Raws li cov cuab yeej tseem ceeb hauv kev xa hluav taws xob thiab kev xa tawm, cov khoom siv hluav taws xob ua lub luag haujlwm tseem ceeb hauv kev ua kom lub zog ruaj khov. Txawm li cas los xij, transformer burnout xwm txheej tshwm sim ib ntus vim muaj ntau yam, uas tsis yog tsuas yog ua rau kev poob nyiaj txiag tab sis kuj cuam tshuam rau kev ua haujlwm ntawm kev tsim khoom thiab lub neej. Kab lus no yuav piav qhia txog cov laj thawj ntawm kev hloov pauv hloov pauv thiab cov kev daws teeb meem sib xws, tsom mus rau daim ntawv thov thiab kev tiv thaiv ntawm 315kva qhuav hom transformer thiabqhuav hom kauj ruam down transformer, muab cov ntaub ntawv siv tau rau cov kws tshaj lij thiab cov neeg siv.
I. Feem ntau ua rau Transformer Burnout
Transformer burnout feem ntau yog tshwm sim los ntawm kev ua haujlwm tsis raug, kev saib xyuas tsis zoo, teeb meem khoom siv tsis zoo lossis lwm yam ib puag ncig. Cov hauv qab no yog feem ntau ua rau, uas kuj siv rau 315kva qhuav hom transformer thiab qhuav hom kauj ruam down transformer.
1. Tsis muaj lossis tsis tsim nyog ntawm fuses
Tsis muaj fuse nyob rau sab siab thiab tsis tshua muaj hluav taws xob ntawm qee qhov hloov pauv hloov pauv. Txawm hais tias poob - tawm fuses thiab horn fuses raug teeb tsa, cov fuses feem ntau hloov nrog txhuas lossis tooj liab xov hlau. Thaum qis-voltage luv luv lossis overload tshwm sim, cov fuses tsis tuaj yeem tshuab ib txwm, ua rau lub tshuab hluav taws xob hlawv. Tsis tas li ntawd, cov fuses ntawm qhov siab thiab qis voltage sab ntawm lub transformer feem ntau configured loj heev. Thaum lub transformer hnyav dhau lawm, cov fuses tsis tuaj yeem ua lub luag haujlwm tiv thaiv, ua rau burnout. Qhov teeb meem no tshwj xeeb tshaj yog nyob rau qee qhov qub 315kva qhuav hom transformer thiab qhuav hom kauj ruam down transformer uas tau ua haujlwm ntev.
2. Unbalanced peb -theem load lag luam
Hauv cov cheeb tsam nyob deb nroog lossis qee qhov chaw muaj kev lag luam, muaj ntau txoj kab teeb pom kev zoo, feem ntau yog siv ib zaug -theem fais fab mov. Tsis tas li ntawd, qhov randomness ntawm jumper xov hlau thaum lub sij hawm tsim kho thiab kev tswj tsis txaus ua rau kev ua haujlwm tsis sib luag ntawm lub tshuab hloov pauv. Ntev - lub sijhawm ua haujlwm tsis sib npaug yuav ua rau lub rwb thaiv tsev ntawm qee theem coil rau hnub nyoog thiab kev puas tsuaj, thiab txawm tias hlawv tawm ntawm lub tshuab hluav taws xob. Rau qhuav hom kauj ruam down transformer siv nyob rau hauv kev lag luam vaj tse thiab me me kev lag luam rhiav, unbalanced load kuj yog ib tug ntawm cov tseem ceeb ua rau burnout.
