Dab tsi hlau loj rau 30 amps 200 ko taw (cov lus qhia thiab kev ua kom yuam kev)
Txheem
- Tso cai voltage poob
- Pom zoo xaim loj rau 30A, 200ft.
- Aluminium los yog tooj liab?
- Voltage poob hla 4 AWG tooj liab hlau
- Kuv puas tuaj yeem siv 3 AWG hlau rau 30 amps ntawm 200 ko taw?
- Qhov siab tshaj plaws nyob deb li cas rau 30 amp Circuit Court nrog 10 gauge hlau?
- Cov txiaj ntsig tsis zoo Siv cov xaim me me
- Dab tsi hlau loj yog qhov zoo tshaj plaws rau 30 amps ntawm 200 ko taw?
- Puas muaj kev nyab xeeb los siv txoj hlua txuas ntxiv los ntawm kuv lub tsev mus rau lub tsev txhab nyiaj?
- Summing txog
Txawm hais tias koj tab tom khiav ib qho txuas ntxiv lossis hauv av hauv av, kev ua kom zoo thiab xaiv cov hlau loj yog qhov yuav tsum tau ua. Kev xaim nrog cov xaim hluav taws xob tsis raug cai tuaj yeem ua rau muaj kev puas tsuaj. Qee lub sij hawm qhov no tuaj yeem ua rau hluav taws, kev puas tsuaj rau cov khoom siv thiab cov xaim yaj. Yog li, nrog rau txhua yam hauv siab, kuv npaj yuav qhia qhov loj npaum li cas hlau xav tau rau 30 amps ntawm 200 ko taw.
Feem ntau, kom khiav 30 amp Circuit Court ntawm 200 ko taw, koj yuav xav tau 4 AWG hlau; nws yog qhov kev xaiv zoo tshaj plaws rau koj qhov project hluav taws xob. Yog tias koj siv 120V qhov no yuav muab rau koj 2.55% voltage poob. Qhov no voltage poob qis dua qhov pom zoo 3% voltage poob.
Tso cai voltage poob
Yog tias koj siv lub tshuab hluav taws xob tsis tshua muaj hluav taws xob thiab qhov kev sib txuas no yog los ntawm kev faib tawm rau pej xeem, koj yuav tsum khaws qhov hluav taws xob poob qis dua 3% rau teeb pom kev zoo thiab qis dua 5% rau lwm lub hom phiaj. Tshaj dhau cov txiaj ntsig no tuaj yeem ua rau muaj kev phom sij heev. Yog li nco ntsoov khaws qhov hluav taws xob poob hauv thaj chaw nyab xeeb.
Pom zoo xaim loj rau 30A, 200ft.
Rau txhua qhov kev txuas hluav taws xob, koj yuav tsum xaiv cov xov hlau raws li koj qhov yuav tsum tau ua mus ntev. Yog li, hom khoom siv hlau yog qhov tseem ceeb. Piv txwv li, thaum muas, koj yuav tsum xaiv los ntawm tooj liab thiab txhuas hlau.
Yog tias koj xaiv tooj liab, 4 AWG yuav txaus rau 30 ko taw 200 amp txuas ntxiv. Ntawm qhov tod tes, 300 Kcmil txhuas hlau yuav ua kom yuam kev.
Nco ntsoov: Nyob ntawm tus nqi ntawm lub amplifier, cov xaim loj tuaj yeem hloov pauv.
Aluminium los yog tooj liab?
Ob qho tib si aluminium thiab tooj liab yog qhov zoo tshaj plaws conductors. Tab sis qhov twg yog qhov zoo dua rau cov kab hluav taws xob hauv av? (1)
Nws nyob ntawm ntau yam. Yog li, ntawm no yog ob peb qhov tseeb uas yuav pab tau koj txiav txim siab.
Tensile zog
Rau txhua cov xaim hauv av, lub zog tensile siab dua yog qhov tseem ceeb. Qhov no ua kom cov hlau tsis tawg yooj yim. Lub zog tensile ntawm tooj liab yog deb tshaj li txhuas. Tooj liab muaj 40% siab tensile zog tshaj txhuas. Txoj kev no koj yuav tuaj yeem taug qab cov xov hlau tsis muaj kev cuam tshuam.
thermal expansion
Thermal expansion yog hais txog lub peev xwm ntawm cov hlau kom nthuav dav thaum cov hlau tshwj xeeb raug tshav kub. Feem ntau cov xov tooj tooj liab tsis nthuav dav li ntawd. Piv nrog aluminium, thermal expansion tus nqi ntawm tooj liab yog tsawg.
Kev coj ua
Yog tias koj tsis paub nrog cov ntsiab lus conduction, ntawm no yog ib qho yooj yim piav qhia. Thaum tshav kub los yog hluav taws xob tam sim no dhau los ntawm cov khoom siv, nws ntsib qee qhov tsis kam ntawm cov khoom tshwj xeeb. Conductivity ntsuas qhov kev tiv thaiv no. Hais txog hluav taws xob conductivity, tooj liab yog qhov kev xaiv zoo dua li txhuas.
