Offshore cua fais fab tau ntev tau suav tias yog ib qho kev cog lus nyob rau hauv lub zog tauj dua tshiab, tab sis O&M ib puag ncig ntawm ntug dej hiav txwv platforms tsis muaj dab tsi luv luv ntawm "khob ntsev" rau cov khoom siv hluav taws xob. Siab -concentration hiav txwv ntsev aerosols, alternating day-thiab- hmo ntuj cycles ntawm qhuav thiab ntub dej, khaus UV hluav taws xob, thiab muaj zog hiav txwv cua-combined nrog ib tug siab- av noo, condensation- ib puag ncig nyob rau hauv ib puag ncig-cov khoom siv hluav taws xob txuas ntxiv, cov khoom siv hluav taws xob txuas ntxiv, cov khoom siv hluav taws xob txuas ntxiv. thiab hlau fasteners. Ib qho yooj yim onshore switchgear feem ntau tsim teeb meem loj-xws li xeb, taug qab, kev sib cuag tsis zoo, thiab kev sib tsoo tshuab- hauv ob peb lub hlis ntawm kev ua haujlwm. Tsis pub dhau ISO 12944 kev tiv thaiv corrosion, C5-M ntsuas- tau tsim los rau cov xwm txheej hauv hiav txwv hnyav-ua haujlwm raws li qhov pib nkag rau cov khoom siv hluav taws xob sab nraud, nrog rau 1,000-teev ntsev tsuag tshuaj tiv thaiv kab mob tau lees paub thoob plaws hauv kev lag luam raws li kev nyuaj siab. Seb nws yog mainstream12 kV hloov, ntau yam heevhuab cua-insulated switchgear (AIS), los yog lwm yamhom switchgear, dhau qhov nruj C5-M corrosion tiv thaiv validation yog ib qho tseem ceeb los tsim ib tug foothold nyob rau hauv lub offshore cua fais fab kev lag luam.
Ntau lub tuam txhab engineering tau ua yuam kev ntseeg tias "offshore switchgear=tuab xim txheej," tab sis qhov tseeb, corrosion tsis ua hauj lwm tsis tshua muaj tshwm sim los ntawm cov xim pleev xim; es, nws stems los ntawm structural sealing defects, shortcomings nyob rau hauv rwb thaiv tsev thiab corrosion tiv thaiv, thiab zais corrosion tshwm sim los ntawm kev saib xyuas nyob rau hauv kev tsim cov ntsiab lus. Kos rau ntawm qhov tiag-kev ua haujlwm hauv ntiaj teb ntawm cov huab cua sab nraud, kab lus no tau nthuav tawm cov txheej txheem kev ua tiav tom qab switchgear dhau 1,000-teev C5-M tshuaj tsuag ntsev, tshuaj xyuas qhov sib txawv ntawm kev hloov pauv ntawm ntug dej hiav txwv ntawm ntau hom switchgear, thiab tseem ceeb tshwj xeeb corrosion-resistant hloov kho cov kev daws teeb meem rau 12 (v.gulearg). ib qho kev siv rau kev xaiv thiab kev ua haujlwm thiab kev saib xyuas ntawm cov khoom siv hluav taws xob offshore.
1. Vim li cas Offshore Cua Fais Fab yog "Salt Spray Hell" rau Switchgear? Nkag siab qhov hnyav ntawm C5-M Test
Cov chav faib khoom nyob rau sab ntug dej muaj qhov chaw ruaj khov thiab tsis tshua muaj kev pheej hmoo corrosion, yog li cov txheej txheem kev tiv thaiv ib puag ncig yog txaus kom ua tau raws li kev ua haujlwm ntev -. Nyob rau hauv sib piv, offshore platforms yog ib txwm C5-M marine ib puag ncig tus yam ntxwv los ntawm hnyav corrosion. Ntsev pos particle yog heev nkag mus; lawv tuaj yeem nkag mus rau hauv cov khoom siv sab hauv los ntawm cov txee qhov khoob, qhov qhov cua, thiab cov ntsaws ruaj ruaj tsis muaj zog, ua rau electrochemical corrosion. Qhov no maj mam corrodes steel daim hlau, oxidizes tooj liab busbars, thiab cov hnub nyoog rwb thaiv tsev cov ntaub ntawv, thaum kawg ua rau loj hluav taws xob xwm txheej xws li luv luv Circuit Court, arcing, thiab Circuit Court breaker mus ncig ua si.
