1. Cov ntsiab lus ntawm tusThaub HlauXim Coling System
Nyob rau hauv hluav taws xob engineering, thhn xaim feem ntau yog xim - coded kom paub qhov txawv ntawm cov haujlwm sib txawv (xws li theem, nruab nrab, thiab cov xov hlau). Cov qauv nquag yog ua raws cov qauv xws li NFPA 70 (NEC, Asmeskas Tebchaws Meskas Manufacturers Kev Koom Tes), NEMES National Electrical Manufacturers), NEM50303 / GB-5023 hauv Suav teb. Thaum cov ntsiab lus xim sib txawv me ntsis ntawm cov qauv, cov hauv paus hauv qab no feem ntau siv:
1. Theem (Theem / Live):Siv dub, liab, xiav, thiab lwm yam xim. Nyob rau hauv multi -}} theem nruab, phales yog qhia ua ntu zus.
2. Nruab nruab nrab:Siv dawb lossis grey.
3. Av (av / khoom siv hauv av):Siv cov ntsuab ntsuab lossis ntsuab - Thiab - daj.
4. Lwm yam siv:Daj, txiv kab ntxwv, thiab xim av qee zaum siv rau kev tswj cov xov hlau lossis theem thaub qab.
Cov kev cai xaiv xim yuav tsum ua raws cov kev nyab xeeb hluav taws xob kev ua kom paub tseeb thiab tsis txhob muaj kev phom sij txaus ntshai tshwm sim los ntawm kev tsis sib xws.
2. Thhak Hlau Stand xim thiab lawv cov ntsiab lus
Cov npe hauv qab no muaj ntau cov xim uas muaj nyob hauv Thhn Khwv, lawv lub ntsiab lus, thiab siv.
2.1 thhn Cable dub - Cov theem tseem ceeb
Feem ntau siv rau "kub" xaim hauv tib -}}} {) hauv peb {{nplooj ntawv.
Yooj yim thiab cov ntaub ntawv siv hluav taws xob: feem ntau siv nyob rau hauv ib qho -}}}} }v hlau / 240v hlau.
Nta: Cov hlau dub tsis muaj cim ntxiv yog tias xav tias yog theem nyob nrog, xav tau kev ceeb toom tshwj xeeb thaum kev tsim kho thiab txij nkawm.
2.2 Thhahn Cable Liab -}} itionase 2
Feem ntau siv rau theem 2 (L2) hauv peb -} phase fais fab.
Hauv ib qho -} theem txheej txheem, nws tseem siv rau hloov cov kab los yog beges load theem.
Liab yog yooj yim cais thiab AIDS cov cim hauv kev conduit lossis cable tais uas muaj ntau txoj kab sib qhia sib xyaw.
2.3 Thhahn Cable xiav - thib peb lossis nruab nrab theem / tswj cov hlau
Hauv peb {-} theem cov tshuab, nws feem ntau yog siv rau theem 3 (L3).
Hauv qee lub tshuab tswj, xiav kuj tseem siv tau ua "tswj hwm hlau" lossis "thaub qab backup hlau."
Kev siv xiav tiv thaiv tsis meej pem nrog cov xim dub lossis liab, txhim kho kev nyab xeeb.
2.4 Thhahn Cable Dawb - nutral
Hauv AC fais fab khoom siv, nruab nrab ntawm xaim xaim yog feem ntau grounded thiab ua hauj lwm raws li kab tsis zoo rov qab.
Cov neeg dawb ceev feem ntau raug xaiv raws li cov qauv nruab nrab hauv cov qauv hauv tsev thiab thoob ntiaj teb, tab sis nws yog ib qho tseem ceeb kom ntseeg tau tias tus neeg coj dawb huv yog ntshiab thiab tsis muaj. Qee zaum, ib qho ntxiv "n" yog xav tau ntawm cov neeg xyuas dawb.
Thaum siv dawb, tsis txhob hla nws nrog qib tus neeg kos npe.
2.5 PLAYLE ntsuab / ntsuab - Daj {{2} {}}}} Tiv kiab ntiaj teb (PE)
Ntsuab lossis ntsuab nrog ib txoj hlua daj yog siv rau cov cuab yeej tiv thaiv (PE), hu rau cov hlau pov tseg lossis hauv av.
NECATICCE meej meej hais tias ntsuab / ntsuab - daj tsuas yog siv los ua cov txheej txheem hauv av thiab tsis yog rau nruab nrab.
Ntsuab - Daj yog qhov tshwj xeeb tshaj yog pom ntau dua thiab yog qhov pom zoo tshaj plaws hauv kev ua si hauv qab hnub no.
