OLTC Ntawm -Load Tap Changer Maintenance: Tsav Mechanism Lubrication thiab Tiv Thaiv Kev Tshawb Fawb
May 08, 2026
Tso lus
Raws li qhov tshwj xeebtransformer Cheebtsam chaw tsim tshuaj paus thiab muab kev pab, GNEE muab kev qhia davOLTC ntawm -load tap changerkev saib xyuas, nrog kev txawj ntse tob hauvtsav mechanism lubricationthiabtiv tauj kev kuaj xyuas, peb pab cov khoom siv hluav taws xob thiab kev lag luam thoob ntiaj teb txuas ntxiv OLTC lub neej, tiv thaiv kev ua tsis tiav, thiab ua kom muaj hluav taws xob raug cai.
Kab lus no rhuav tshem ob qhov tseem ceeb tshaj plaws, tab sis feem ntau tsis quav ntsej, yam ntawm OLTC kev saib xyuas - lub tshuab tsav lub tshuab lubrication niaj hnub thiab kev tshuaj xyuas kev sib txuas thiab kev hloov pauv kev sib cuag - thaum qhia koj yuav ua li cas GNEE lub Hoobkas- kev txhawb nqa tuaj yeem ua kom yooj yim rau koj txoj kev npaj tu.
Qhov tseem ceeb ntawm OLTC tsis tu ncua ntawm -Load Tap Changer Maintenance
Ib qho ntawm -load kais hloov pauv ua haujlwm ntawm 2000kVA transformer, lossis ib chav tsev loj dua, tuaj yeem ua ntau qhov kev hloov pauv txhua hnub. Txhua tus kais hloov pauv hloov pauv hloov pauv thiab lub tshuab tsav mus rau cov cuab yeej siv zog thiab hluav taws xob arcing. Thaum lub sij hawm, tsis txausOLTC ntawm -load kais changer tunqa kev hloov pauv siab dua, kev ua haujlwm qeeb, thiab txawm tias ua tiav txhua yam qaug dab peg. Tej yam tshwm sim muaj xws li overheating ntawm kev sib cuag, roj carbonization, thiab coj mus rhaub - mus rau - kais flashovers uas ua rau raug nqi tsis tau npaj tseg.
Tsav Mechanism Lubrication: Lub Ntsiab Tseem Ceeb ntawm OLTC Ntawm -Load Kais Changer Maintenance
Lub tshuab tsav tsheb hloov lub cev muaj zog hloov mus rau hauv cov kab tawm los yog cov kab hluav taws xob hloov pauv los ntawm cov ncej, lub zog, cams, thiab cov saw hlau. Yog tias tsis muaj lubrication zoo, kev sib txhuam nce nrawm, ua rau muaj zog ntxiv tam sim no rub tawm, tsis sib xws kais hloov pauv, thiab ua kom lub tshuab ua kom nrawm nrawm.Tsav mechanism lubricationyuav tsum raug kho raws li tsis yog -ib feem ntawm ib qho twgOLTC ntawm -load kais changer tunpaj.
Xaiv lub Lubricant kom raug rau OLTC Tsav Mechanism
Tsis yog txhua cov roj uas tsim nyog rau OLTC ib puag ncig. Lub lubricant yuav tsum muaj kev ruaj khov nyob rau hauv ntau qhov kub thiab txias, tiv thaiv oxidation hauv lub tsev tsav, thiab ua tau raws li cov ntaub ntawv foob uas twb muaj lawm.
GNEE recommends:
- A lithium{0}}cov roj sib xyaw lossis hluavtaws nrog NLGI qib 2.
- Kev khiav hauj lwm kub ntawm -30℃mus rau +120℃rau kev teeb tsa sab nraum zoov.
- Cov dej ntxuav tau zoo heev thiab tiv thaiv -corrosion additives.