Cov qauv kev lag luam tau teev tseg tias C5-M- cov cuab yeej ntsuas ntsuas yuav tsum dhau 1,000-teev cov ntsev tsuag tshuaj tsuag thiab damp lub voj voog ntsuas kub. Qhov kev sim no simulates qhov kev hloov pauv ntawm cov dej qab ntsev, cov av noo siab, thiab qhov kub thiab txias tau ntsib hauv hiav txwv, xav kom cov khoom siv tsis muaj xim blistering, tsis muaj kev cuam tshuam ntawm substrate, tsis muaj rwb thaiv tsev degradation, thiab tsis muaj deterioration ntawm cov qauv kev ua tau zoo. Qhov no yog tus qauv tseem ceeb ntawm qhov sib txawv dav dav- lub hom phiaj ntawm cov khoom siv sab nrauv los ntawm cov cuab yeej tshwj xeeb hauv ntug dej hiav txwv. Ordinary corrosion-resistant switchgear feem ntau dhau cov tshuaj ntsev ntsev tsis pub dhau 480 teev, ua rau nws tsis tsim nyog rau kev pab cuam mus sij hawm ntev.
Ntau hom switchgear nthuav tawm cov kev hloov pauv tseem ceeb hauv lawv txoj kev ua siab ntev rau ntsev pos huab ib puag ncig. Qhib - homhuab cua-insulated switchgearais, nrog rau nws cov qhov cua thiab cua kub dissipation qauv, nthuav tawm ntau txoj hauv kev rau ntsev pos huab nkag, ua rau nws nyuaj tshaj plaws los tiv thaiv corrosion. Raws li tus txha caj qaum ntawm offshore fais fab tuag, 12 kV switchgear nqa cov tub ntxhais load; txhua qhov corrosion- cuam tshuam tsis ua haujlwm yuav cuam tshuam ncaj qha rau lub zog hluav taws xob ruaj khov ntawm tag nrho cov cua turbine lossis cua ua liaj ua teb, yuav tsum muaj kev tiv thaiv corrosion ntau heev.
2. Corrosion Protection Shortcomings ntawm ntau hom Switchgear nyob rau hauv Offshore Environments: Vim li cas feem ntau cov chav ua tsis tau C5-M Test?
Txawm hais tias muaj coob tus ntawm cov dav dav - lub hom phiaj switchgear units ua haujlwm ruaj khov thiab ntseeg tau nyob rau hauv cov dej hiav txwv, lawv ua tsis tu ncua C5-M 1,000-teev ntsev tsuag tshuaj ntsuam. Cov teeb meem tseem ceeb nyob rau ntawm peb qhov tsis txaus: kev tsim qauv, xaiv cov khoom siv, thiab cov txheej txheem tiv thaiv corrosion, nrog sib txawvhom switchgearnthuav qhia qhov tsis xws luag.
Huab cua-insulated switchgear (AIS), uas tso siab rau huab cua rwb thaiv tsev thiab lub qhov cua zoo rau cov cua sov dissipation, nta ntau qhov qhib hauv lub qhov rooj thiab tsis zoo airtightness, ua rau nws tsis tshua muaj kev cuam tshuam rau cov ntsev pos huab intrusion. Thaum lub sij hawm 1,000- teev ntsev tshuaj tsuag lub voj voog kuaj, cov khoom siv AIS tus qauv yog qhov ua rau muaj teeb meem xws li kev sib cuag oxidation, bracket corrosion, thiab ntsev deposition ntawm rwb thaiv tsev qhov chaw ua rau creepage. Nws yog pawg nyuaj tshaj plaws ntawm switchgear rau retrofit rau kev tiv thaiv corrosion; kev sib ntsib C5-M cov qauv yuav tsum tau hloov kho cov qauv kev sib khi thiab kev tsim cov tshuaj tsw qab sab hauv.
Pa 12 kV onshore switchgear feem ntau siv cov txheej txheem xim tiav thiab cov sealing zoo tib yam, ua rau tsis txaus rau ntsev pos huab thiab cua sov. Nyob rau hauv lub sij hawm ntev - kuaj ntsev pos huab, cov kab xeb tau yooj yim tsim ntawm cov ces kaum, vuam seams, thiab lub qhov ntsia hlau. Kev nqus ntsev thiab nqus dej noo hauv cov khoom siv insulating tuaj yeem ua rau ib nrab tawm thiab txo cov rwb thaiv tsev, ua tsis tau raws li qhov xav tau ntawm ntug hiav txwv cua zog ntawm 15 xyoo kev pabcuam yam tsis muaj kev kho loj. Yog li ntawd, kev hloov kho kom zoo rau kev tiv thaiv -corrosion system yog qhov tseem ceeb.
