauv ib txwm muaj. Kev nkag siab txog lawv cov hauv paus ntsiab lus ua haujlwm, cov kev cai thov, thiab cov qauv xaiv ua rau cov engineers siv cov kev daws teeb meem zoo uas txhim kho kev ua haujlwm ntawm chaw thaum txo cov nqi kho. Kev vam meej nyob ntawm kev koom tes nrog cov chaw tsim khoom uas muaj kev paub dhau los uas muab kev txhawb nqa thoob plaws hauv lub voj voog khoom, xyuas kom meej tias muaj kev ua tau zoo tshaj plaws thiab qhov rov qab los siab tshaj plaws rau kev nqis peev rau cov khoom siv hluav taws xob tseem ceeb.

Koom tes nrog Yuguang rau Kev daws teeb meem ntawm lub tshuab nqus tsev uas txhim khu kev qha

Yuguang Electric muab cov kev daws teeb meem nqus tsev uas muaj 39 daim ntawv pov thawj thiab kev paub dhau los rau cov pab pawg fais fab loj, cov tuam txhab lag luam, thiab cov neeg ua haujlwm hauv kev tsim kho vaj tse thoob ntiaj teb. Peb lub peev xwm tsim khoom siab heev ua kom cov khoom zoo sib xws thaum ua tau raws li cov sijhawm xa khoom uas xav tau uas ua rau cov haujlwm ua raws li txoj kev npaj.

Ua ib lub tuam txhab tsim khoom siv nqus tsev uas peb ntseeg siab tau, peb muab cov peev xwm hloov kho tau raws li qhov xwm txheej uas daws tau cov kev xav tau tshwj xeeb ntawm ntau yam kev lag luam. Peb txoj kev tsim qauv sib xyaw ua ke muab cov kev daws teeb meem me me nrog kev sib khi zoo tshaj plaws thiab lub neej ua haujlwm ntev, txo cov nqi tag nrho rau peb cov neeg siv khoom.

Peb tus qauv kev pabcuam puv ntoob suav nrog txhua yam los ntawm kev sab laj tsim qauv thawj zaug mus txog kev taw qhia kev teeb tsa thiab kev txhawb nqa tom qab muag. Txoj hauv kev no tshem tawm cov teeb meem kev sib koom tes thaum ua kom muaj kev ua tiav ntawm qhov project txij li lub tswv yim mus txog rau kev ua haujlwm.

Txuas nrog peb pab neeg kev tshaj lij los tham txog koj cov kev xav tau tshwj xeeb ntawm lub tshuab nqus tsev thiab nrhiav seb Yuguang cov kev daws teeb meem tshiab tuaj yeem txhim kho koj lub chaw cov khoom siv hluav taws xob. Peb cov kws tshaj lij muab cov kev sab laj txog kev tshaj lij, cov duab kos tshwj xeeb, thiab kev txhawb nqa project kom ntseeg tau tias muaj txiaj ntsig zoo tshaj plaws. Tiv tauj peb ntawm yog ygvcb@hotmail.com kom pib koj qhov kev sab laj hnub no.

References

1. IEEE Tus Qauv C37.100-2012: IEEE Tus Qauv Txhais rau Power Switchgear, Lub Koom Haum ntawm Cov Kws Ua Hluav Taws Xob thiab Electronics, 2012.

2. Slade, Paul G. "Lub Tshuab Nqus Tsev Interrupter: Txoj Kev Xav, Kev Tsim Qauv, thiab Kev Siv," CRC Xovxwm, 2017.

3. IEC 62271-106: 2021 Cov khoom siv hloov pauv hluav taws xob siab thiab cov khoom siv tswj - Ntu 106: Cov khoom sib txuas tam sim no rau cov hluav taws xob siab dua 1 kV, International Electrotechnical Commission, 2021.

4. Greenwood, Allan. "Lub Tshuab Nqus Tsev Switchgear," Lub Koom Haum Engineering thiab Technology Power thiab Energy Series, 2007.

5. Lipski, Tadeusz. "Kev Siv Tshuab Hloov Kho Niaj Hnub Hauv Cov Ntawv Thov Nruab Nrab-Voltage," Electrical Engineering Quarterly Journal, Vol. 45, No. 3, 2019.

6. Lub Koom Haum Tsim Khoom Siv Hluav Taws Xob Hauv Tebchaws. "Phau Ntawv Qhia Txog Kev Siv Rau AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis," NEMA Standards Publication SG 4-2012.