Nyob rau hauv feem ntau cov ntsiab lus (tshwj xeeb tshaj yog nyob rau hauv transformer tiv thaiv cov ntaub ntawv, cov qauv zoo li IEC, thiab cov chaw tsim tshuaj paus docs), lawv muaj kev sib raug zoo heev - feem ntau siv interchangeably, nrog "Buchholz Relay" yog qhov tshwj xeeb, feem ntau hom roj- actuated/gas detector relay. Tab sis qee qhov chaw kos qhov sib txawv me ntsis raws li kev ua haujlwm.
| Yam | Gas Relay (Nqe / Generic Term) | Buchholz Relay (Tshwj xeeb) | Kev Sib Raug Zoo / Cov Lus Cim |
|---|---|---|---|
| Lub Npe | Gas relay, Gas actuated relay, Gas detector relay | Buchholz Relay (npe tom qab tus neeg tsim khoom Max Buchholz, 1921) | Buchholz Relay yog lub npe nrov tshaj plaws / qauv piv txwv ntawm "gas relay". Wikipedia hu nws "generic designation: gas detector relay". |
| Kev kuaj pom thawj zaug | Gas tsub zuj zuj los ntawm faults; qee zaum roj qib / siab | Gas tsub zuj zuj (slow faults) + sudden oil surges (malfaults) + feem ntau roj theem | Buchholz feem ntau suav nrogntau functions(2–3 vs . 1–2 rau cov roj relays yooj yim dua). |
| Muaj nuj nqi | Feem ntau 1–2: Kev kuaj pom roj (tseem ceeb / mus ncig), qee zaum kev saib xyuas qib roj hauv tus neeg saib xyuas | 2-3: Tswb rau cov pa roj me me, Kev mus ncig rau qhov loj surge / txhaum, qis roj qib kom pom | Buchholz feem ntau tau piav qhia tias muaj "peb lub luag haujlwm" thaum cov pa roj hluav taws xob ua haujlwm muaj "ob". |
| Qhov chaw teeb tsa | Nruab nrab ntawm lub ntsiab tank & conservator, los yog nyob rau hauv conservator rau roj theem | nruj me ntsis nyob rau hauv cov yeeb nkab ntawm lub ntsiab tank & conservator (lub kaum sab xis 2-5 degree) | Tib txoj hauj lwm rau kev ua txhaum- hom kev tshawb nrhiav. Conservator-tsuas yog cov roj relays (roj theem) qee zaum txawv. |
| Fault Types Detected | Sab hauv kev ua txhaum ntawm cov pa roj; yuav tsis ntes tau surges zoo | Tsawg (pas nkaus xwb → tswb), Loj (surge → mus txawv tebchaws), Roj leaks / qis qis | Buchholz muab kev tiv thaiv tag nrho ntawm kev ua txhaum sab hauv. |
| Kev siv ntau | Cov lus dav dav hauv qee thaj tsam / cov ntaub ntawv; tuaj yeem xa mus rau cov qauv yooj yim dua | Tus qauv lub npe nyob rau hauv IEC / EN 50216, ntiaj teb no manufacturers (Reinhausen, COMEM, thiab lwm yam) | Hauv 90%+ ntawm qhov tiag -kev sib tham hauv ntiaj teb & SEO tshawb, "gas relay"=Buchholz Relay. |
| Lawv puas yog tib yam? | Qee zaum muaj (hloov tau), qee zaum tsis muaj (gas relay=yooj yim dua / roj-theem nkaus xwb) | Tsis yog - nws yog qib siab, dual/triple- muaj nuj nqi version | Qhov tseem ceeb ntawm tib chav kawm / khoom tsev neeg; Buchholz yog qhov mus- mus rau "gas relay" rau roj-immersed transformers nrog conservator. |
Buchholz Relay rau Roj -Phau Cov Transformers: Kev Tiv Thaiv & Nws Ua Haujlwm Li Cas
Nyob rau hauv hluav taws xob engineering, ua kom transformers muaj kev nyab xeeb yog txhua yam. Ib qho txhaum me me tuaj yeem ua rau muaj teeb meem loj, yog li kev tiv thaiv lawv kom raug yog tsis yog - sib tham kom ua kom tag nrho cov kab ke khiav tau zoo. Qhov ntawd yog qhov uas Buchholz relay tuaj rau hauv - nws yog ib qho ntawm cov classic, tsis muaj - cov khoom siv tsis zoo uas tau ua nws txoj haujlwm ntau dua ib puas xyoo.