3. Cov Txheej Txheem Txheej Txheem: Ua tiav cov txheej txheem tsim khoom rau Switchgear uas dhau 1,000-teev C5-M ntsev tshuaj tsuag
Offshore- tshwj xeeb switchgear uas ua tiav dhau ntawm 1,000- teev C5-M hnyav-ua haujlwm corrosion tsis tsuas yog cia siab rau cov xim pleev xim tuab, tab sis theej ntawm cov txheej txheem kev sib txuas ua ke "cov khoom hloov kho dua tshiab, cov txheej txheem sealing, txheej txheej tiv thaiv corrosion, thiab kev tiv thaiv rwb thaiv tsev," uas ua tau raws li txhua hom kev tiv thaiv corrosion ntawm ntug dej.
1. Kev tiv thaiv kev tiv thaiv kev txhim kho zoo rau cov khoom siv hauv paus thiab fasteners
Cov qauv tseem ceeb ntawm lub txee ua haujlwm kub -dip galvanized steel daim hlau nrog passivation kev kho mob kom tshem tawm qhov kev pheej hmoo ntawm kev xeb hauv cov khoom siv hauv paus. Tag nrho cov fasteners -xws li bolts, txiv ntseej, thiab hinges- yog ua los ntawm stainless hlau los yog kho nrog Dacromet los tiv thaiv- txheej txheem corrosion, kom daws tau cov teeb meem electrochemical corrosion hauv cov khoom me me. Qhov no thaiv cov ntsev tsuag tshuaj tiv thaiv kab mob ntawm qhov chaw thiab ua tau raws li kev tiv thaiv corrosion rau12 kV hloovthaum lub sij hawm ntev - lub sij hawm, hnyav - thauj khoom.
2. Triple-Txheej Hnyav-Lub luag haujlwm Corrosion-Resistant Txheej System
Tsiv dhau cov pa ib zaug ib zaug - txheej xim pleev xim rau, peb siv peb txheej txheej txheej txheej txheej txheej txheej txheej txheej uas muaj cov txheej txheem sealing, txheej txheej thickening nruab nrab, thiab huab cua- tiv taus topcoat. Tag nrho cov zaj duab xis qhuav yog nruj me ntsis tswj ntawm 320 μm lossis siab dua, ua tau raws li C5-M marine hnyav-cov dej num tiv thaiv corrosion. Cov primer seals micro- pores nyob rau hauv substrate thiab blocks noo noo nkag mus; lub tsho nruab nrab thickens lub corrosion{10}} txheej tiv thaiv thiab txhim khu kev cuam tshuam; lub topcoat siv cov ntsev tshwj xeeb- huab cua- thiab UV- cov txheej tiv thaiv kom tiv taus cov roj av UV hluav taws xob thiab ntsev-pos huab yaig, kom tsis txhob muaj qhov tev, flaking, lossis xeb tom qab 1,000 teev ntawm kev sim.
3. Optimized Structural Sealing los thaiv cov ntsev Fog ntxeem tau txoj hauv kev
Txhawm rau hais txog qhov tsis txaus ntawm cov qauv qhib ntawm huab cua-insulated switchgear (AIS), qhov cua thiab cua kub dissipation qauv tau ua kom zoo dua los ntawm kev txhim kho ntsev pos huab thiab plua plav lim nrog rau labyrinth -style qhov cua channel, ua tiav "qhov cua tsis muaj ntsev pos ingress thiab tshav kub dissipation" yam tsis muaj ntsev ntxiv; Txee qhov rooj qhov khoob, cov chaw nres nkoj ua haujlwm, thiab cov ntsiab lus nkag cable raug kaw nrog cov laus- tiv taus EPDM roj hmab gaskets, thiab tag nrho cov txee tau dhau los ua cov txheej txheem sib khi, txo cov ntsev pos huab nkag thiab hais txog cov kev sib tw tiv thaiv corrosion muaj nyob rau hauv qhib- cov khoom siv.
4. Kev tiv thaiv tshwj xeeb rau rwb thaiv tsev thiab cov khoom siv hluav taws xob
Cov khoom siv rwb thaiv tsev yog ua los ntawm ntsev- huab cua- tiv taus hloov kho epoxy resin thiab kho nrog hydrophobic, tiv thaiv - ntsev txheej los tiv thaiv cov ntsev thiab cov dej noo- ua rau muaj kev nkag siab thiab tawm. Copper busbars thiab contacts feature thickened silver plating los txhim khu kev tiv thaiv oxidation thiab corrosion, kom ruaj khov kev tiv thaiv thiab tsis muaj degradation nyob rau hauv hluav taws xob kev ua tau zoo tom qab ib tug 1,000- teev ntsev-ntug xeem, yog li lav qhov ruaj khov core fais fab faib kev ua tau zoo ntawm 12 kV switchgear.