Kev siv cov thickener tsis ncaj ncees lawm los yog cov roj hauv paus tuaj yeem ua kom hnav tsis txhob tiv thaiv nws. Peb cov kws ua haujlwm hauv teb tau nquag pom cov tshuab tsav tsheb uas muaj roj nrog dav dav - lub hom phiaj lub khob roj, uas khov rau qhov kub thiab txias thiab ua rau muaj kev txwv tsis pub hloov mus ua haujlwm. Ib feem tseem ceeb ntawm GNEE'stsav mechanism lubricationkev pabcuam yog txheeb xyuas cov roj nplua nyeem cov lus qhia tawm tsam OLTC cov chaw tsim khoom pom zoo thiab hloov cov khoom tsis raug.
Kauj ruam-los ntawm- Kauj Ruam Tsav Tshuab Lubrication txheej txheem
Ib tug meejtsav mechanism lubricationsequence thaumOLTC ntawm -load kais changer tuua raws li cov kev coj ua no:
- Kev tiv thaiv kev nyab xeeb: Xauv lub zog tsav lub cev muaj zog thiab paub meej tias OLTC nyob rau hauv qhov tsis yog - hloov pauv.
- Kev tshem tawm cov roj qub: Ntxuav tag nrho cov khoom siv tau yooj yim, cov cams, thiab cov hlua khi nrog lint -dawb ntaub thiab cov kuab tshuaj tau pom zoo kom tshem tawm cov roj paug los yog qhuav.
- Daim ntawv thov phiaj: Siv cov roj nplua nyeem tshiab tsis tu ncua rau iav cov hniav sib cuag lub ntsej muag, saw pins, thiab cov ntawv sau cia. Tsis txhob over-greasing, uas tuaj yeem ua rau thermal tsim- nce thiab nyiam plua plav.
- Tsav lub thawv tshuaj xyuas: Txheeb xyuas qhov ua pa ntawm lub tshuab nqus tsev thiab cov pa roj carbon monoxide, tom qab ntawd rov ua dua -lubricate ib qho kev sib txuas sab nraud ntawm lub twj tso kua mis universal.
- Kev xeem ua haujlwm: Tom qab kev pab cuam, khiav lub tshuab los ntawm tag nrho cov kais dej nce thiab nqis thaum saib xyuas lub cev muaj zog tam sim no thiab mloog cov suab nrov txawv txav.
Thaum GNEE uaOLTC ntawm -load kais changer tuntawm -site, peb sau cov ntaub ntawv lubricant hom, batch naj npawb, thiab daim ntawv thov hnub ntawm daim ntawv nplaum rau cov kev pabcuam tshwjxeeb, tsim kom muaj keeb kwm lubrication rau koj lub cuab tam.
Tiv tauj Wear Inspection: Ua kom ntseeg tau kev ua haujlwm ntawm On -Load Kais Changers
Thaum lub lubrication tiv thaiv lub tshuab tsav, cov neeg nyob hauv lub diverter hloov compartment ncaj qha nqa lub load tam sim no thaum hloov.Tiv tauj kev kuaj xyuasyog lub hauv paus thib ob ntawm kev ntseeg tauOLTC ntawm -load kais changer tu. Arc yaig maj mam txo cov khoom sib cuag; thaum sab laug tsis kuaj xyuas, nws ua rau muaj kev tiv thaiv siab, cua sov hnyav, thiab nws thiaj li hu rau vuam los yog tsis ua rau lub arc tawg.
Kev ntsuas tseem ceeb thaum lub sij hawm soj ntsuam kev sib cuag
Lub ntsiab lustiv tauj kev kuaj xyuasyuav tsum ntsuas qhov arc yaig thiab sib piv cov txiaj ntsig tiv thaiv kev txwv tsis pub hnav. GNEE txoj kev soj ntsuam raws tu qauv npog:
- Arcing contact thickness: Ntsuas nrog lub ntsuas hluav taws xob digital caliper lossis hnav ntsuas ntawm qhov ntsuas tshwj xeeb txhais los ntawm OLTC cov chaw tsim khoom. Ib qho kev ceeb toom txwv tsis pub dhau 3 hli ntawm qhov txuas txuas ntxiv ntev; hauv qab 2 hli, yuav tsum tau hloov tam sim.
