High -voltage switchgearyog ib qho tseem ceeb ntawm cov khoom siv hauv lub tshuab hluav taws xob, thiab nws txoj kev ntseeg tau ncaj qha cuam tshuam rau kev nyab xeeb ntawm cov khoom siv hluav taws xob. Cov hauv qab no yog ib tug txheej txheem cej luam ntawm nws cov tsis ua hauj lwm hom, ua, saib xyuas, thiab diagnostic txoj kev:
I. Cov tsos mob tseem ceeb thiab ua rau
1. Rwb thaiv tsev tsis raug
Cov tsos mob: flashover thiab tawg nyob rau hauv lub txee, ua rau ib leeg -theem grounding los yog theem- mus rau -theem luv circuits, feem ntau nrog tawg thiab hluav taws.
Ua rau:
Rwb thaiv tsev degradation: Kev laus, noo noo, plua plav txuam, thiab condensation ntawm cov ntaub ntawv insulating.
Rwb thaiv tsev tsis txaus: tsim tsis tsim nyog lossis kev teeb tsa, ua rau muaj kev ncua deb hauv lub txee uas tsis ua raws li qhov yuav tsum tau ua.
Overvoltage: xob laim ntaus lossis ua haujlwm overvoltages tshaj cov cuab yeej tiv taus qib.
Kev tso tawm ib nrab: Cov kev puas tsuaj sab hauv (cua pa, impurities) ua rau ntev - lub sij hawm tso tawm ib nrab thiab qhov tshwm sim tawg.
Txawv teb chaws khoom intrusion: tsiaj me, hlau shavings, thiab lwm yam., ua rau luv luv Circuit Court.
2. Tam sim no - nqa (conductive circuit) txhaum
Cov tsos mob: Cov cua kub tsis zoo thiab melting ntawm cov ntsiab lus txuas, uas ua rau hluav taws kub.
Ua rau:
Kev sib cuag tsis zoo: Kev tiv thaiv kev tiv thaiv ntau ntxiv vim oxidation, loosening, lossis mechanical hnav ntawm Circuit Court breaker hu, disconnect keyboards, cable connectors, thiab lwm yam.
Overload: Kev ua haujlwm tsis tu ncua tshaj qhov ntsuas tam sim no.
Tsim los yog cov khoom tsis zoo: Cov neeg xyuas pib tsis txaus -section lossis cov khoom tsis zoo.
3. Mechanical Faults
Cov tsos mob: Cov keyboards tsis ua haujlwm, ua haujlwm tsis raug, ua rau lub sijhawm ua haujlwm, lossis tsis qhib lossis kaw.
Ua rau:
Kev khiav hauj lwm mechanism tsis ua hauj lwm: Caij nplooj ntoos hlav qaug zog, deformation, los yog tawg; hydraulic / pneumatic mechanism siab poob los yog to; lub cev muaj zog lossis electromagnet puas.
Cov teeb meem kis tau tus mob: Txuas cov pas nrig, levers, pins, thiab lwm yam, yog deformed, hnav, los yog detached.
Tsis zoo lubrication: Lubricating roj nyob rau hauv lub mechanism yog qhuav los yog deteriorated.
4. Hloov cov yam ntxwv tsis raug
Cov tsos mob: qhib thiab kaw ceev, lub sijhawm, thiab synchronicity tsis ua raws li qhov yuav tsum tau ua, cuam tshuam rau kev cuam tshuam lub peev xwm.
Ua rau:
Kev hloov pauv hauv kev ua haujlwm ntawm kev ua haujlwm (piv txwv li, lub caij nplooj ntoos hlav tsis txaus).
Degradation ntawm arc extinguishing nruab nrab kev ua tau zoo (piv txwv li, SF6 roj to, txo lub tshuab nqus tsev).
Tswj Circuit Court tsis ua hauj lwm.
5. Secondary Circuit Court thiab Control System Faults
Cov tsos mob: Kev tiv thaiv kab mob ua haujlwm tsis zoo (tshwj tsis yog tawm mus / tsis ua haujlwm), cov teeb liab tsis raug, tsis muaj peev xwm ua tau cov chaw taws teeb tswj.
Ua rau:
Cov kab hluav taws xob xoob xoob, cov kab hluav taws xob puas.
