Nyob rau hauv lub tshav pob ntawm cov xov hlau thiab cables, XHHW hlau (Cross Linked High Heat Water Resistance) thiab XHHW-2 hlau yog ob qho tib si American standard xov hlau. Txawm hais tias lawv muaj cov npe zoo sib xws, lawv cov yam ntxwv ua haujlwm thiab cov xwm txheej siv tau txawv. Kev nkag siab txog qhov sib txawv ntawm ob hom ntawm cov xov hlau no tuaj yeem pab cov engineers thiab cov neeg ua haujlwm yuav khoom xaiv cov khoom tsim nyog kom ntseeg tau tias kev ua haujlwm zoo thiab nyab xeeb ntawm lub zog.
1. Txhais thiab cov yam ntxwv tseem ceeb ntawmXHHW kabthiabXHHW-2 xov
1.1 Definition of XHHW Wire
XHHW hlau yog ib qho thermosetting insulated hlau uas tau teev tseg hauv National Hluav Taws Xob Code (NEC) ntawm Tebchaws Meskas, uas muaj cov yam ntxwv ntawm qhov kub thiab txias tsis kam, tiv taus noo noo, thiab hnav tsis kam. Cov hauv qab no yog nws cov yam ntxwv tseem ceeb:
Cov khoom siv rwb thaiv tsev: cross-linked polyethylene (XLPE) yog siv los ua kom nws muaj kev kub ntxhov siab thiab lub zog txhua yam.
Kev ntsuas kub: Xhw cable tuaj yeem tiv taus txog li 90 ° C hauv qhov chaw qhuav thiab txwv rau 75 ° C hauv qhov chaw ntub dej.
Rated voltage: 600V, feem ntau siv nyob rau hauv nruab nrab thiab tsawg voltage fais fab systems.
1.2 Definition of XHHW-2 xov
XHHW-2 hlau yog qhov hloov kho dua tshiab ntawm XHHW hlau, uas ua tau zoo dua ntawm qhov kub thiab txias. Nws cov yam ntxwv tseem ceeb muaj xws li:
Cov khoom siv rwb thaiv tsev: XHHW 2 hlau tseem siv cross-linked polyethylene, tab sis tau txhim kho kom muaj cua sov thiab noo noo ntau dua.
Kev ntsuas kub: Nws tuaj yeem tiv taus qhov kub txog li 90 ° C hauv qhov chaw qhuav thiab ntub dej.
Rated voltage: Txhawb 600V thiab 1000V tshuab, nrog rau ntau yam kev siv.
2. Lub ntsiab sib txawv ntawm XHHW hlau thiabXHHW 2 kab
2.1 Chav Kawm Kub
XHHW cable: haum rau siv nyob rau hauv qhov chaw qhuav ntawm 90 ° C thiab av noo ntawm 75 ° C.
XHHW 2 cable: Nws tuaj yeem tiv taus 90 degree C nyob rau hauv ob qho tib si qhuav thiab ntub ib puag ncig, muaj zog adaptability, tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam uas muaj high humidity los yog tej zaum dej tsub zuj zuj.
2.2 Kev Txhim Kho Kev Ua Haujlwm
Raws li kev txhim kho cov txheej txheem rwb thaiv tsev, XHHW 2 cable tau ntxiv cov dej pov thawj zoo dua, ua rau nws muaj lub neej ntev dua nyob rau hauv qhov chaw huab cua xws li cov kav dej hauv av thiab cov tais cable. Nyob rau hauv sib piv, cov ya raws kuj ntawm XHHW cable yog me ntsis inferior.
2.3 Standard specifications
Ob hom xov hlau ua tau raws li UL 44 cov qauv, tab sis kev hloov kho ntawm XHHW 2 cable kuj ua tau raws li qee qhov kev cai thoob ntiaj teb thiab tsim nyog rau cov chaw tsim khoom nruj dua.
2.4 Rated voltage
XHHW hlau: feem ntau haum rau 600V tshuab.
XHHW-2 xaim: Txhawb 600V thiab 1000V tshuab, muaj peev xwm ua tau raws li qhov yuav tsum tau muaj zog dua, xws li XHHW-2 1000V thiab XHHW 2 600V.
2.5 Application Scenarios
XHHW hlau: Tsim nyog rau lub tsev dav dav thiab cov khoom siv hluav taws xob, feem ntau yog siv nyob rau hauv cov xwm txheej uas yuav tsum tau muaj cov qauv dej tsis zoo thiab kev ua haujlwm kub.
XHHW-2 xaim: Ntau qhov tsim nyog rau kev xaim hauv av, cov av noo ib puag ncig, thiab cov xwm txheej uas yuav tsum tau ua siab ntev rau cov xwm txheej hnyav, xws li cov nroj tsuag muaj thiab cov kav dej hauv av.
3. Kev qhia tshwj xeeb thiab kev siv ntawmXHHW kabthiab XHHW-2 xov
3.1 Cov xov hlau me me
12 XHHW Cable: feem ntau yog siv rau cov khoom siv hluav taws xob tsawg thiab cov teeb pom kev zoo, tsim nyog rau cov xaim hluav taws xob hauv tsev.
10 XHHW Copper Wire: feem ntau yog siv rau kev sib txuas cov khoom siv hluav taws xob me me lossis cov khoom siv hluav taws xob, muab cov khoom siv hluav taws xob siab thiab hloov tau yooj yim.
