Hauv cov tshuab hluav taws xob hauv tsev niaj hnub, TPS hlau (Thermoplastic Sheathed Cable) yog ib hom kab hluav taws xob ntau tshaj plaws. Nws yog dav siv nyob rau hauv cov khoom siv hluav taws xob hauv cov vaj tsev nyob thiab kev lag luam, tshwj xeeb tshaj yog nyob rau hauv cov teeb pom kev zoo, cov khoom siv hluav taws xob thiab cov hluav taws xob sib txuas ntawm qee cov khoom siv hauv tsev. Txij li thaum TPS cables koom nrog kev sib kis tam sim no, kev nyab xeeb thaum lub sijhawm teeb tsa yog qhov tseem ceeb, thiab kev tsis saib xyuas yuav ua rau hluav taws xob tsis ua haujlwm lossis txawm tias hluav taws kub thiab lwm yam kev nyab xeeb. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum ua raws li cov cai tswj kev nyab xeeb tsim nyog thaum txhim kho TPS cov xov hlau.
Tsab ntawv xov xwm no yuav qhia meej txog cov cai tswj kev nyab xeeb uas yuav tsum tau ua thaum txhim kho TPS cov xov hlau, suav nrog kev nyab xeeb hluav taws xob, ib puag ncig kev xav tau, kev teeb tsa kev cai thiab lwm yam kom ntseeg tau tias kev ruaj ntseg ntawm cov hluav taws xob thiab kev nyab xeeb ntawm cov neeg siv.
1. Nkag siab cov yam ntxwv tseem ceeb ntawm TPS cables
Ua ntej txhim kho TPS xov hlau, koj yuav tsum xub nkag siab nws cov yam ntxwv yooj yim. TPS cables feem ntau yog tsim los ntawm conductors, rwb thaiv tsev txheej thiab txheej sheaths. Cov conductors feem ntau yog ua los ntawm tooj liab lossis txhuas, thiab cov ntaub qhwv sab nrauv yog ua los ntawm cov ntaub ntawv thermoplastic (xws li PVC). Qhov kev tsim no ua rau TPS cables muaj qhov kub thiab txias tsis kam, corrosion kuj thiab tsis kam rau cov khoom puas. Kev nkag siab txog cov yam ntxwv no pab kom raug xaiv qhov chaw tsim nyog tsim nyog thiab siv ib puag ncig.
Tsis tas li ntawd, qhov ntsuas hluav taws xob ntawm TPS cables feem ntau yog 300/500V, 600/1000V, thiab lwm yam. Thaum siv, nws yog ib qho tsim nyog yuav tsum xyuas kom meej tias qhov ntsuas hluav taws xob ntawm lub cable yog siab dua lossis sib npaug ntawm qhov ntsuas hluav taws xob ntawm cov khoom siv hluav taws xob.
2. Ua raws li cov cai thiab cov qauv kev nyab xeeb hauv zej zog
Thaum txhim kho TPS cov xov hlau, koj yuav tsum nruj me ntsis ua raws li cov cai tswj kev nyab xeeb hluav taws xob hauv zos thiab cov qauv. Cov qauv kev nyab xeeb hluav taws xob ntawm txhua lub teb chaws thiab cheeb tsam yuav txawv, tab sis cov kev cai ntawm kev nyab xeeb hluav taws xob hauv feem ntau cov cheeb tsam xav kom thaum txhim kho cov khoom siv hluav taws xob thiab cov cables, qee cov qauv yuav tsum tau ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov khoom.
Ua piv txwv Australia ua piv txwv, kev teeb tsa ntawm TPS cov xov hlau yuav tsum ua raws li cov kev cai ntawm Australian Hluav Taws Xob Installation Standard (AS/NZS 3000). Cov txheej txheem no qhia txog cov kev xav tau ntawm cov khoom siv hluav taws xob, kev xaiv cable, txoj kev thaiv, cov cuab yeej tiv thaiv, thiab lwm yam. Hauv lwm lub tebchaws, cov qauv zoo sib xws kuj yuav tsum tau ua raws, xws li International Electrotechnical Commission Standard (IEC).
