Dab tsi yog qhov ampacity ntawm 20 AWG hlau?
Dab tsi yog qhov ampacity ntawm 20 AWG hlau?

Video: Dab tsi yog qhov ampacity ntawm 20 AWG hlau?

Video: Dab tsi yog qhov ampacity ntawm 20 AWG hlau?
Video: Сколько ампер может выдержать провод? Основы амплитуды проводников 2024, Tej zaum
Anonim

Kev xaiv ntxiv

Tus neeg xyuas pib Amacity
Conductor Size ( AWG ) Amacity (Amps)
22 3
20 5
18 7

Ib yam li ib tus yuav nug, muaj pes tsawg amps tuaj yeem 20 AWG hlau tuav?

Rhuav Lub Zog Rau Cov Hlau Tooj

AW gauge Tus Cwj Pwm Ntsuas Ntiv Tes Ohms ib 1000 ft.
18 0.0403 6.385
19 0.0359 8.051
20 0.032 10.15
21 0.0285 12.8

Ib sab saum toj, pes tsawg amps tuaj yeem 24 AWG hlau tuav? Re: 24 AWG max kev nyab xeeb tam sim no 24 awj tooj liab, yuav ua 3,5 cov amps zoo li lub rooj hais. Feem ntau kuv nyiam mus me ntsis "dhau" txij li koj yuav pib xoob qee qhov ua kom sov yog tias koj tau ze rau qhov txwv tam sim no.

Tom qab ntawd, muaj pes tsawg amps tuaj yeem 22 ntsuas hlau tuav?

92amp ua

Koj yuav txiav txim siab li cas ampacity ntawm xaim?

Cov muaj peev xwm Kuv muab los ntawm cov mis Kuv = squareroot [(TC - TA)/(RDC*RDA)] Amperes. Qhov no sib npaug tsuas yog siv tau rau cov khoom siv hluav taws xob uas tsawg dua 2,000 volts thiab rau cov xov hlau me dua qhov ntsuas 2.

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