- Kev hloov pauv tsis kam: Siv lub micro-ohmmeter nrog tsawg kawg yog 100 A ntsuas tam sim no muaj peev xwm, peb paub tseeb tias kev tiv thaiv kev tiv thaiv nyob qis dua 500 µΩ qhov pib rau arcing hu. Txhua qhov sib txawv qhia tias tsis zoo mating lossis oxidation nto.
- Tsau qhov chaw tiv tauj: Kev kuaj pom qhov pitting, qhab nia, lossis asymmetric burning qauv uas taw tes rau lub sij hawm misalignment los yog tsis muaj zog springs.
- Kev kuaj roj: Rau cov roj- hom OLTCs, ib qho piv txwv los ntawm lub diverter compartment yog coj thaum lub sij hawm kev soj ntsuam kev sib cuag thiab soj ntsuam rau ya raws, acidity, thiab arc byproducts.
Kev txhais cov ntaub ntawv tiv tauj Wear thiab ua haujlwm
Kev sib cais siab ua haujlwm ntawm ib qho kais dej yuav qhia tau tias lub caij nplooj ntoo hlav tsis muaj zog nyob ruaj khov, thaum kev sib tsoo tsis sib xws hla ntau tus neeg sib cuag feem ntau qhia txog lub sijhawm lig lossis tsis txaus hloov ceev. GNEE cov kws kho mob sib cuam tshuamtiv tauj kev kuaj xyuasnrhiav tau nrog tus kais hloov lub sij hawm kaw cia ua ntej qhov kev pab cuam. Qhov kev tsom xam ua ke no tso cai rau peb kom paub qhov txawv ntawm txoj haujlwm hloov kev sib cuag yooj yim thiab xav tau kev hloov kho kom sib sib zog nqus.
Thaum kev sib cuag hnav mus txog qhov kev txwv tsis pub dhau, GNEE tuaj yeem muab OEM- hloov cov kev sib cuag zoo ncaj qha los ntawm peb cov khoom seem seem, tshem tawm lub sijhawm tos uas cuam tshuam rau cov neeg siv khoom thoob ntiaj teb. Txhua qhov kev hloov pauv tau lees paub qhov ntsuas qhov ntsuas thiab tau nrog rau daim ntawv pov thawj kev ua raws li cov khoom siv.
Technical Specifications rau OLTC Drive Mechanism Lubrication thiab Tiv tauj Wear Parameters
Cov lus hauv qab no suav nrog cov kev saib xyuas tsis raug cai GNEE cov lus qhia thaum lub sijhawmOLTC ntawm -load kais changer tu, npog tsav lubrication thiab kev sib cuag hnav pib.
| Parameter | Specification / Kev pom zoo |
|---|---|
| Tsav Tsav Lubricant Hom | Lithium- roj roj complex los yog hluavtaws, NLGI Qib 2 |
| Roj Roj Kev Ua Haujlwm Kub Kub | -30℃rau +120℃(sab nraum lub luag haujlwm) |
| Pom zoo Lubrication Interval | Txhua 2,000-3,000 ua haujlwm lossis txhua xyoo |
| Maximum Arcing Contact Erosion | 3 hli (hloov yog cov khoom seem <2 hli) |
| Arcing Contact Transition Resistance | < 500 µΩ (measured at 100 A DC) |
| Tsau Tiv tauj Qhov Chaw Kho Mob | Tsis muaj pitting tob tshaj 0.5 mm |
| Insulation Resistance (Motor Tsav) | >100 MΩ ntawm 500 V DC |
| Diverter Roj Dielectric zog (Oil-hom) | Ntau tshaj los yog sib npaug rau 40 kV / 2.5 mm qhov sib txawv |
| Sequential Timing Deviation | < 1 ms between phases |
| Cov qauv ua raws | IEC 60214, IEEE C57.131, ISO 9001: 2015 |
Cov txiaj ntsig no ua haujlwm raws li go/no-go reference; Cov kev txwv tseeb yuav txawv ntawm OLTC qauv. GNEE ib txwm hla-references cov ntaub ntawv khoom qub ua ntej txiav txim siab hloov.