3. Xaiv txoj cai specifications ntawm TPS cables
Xaiv txoj cai tshwj xeeb ntawm TPS cables yog ib qho ntawm cov kauj ruam tseem ceeb tshaj plaws hauv kev teeb tsa. Yog hais tias lub cable specifications tsis ua raws li qhov yuav tsum tau ntawm lub load tam sim no, nws yuav ua rau lub cable overheat, fuse, los yog ua rau hluav taws. Yog li ntawd, thaum xaiv TPS cables, cov nram qab no yuav tsum tau xav txog:
(1) Lub peev xwm nqa tam sim no
TPS cable specifications feem ntau yog qhov txawv ntawm qhov chaw hla ntu, xws li 1.5 mm², 2.5 mm², 4 mm², thiab lwm yam. Xaiv qhov tsim nyog cable specification raws li qhov loj ntawm cov khoom siv hluav taws xob. Piv txwv li, 2.5 hli TPS cables feem ntau yog siv los nqa 20 amperes ntawm tam sim no thiab tsim nyog rau cov khoom siv hauv tsev thiab teeb pom kev zoo. Yog tias cov khoom thauj tam sim no loj dua, yuav tsum xaiv qhov loj dua cable (xws li 4 mm², 6 mm², thiab lwm yam) yuav tsum tau xaiv.
(2) Cov khoom siv cable
TPS cable conductors feem ntau yog tooj liab lossis txhuas. Copper conductor cables muaj cov conductivity zoo dua, yog li tooj liab conductor TPS cables muaj ntau dua nyob rau hauv feem ntau hauv tsev hluav taws xob systems. Txawm li cas los xij, aluminium conductor cables muaj cov nqi qis dua thiab tseem siv rau hauv qee qhov kev sib txuas hluav taws xob yooj yim. Nws yog ib qho tsim nyog los xaiv cov khoom siv cable tsim nyog raws li qhov xav tau tiag tiag.
(3) Cov khoom siv sab nraud
TPS cable txheej txheej feem ntau yog ua los ntawm PVC, uas muaj cov yam ntxwv ntawm UV tsis kam, corrosion kuj, thiab kub tsis kam. Thaum lub sij hawm installation, xyuas kom meej tias cov xaiv cable sab nrauv tuaj yeem hloov mus rau yam xws li kub, av noo, thiab UV raug nyob hauv ib puag ncig. Rau cov hluav taws xob thaiv sab nraum zoov lossis hauv qhov chaw ntub dej, cov kab hluav taws xob uas muaj cov dej tsis zoo ntxiv thiab cov ntaub ntawv pov thawj tuaj yeem xaiv tau.
4. Tsim nyog TPS cable tso
Thaum txhim kho TPS cables, txoj kev tso cable yog qhov tseem ceeb heev. Txoj kev tso qhov raug cai tuaj yeem ua kom muaj kev nyab xeeb ntawm txoj haujlwm ntawm lub cable thiab zam tsis txhob muaj hluav taws xob tsis zoo. Cov hauv qab no yog qee yam uas yuav tsum tau them sai sai rau thaum lub sijhawm teeb tsa:
(1) Tsis txhob khoov ntau dhau
Lub cable yuav tsum zam dhau kev khoov thaum lub sijhawm teeb tsa. Kev khoov ntau dhau tuaj yeem ua rau lub rwb thaiv tsev ntawm cov kab hluav taws xob puas, ua rau hluav taws xob tsis ua haujlwm lossis luv luv ntawm lub cable. Txhua lub cable muaj qhov tsawg kawg nkaus khoov vojvoog, uas yuav tsum tau ua raws li nruj me ntsis thaum lub installation. Feem ntau, qhov tsawg kawg nkaus khoov vojvoog ntawm TPS cables yog kwv yees li 5 npaug ntawm txoj kab uas hla ntawm lub cable.
(2) Tsis txhob muaj qhov kub thiab txias
Txawm hais tias TPS cables muaj qhov kub thiab txias tsis kam, lawv tseem tuaj yeem raug puas tsuaj nyob rau hauv qhov kub thiab txias heev los yog huab cua ntub heev. Yog li ntawd, thaum txhim kho cables, sim kom tsis txhob nthuav tawm cov cables rau qhov kub thiab txias. Thaum siv nyob rau hauv qhov chaw ntub dej, cov cables tsim los rau qhov chaw ntub dej yuav tsum tau xaiv.
(3) Txhim kho qhov sib txawv ntawm cable kom raug
Yog tias ntau lub cables yuav tsum tau muab tso ua ke, qhov sib nrug txaus yuav tsum tau tswj kom tsis txhob muaj cua sov los yog luv luv ntawm cov cables. Thaum txuas txuas ntxiv, cov raj xaim hluav taws xob lossis cov kab hluav taws xob yuav tsum tau siv los khaws cov cables kom zoo. Cov kab me me dhau lawm yuav ua rau muaj cua sov, uas yuav cuam tshuam rau kev nyab xeeb ntawm cov cables.