Cov lus qhia saum toj no yog ntau tshaj qhov txaus los txiav txim siab seb qhov twg zoo dua, txhuas lossis tooj liab. Tsis muaj qhov tsis ntseeg, cov xov tooj tooj liab yog qhov kev xaiv zoo tshaj plaws rau kev xaim hauv av.
Tswv yim: Nyiaj hlau yog qhov zoo tshaj plaws conductors. Tab sis, ntau kim dua tooj liab hlau.
Voltage poob hla 4 AWG tooj liab hlau
Rau 120 volts, 30 amps, thiab 200 feet ntawm kev khiav, 4 AWG xaim qhia tau hais tias qhov hluav taws xob poob ntawm 3.065 volts. Raws li feem pua, tus nqi no yog 2.55%. Yog li qhov kev poob qis yog nyob rau hauv thaj chaw nyab xeeb.
Tswv yim: Rau 240V, qhov voltage poob yog 1.28%.
Kuv puas tuaj yeem siv 3 AWG hlau rau 30 amps ntawm 200 ko taw?
Yog lawm, koj tuaj yeem siv 3 AWG tooj liab hlau rau 30 amps thiab 200 ko taw. Tab sis nyob rau hauv cov nqe lus ntawm conductivity, 4 AWG hlau yog zoo tagnrho. 3 AWG hlau yog tuab dua 4 AWG hlau. Yog li, 3 AWG hlau yuav tsim kev tiv thaiv ntau dua li 4 AWG hlau. Qhov no txhais tau tias tsawg conductivity rau 4 AWG hlau. 3 AWG hlau yog qhov siab tshaj plaws txoj kab uas hla hlau koj tuaj yeem siv rau 30 amps ntawm 200 ko taw.
Qhov siab tshaj plaws nyob deb li cas rau 30 amp Circuit Court nrog 10 gauge hlau?
Thaum peb tham txog 200 ko taw extension qaum, 10 AWG tooj liab hlau yog ib qho ntawm cov ntsiab lus tsis sib haum xeeb hauv internet. Cov neeg feem coob xav txog 10 AWG hlau yog qhov tsawg kawg nkaus txoj kab uas hla rau 200 ko taw txuas ntxiv. Qhov no muaj tseeb? Zoo, peb yuav pom hauv qab no.
Rau 240V
Thaum 10 AWG xaim mus 200 ko taw nrog 30 amps ntawm tam sim no, muaj 5.14% voltage poob.
Qhov siab tshaj plaws nrug = 115 ko taw (piv txwv tias qhov hluav taws xob poob qis dua 3%).
Rau 120V
Thaum 10 AWG xaim mus 200 ko taw nrog 30 amps ntawm tam sim no, muaj 10.27% voltage poob.
Qhov siab tshaj plaws nrug = 57 ko taw (piv txwv tias qhov hluav taws xob poob qis dua 3%).
Yog tias koj npaj yuav siv nws nrog 30 amps, 10 gauge hlau yuav ua haujlwm tsawg dua 100 ko taw.. Tab sis qhov kev ncua deb no yuav txawv nyob ntawm qhov kev ntxhov siab thawj zaug. Koj yuav tau txais ib lub tswv yim zoo tom qab siv lub ntsuas hluav taws xob poob. Qhov no yog txoj hauv kev yooj yim tshaj plaws los nrhiav qhov sib thooj.
Nco ntsoov: Txawm li cas los xij, 10 AWG hlau yog cov hlau me tshaj plaws uas tuaj yeem siv tau rau 30 amps. Qhov tsuas yog downside yog tias 10 AWG hlau tsis tuaj yeem khiav 200 ko taw.
Cov txiaj ntsig tsis zoo Siv cov hlau me me
Qhov loj ntawm cov hlau, qhov ntau nws tuaj yeem tuav tau ntau dua tam sim no. Txawm li cas los xij, cov xov hlau loj no tuaj yeem kim heev. Vim li no, cov neeg feem coob sim ua kom tiav txoj haujlwm uas siv cov xaim me me. Tab sis lawv tsis nkag siab txog qhov tshwm sim ntawm kev ua li no. Piv txwv li, cov xov hlau ntawm cov kab me me tsis ua haujlwm hauv cov khoom hnyav. Cov kev ua tsis tiav no yuav los ntawm ntau hom. Hauv qab no peb yuav tham txog cov txiaj ntsig tsis zoo no.
hluav taws kub
Ib txoj hlua me me tuaj yeem ua rau hluav taws xob hluav taws xob. Yog tias tej yam tsis muaj kev tswj hwm, qhov hluav taws kub tuaj yeem rhuav tshem tag nrho lub tsev. Txawm tias Circuit Court breakers yuav tsis tuaj yeem nres xws li overload. Qee zaum, koj tuaj yeem ntsib qhov tawg. Yog li, hluav taws kub yog qhov xwm txheej phem tshaj plaws rau kev siv cov xov hlau nyias.