3. Teeb meem nrog kais hloov pauv
Lub kais hloov pauv yog ib qho tseem ceeb ntawm cov transformer los kho cov zis voltage. Muaj ob qhov teeb meem tseem ceeb uas ua rau lub tshuab hluav taws xob kub hnyiab: ua ntej, kev hloov pauv tsis tau tso cai ntawm tus kais hloov pauv los ntawm cov neeg ua haujlwm tsis zoo ua rau cov neeg ua haujlwm tsis zoo ntawm tus kais hloov pauv, lub hauv paus overheating thiab burnout; Thib ob, qhov tsis zoo ntawm tus kais hloov pauv nws tus kheej ua rau tsis tiav kev sib cuag ntawm lub hnub qub, ua rau luv luv Circuit Court lossis hauv av tawm, uas ntxiv hlawv tawm ntawm lub transformer. Qhov no kuj yog ib qho txhaum cai hauv 315kva qhuav hom transformer.
4. Roj to thiab rwb thaiv tsev dampness (rau roj-immersed transformers)
Roj leakage yog qhov tshwm sim feem ntau tshwm sim sab nraud ntawm cov roj-immersed transformers. Lub cev transformer yog ntim nrog roj, thiab tag nrho cov kev sib txuas qhov chaw yog nruab nrog roj hmab hlaws thiab gaskets los tiv thaiv cov roj to. Tom qab ua haujlwm ntev - lub sijhawm ua haujlwm, qee cov roj hmab hlaws thiab gaskets hauv transformer yuav muaj hnub nyoog thiab tawg, ua rau cov roj to. Cov roj to yuav ua rau txo cov rwb thaiv tsev ua haujlwm tom qab damp, tawm luv luv Circuit Court, thiab thaum kawg hlawv tawm lub transformer. Rau qhuav- hom transformers xws li 315kva qhuav hom transformer, txawm hais tias tsis muaj teeb meem roj to, qhov chaw ntub dej kuj yuav ua rau rwb thaiv tsev degradation thiab burnout.
5. xob laim raug puas tsuaj
Feem ntau ntawm cov kab hluav taws xob siab thiab tsis tshua muaj hluav taws xob ntawm cov hluav taws xob faib hluav taws xob tau qhia los ntawm cov kab nyiaj siv ua haujlwm. Yog tias tus neeg ntes tsis tau muab tso rau hauv lub sijhawm lossis tsis muaj 10kV tus ntes tau teeb tsa, lub tshuab hloov pauv yuav raug hlawv thaum xob laim. Tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam uas nquag thunderstorms, qhov kev pheej hmoo ntawm xob laim kev puas tsuaj rau transformers yog siab dua, nrog rau 315kva qhuav hom transformer thiab qhuav hom kauj ruam transformer siv nyob rau hauv sab nraum zoov ib puag ncig.
6. Lwm yam ua rau
Ntxiv rau cov laj thawj saum toj no, core multi-point grounding, luv Circuit Court ntawm qhov qis-voltage sab, thiab txiv neej- ua kev puas tsuaj kuj tuaj yeem ua rau lub tshuab hluav taws xob hlawv. Piv txwv li, thaum lub hauv av los yog theem - mus rau -theem luv luv Circuit Court tshwm sim nyob rau hauv qis -voltage sab ntawm lub transformer, luv luv -circuit tam sim no 20-30 zaus siab tshaj qhov ntsuas tam sim no, uas yuav ua rau cov neeg kho tshuab kev nyuaj siab thiab kub siab heev, hlawv tawm lub transformer nyob rau hauv lub sij hawm luv luv; tib neeg tsim kev puas tsuaj xws li electrochemical corrosion ntawm tooj liab thiab txhuas hlau thiab bushing flashover paug kuj tseem ceeb yam ua rau transformer burnout.
II. Countermeasures los tiv thaiv Transformer Burnout
Aiming ntawm cov saum toj no ua rau ntawm transformer burnout, peb muaj peev xwm coj tsom ntsuas ntsuas kom zoo txo qhov tshwm sim ntawm burnout xwm txheej, tshwj xeeb tshaj yog rau315kva qhuav hom transformerthiab qhuav hom kauj ruam down transformer, uas xav tau ntau lub hom phiaj tiv thaiv raws li lawv siv ib puag ncig thiab cov yam ntxwv.
