Ingabe intambo ensundu iphozithivu noma inegethivu?
Amathuluzi namathiphu

Ingabe intambo ensundu iphozithivu noma inegethivu?

18.02.2023 /

Izintambo zegatsha zokusabalalisa amandla e-AC kanye ne-DC zinekhodi yombala ukuze kube lula ukuhlonza izintambo ezihlukene. Ngo-2006, izimpawu zemibala yezintambo zase-UK zavunyelaniswa nezimpawu zombala wezintambo kulo lonke izwekazi lase-Europe ukuze zihambisane nezinga lamazwe ngamazwe le-IEC 60446. Njengomphumela wezinguquko, intambo eluhlaza okwesibhakabhaka manje isiwucingo olumaphakathi kanye nomugqa oluhlaza/ophuzi. umhlabathi. , futhi ucingo olunsundu okukhulunywe ngalo kulesi sihloko manje seluyintambo ephilayo. Manje kungenzeka ukuthi uyabuza, ingabe intambo ensundu iphozithivu noma inegethivu?

Qhubeka ufunda ukuze uqonde kangcono ukusetshenziswa nemisebenzi yentambo ensundu (bukhoma).

Intambo ensundu: i-positive negative?

Ku-International Electrotechnical Commission (IEC) DC amakhodi ombala wezintambo zamandla, intambo ensundu, ebizwa nangokuthi i-live wire, intambo ephozithivu, ebhalwe ukuthi "L+". Umsebenzi wezintambo ezinsundu wukuthwala ugesi uwuyise emshinini. Uma intambo ensundu ibukhoma futhi ingaxhumekile kukhebuli yaphansi noma emaphakathi, kunethuba lokuthi ubanjwe ugesi. Ngakho-ke, ngaphambi kokuba uqale ukusebenza ku-wiring, qiniseka ukuthi awukho umthombo wamandla oxhunywe kuntambo ephilayo.

Ukuqonda Amakhodi Wombala Wezintambo

Ngenxa yoshintsho lwamakhodi ombala wezintambo, kokubili amapayipi amakhulu angaguquki nezintambo zikagesi, nanoma yiziphi izintambo eziguquguqukayo, manje sezinezintambo ezinombala ofanayo. E-UK kunomehluko phakathi kwemibala yabo yezintambo emidala nemisha.

Intambo eluhlaza okwesibhakabhaka emaphakathi ithathe indawo yezintambo ezimaphakathi zangaphambilini. Futhi, izintambo ezindala ezibomvu manje sezinsundu. Amakhebuli kufanele amakwe ngokufanelekile ngamakhodi ombala wezintambo afanele uma kukhona ingxube yemibala yezintambo ezindala nezintsha ukuze kuvinjelwe ukungaxhumeki kahle kwesigaba nokungathathi hlangothi. Intambo eluhlaza okwesibhakabhaka (emaphakathi) ithwala amandla iwasuse ethuluzini, futhi intambo ensundu (ebukhoma) inika amandla ithuluzi. Le nhlanganisela yezintambo yaziwa ngokuthi isekethe.

Intambo eluhlaza/ephuzi (ephansi) isebenzela inhloso ebalulekile yokuphepha. Ukudluliswa kukagesi kwanoma iyiphi impahla kuyohlale ilandela indlela eya emhlabeni eveza ukumelana okuncane kakhulu. Manje, njengoba ugesi ungadlula emzimbeni womuntu endleleni ephansi lapho izintambo eziphilayo noma ezingathathi hlangothi zilimele, lokhu kungandisa ingozi yokushaqeka kukagesi. Kulokhu, ikhebula lomhlabathi eliluhlaza/eliphuzi liwumisa kahle umshini, ukuvimbela lokhu ukuthi kungenzeki.

Qaphela: Izintambo ezingaguquki nezintambo zemibala ehlukene, kanye nokufakwa ngamaketango, kufanele kumakwe ngezimpawu eziyisixwayiso. Lesi sixwayiso kufanele sibhalwe ebhodini le-fuse, i-circuit breaker, i-switchboard noma iyunithi yabathengi.

I-IEC Power Circuit DC Wiring Color Codes 

Ukufaka ikhodi kombala kusetshenziswa ezindaweni zamandla e-DC ezithobela izindinganiso ze-AC ezifana namandla elanga nezikhungo zedatha yekhompyutha.

Okulandelayo uhlu lwemibala yentambo kagesi ye-DC ethobela amazinga e-IEC. (1)

UmsebenziilebulaЦвет
Umhlaba OvikelayoPEokuluhlaza okuphuzi
2-Wire Ungrounded DC Power System
i-positive wireL+Brown
ucingo olungalungileL-Grey
Isistimu yamandla ye-DC enezintambo ezi-2
Iluphu ephansi ye-positive negativeL+Brown
Isifunda esinegethivu (enesisekelo esibi).MOkuluhlaza okwesibhakabhaka
Isekhethi ekahle (indawo ekahle).MOkuluhlaza okwesibhakabhaka
Isekhethi engalungile (ephansi).L-Grey
Isistimu yamandla ye-DC enezintambo ezi-3
i-positive wireL+Brown
Intambo emaphakathiMOkuluhlaza okwesibhakabhaka
ucingo olungalungileL-Grey

Izicelo zesampula

Uma usanda kuthenga into yokukhanyisa futhi uzama ukuyifaka e-US, njengesibani sokupaka se-LED noma izibani ze-warehouse. I-luminaire isebenzisa izindinganiso zezintambo zomhlaba wonke futhi ngale ndlela, ukufanisa kulula:

  • Intambo ensundu kusukela ekukhanyeni kwakho kuya ocingweni olumnyama olusuka esakhiweni sakho.
  • Intambo eluhlaza okwesibhakabhaka kusuka kusibani sakho kuya ocingweni olumhlophe kusuka esakhiweni sakho.
  • Okuluhlaza okunomugqa ophuzi kusukela endaweni yakho kuya ocingweni oluluhlaza lwesakhiwo sakho.

Cishe uzoxhuma ezinye izintambo ezibukhoma ezintamboni ezinsundu neziluhlaza okwesibhakabhaka zedivayisi yakho uma usebenzisa ama-volts angu-220 noma ngaphezulu. Kodwa-ke, ama-voltage aphezulu kufanele asetshenziswe kuphela ezimweni ezimbi kakhulu. Izinto eziningi zesimanje ze-LED zidinga i-110 V kuphela, eyanele. Isizathu esizwakalayo kuphela salokhu kulapho kunemigqa emide, njengokugijima amafithi angu-200 noma ngaphezulu kwezintambo ezinkundleni zemidlalo ezikhanyayo, noma lapho indawo isivele ixhunywe kuma-volts angu-480. (2)

Bheka ezinye zezihloko zethu ngezansi.

  • intambo emhlophe iphozithivu noma inegethivu
  • Uziqhuba kanjani izintambo zikagesi endaweni engaphansi engaqediwe
  • Ungakanani usayizi wentambo yesibani

Izincomo

(1) I-IEC - https://ulstandards.ul.com/ul-standards-iec-based/

(2) I-LED - https://www.britannica.com/technology/LED

Engeza amazwana