Melting
Lub nra hnyav tuaj yeem tsim kom muaj cua sov ntau. Cov cua sov no yuav ntau dhau rau cov xov hlau nyias thiab cov capacitors. Thaum kawg, cov xov hlau yuav yaj. Tsis tas li ntawd, qhov melting no tuaj yeem cuam tshuam rau sab hauv ntawm cov khoom siv hluav taws xob. Feem ntau, cov cuab yeej no tuaj yeem raug puas dhau los kho.
Cov khoom puas
Raws li tau hais nyob rau hauv nqe lus dhau los, melting tuaj yeem yog ib qho ua rau cov khoom siv hluav taws xob puas tsuaj. Tab sis qhov no tsis yog vim li cas. Piv txwv li, txhua yam khoom siv tau siv los ntawm 30-amp circuit. Yog li, thaum twg cov khoom siv tsis tau txais hluav taws xob txaus, lawv tuaj yeem hlawv tag nrho lossis ua tsis tiav.
Voltage poob
Thaum twg koj khiav deb ntawm 200 ko taw, qhov voltage poob yuav tsum qis dua 3% rau teeb pom kev zoo thiab 5% rau lwm lub hom phiaj. Yog tias cov xaim xaiv tsis tuaj yeem txhawb nqa cov teeb tsa no, tag nrho lub voj voog yuav raug puas tsuaj. Yog li, thaum koj siv cov xaim me me, nws yuav dhau qhov kev pom zoo voltage poob.
Yees duab
Cov xov tooj tooj liab muaj peev xwm tiv taus ntau dua hnav thiab tsim kua muag dua li cov xov hlau txhuas. Qhov no tsis txhais hais tias tooj liab hlau yog invulnerable. Zoo li txhuas hlau, tooj liab xov hlau hnav yog raug rau kev ntxhov siab ntau dhau.
Dab tsi hlau loj yog qhov zoo tshaj plaws rau 30 amps ntawm 200 ko taw?
Thaum 10 AWG hlau yog qhov kev xaiv zoo rau 30 amp Circuit Court, nws tsis tuaj yeem khiav 200 ko taw. Ntawm qhov tod tes, 3 AWG hlau yog tuab dua. Qhov no txhais tau tias muaj kev tiv thaiv ntau dua. Yog li qhov kev xaiv pom tseeb yog 4 AWG tooj liab hlau.
Puas muaj kev nyab xeeb los siv txoj hlua txuas ntxiv los ntawm kuv lub tsev mus rau lub tsev txhab nyiaj?
Yog tias koj npaj yuav khiav kev sib txuas ntawm koj lub tsev mus rau koj lub tsev txhab nyiaj, koj muaj ob txoj kev xaiv. Koj tuaj yeem ncab cov hlua txuas ntxiv, lossis koj tuaj yeem faus cov hlau. Txawm li cas los xij, koj yuav tau txais txoj haujlwm tiav. Tab sis, los ntawm qhov pom kev nyab xeeb, nws yog qhov zoo tshaj rau faus cov hlau.
Ib txoj hlua txuas ntxiv tsis yog ib qho kev daws teeb meem sab nraum zoov. Rau kev kub ntxhov, qhov no yog ib txoj hauv kev zoo. Tab sis qhov no tsis yog qhov kev xaiv nyab xeeb tshaj plaws. Nov yog qee qhov teeb meem uas koj yuav ntsib thaum siv qhov txuas sab nraud.
- Cov hlua txuas ntxiv tuaj yeem raug puas tsuaj.
- Ib txoj hlua txuas ntxiv uas tsis muaj kev tiv thaiv tuaj yeem ua rau muaj kev phom sij rau lwm tus.
- Txuas ib qho txuas txuas mus rau ntau yam khoom siv tsis yog qhov kev paub zoo.
Yog li, muab cov ntsiab lus saum toj no, nws muaj kev nyab xeeb rau faus cov hlau. Txhawm rau ua qhov no, koj yuav xav tau cov kav dej thiab UF xov hlau. UF txhais tau tias underground feeder. Cov xov hlau no yog tsim tshwj xeeb rau kev siv sab nraum zoov.
Summing txog
Tso 200 feet ntawm hluav taws xob xaim ntawm 30 amps tuaj yeem nyuaj nyob ntawm kev xaiv thiab ua tiav. Piv txwv li, koj yuav tsum xaiv los ntawm tooj liab thiab txhuas. Tom qab ntawd qhov tseeb hlau loj. Thaum kawg, txoj kev xaim. Extension los yog hoses?
Yuav kom ua tiav qhov project thaiv sab nraum zoov, koj yuav tsum txiav txim siab kom raug. Txwv tsis pub, koj yuav xaus nrog cov khoom siv cua tshuab lossis puas lawm.
Ua tib zoo saib qee qhov ntawm peb cov lus hauv qab no.
- Yuav ua li cas mus kuaj ib tug tsawg voltage transformer
- Yuav ua li cas kuaj lub Circuit Court breaker nrog multimeter
- Qhov twg mus nrhiav tuab tooj liab hlau rau seem
tswv yim pom zoo
(1) aluminium - https://www.britannica.com/science/aluminium
(2) tooj liab - https://www.britannica.com/science/copper
Video txuas