2.6 Thhahn Cable Grey -} nruab nrab (lwm yam)
Hauv qee lub tshuab, grey tseem siv los ua tus coj kev nom tswv, hloov dawb.
Qhov kev tsim qauv no ua rau muaj kev txheeb xyuas thaum ntau tus neeg nruab nrab ntawm cov neeg nruab nrab yog tam sim no thiab zam kev tsis meej pem thaum cov neeg dawb ceev.
2.7 Lwm Cov Xim: Daj, Txiv kab ntxwv, Xim av, thiab lwm yam} Cov xov hlau Spare Vaj
Daj: Feem ntau siv rau kaujses khoom seem (xws li L4 hauv plaub -} roj fais fab theem.
Txiv kab ntxwv: qee zaum siv los ua cov xov xwm ceeb toom kev phom sij lossis raws li ib nrab tswj cov xaim xaim hauv kev siv hluav taws xob.
Brown: Hauv qee qhov IEC / European Cov Qauv, Brown yog siv rau L1 / L Theem; xiav rau nruab nrab; thiab ntsuab thiab daj rau hauv av.
Thaum lub sij hawm cov xim uas muaj dub / xim liab / xiav / dawb, xim ntxiv tseem siv thaum yuav tsum tau kho ntxiv.
3. Cov xim sib txawv thiab kev ceev faj hauv cov cheeb tsam sib txawv lossis cov qauv
Thaum lub saum toj no Thhak Hlau cov cai tau hais tawm hauv ntau lub teb chaws, cov qauv hauv zos tseem sib txawv me ntsis raws li cov kev cai tshwj xeeb ntawm txoj haujlwm:
| Thaj av / qauv | Theem Xim | Nyob qho nruab nrab | Teb | Lwm Phau Ntawv |
| Tebchaws Asmeskas Nec / Nema | Dub, liab, thiab xiav (peb - theem) | dawb lossis grey | ntsuab lossis ntsuab / daj | Daj, txiv kab ntxwv, thiab xim av siv rau kev tswj hwm thiab standby functions. |
| Tuam Tshoj GB Txuj Ci | Dub, liab, thiab xiav (peb - theem) | Lub teeb xiav lossis grey (qee zaum dawb) | Ntsuab / Daj | Tswj kab yog qee zaum txawv los ntawm lwm cov xim |
| European iC Txuj | Xim av, dub, thiab grey (peb - theem) | Xim xiav | Ntsuab / Daj | Piv rau American xim xim, ceev kev sib xyaw yog pom zoo. |
| Japanese JIS cov qauv | Dub, Liab, Thiab Dawb (Peb -}}} | Cyan (Grey - xiav); Cov tshuab qub yuav siv dawb | Ntsuab, Ntsuab - daj | Qee cov khoom siv loj dua tseem siv cov xim dawb li ntawm cov hlau nruab nrab; Thov paub txog kev hloov pauv. |
Yog tias txoj haujlwm cuam tshuam nrog cov cuab yeej siv lossis txawv teb chaws xaim, tshwj xeeb saib xyuas yuav tsum tau them rau qhov sib txawv rau cov qauv xim. Piv txwv li, yog tias cov khoom siv European tau qhia rau hauv lub vev xaib hauv Suav thiab xim av yog sib xyaw nrog kev sib xyaw hauv nroog raws li L1 xiav, nws tuaj yeem ua rau muaj kev tsis ncaj ncees. Yog li ntawd, yog tias tsim nyog, sau qhov txuas lossis siv ob lub cim kom paub tseeb thiab pom tseeb.
4. Kev Nyab Xeeb Kev Nyab Xeeb thiab Xaiv cov lus pom zoo
4.1 Kev Nyab Xeeb Kev Nyab Xeeb
1.Xaiv Xim nruj me ntsis raws li cov hluav taws xob tshwj xeeb ntawm qhov chaw tshaj tawm: Zam kev sib xyaw ntau cov tshuab uas tuaj yeem ua rau tsis muaj tseeb.
2.Aloid xim duav lossis puas tsuaj: yog tias cov xov hlau dawb tau them nrog cov xim pleev xim lossis stains, lawv poob lawv cov kev ua haujlwm; Kev kho yuav tsum tau ua kom sai.
3.Tsis tsis txhob siv cov hlau av ua lub hlau nruab nrab: txawm hais tias lub xov ntsuab ntsuab txuas nrog rau hauv av thiab siv ua qhov tsis yooj yim, nws ua rau muaj kev phom sij txaus ntshai.
4.Navoid siv cov xim rau cov ntsiab lus sib txawv zoo nkauj: cov xim ntawm txhua tus xaim yuav tsum muaj qhov sib txawv.