(4) Tsis txhob muaj kev puas tsuaj rau txhua yam
Thaum lub sij hawm lub installation txheej txheem, cov cables yuav tsum tau tiv thaiv los ntawm txhua yam kev puas tsuaj xws li rub, compression los yog kev sib tsoo. Lub plhaub sab nraud ntawm lub cable tuaj yeem muab qee yam kev tiv thaiv thaum lub sijhawm teeb tsa, tab sis yog tias lub cable raug quab yuam sab nraud ntau dhau, nws yuav ua rau lub plhaub sab nraud tawg lossis tus neeg xyuas pib tawg, ua rau hluav taws xob tsis ua haujlwm.
5. Siv cov khoom siv tiv thaiv hluav taws xob tsim nyog
Txhawm rau kom muaj kev nyab xeeb ntawm cov hluav taws xob, cov cuab yeej tiv thaiv tsim nyog yuav tsum tau nruab thaum txhim kho TPS cov xov hlau. Cov hauv qab no yog qee yam khoom siv tiv thaiv:
(1) Circuit Breaker
Circuit Breakers yog cov cuab yeej tseem ceeb los tiv thaiv tam sim no overload lossis luv luv Circuit Court. Thaum cov khoom thauj tam sim no tshaj qhov kev nyab xeeb, lub tshuab hluav taws xob tuaj yeem txiav tawm hauv Circuit Court kom tsis txhob muaj kev puas tsuaj rau cable lossis lwm yam khoom siv hluav taws xob. Thaum txhim kho TPS cables, lub Circuit Court breaker nrog ib tug haum rated tam sim no yuav tsum tau xaiv raws li lub load tam sim no.
(2) Cov Khoom Siv Hluav Taws Xob (RCD)
Ib qho khoom siv tam sim no (RCD) yog ib qho khoom siv uas tiv thaiv kom tsis txhob xau. Nws tuaj yeem txiav tawm qhov hluav taws xob thaum muaj hluav taws xob tshwm sim hauv cov khoom siv hluav taws xob kom tsis txhob muaj hluav taws xob poob lossis hluav taws kub. Tshwj xeeb tshaj yog nyob rau hauv ib puag ncig huab cua lossis thaj chaw muaj kev pheej hmoo siab, cov khoom siv tam sim no yog cov khoom siv nyab xeeb uas yuav tsum tau teeb tsa.
(3) Kev tiv thaiv hauv av
Kev tiv thaiv hauv av tuaj yeem tiv thaiv kev pheej hmoo ntawm hluav taws xob poob thaum cov khoom siv hluav taws xob xau. Thaum txhim kho TPS cables, nws yog ib qho tsim nyog yuav tsum xyuas kom meej tias cov khoom siv hluav taws xob yog qhov zoo hauv av thiab siv cov kev ntsuas av tsim nyog.
6. Kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua
Txawm hais tias tag nrho cov cai tswj kev nyab xeeb tau ua raws thaum lub sijhawm teeb tsa, cov tshuab hluav taws xob tseem tuaj yeem ntsib kev laus, hnav thiab lwm yam teeb meem thaum siv mus ntev. Txhawm rau kom muaj kev nyab xeeb ntawm cov tshuab hluav taws xob, kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua yog qhov tseem ceeb. Cov hauv qab no yog qee qhov kev tshuaj xyuas thiab kev saib xyuas cov lus qhia:
(1) Tshawb xyuas lub cable sheath
Lub cable sheath yog ib qho kev thaiv uas tiv thaiv tus neeg xyuas pib sab hauv thiab txheej txheej rwb thaiv tsev. Tsis tu ncua xyuas seb lub sheath sab nrauv puas zoo los xyuas kom meej tias cov cable tsis puas los ntawm lwm yam ib puag ncig.
(2) Txheeb xyuas qhov txuas txuas
Cov terminals uas txuas lub cable rau lub qhov (socket), hloov, Circuit Court breaker, thiab lwm yam yuav ua tau xoob los yog corroded vim siv mus ntev. Tsis tu ncua xyuas seb qhov kev sib txuas terminals puas ruaj khov thiab huv si kom ntseeg tau tias kev sib kis tau zoo.
(3) Txheeb xyuas qhov load tam sim no
Tsis tu ncua xyuas cov khoom thauj tam sim no hauv lub tshuab hluav taws xob kom paub meej tias qhov tam sim no tsis pub dhau qhov ntsuas lub peev xwm ntawm lub cable. Yog tias pom tam sim no overload, kho cov hluav taws xob hauv lub sijhawm lossis hloov lub cable nrog cov lus qhia loj dua.