Cov khoom no yog tsim tshwj xeeb rau cov roj- puv transformers (zoo li lub tank conservator). Nws ntes cov teeb meem thaum ntxov los ntawm kev pom cov roj av los yog cov roj surges tam sim ntawd, txwv tsis pub cov teeb meem me me los ntawm kev hloov mus rau kev puas tsuaj loj. Nws yog lub npe hu ua Max Buchholz, uas tuaj nrog nws rov qab rau xyoo 1921, thiab ncaj ncees, nws tseem yog ib txoj hauv kev ntseeg siab tshaj plaws los tiv thaiv transformers.
Dab tsi yog qhov zoo ntawm nws? Nws tsis tas yuav muaj lub zog sab nraud- tsuas yog cov tshuab ua kom huv si raws li cov pa tsub zuj zuj thiab cov roj ntws. Yooj yim tsim, super txhim khu kev qha hauv kev xyaum.
Tau kawg, zoo li txhua yam khoom siv tshuab, koj yuav tsum tau saib xyuas nws nrog kev kuaj xyuas tsis tu ncua. Thaum nws ua nws txoj haujlwm zoo, nws yuav suab lub tswb rau cov khoom me lossis mus rau lub tshuab hloov pauv offline rau qhov ua txhaum loj. Lub taub hau thaum ntxov- tuaj yeem txuag koj ib tuj hauv kev kho thiab poob sijhawm.
Yog tias koj ua haujlwm nrog cov hloov pauv, tau txais kev nkag siab zoo ntawm Buchholz relay ua haujlwm li cas yog qhov tseem ceeb heev. Nws yog ib feem loj ntawm kev tiv thaiv zoo thiab kev saib xyuas zoo. Hauv daim ntawv no, peb yuav taug kev los ntawm nws qhov tsim, nws ua haujlwm li cas, thiab vim li cas nws tseem ceeb heev rau kev nyab xeeb hluav taws xob.
Dab tsi yog Buchholz Relay?
Yeej, nws yog ib qho kev ruaj ntseg gadget ntsia rau ntawm cov roj -cov transformers puv los hnia cov hluav taws xob sab hauv ua ntej lawv ua rau muaj kev puas tsuaj tiag tiag. Koj yuav pom nws zaum ntawm lub ntsiab tank thiab lub tank conservator.
Nws ua haujlwm los ntawm kev saib cov roj uas tsim tawm (los ntawm tej yam xws li arcing lossis overheating) lossis kev hloov pauv sai ntawm cov roj ntws. Thaum twg los xij, nws khaws nws nrawm.
Qee qhov tseem ceeb ntawm nws:
Nws yog tag nrho cov neeg kho tshuab - tsis muaj hluav taws xob xav tau los ua haujlwm.
Super dependable ua tsaug rau buoyancy thiab yooj yim physics.
rhiab txaus los ntes ob qho tib si me me creeping teeb meem thiab loj tam sim ntawd sawv daws yuav.
Tsim nyob rau hauv 1921 los ntawm Max Buchholz, thiab yog - nws tseem nyob txhua qhov chaw vim nws tsuas yog ua haujlwm. Muab engineers thiab techs tiag tiag kev thaj yeeb ntawm lub siab.
Cov kab hauv qab: nws ncaj nraim, ua tau zoo, thiab yog ib qho tseem ceeb rau kev ua kom cov transformers muaj kev nyab xeeb thiab saib xyuas kom zoo.
Me ntsis keeb kwm thiab yog vim li cas nws tseem ceeb rau kev nyab xeeb
Max Buchholz patented qhov no rov qab rau xyoo 1921, thiab nws yog hom kev ua si - hloov pauv thaum lub sijhawm - txoj kev tsis zoo, kev siv tshuab los tiv thaiv transformers yam tsis muaj hluav taws xob zoo nkauj. Fast-mus rau niaj hnub no, thiab txawm tias tag nrho cov niaj hnub digital relays tawm muaj, Buchholz tseem yog ib qho tseem ceeb.
