Taw qhia
YJLV cable yog ib qho ntawm cov khoom siv hluav taws xob zoo tshaj plaws rau cov khoom siv hluav taws xob thoob ntiaj teb. Ntau tus neeg ua haujlwm txawv teb chaws, cov kws tshaj lij hluav taws xob thiab cov neeg yuav khoom tau rov tshawb nrhiav YJLV cable online kom paub meej cov khoom muaj pes tsawg leeg, kev txwv kev ua haujlwm thiab cov xwm txheej siv tau. Hauv cov ntsiab lus yooj yim, YJLV sawv cev rau txhuas tus neeg xyuas pib hla- txuas polyethylene insulated PVC sheathed fais fab cable, tus nqi- tsom mus rau lub ntsiab tooj liab YJV cable, txheem los ntawm GB thiab IEC ntiaj teb cov lej hluav taws xob.
Cov neeg yuav khoom txawv teb chaws tshiab feem ntau sib xyaw YJLV thiab YJV. Qhov sib txawv nkaus xwb yog cov khoom siv hluav taws xob: YJLV siv cov hlua khi hlua khi uas cim los ntawm tsab ntawv "L", thaum YJV txais cov khoom siv / hlua khi. Tag nrho cov rwb thaiv tsev thiab cov khaubncaws sab nraud povtseg khaws cov khoom siv zoo ib yam, uas piav qhia tias vim li cas ob lub cables feem ntau piv rau Google cov npe tshawb nrhiav.
1. Lub Npe Tag Nrho & Txheej -los ntawm - Txheej Txheej Txheej Txheej
Ua txhaum cai YJLV naming txoj cai kom yooj yim memorization (siab-frequency search keyword: YJLV cable meaning):
YJ: Hla- txuas polyethylene (XLPE) rwb thaiv tsev, tiv thaiv- laus, tsis muaj zog poob, ruaj khov nyob rau hauv qhov kub thiab txias
L: Aluminium tus neeg xyuas pib, qhov tseem ceeb ntawm qhov sib txawv
V: PVC txheej sheath, waterproof, anti{0}}corrosion, yooj yim mechanical abrasion kuj
Standard Internal qauv ntawm sab hauv tawm:
Stranded aluminium conductor (oxygen-dawb txhuas rau kev ruaj khov)
Tus neeg xyuas pib shielding txheej (rau nruab nrab voltage YJLV, txo cov paug ib nrab)
XLPE insulating txheej (core tiv thaiv- txheej txheej)
Filler + binding daim kab xev (kwv kab puag ncig, txhim kho kev ua haujlwm dabtsi yog khoov)
PVC txheej tiv thaiv sheath
Optional upgrade: YJLV22 nrog steel daim kab xev armor, ntxiv anti- tsoo lub peev xwm rau ncaj qha underground faus qhov twg hnyav hnyav.
Standard Universal Temperature Parameters
Txhua yam tsis ua raws li cov qauv kev lag luam thoob ntiaj teb, dav dav los ntawm cov kws tshaj lij hluav taws xob thoob ntiaj teb:
Ntev -lub sij hawm tsis tu ncua tso cai ua haujlwm kub: Max 90 degree
luv-Circuit peak kub: Tsis siab tshaj 250 degree, lub sij hawm ntev tshaj 5 vib nas this
Yam tsawg kawg tso ambient kub: Tsis qis dua 0 degree; zam kev tsim kho hauv huab cua khov yam tsis muaj kev kho cua sov
Rated mainstream voltage qib: Tsawg voltage 0.6/1kV; nruab nrab voltage 3.6kV ~ 35kV rau hauv nroog daim phiaj kab
2. Core Advantages & Defects ntawm YJLV Cable
Feem ntau cov neeg yuav khoom txawv teb chaws nrhiav YJLV qhov zoo los txiav txim tus nqi ua haujlwm rau cov haujlwm loj. Peb txheeb cov tswv yim zoo thiab qhov tsis zoo raws li cov tswv yim tsim kho tiag tiag, tsis muaj cov ntaub ntawv exaggerated:
Lub zog tseem ceeb
Tus nqi qis dua tag nrho cov khoom sivAluminium raw khoom nqi yog pheej yig dua tooj liab. Rau cov ntoo khaub lig loj -section cables (95mm², 150mm², 240mm² thiab siab dua), tag nrho cov nqi yuav khoom tuaj yeem poob 35% ~ 55% piv nrog tib yam - loj YJV tooj liab cable, zoo meej rau bulk infrastructure sib tw nrog nruj pob nyiaj siv.
Lub teeb nyhav yooj yim rau kev thauj mus los & xaimAluminium density tsuas yog 1/3 ntawm tooj liab. Ntev -qhov deb ntawm lub taub hau erection, siab- sawv ntsug txuas xav tau cov cuab yeej hoisting tsawg dua; pab pawg tsim kho txiav cov nqi ua haujlwm thiab cov nqi xauj tsev ntau heev. Ntau txoj kev tsim kho thiab tej thaj chaw deb fais fab tej yaam num tseem ceeb YJLV vim yooj yim thauj.