Xaus
nrujOLTC ntawm -load kais changer tuua ib puag ncig kom raugtsav mechanism lubricationthiab systematictiv tauj kev kuaj xyuasyog tus nqi tshaj plaws -kev tuav pov hwm zoo tiv thaiv tus kais hloov pauv tsis ua haujlwm thiab lub sijhawm hloov pauv tsis tau npaj tseg.
Thaum koj koom tes nrog GNEE, koj nkag mus tsis yog cov txheej txheem sau ntawv nkaus xwb tab sis lub Hoobkas - cov khoom siv ncaj qha, cov kws tshaj lij kev cob qhia, thiab cov qauv kev pabcuam tsim los ua kom koj OLTC nyob rau hauv cov kev qhia tshwj xeeb txhua xyoo. Tsis txhob cia lub roj nplua nyeem tsis quav ntsej lossis qhov kev sib cuag tsis zoo cuam tshuam koj cov peev txheej transformer.
Hu rau GNEE hnub no - qhia peb txog koj tus qauv OLTC thiab lub voj voog ua haujlwm, thiab peb yuav muab cov lus pom zoo saib xyuas thiab cov khoom seem hauv 24 teev.
Dab tsi yog ntawm -load tap changer oltc?
Ntawm -load Tap Changers, lossis OLTCs,tswj lub zog hauv lub tshuab hluav taws xob uas muaj kev hloov pauv. Lub transformer yuav hloov qhov voltage nyob rau hauv ib qho ntawm -load mob thaum tseem nyob rau hauv kev pab cuam los ntawm OLTC.
Dab tsi yog qhov txawv ntawm off load thiab OLTC?
Thawj qhov sib txawv ntawm ntawm -load (OLTC) thiab tawm -load (lossis tsis muaj-load) kais hloov pauv yog tiasOLTCs kho transformer voltage piv thaum lub transformer energized thiab nyob rau hauv load, tiv thaiv kev pab cuam cuam tshuam..
IEC tus qauv rau ntawm -load kais hloov pauv yog dab tsi?
TS EN 60214-1: Ntawm -Load Kais -Changer Standards. Cov ntaub ntawv no txhais cov ntsiab lus hais txog ntawm -load kais- hloov pauv, uas yog cov cuab yeej siv los hloov pauv cov kais dej sib txuas thaum lub tshuab hloov hluav taws xob muaj zog.
Nyob rau sab twg yog OLTC ntsia?
Ib qho OLTC feem ntau yog ntsia hauvthawj sabntawm lub zog transformer. Ib qho qis dua tam sim no ntawm thawj sab yog nyiam kom hloov pauv vim nws tuaj yeem txo qhov hloov pauv. Kev hloov pauv me me yuav ua rau lub neej ntev ntawm kev sib cuag thiab maj mam tsim cov pa roj carbon monoxide thaum cov roj siv los ua qhov nruab nrab insulating.
Dab tsi yog qhov zoo ntawm ntawm load tap changer?
Ntawm -Load Tap Changers:
Qhov zoo: Qhov zoo tshaj plaws ntawm OLTCs yog lawvmuaj peev xwm dynamically teb rau cov kev hloov nyob rau hauv load los yog input voltage yam tsis muaj cuam tshuam lub hwj chim mov. Qhov no txhim kho tag nrho kev ntseeg siab ntawm lub zog hluav taws xob, ua kom ruaj khov voltage rau cov neeg siv khoom.
Dab tsi yog qhov txawv ntawm load tap changer thiab tsis muaj load kais changer?
OLTC Cov Lus Txhais: Ib qho On Load Tap Changer (OLTC) yog ib qho khoom siv hauv lub zog hloov hluav taws xob uas tswj qhov hluav taws xob yam tsis tau hloov pauv ntawm lub tshuab hloov pauv. Tsis Muaj Load Kais Hloov Transformer:Tsis muaj Load Tap Changers (NLTCs) yog siv rau kev hloov pauv cov kais dej tsis muaj kev thauj khoom.