Iyini intambo yokukhweza?
Okuqukethwe
Intambo yokukhweza iyi-conductor eyodwa evalekile efanelekile ku-voltage ephansi kanye nezicelo zamanje eziphansi. Intambo yokuxhuma yenza kahle ezindaweni ezivalekile futhi itholakala ezinhlobonhlobo zokucushwa ngama-conductor ahlukahlukene, i-insulation kanye ne-sheath materials.
Kulo mhlahlandlela, sizofunda kabanzi mayelana nentambo yokuxhuma nokuthi yini okufanele uyibheke entanjeni yokuxhuma evikelekile:
Intambo yokuxhuma isetshenziselwa ini?
Intambo yokuxhuma ijwayele ukusetshenziswa kumaphaneli okulawula, izimoto, amamitha, ama-oven namakhompyutha, izinto zikagesi, izimoto zentengiso kanye nezintambo zangaphakathi zemishini.
Intambo yomthofu isetshenziswa kakhulu ezintweni zikagesi ezivaliwe, nakuba izinhlobo ezithile zingase zisetshenziswe ezimeni ezinzima zempi.
Izintambo eziningi zokuxhuma zilinganiselwe ku-600V; nokho, izilinganiso zokushisa ziyahlukahluka ngokuklama.
Ukukhetha intambo efanele ozoyixhuma
Ukuthenga izintambo zokubopha kungaba umsebenzi onzima uma ucabangela izici eziningi.
Lapho uthenga izintambo zokuxhuma, abathengi kufanele bacabangele lokhu okulandelayo:
amandla kagesi
Ngezizathu eziningi kubaluleke kakhulu ukukhetha intambo efanele noma ikhebula le-voltage edingekayo, ezinye izidingo zifaka:
- Ukuqina kocingo kuthinta kakhulu ukumelana; ukumelana okuphezulu kudala ukushisa okwengeziwe; ngakho-ke, i-wire gauge engalungile ingadala izinkinga ezingaba zokuphepha nezomlilo.
- Amandla ocingweni angehla ebangeni elide; ngakho ukukhetha ikhebula elikhawulela leli thuba noma eliqinisekisa ukuthi awehli ngaphansi kwezinga elamukelekayo kubalulekile.
amandla
Leli inani lamandla asetshenziswa idivayisi kagesi futhi likalwa ngama-ampere. Kubaluleke kakhulu ukwazi ukuthi ingakanani yamanje ocingweni ezodonswa yiwo wonke amadivaysi lapho unquma ukuthi yiluphi ucingo oluzosetshenziswa. Uma ucingo olukhethiwe noma ikhebula liphansi kunelidingekayo ohlelweni, izinkinga ezinjengokushisa ngokweqile kanye nokuncibilika kocingo okungenzeka.
ukulayisha ngokweqile lokhu kungenye inkinga lapho amadivaysi amaningi kakhulu exhunywe kumjikelezo. Kulezi zimo, umshini ngeke usebenze ngendlela efanele ngoba ama-circuit breaker angase akhubeke futhi akhubaze idivayisi.
i-wire gauge
I-American Wire Gauge (AWG) iyindinganiso yezintambo zikagesi ezikala izintambo ezingenalutho/ezihlutshiwe. Ukuncipha kobubanzi bulingana nokwenyuka kwe-caliber.
Indawo engaphezulu, enikezwe ngo-mm2, ingenye indlela yokulinganisa ukujiya kwentambo. Lapho izintambo ezengeziwe kufanele zithwalwe kumjikelezo, kusetshenziswa izintambo ezinkulu ezinobubanzi. Izintambo ezinde zingasetshenziswa ohlelweni ngoba intambo yamanje igeleza kalula ocingweni ngaphandle kokungaqini kwe-voltage.
I-Insulation
I-insulation kumele imelane nezimo ezihlukahlukene, ngaphezu kokuhlukanisa ukunikezwa kwamandla kwenye i-conductor kanye nesisekelo. Esinye isici okufanele sicatshangelwe ukuchayeka kumakhemikhali avela endaweni ezungezile. Ukwakheka kwe-insulation kuthinta impilo yesevisi elinganiselwe yemikhiqizo yehadiwe.
Izintambo eziningi zivalwe ngezinto ezijwayelekile ze-PVC ukuvikela umqhubi ekuhutsheni nasezisekeleni ezimfushane. I-PVC ingancibilika ngaphansi kwezimo zokushisa eziphezulu. Kulezi zimo, i-insulating material enamandla njenge-fluorine noma i-silicone iyadingeka.
Izintambo zokuxhuma zitholakala ezintweni ezihlukahlukene zokuvikela ezifana ne-PVC, i-PTFE, i-EPDM (i-ethylene propylene diene elastomer), i-hypalon, i-neoprene nerabha ye-silicone. (1)
I-Hook-Up wire kanye nezinzuzo zayo
Izintambo zokuxhuma zisetshenziswa ezintweni ezihlukahlukene, amadivaysi kanye nezimoto. Nazi ezinye zezinzuzo zokusebenzisa lolu hlobo lwentambo yethusi kuphrojekthi yakho:
- I-Copper wire ine-thermal conductivity ephakeme kakhulu yazo zonke izinsimbi.
- Intambo yethusi inokumelana nokugqwala okuphezulu ngenxa yokusabela kwayo okuphansi, okuqeda isidingo sokushintshwa kwezikhathi ezithile okumba eqolo.
- Esinye isici sentambo yokuxhuma ukuguquguquka kwayo, okusho ukuthi ingabunjwa ngokuguquguqukayo ngaphandle kokunqamuka, okuwusizo kakhulu ezimweni zikagesi lapho ucingo kufanele lugoqe khona emakhoneni. (2)
Bheka ezinye zezihloko zethu ngezansi.
- Iyiphi intambo esuka ebhethrini iye kusiqalisi
- Ungawaxhuma kanjani ama-amps angu-2 ngentambo yamandla eyodwa
- Zixhunywa kanjani izintambo zikagesi
Izincomo
(1) I-PVC - https://www.sciencedirect.com/topics/materials-science/polyvinyl-chloride
(2) ukonakala - https://www.thoughtco.com/malleability-2340002
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