5.Lab thiab cov cim: hauv multi {{xim lossis ob npaug {{{2} Cov ntawv xov hlau, lossis cov ntawv xov tooj cua sov tuaj yeem siv rau kev txheeb xyuas cov cim ntxiv.
6.pliance kev lees paub cim: Tom qab ua tiav, hluav taws xob kev kuaj mob yuav tsum tau ua kom paub meej tias tsis muaj kev pheej hmoo ntawm kev pheej hmoo, xau, lossis luv luv voj voog.
6.2 Xaiv cov lus pom zoo
1.Trention cov pa chaw nyob / cov xaim hluav taws xob: Dub (L1), xiav (L2), xiav (L2), xiav (L2)
2.Txoj kev siv hluav taws xob electromechanical: daj thiab txiv kab ntxwv tuaj yeem ntxiv ua cov kab lossis tswj cov kab kom phim cov txee txee ntaus ntawv xaim kos duab.
3. Cov kab ua haujlwm kab, xws li cov kab kos thiab cov kab xwm txheej ceev, tuaj yeem siv cov xim sib txawv ntawm cov kab sib txawv ntawm cov qauv hauv cheeb tsam.
4.Spare lossis kev npaj kho tshiab: tseg cov kab xim daj lossis txiv kab ntxwv hauv cov kab conduit lossis cable tais los pab txhawb kev nthuav dav yav tom ntej.
5.Cross - Cov khoom siv txheem ua ke rau lub xaib, cov ntaub ntawv xim tuaj yeem muab rau ntawm cov txuas sab nraud.
6.Cov lus qhia meej heev: Ntxiv rau xim, thhn Cable specifications tseem yuav tsum tau txiav txim siab rated rated rated rated rated rated rated (AWG), thermal ntsuam xyuas, thiab roj thiab noo noo tsis kam.
5. Cov xwm txheej hauv cov qauv thiab cov ntsiab lus
5.1 Cov piv txwv siv tau
Nyob ib nrab -} theem txheej txheem:
Dub: Theem (L, Kub)
Dawb / Grey: nruab nrab (n)
Ntsuab thiab daj: Av (PE)
Peb {-} theem txuas load faib:
Dub: L1
Liab: L2
Xiav: L3
Dawb / Grey: nruab nrab (n)
Ntsuab thiab daj: Av (PE)
Sab hauv lub chaw tswj:
Dub / liab / xiav: peb {- paimase lub zog tso tawm
Dawb / Grey: nruab nrab lossis tswj nruab nrab cable
Ntsuab / Ntsuab thiab Daj: Av
Daj: Redundant thaub qab cable los yog tswj cable
Txiv kab ntxwv: teeb liab cov lus teb cable lossis qhov ntsuas kev phom sij cable
Txhua cov xim sib xyaw sib raug zoo rau ib qho haujlwm tshwj xeeb, uas pab AIDS hauv kev tsim kho, txij nkawm, thiab kev daws teeb meem.
5.2 Cov Ntsiab Lus
Thhn Cables tau siv dav hauv tsev thiab kev faib khoom siv hluav taws xob vim lawv lub siab {{0} kev tiv thaiv, thiab muaj zog tshuaj tua neeg ua haujlwm. Coding xim yog qhov tseem ceeb rau kev nyab xeeb rau kev nyab xeeb, cov tub ntxhais kawm txoj kev kawm, thiab project txais kev pab. Common colors-such as black (phase), red/blue (multiphase), white/gray (neutral), and green/green-yellow (ground)-form the basic identification system. Daj, txiv kab ntxwv, thiab xim av feem ntau siv rau ib pab, tswj, lossis txuas ntxiv ua haujlwm.
Hauv kev ua haujlwm tiag, koj yuav tsum:
1.Txhua ua raws li hauv zos lossis cov qauv haujlwm.
2.Cov xwm txheej hlau yog cov xaim xaim yog qhov tseeb, sau npe, thiab pub dawb ntawm smearing yuam kev.
3. Siv cov xim tsim nyog rau kev sib piv cov hom phiaj, thiab tshwj tseg cov xim txuas ntxiv.
4.Yog hais tias muaj kev sib cav sib ceg ntawm cov qauv sib txawv, cim ntxiv lossis sib txawv ntawm theem nrab sib txawv yog qhov tseem ceeb.
Ua kom muaj kev nyab xeeb thiab kev saib xyuas ntawmThhn KhubLos ntawm cov qauv xaiv thiab kev teeb tsa yog qhov tseem ceeb lav ntawm cov khoom hluav taws xob zoo.