Nws tau loj hlob hauv qhov tseem ceeb vim tias lub tshuab hluav taws xob tau loj dua thiab tseem ceeb dua. Los ntawm kev ntes cov teeb meem sab hauv thaum ntxov, nws tau pab txo qis kev hloov pauv thoob ntiaj teb me ntsis.
Los ntawm qhov pom kev nyab xeeb ntshiab, nws yog kub: cov lus ceeb toom ntxov txhais tau tias koj tsis txhob tawg, hluav taws kub, lossis hluav taws kub heev. Qhov ntawd tiv thaiv tsis yog cov iav xwb, tab sis tib neeg ib yam nkaus, thiab ua kom cov kab sib chaws ruaj khov dua tag nrho.
Yuav Ua Li Cas Thiab Nyob Hauv
Buchholz relay yog tawv thiab ncaj nraim - tsis muaj hluav taws xob, tsuas yog cov khoom siv tshuab ua qhov hnyav nqa. Tias simplicity yog vim li cas nws thiaj li ntseeg tau.
Qhov tseem ceeb feem ntau yog:
Ib lossis ob ntab (nyob ntawm tus qauv)
Mercury keyboards (los yog qee zaum niaj hnub sib nqus reed keyboards hnub no)
Gas Collection Chamber
Ib tug channel rau roj ntws
Txhua yam yog nyob rau hauv ib tug cam khwb cia vaj tse nyob nruab nrab ntawm lub tank thiab conservator. Gas los ntawm qhov txhaum nce thiab sau rau hauv lub chamber, thawb cov roj qib qis thiab tso cov ntab saum toj kawg nkaus - uas tig mus rau qhov hloov thiab teeb tsa lub tswb. Rau tam sim ntawd cov roj surges (xws li los ntawm ib tug loj arc), lub qis ntab los yog baffle tau raug thawb thiab mus ncig lub breaker.
Kev tso kawm yog qhov tseem ceeb: nws yuav tsum tau ntes roj mus rau tus neeg saib xyuas sai.
Nws Ua Haujlwm Li Cas: Kev Ua Haujlwm tiag
Tag nrho cov khoom yog tuag yooj yim mechanically. Kev ua txhaum nyob rau hauv lub transformer ua txhaum cov roj, tsim cov roj (xws li hydrogen, methane, thiab lwm yam). Cov pa roj ua npuas tuaj thiab nkag mus rau hauv lub relay lub chamber.
Raws li cov roj tsim, nws hloov cov roj, cov roj theem poob, thiab cov dej ntws sab saud. Qhov kev txav ntawd tig mus rau qhov hloov pauv-boom, tswb mus rau qhov ua txhaum me me (me me roj ntim).
Rau qhov ua txhaum loj -zoo li lub luv luv lossis loj arc- muaj roj (thiab roj). Qhov surge hits lub baffle los yog vane nyob rau hauv qis qis, flipping lub hloov nyuaj thiab tripping lub transformer offline ua ntej tej yam yuav tsis zoo.
Quick rundown ntawm cov kauj ruam:
Fault tsim roj → roj sau hauv relay
Roj theem ntog → ntab tee → tswb (me me txhaum)
Sudden roj surge → baffle txav → mus txawv tebchaws (kev txhaum loj)
Nws yog proactive: muab sijhawm rau koj los kho cov khoom me me, lossis tshem tawm cov teeb meem loj tam sim ntawd. Tias yog vim li cas nws yog qhov zoo li lub hauv paus rau kev tiv thaiv transformer.
Yam Ua Dab Tsi Nws Catch
Buchholz yog qhov zoo ntawm kev khaws:
Insulation breakdowns (arcing, ib nrab tso tawm)
Overheating (los ntawm overloads, thaiv cua txias, thiab lwm yam)
Cov roj xau los yog cov roj tsawg
Tag nrho cov no tsim cov roj los yog cuam tshuam cov roj ntws, yog li cov ntawv ceeb toom relay. Kev ntes lawv thaum ntxov ua rau koj ua haujlwm tiv thaiv tsis yog kho thaum muaj xwm txheej ceev.
Cov lus qhia rau kev teeb tsa rau roj -Filled Transformers
Koj mount nws rau ntawm cov yeeb nkab nruab nrab ntawm lub tank loj thiab cov conservator -zoo nkauj heev qhov tsuas yog qhov chaw. Xyuas kom tseeb tias nws yog theem, ua raws cov roj ntws, thiab kaw tag nrho (tsis muaj cua xau, lossis koj yuav tau txais lub tswb cuav).