Kev ua yuam kev hauv relays lossis microprocessor- raws li cov khoom siv tiv thaiv.
Lub zog tsis zoo (DC lossis AC).
II. Kev soj ntsuam thiab kev kuaj mob
Kev saib xyuas niaj hnub siv thev naus laus zis hloov pauv los ntawm "kev saib xyuas lub sijhawm" mus rau "kev mob-raws li kev saib xyuas" thiab "kev saib xyuas kwv yees."
1. Kev saib xyuas qhov ntsuas hluav taws xob
Kev Saib Xyuas Kev Tso Tawm Ib Feem: Qhov tseem ceeb tshaj plaws hauv online kev saib xyuas kev tiv thaiv kab mob.
Txoj Kev: Siv cov khoom siv hluav taws xob hloov pauv hauv av, ultra- cov khoom siv hluav taws xob siab, ultrasonic sensors, thiab lwm yam., txhawm rau txheeb xyuas cov teeb liab PD.
Kev kuaj mob: Los ntawm kev txheeb xyuas qhov tso tawm amplitude, zaus, theem, thiab lwm yam qauv, hom (xws li, qhov paug tawm sab hauv, sab hauv) thiab qhov hnyav ntawm qhov tsis xws luag tuaj yeem txiav txim siab.
SF6 Gas Monitoring (rau roj-insulated switchgear):
Density/Pressure Monitoring: Saib xyuas cov pa roj.
Moisture Content Monitoring: Cov ntsiab lus noo noo siab txo cov rwb thaiv tsev thiab arc extinguishing kev ua tau zoo.
Decomposition Product Analysis: Tshawb xyuas SO2, H2S, thiab lwm yam, qhia txog kev tawm sab hauv lossis overheating txhaum.
Environmental Temperature and Humidity Monitoring: Tiv thaiv kom tsis txhob muaj qhov kub thiab txias, uas ua rau txo cov rwb thaiv tsev.
2. Kev ntsuas kub
Hu rau- hom: Fiber optic grating kub sensors, wireless kub cim npe. Txuas ncaj qha rau ntawm hotspots xws li kev sib cuag thiab cable txuas.
Tsis yog - hom kev tiv tauj: Infrared thermal imager (siv rau kev soj ntsuam raws sij hawm). Nws tuaj yeem pom qhov txawv txav ntawm qhov kub thiab txias ntawm qhov chaw sab nrauv ntawm lub txee.
Kev kuaj mob: Teem lub tswb ceeb toom thiab ua ke nrog kev ntsuas tam sim no txhawm rau txiav txim siab qhov kev sib cuag tsis zoo lossis overload.
3. Mechanical yam ntxwv saib xyuas
Qhib thiab Kaw Coil Tam Sim No Waveform Analysis: Los ntawm kev txheeb xyuas cov yam ntxwv ntawm lub sijhawm nthwv dej tam sim no (lub sijhawm pib, tus nqi siab tshaj, lub sijhawm, thiab lwm yam), kuaj xyuas cov teeb meem cuam tshuam thiab cuam tshuam.
Vibration Signal Analysis: Nruab acceleration sensors ntawm lub tshuab los sau cov vibration waveforms thaum qhib thiab kaw haujlwm. Los ntawm kev sib piv nrog keeb kwm ib txwm waveforms, txheeb xyuas qhov txawv txav (xws li xoob bolts, deformed qhov chaw).
Stroke- Lub Sijhawm Saib Xyuas Yam Ntxim Saib Ntxim Ua: Saib xyuas cov hlab ntsha tawg ntawm kev txav mus los, suav cov kev txwv xws li kev ceev, kev hla dhau, thiab kev sib koom ua ke, thiab txiav txim siab txog lub xeev ntawm arc extinguishing chamber thiab mechanism.
4. Cov yam ntxwv ntawm hluav taws xob saib xyuas
Circuit breaker yam ntxwv kev khiav hauj lwm: Online kaw ntawm qhib thiab kaw lub sij hawm thiab ceev.
Lub zog cia lub cev muaj zog ua haujlwm raws li txoj cai: Saib xyuas lub zog cia lub sij hawm, tam sim no, thiab cov voj voog.
