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Waya da na USB tushen ilimin tushe

Waya da kebul a cikin ma'ana mai faɗi kuma ana kiranta da kebul.A cikin kunkuntar ma'ana, kebul na nufin kebul da aka keɓe.Ana iya siffanta shi azaman tarin muryoyin waya ɗaya ko fiye da aka keɓe, tare da yuwuwar rufewar su, jimillar rigar kariya da kuma kube na waje.Kebul ɗin kuma yana iya samun ƙarin madugu marasa rufi.
Kayayyakin waya da kebul na kasar Sin sun kasu zuwa kashi biyar masu zuwa bisa ga amfaninsu:

1. waya bare.

2. waya mai karkarwa.

3. igiyoyin wutar lantarki.

4. Kebul na sadarwa da igiyoyin fiber optic na sadarwa.

5. Kayan lantarki tare da waya da kebul.

Tsarin asali na waya da kebul.

1. conductor: abin da ke gudanar da halin yanzu, waya da kebul ƙayyadaddun bayanai an bayyana su a cikin ɓangaren giciye na mai gudanarwa.

2. Insulation: kayan haɓakawa na waje bisa ga matakin ƙarfin ƙarfin ƙarfinsa.

Aiki halin yanzu da lissafi.

Lantarki (kebul) na USB aiki na yanzu lissafin dabara.
Mataki-daya
I=P÷(U×cosΦ)
P - iko (W);U - ƙarfin lantarki (220V);cosΦ - factor factor (0.8);I - layi na yanzu (A).

Mataki na uku
I=P÷(U×1.732×cosΦ)
P - iko (W);U - irin ƙarfin lantarki (380V);cosΦ - factor factor (0.8);I - layi na yanzu (A).
Gabaɗaya, ƙimar yanke-kashe aminci na wayar tagulla shine 5-8A/mm2, kuma na waya ta aluminum shine 3-5A/mm2.
A cikin layi na 220V guda ɗaya, na yanzu kowane ƙarfin 1KW yana kusan 4-5A, kuma a cikin da'irar matakai uku tare da ma'auni mai sauƙi uku, na yanzu kowane ƙarfin 1KW yana kusan 2A.
Wato a cikin da'irar lokaci-ɗaya, kowane milimita 1 na madubin jan ƙarfe yana iya jure nauyin wutar lantarki 1KW;da'irar ma'auni mai ma'auni uku na iya jurewa 2-2.5KW na iko.
Amma mafi girman aikin halin yanzu na kebul, ƙaramin amintaccen halin yanzu a kowane murabba'in millimita zai iya jurewa.


Lokacin aikawa: Oktoba-20-2022