1. Txhim kho thiab teeb tsa fuses kom raug
Thaum tsim lub tshuab hluav taws xob tshiab, cov fuses siab thiab tsis tshua muaj hluav taws xob yuav tsum tau nruab rau lub sijhawm. Thaum lub sijhawm ua haujlwm ntawm lub tshuab hloov pauv, yog tias lub fuse raug hlawv lossis raug nyiag lawm, nws yuav tsum tau hloov raws sijhawm. Nyob rau tib lub sijhawm, cov fuses yuav tsum tau teeb tsa tsim nyog: rau cov khoom siv hluav taws xob uas muaj peev xwm ntau dua 100kVA (xws li 315kva qhuav hom transformer), fuses nrog 1.5-2.0 npaug ntawm qhov ntsuas tam sim no yuav tsum tau teeb tsa; rau transformers uas muaj peev xwm tsawg dua 100kVA, fuses nrog 2.0-3.0 npaug ntawm qhov ntsuas tam sim no yuav tsum tau teeb tsa; cov fuses nyob rau sab qis-voltage yuav tsum raug xaiv kom loj dua me ntsis ntawm qhov ntsuas tam sim no kom ntseeg tau tias cov fuses tuaj yeem tshuab tau ib txwm muaj thaum muaj teeb meem tshwm sim thiab ua lub luag haujlwm tiv thaiv.
2. Zam tsis sib npaug peb -theem load ua haujlwm
Txhim kho qhov ntsuas qhov tseeb ntawm lub zog load. Ua ntej lub sijhawm ua haujlwm siab tshaj plaws, siv lub clamp ammeter los ntsuas qhov hnyav ntawm txhua lub tshuab hloov pauv, kho lub nra kom haum, thiab zam qhov tsis sib npaug peb - theem ua haujlwm ntawm lub tshuab hloov pauv. Rau qhuav hom kauj ruam down transformer siv nyob rau hauv cov chaw uas complex loads yuav tsum tau nqa tawm, thiab load adjustment ntsuas yuav tsum tau coj nyob rau hauv lub sij hawm yog hais tias peb lub -theem load tam sim no yog tiag tiag unbalanced los tiv thaiv rwb thaiv tsev laus los ntawm ib nrab overload.
3. Txuj kev ua haujlwm thiab kev saib xyuas cov kais hloov pauv
Feem ntau, nws tsis raug tso cai los kho tus kais hloov pauv thaum qhov qis -voltage sab voltage ntawm 10kV transformer nyob rau hauv thaj tsam ntawm 7% ~ - 10%. Thaum kho tus kais hloov pauv, nws yuav tsum tau sim thiab kho los ntawm kev saib xyuas thiab kuaj cov kws tshaj lij kom tsis txhob muaj kev sib cuag tsis zoo los ntawm kev hloov kho tsis raug. Rau 315kva qhuav hom transformer uas xav tau kev hloov kho qhov hluav taws xob ntau zaus, tus kais hloov pauv yuav tsum tau tshuaj xyuas tsis tu ncua kom ntseeg tau tias nws muaj kev sib cuag zoo thiab ua haujlwm ruaj khov.
4. Txhim khu kev tiv thaiv rwb thaiv tsev thiab tiv thaiv - xob laim ntsuas
Rau cov roj-immersed transformers, tsis tu ncua xyuas cov roj to, hloov cov roj hmab cov hlaws thiab gaskets nyob rau hauv lub sij hawm, thiab xyuas kom zoo rwb thaiv tsev kev ua tau zoo; rau qhuav- hom transformers xws li 315kva qhuav hom transformer, zam kev txhim kho lawv nyob rau hauv qhov chaw ntub dej, thiab siv cov dej noo- pov thawj ntsuas yog tias tsim nyog. Ua ntej tuaj txog ntawm lub caij cua daj cua dub txhua xyoo, tag nrho cov neeg ntes ntawm lub tshuab hluav taws xob xa tawm yuav tsum raug xa mus rau lub chaw saib xyuas thiab kuaj xyuas, thiab ntsia rau lub sijhawm tom qab dhau qhov kev xeem kom tsis txhob muaj kev puas tsuaj ntawm hluav taws xob.