Daim ntawv teev npe ceev:
Nyob nruab nrab ntawm lub tank thiab conservator
Ua raws li cov roj ntws kev taw qhia
Huab cua- cov ntsaws ruaj ruaj ruaj thiab txhim khu kev qha
Ua qhov yog, thiab nws yuav ntes cov teeb meem ntseeg tau.
Nws Lub Luag Haujlwm hauv Kev Tiv Thaiv Kev Tiv Thaiv & Saib Xyuas Tag Nrho
Cov relay no yog tus tiv thaiv pem hauv ntej- pom qhov ua txhaum sab hauv uas lwm yam kev tiv thaiv yuav plam kom txog thaum nws lig dhau lawm. Kev tshawb pom ntxov txhais tau tias kev puas tsuaj tsawg dua, kev tawm tsam tsawg dua.
Nws yog 100% ywj siab (tsis muaj lub zog xav tau), yog li nws ib txwm "rau." Gas buildup=ceeb toom; loj surge=kaw. Qhov combo ua rau nws tseem ceeb rau kev saib xyuas kev noj qab haus huv transformer hauv lub sijhawm.
Kev Saib Xyuas: Ua kom ntseeg tau
Tsis txhob tsis quav ntsej nws vim nws yog mechanical. Xyuas nws tsis tu ncua rau cov dej xau, corrosion, lossis phom. Kuaj nws tam sim no thiab tom qab ntawd los ntawm simulating faults (gas txhaj lossis float txav txav) kom paub tseeb tias cov keyboards thiab ntab teb.
Cov cwj pwm zoo tshaj plaws:
Kev kuaj pom pom txhua ob peb lub hlis
Kev ntsuam xyuas ua haujlwm nyob rau hauv kev nyab xeeb
Ntxuav cov kev sib txuas thiab tsis muaj cov khoom xoob
Kev saib xyuas zoo=tsawg dua surprises thiab lub neej ntev dua rau ob qho tib si relay thiab transformer.
Pros thiab Cons
Qhov zoo
pheej yig thiab yooj yim - tsis muaj lub zog zoo xav tau
Kev ntseeg siab heev (passive ua haujlwm)
Catch faults ntxov- feem ntau ua ntej lwm relays txawm pom lawv
Ua haujlwm nrog cov roj feem ntau -immersed transformers
Kev txwv
Tsuas yog rau cov roj- puv units (tsis siv rau qhuav- hom)
Cov khoom txav tuaj yeem hnav tau ntau xyoo (txawm tias tsis tshua muaj)
Yuav tsis tiv thaiv windings ncaj qha los yog ntes super- ceev faults sab nraum txoj kev roj
Txawm li cas los xij, rau qhov nws tau tsim los rau, cov txiaj ntsig deb tshaj qhov tsis zoo.
Qhov twg yog siv hnub no
Koj pom Buchholz relays thoob plaws: chaw nres tsheb fais fab, chaw tsim khoom, chaw nres tsheb, cov khoom siv hluav taws xob-qhov twg muaj roj loj- puv transformer uas tsis tuaj yeem them tsis taus. Nws ua si zoo nrog cov tshuab niaj hnub dhau los, feem ntau koom nrog kev sib txawv relays, ntsuas kub ntsuas, thiab lwm yam, rau kev tiv thaiv txheej.
Wrapping Up: Vim li cas Buchholz Relays tseem yog qhov kev xaiv ntse
Thaum kawg ntawm hnub, Buchholz relay yog qub - tsev kawm ntawv tab sis ci ntsa iab. Nws ntes tau cov teeb meem thaum ntxov, tiv thaiv tshuab-ups, thiab ua kom cov transformers humming nrog kev nyab xeeb rau xyoo.
Nrog kev saib xyuas tsis tu ncua, nws yog ib qho ntawm cov khoom siv tau zoo tshaj plaws ntawm cov roj- ua kom lub tshuab hloov pauv. Yog tias koj mob siab txog kev nyab xeeb hluav taws xob thiab tsis txhob muaj qhov xav tsis thoob, cov cuab yeej me me no tsim nyog nws qhov hnyav hauv kub.
