{{0 {}} Dab tsi yog Thhn thiab Xhhw -2 xaim?
1.1 Dab tsi yog thhn?
Thhn (thermoplastic high kub-resistant nylon-txheej)Puas yog dav siv cov hlau xaim hluav taws xob thermoplastic} nws feem ntau siv hauv kev lag luam qhuav.
Cov Khoom Siv Ua: Tooj lossis txhuas
Kev rwb thaiv tsev: PVC (polyvinyl chloride)
Lub tsho loj: Nylon Txheej
Kev Ntsuas Hluav Taws Xob: 600V
Raug: Qhuav Sab Hauv Tsev Conduit Tshuab
1.2 Dab tsi yog xhhw -2?
Xhhw -2 (hla kev sib txuas siab kub thiab dej-resistant - 2)Puas yog cov hlau insulated nrog tus ntoo khaublig sib txuas (XLPE), muab cov dej noo zoo dua thiab siab dua cua sov.
Cov Khoom Siv Ua: Feem ntau tooj liab lossis txhuas
Kev rwb thaiv tsev: Xlpe
Kev Ntsuas Hluav Taws Xob: 600V lossis 1000V
Raug: Qhuav, ntub dej, lossis kev sib txuam hauv av
2.} Kev sib piv
2.1 ntsuas kub
Hwj chim: Rated rau 90℃nyob rau hauv qhuav ib puag ncig, 60℃nyob rau hauv cov kev mob ntub .
Xhhw -2: Rated rau 90℃nyob rau hauv ob qho tib si qhuav thiab ntub cov xwm txheej, muab cov kev ua tau zoo dua siab kub.
Rooj plaub kawm 1: Cov ntaub ntawv chaw xaim hluav taws xob
Lub tuam txhab tech lub chaw tsim nyog xav tau cov ntaub ntawv tshiab rau cov khoom siv HVAC hla thhhw {} moist moist-moist moist relersb .
2.2 noo noo thiab huab cua tsis kam
Hwj chim: Nylon tsho muaj cov dej tsis kam ua kom tsawg; tsis pom zoo rau kev ncaj qha faus neeg lossis chaw ntub dej nthuav dav .
Xhhw -2: Zoo heev noo noo thiab corrosion kuj; Haum rau hauv av lossis sab nraum zoov instersion .
2.3 Yooj Yim thiab Txhim Kho
Hwj chim: Kev yoog tau yooj yim dua thiab yooj yim rub los ntawm conduits .
Xhhw -2: Stiffer vim XLPE rwb thaiv tsev, ua kom teeb tsa kev teeb tsa me ntsis ntxiv rau.
Kev Kawm Kev Kawm 2: Txoj Haujlwm Kev Kho Chaw Haujlwm
Nyob rau hauv kev kho dua tshiab ntawm 40-} Cov conduit conduction opt {2% ntawm cov nqi zog li 30% rau kev ua haujlwm zoo li 30%}}
2.4 voltage thiab ampacity
Hwj chim: Rated rau txog 600v; Txheem ampacity .
Xhhw -2: Tuaj yeem tswj tau mus txog 1000v; Haum rau cov kev siv hluav taws xob siab .
3.} Daim Ntawv Thov Kev Sau Npe
| Daim ntawv thov | Pom Zoo Hom | Qho tseem ceeb |
|---|---|---|
| Lub tsev lag luam sab hauv tsev | Hwj chim | Kev teeb tsa tau yooj yim, raug nqi |
| Cov chaw nyob hauv av lossis av ntub | Xhhw -2 | Dej-resistant thiab ruaj |
| Kev muaj tsheb ntau | Xhhw -2 | Sov tsis tshua muaj cua sov |
| Conduit Institations | Hwj chim | Yooj yim rau rub thiab khoov |
Kev Kawm Kev Kawm 3: Chaw nres tsheb hauv av loj
Thaum kev tsim kho ntawm ib lub chaw nyob hauv ntiaj teb chaw nres tsheb, thhn tau dhau los, tus kws tsim kev pheej hmoo, tus entrowing-cuam tshuam rau kev ntsuas kev nyab xeeb tom qab kev teeb tsa kev tiv thaiv kev nyab xeeb tom qab kev teeb tsa kev tiv thaiv kev nyab xeeb tom qab kev teeb tsa kev tiv thaiv kev nyab xeeb tom qab kev teeb tsa kev tiv thaiv kev nyab xeeb tom qab kev sib txuas ntawm {{3}
4.}} Kev Tswjhwm Txheej Txheem
Ob qho tib si hlau yuav tsum ua raws liNEC (National Electrical Code)thiabUL Ntawv pov thawj:
Hwj chim: Ua raws li UL 83
Xhhw -2: Ua raws li UL 44
Nec cov lus qhia: Xhhw -2 Kuv yog qhov zoo dua nyob rau hauv damp los yog av ib puag ncig ib puag ncig per ntu 310.15 (b)
{{05. tus nqi sib piv & cov lus qhia
| Yam zoo | Hwj chim | Xhhw -2 |
|---|---|---|
| Cov Khoom Siv Nqi | Qi dua | Siab dua |
| Tus nqi them | Qi dua | Me ntsis siab dua |
| Kev Pabcuam Lub Neej | Tswj kav | Ntev |
| Kev Nyab Xeeb Kev Nyab Xeeb | Lub hom phiaj | Zoo tshaj |
Cov Lus Taw Qhia Xaiv:
Kev sivHwj chimThaum pob nyiaj siv nruj, thiab cov xwm txheej yog qhuav thiab tswj .
Kev sivXhhw -2rau kev ua si hauv av, sab nraum zoov, lossis cov chaw ntub nrog kev ntseeg siab xav tau}}}
Rau qhov ntsuas kub siab lossis siv sijhawm ntev, xhhw -2 muaj kev tiv thaiv zoo dua {}}
6. nquag nug cov lus nug
Q1: Thov siv rau hauv cov khoom sib txuam hauv av?
A: Tsis pom zoo tshwj tsis yog ntim rau hauv cov txheej txheem dej tsis zoo li cas .} Nws tsis noo noo ntawm nws tus kheej .
Q2: Puas yog Xhhw -2 haum rau kev siv sab nraum zoov?
A: YOG {{. xhhw -2}} Tam sim no UV, dej tsis kam, zoo tagnrho rau sab nraum zoov nruab.
Q3: Tau Them thiab Xhhw -2}} Yuav sib xyaw ua ke hauv tib lub system?
A: Technically yog, yog tias ob qho tib si raws li txoj cai, tab sis siv ib hom yooj yim txij nkawm thiab kev ua raws li .
Q4: Kuv puas yuav tsum xaiv tooj liab lossis txhuas cov neeg?
A: Tooj liab muaj cov kev coj zoo dua qub thiab ua kom ruaj khov tab sis ntawm tus nqi siab dua .} Alége .
Dongguan Ntau Ntau Hlau & Cable Co ., ltd .muab ntau yam ntawm cov kab ke, suav nrog cov khoom lag luam zoo li engicone, uas yog koj xav tau cov lus qhia siv hluav taws xob, cov khoom siv kho mob thiab cov lus txhawb nqa, thov hu rau peb tam sim ntawd . ntau dua, koj txoj kev ntseeg tau yooj yim cable .