Zoo tiv thaiv-corrosion kev ua haujlwm sab nraum zoovAluminium nto ua ib zaj duab xis oxidation nyias ib txwm ua kom qeeb corrosion. Nws ua haujlwm tsis tu ncua hauv thaj chaw ntug dej hiav txwv ntub dej, thaj chaw muaj tshuaj lom neeg hauv nroog, qhib- huab cua hla kab uas muaj dej noo thiab tshuaj lom neeg me. PVC txheej sheath ntxiv boosts waterproof peev xwm rau faus yeeb nkab tso.
Inherent Limitations
Tsawg conductivity tshaj tooj liab. Aluminium conductive efficiency yog kwv yees li 60% ntawm tooj liab. Yog tias koj siv tib lub ntsuas hluav taws xob zoo li tooj liab cable, nqa tam sim no yuav txo qis li 30%. Kev lag luam txheej txheem kev lag luam: xaiv YJLV nrog 1 ~ 2 qhov loj dua cross-section kom phim YJV load peev, xws li hloov 95mm² tooj liab nrog 150mm² txhuas YJLV.
Muaj kev pheej hmoo siab ntawm kev sib koom ua ke. Aluminium expands thiab shrinks hnyav dua nrog kub viav vias dua tooj liab. Yog hais tias lub davhlau ya nyob twg crimping tsis nruj txaus, cov pob qij txha oxidize yooj yim nyob rau lub sij hawm, ua rau overheating, tripping los yog hlawv terminals. Cov neeg siv hluav taws xob yuav tsum siv cov khoom siv txhuas tshwj xeeb thiab ua kom lub zog nruj nruj thaum lub sijhawm teeb tsa.
Kaw kev pab cuam lub neej nyob rau hauv siab - thauj khoom sab hauv tsev. Ntev -lub sij hawm hnyav tam sim no accelerates aluminium aging. Nws tsis pom zoo rau 24-teev cov chaw ua haujlwm puv-load lub Hoobkas, cov ntaub ntawv chaw muab hluav taws xob thiab cov kab hauv tsev loj tuaj nrog cov kev xav tau ntev.
3. Feem ntau Cov Ntawv Thov Kev Pabcuam
Qhov chaw tsim nyog
Kev xa tawm hluav taws xob sab nraud: Lub nroog nyob deb nroog cov phiaj xwm hluav taws xob, cov kab hluav taws xob sab nraud, kev ua liaj ua teb irrigation fais fab mov. Lub teeb yuag qis dua ntauwd load, txiav ntauwd siv tus nqi.
Ntev -nruab deb ntawm lub hauv av pob zeb faib: Lub nroog suburban faus cable ducts, tshiab muaj chaw ua si sab nraud hluav taws xob nkag, thaj chaw loj mining sab nraud fais fab. Loj -section YJLV tswj tag nrho cov kev siv nyiaj rau kilometer- theem txuas.
Lub zog siv hluav taws xob ib ntus: Lub tsev hluav taws xob ib ntus, lub zog hluav taws xob ib ntus, luv -lub sij hawm kev tsim hluav taws xob hluav taws xob. Tom qab ua tiav qhov project, cov khoom siv aluminium seem muaj cov nqi rov qab zoo.
Tej thaj chaw deb roob infrastructure: Cua ua liaj ua teb auxiliary kab, txoj kev loj xyuas lub hwj chim cables, cov cheeb tsam uas tsis yooj yim rau tsheb thauj khoom; lub teeb yuag heev txo kev thauj mus los nyuaj.