5. Kev Tshawb Fawb Kev Sib Txuas Lus
Multi- parameter fusion: Uploading multi-cov ntaub ntawv xws li qhov kub thiab txias, ib feem ntawm qhov tso tawm, cov yam ntxwv ntawm lub tshuab, thiab thauj khoom tam sim no rau lub platform sib koom ua ke.
Cov ntaub ntawv tsom xam thiab kev txawj ntse txawj ntse:
Kev tsom xam: Kev soj ntsuam qhov sib txawv ntawm qhov tseem ceeb tsis dhau lub sijhawm.
Lub tswb ceeb toom: Teem ntau- theem ceeb toom thiab lub tswb ceeb toom.
Cov kws tshaj lij kev ua haujlwm / tshuab kev kawm: Tsim cov qauv kev ua txhaum thiab ua cov qauv kev lees paub thiab kev ntsuas kev noj qab haus huv los ntawm algorithms (xws li neural networks thiab txhawb nqa vector machines) txhawm rau kwv yees lub neej tseem tshuav.
Kev ntsuas kev ntsuas thiab kev txiav txim siab txhawb nqa: Lub kaw lus ntsuas ntsuas "kev ntsuas kev noj qab haus huv" ntawm lub tshuab hloov pauv thiab muab cov lus pom zoo xws li "kev ua haujlwm txuas ntxiv," "txhim kho kev soj ntsuam," "kev npaj kho," lossis "kev kaw tam sim."
Cov ntsiab lus thiab cov lus pom zoo
| Hom txhaum | Ntsiab tshuaj xyuas Parameters | Lub Ntsiab Saib Xyuas Tshuab |
|---|---|---|
| Rwb thaiv tsev txhaum | Kev tso tawm ib nrab, roj tsis ua haujlwm, kub thiab av noo | TEV/UHF/ultrasonic sensors, gas sensors |
| Tam sim no - ua txhaum | Kub, load tam sim no | Wireless ntsuas kub, fiber optic ntsuas kub, infrared thermal imaging |
| Mechanical txhaum | Kev vibration, coil tam sim no, hloov chaw -time | Acceleration sensors, tam sim no sensors, txav sensors |
| Kev noj qab haus huv tag nrho | Ntau - parameter fusion | Kev tshuaj xyuas online + kev kuaj mob ntse platform |
Cov lus pom zoo rau kev siv:
Tiered Configuration: Ua ntej saib xyuas online rau switchgear hauv substations tseem ceeb thiab siab -load circuits.
Tib neeg-Kev Sib Koom Tes Tshuab: Kev saib xyuas hauv online tsis tuaj yeem hloov pauv kev tshuaj xyuas cov ntawv thiab kev tiv thaiv (xws li tiv thaiv qhov ntsuas hluav taws xob).
Cov ntaub ntawv-Txoj Kev Ua Tau Zoo: Tsim cov ntaub ntawv rau tag nrho lub neej voj voog ntawm cov khoom siv los tsim cov ntaub ntawv hauv paus rau kev kuaj mob ntse.
Cov Qauv Ua Ntej: Tsim cov kev soj ntsuam xyuas thiab cov cai kuaj mob raws li cov qauv xws li IEC thiab GB.
Los ntawm kev siv cov txheej txheem saib xyuas thiab tshuaj ntsuam xyuas thev naus laus zis, kev ua haujlwm kev ntseeg siab ntawm siab -voltage switchgear tuaj yeem txhim kho tau zoo, ua kom muaj kev hloov pauv ntawm "kho tom qab tsis ua hauj lwm" mus rau "kev ceeb toom tsis txaus," yog li ua kom muaj kev nyab xeeb thiab ruaj khov ntawm daim phiaj hluav taws xob.
Tiv tauj peb
Shaanxi Huadian siab-voltage switchgear muaj kev sib cais kev nyab xeeb, kev tiv thaiv meej, thiab kev tswj xyuas ntse, ua kom cov pob zeb- muaj kev ntseeg ruaj khov ntawm koj lub siab -voltage fais fab faib tshuab. Peb pab neeg ntawm cov kws paub txog engineers muab kev tsim hluav taws xob tsim thiab kev ua kom zoo tshaj plaws los lav qhov kev daws teeb meem zoo tshaj plaws. Yog xav paub ntxiv, thov hu rau peb:pannie@hdswitchgear.com.