3.2 Medium specification xov hlau
8 XHHW Hlau: Tsim nyog rau nruab nrab lub zog xa hluav taws xob, xws li cov khoom siv hluav taws xob tseem ceeb rau cov cua txias, lub rhaub dej, thiab lwm yam khoom siv.
6 XHHW tooj liab hlau thiab 6 XHHW Cable: dav siv nyob rau hauv kev lag luam ib puag ncig rau lub ntsiab fais fab kab, nrog zoo heev conductivity thiab durability.
3.3 Cov kab tshwj xeeb loj
4 XHHW Copper cable: ib txoj kab hluav taws xob tseem ceeb tsim nyog rau cov khoom siv hluav taws xob nruab nrab mus rau siab, uas muaj ntau heev hauv kev lag luam thiab kev lag luam ib puag ncig.
2 XHHW Copper Wire: Tsim nyog rau cov kev xav tau siab tam sim no qaum qaum, nws yog qhov kev xaiv zoo tshaj plaws rau cov chaw tsim khoom me me.
3.4 Ntxiv loj specification xov hlau
3/0 XHHW tooj liab hlau thiab 4/0 XHHW 2 Hlau: feem ntau yog siv los ua cov khoom siv hluav taws xob tseem ceeb hauv cov tsev lag luam thiab cov lag luam loj, txhawb kev sib kis tam sim no thiab txo qis hluav taws xob.
500 MCM XHHW Cable thiab 600MCM XHHW Hlau: Cov cables tseem ceeb rau cov chaw lag luam loj, tshwj xeeb tshaj yog ua tau zoo hauv kev xa hluav taws xob mus ntev.
4. Kev siv ntawm XHHW cable thiabXHHW-2 kab
4.1 Kev Siv Hluav Taws Xob Hluav Taws Xob
XHHW cable thiab XHHW-2 cable tau dav siv hauv cov tshuab hluav taws xob ntawm cov tsev lag luam, xws li cov khoom siv hluav taws xob loj, cov teeb pom kev zoo, thiab cov khoom siv sib txuas. 12 XHHW Cable thiab 10 XHHW Copper Wire yog ib qho kev xaiv.
4.2 Cov Khoom Siv Muaj
Kev lag luam ib puag ncig feem ntau xav tau lub zog xa hluav taws xob ntau dua. Qhov zoo tshaj plaws kub tsis kam thiab noo noo tsis kam ntawm XHHW{{0}} xaim ua rau nws nyiam xaiv. Piv txwv li, 4/0 XHHW 2 Hlau thiab 500 MCM XHHW Cable yog qhov zoo tshaj plaws kev sib txuas kab ntawm kev lag luam substations thiab khoom siv.
4.3 Underground pipelines thiab cable tais
Lub 90 degree C ya raws tsis kam ntawm XHHW-2 cable yog qhov tseem ceeb tshwj xeeb hauv kev xaim hauv av thiab cov tais cable. Cov qauv loj xws li 3/0 XHHW Copper thiab 4/0 XHHW 2 Hlau muab kev ua haujlwm zoo heev.
4.4 High humidity ib puag ncig
Rau qhov chaw ntub lossis nag, XHHW-2 cable yog qhov tsim nyog rau kev xaim sab nraum zoov, lub hnub ci, thiab cov av noo nyob hauv tsev.
5. Cov lus qhia rau kev xaiv ntawmXHHW kabthiab XHHW-2 xov
Thaum xaiv cov xov hlau, cov hauv qab no yuav tsum tau txiav txim siab raws li cov kev cai tshwj xeeb engineering:
Ib puag ncig tej yam kev mob: XHHW-2 hlau yog nyiam rau high humidity los yog underground ib puag ncig.
Qhov yuav tsum tau muaj qhov kub thiab txias: Yog tias qhov ntsuas kub ua haujlwm yuav siab tshaj 75 ° C, nws raug nquahu kom siv XHHW-2 xaim.
Kev txiav txim siab txog nyiaj txiag: XHHW cable feem ntau yog tus nqi qis dua thiab tsim nyog rau cov haujlwm uas muaj peev nyiaj tsawg.
Voltage yuav tsum tau: Rau 1000V system, XHHW 2 cable yog tib txoj kev xaiv.
XHHW hlau thiab XHHW-2 hlau, raws li cov neeg sawv cev ntawm American standard thermosetting insulated xov hlau, yog dav siv nyob rau hauv kev tsim kho, industrial, thiab infrastructure tej yaam num vim lawv ua tau zoo heev. Hauv qhov sib piv, XHHW-2 cable muaj qhov kub thiab txias dua, ua rau nws tsim nyog rau qhov xav tau ntau dua engineering ib puag ncig. Kab lus no qhia meej txog qhov sib txawv tseem ceeb ntawm XHHW cable thiab XHHW-2 cable, muab cov ntaub ntawv siv rau cov neeg ua haujlwm engineering thiab cov neeg txiav txim siab yuav khoom. Txawm hais tias nws yog cov tsev lag luam, cov chaw tsim khoom, lossis cov xaim hauv av, xaiv cov xov hlau tsim nyog tuaj yeem txhim kho kev nyab xeeb thiab kev ntseeg siab ntawm lub zog.
Peb lub tuam txhab GERITEL WIRE tau tshwj xeeb hauv kev tsim cov xov hlau rau 30 xyoo, thiab cov xov hlau tau dhau UL daim ntawv pov thawj. Peb zoo siab tos txais cov neeg siv khoom los kawm txog peb cov khoom