Kev siv tsis tsim nyog
Kev xaim hluav taws xob hauv tsev, siab- cov tsev lag luam kawg, cov chaw kho mob nrog lub zog ruaj khov
High-ntau zaus hnyav- cov khoom siv rhiav, precision machinery ntau lawm cov nroj tsuag
Cov chaw uas muaj qhov txwv tsis pub muaj qhov thaiv kab mob uas tsis tuaj yeem nthuav dav (txhuas xav tau thaj chaw loj dua rau qhov sib npaug tam sim no)
4. YJLV vs YJV Cable Cov ntsiab lus sib piv
| Yam khoom | YJLV Aluminium Cable | YJV tooj liab Cable |
|---|---|---|
| Tus coj | Aluminium | Tooj |
| Chav tsev Nqe | Tsawg, 40% ~ 60% ntawm YJV | Siab, tus nqi tooj liab siv feem loj |
| Qhov hnyav | Lub teeb, yooj yim thauj & rub | Hnyav, xav tau cov cuab yeej siv ntau dua |
| Sib npaug tam sim no yuav tsum muaj cheeb tsam | Xav tau 1 ~ 2 qhov ntau thiab tsawg | Khaws qhov qub ntoo khaub lig-section |
| Joint Stability | Xav tau kev tshaj lij aluminium terminals, nws yooj yim rau xoob oxidation | Kev sib txuas ruaj khov, muaj teeb meem txij nkawm tsawg dua |
| Kev Pabcuam Lub Neej | 15 ~ 25 xyoo nyob rau hauv ib txwm siv sab nraum zoov | 25 ~ 40 xyoo rau sab hauv tsev ruaj khov |
| Zoo tshaj plaws | Sab nraum zoov deb deb, pob nyiaj siv -limited tej yaam num | Sab hauv tsev ruaj ruaj, siab - muaj zog ruaj khov |
5. YJLV Kev Yuav Khoom & Txhim Kho Cov Lus Qhia Tseem Ceeb
Daim ntawv yuav khoom
Paub meej cov ntsiab lus kom meej meej nyob rau hauv kev txiav txim: Voltage qib, tub ntxhais tooj (1/2/3/4/5 tub ntxhais), hla-section cheeb tsam, armor hom (YJLV los yog armored YJLV22), ua raws li daim ntawv pov thawj (IEC, CE, GB). Piv txwv kev txiav txim: YJLV 0.6 / 1kV 3 × 185mm².
Hais kom oxygen-dawb aluminium conductor; recycled impure aluminium ua rau kub heev thiab tsis ruaj tsis khov xa hluav taws xob.
Rau kev faus hauv av ncaj qha nrog pob zeb lossis lub tsheb siab, xaiv cov armored YJLV22 kom tsis txhob sheath tawg.
Construction Do's and Don'ts
Khoov vojvoog tsis tuaj yeem tsawg dua 15 zaug cable sab nraud; ntse dabtsi yog khoov puas XLPE rwb thaiv tsev.
Txhua qhov txhuas terminals yuav tsum siv tshwj xeeb txhuas crimp connectors. Copper-Aluminium hloov cov pob qij txha yuav tsum ntxiv bimetallic washers kom tsis txhob electrochemical corrosion.
Tsis txhob nteg cables thaum ambient kub poob qis dua 0 degree. Yog tias lub caij ntuj no tsis tuaj yeem zam tau, preheat cables kom zoo.
Tom qab xaim, tsis tu ncua xyuas qhov ntsuas kub ntawm lub davhlau ya nyob twg txhua 6 lub hlis, tshwj xeeb tshaj yog rau cov ntsiab lus sib txuas sab nraum zoov.
6. Nquag Nug Google Tshawb Nrhiav FAQs
Q1: YJLV cable puas tuaj yeem faus ncaj qha hauv av?
A: Ordinary unarmored YJLV tsuas yog suits pw hauv PVC / HDPE kav. Rau kev faus ncaj qha rau hauv av nrog cov pob zeb thiab hauv av siab, xaiv cov hlau nplaum armored YJLV22 los tiv thaiv kev puas tsuaj.
Q2: Puas yog YJLV siv tau rau hnub ci AC fais fab kab?
A: Yog. Ntau lub teb chaws hnub ci hnub ci siv loj -section YJLV rau sab nraum zoov AC lub cev kis tau tus mob. Cov neeg siv yuav tsum tau ua kom cov hlau loj ntxiv kom them nyiaj qis dua aluminium conductivity thiab siv los tiv thaiv -UV sab nrauv rau lub sijhawm ntev - qhib- huab cua raug.
Q3: Vim li cas tib yam - loj YJLV tshav kub ntau dua YJV?
A: Aluminium resistivity yog siab dua. Raws li zoo tib yam tam sim no, aluminium generates cua sov ntau dua. Qhov no yog vim li cas engineers ib txwm pom zoo kom upsizing aluminium cables kom qis ua haujlwm kub.
Xaus
YJLV aluminium XLPE PVC fais fab cable muaj nyob rau hauv kev lag luam hluav taws xob sib kis kev daws teeb meem es tsis yog txhua yam - lub hom phiaj hloov rau tooj liab cables. Nws txoj kev lag luam xav tau ntawm Google nyob ruaj khov feem ntau vim yog tus nqi qis thiab lub teeb pom kev zoo rau qhov ntev -nyob rau sab nraum zoov engineering. Kev yuav khoom thiab kev tsim kho ob tog yuav tsum sib phim cable loj raws li qhov tseeb load, nruj me ntsis standardize davhlau ya nyob twg installation, thiab xaiv ntawm YJLV thiab YJV raws li pob nyiaj siv, nteg ib puag ncig thiab ntev - lub sij hawm ua hauj lwm yuav tsum tau. Kev xaiv qauv tsim nyog sib npaug ua ntej kev nqis peev thiab tom qab ua haujlwm kev nyab xeeb.