5. Active Dehumidification thiab condensation tiv thaiv nyob rau hauv lub txee Microenvironment
Nruab nrog lub tshuab dehumidification ntse thiab micro- zoo- tsim kev tiv thaiv siab, lub kaw lus nquag tshem tawm cov huab cua noo los ntawm lub txee thiab inhibits kev tsim cov hws. Los ntawm kev hais txog microenvironment ntawm nws qhov chaw, nws tiv thaiv cov ntsev pos huab thiab corrosion, kom ntseeg tau tias txhua yamhom switchgeartswj kom huv si thiab qhuav ib puag ncig kev khiav hauj lwm nyob rau hauv lub sij hawm ntev, txawm nyob rau hauv siab -humidity thiab siab - salinity marine tej yam kev mob.
4. Kev Ntsuam Xyuas, Kev Pom Zoo, thiab Tus Nqi Tsim Nyog: C5-M Kev Tiv Thaiv Kev Tiv Thaiv Tsis yog Kev Lag Luam Kev Lag Luam-Nws yog lub hauv paus rau Kev Nyab Xeeb Offshore
Tom qab 1,000 xuab moos ntawm cov tshuaj ntsev tsis tu ncua, ntub dej kub, thiab UV cyclic aging tests, switchgear nruab nrog cov khoom hnyav -cov dej tiv thaiv corrosion pom tias tsis muaj xeb ntawm lub txee lub cev, cov xim tsis zoo, cov txheej txheem rwb thaiv tsev ua tau zoo, kev ua haujlwm zoo, thiab tsis muaj kev cuam tshuam hauv hluav taws xob tsis zoo, ua raws li ISO 45 C12{9} hnyav-cov dej num tiv thaiv corrosion. Piv nrog rau cov cuab yeej txheem, nws lub neej tsis muaj teeb meem kev pabcuam hauv hiav txwv tuaj yeem txuas ntxiv mus rau ntau dua 15 xyoos, txo qis cua ua liaj ua teb downtime tu nqi thiab cov khoom siv hloov pauv.
Rau cov haujlwm sab nrauv cua fais fab, huab cua -insulated switchgear (AIS) uas dhau C5-M kuaj xyuas kom muaj kev ruaj ntseg mus sij hawm ntev ntawm cov khoom siv hluav taws xob faib hluav taws xob; tub ntxhais12 kV hloovuas ua tau raws li hnyav-cov qauv kev tiv thaiv corrosion tiv thaiv kev nyab xeeb ntawm cua ua liaj ua teb lub zog faib hluav taws xob loj; Corrosion tiv thaiv kev hloov kho dua tshiab thoob plaws ntau yam ntawm hom hloov pauv tsim kom muaj kev tiv thaiv corrosion thiab kev nyab xeeb rau cov tshuab hluav taws xob offshore.
Xaus
Ntsev pos corrosion nyob rau hauv ntug dej hiav txwv cua zog sawv cev rau qhov kawg ntawm kev xeem ntawm cov khoom faib cov txheej txheem tsim thiab zoo. Lub 1,000-teev C5-M ntsev pos xeem tsis yog ib qho kev cai lij choj kev lag luam uas yuav tsum tau ua, tab sis cov ntaub ntawv pov thawj tias switchgear yog haum rau huab cua marine kev khiav hauj lwm tej yam kev mob. Los ntawm kev txhim kho corrosion tiv thaiv rau 12 kV switchgear rau optimized structural sealing rau huab cua -insulated switchgear (AIS), thiab mus rau tus txheej txheem upgrade ntawm hnyav-duty corrosion tiv thaiv systems thoob plaws txhua yam ntawm switchgear, tsuas systematic thiab ceev faj tiv thaiv corrosion tsim tau dawb switchgear los ntawm corrosive tuav ntawm "ntse pos huab cua, nyab xeeb thiab nyab xeeb" rau lub sij hawm ntev. fais fab tej yaam num.
Hais txog peb
Zhejiang Lvma Electric Co., Ltd. (2018) tsim rau 17 xyoo ntawm kev txawj ntse hauv cov khoom siv hluav taws xob. Tau ntawv pov thawj rau ISO 9001: 2015, peb tsim cov khoom siv ntse ntse nrog rau siab - roj ua haujlwm -immersed thiab qhuav- hom faib transformers. Peb lub khw muag khoom muaj xws li Europe, Middle East, South America, Southeast Asia, thiab Africa.
Peb pab pawg R & D tuav ntau tshaj 40 patents, ua rau peb hloov pauv los ntawm cov neeg tsim khoom siv los ua tus tsim kho tshiab hauv cov tshuab hluav taws xob ntse, ruaj khov. Nrog cov kab ntau lawm digital thiab kev soj ntsuam tas li, peb muab kev nyab xeeb, kev cia siab, thiab xa mus rau- saib cov kev daws teeb meem hluav taws xob.