5. Ua haujlwm zoo hauv kev ua ntej - kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua
Ua ntej lub transformer muab tso rau hauv lub lag luam, cov kev tshawb nrhiav hauv qab no yuav tsum ua kom zoo: ua ntej, hloov mus rau thiab tawm nrog kev thauj khoom peb zaug yam tsis muaj kev ua haujlwm tsis zoo; thib ob, sim nrog lub pob xeem peb zaug, uas yuav tsum ua kom raug; thib peb, sim nrog kev sim av pem teb peb zaug, uas yuav tsum ua kom raug. Nyob rau tib lub sijhawm, tsis tu ncua ntxuav cov av ntawm qhov chaw ntawm lub transformer bushing, xyuas seb puas muaj cov cim flashover ntawm lub bushing, seb lub hauv av puas zoo, thiab seb cov hlau lead uas siv rau hauv av puas tau tawg strands, desoldering los yog tawg; siv lub megohmmeter los xyuas kom meej tias cov av tiv thaiv yuav tsum tsis txhob siab dua 4Ω. Rau 315kva qhuav hom transformer thiab qhuav hom kauj ruam down transformer, kev saib xyuas tsis tu ncua yuav tsum muaj xws li ntxuav lub coil nto thiab xyuas cov cua txias kom ruaj khov.
6. Tiv thaiv txiv neej- ua kev puas tsuaj
Tsis txhob siv aluminium- tooj liab xaim ncaj qha kev sib txuas ntawm cov khoom siv hluav taws xob- tawm kawg kom tiv thaiv electrochemical corrosion; ntxiv dag zog rau kev tswj hwm ntawm kev ua haujlwm ntawm transformer, txwv tsis pub ua haujlwm tsis raug cai thiab disassembly, thiab tsis tu ncua xyuas lub transformer sab nraud ib puag ncig kom tsis txhob muaj kev puas tsuaj los ntawm sab nraud quab yuam. JINShanMEN TECHNOLOGY CO., LTD ceeb toom rau cov neeg siv tias kev ua haujlwm tau zoo thiab kev saib xyuas tsis tu ncua yog tus yuam sij rau txo tus txiv neej- ua kev puas tsuaj rau transformers.
III. Xaus
Kev ua haujlwm ib txwm muaj ntawm transformers, suav nrog 315kva qhuav hom transformer thiab qhuav hom kauj ruam down transformer, yog ze rau kev tswj hwm tus qauv, kev ua haujlwm kom raug thiab kev saib xyuas tsis tu ncua. Feem ntau qhov kev sib tsoo ntawm lub tshuab hluav taws xob tsis tuaj yeem zam tau ntev npaum li peb txheeb xyuas qhov muaj feem cuam tshuam rau lub sijhawm, siv cov phiaj xwm kev tiv thaiv, thiab ua raws li kev ua haujlwm thiab kev saib xyuas nruj me ntsis.
JINSHANMEN TECHNOLOGY CO., LTDtau cog lus tias yuav muab siab - cov khoom siv hluav taws xob sib kis tau zoo thiab cov khoom xa tawm thiab kev txhawb nqa kev tshaj lij. Yog tias koj muaj lus nug txog kev xaiv, siv thiab tu ntawm 315kva qhuav hom transformer, qhuav hom kauj ruam down transformer thiab lwm yam transformers, peb yuav muab koj cov kev daws teeb meem los pab koj kom muaj kev nyab xeeb thiab ruaj khov ntawm cov khoom siv fais fab.