Vim li cas thiaj yuav tsum tau lub Circuit Court breaker lub peev xwm tawg dhau ntawm kab qhov siab tshaj plaws luv luv -Circuit Current? - Blog

Ib Daim Ntawv Qhia Txog Kev Nyab Xeeb Tsis Muaj -Kev Sib Tham

Hauv kev tsim hluav taws xob, muaj ib txoj cai uas zoo li yooj yim tab sis tseem ceeb heev: aCircuit Court breakertawg peev xwm yuav tsum tshaj qhov siab tshaj plaws luv luv -circuit tam sim no uas yuav tshwm sim ntawm kab. Qhov no tsis yog ib qho teeb meem ntawm kev saib xyuas ntau dhau; nws yog lub hauv paus kev nyab xeeb.

Tsuas yog Ua Phem Li Cas Luv luv -Circuit Current?

Thaum ib qho luv luv Circuit Court tshwm sim, tam sim no surges los ntawm nws cov nqi ntsuas mus rau kaum tawm txhiab tus amperes, nrog rau cov hluav taws xob loj heev thiab cov teebmeem thermal. Yog tiasCircuit Court breakerLub peev xwm tawg tsis txaus, cov neeg sib txuas yuav raug kaw thiab qhib tsis tau, lub arc tuaj yeem hlawv txuas ntxiv, thiab lub breaker nws tus kheej tuaj yeem tawg. Qhov txaus ntshai tshaj yog qhov tsis ua haujlwm cuam tshuam qhov txhaum tam sim no, uas tuaj yeem ua rau cov khoom siv tiv thaiv sab saud mus rau - ua rau muaj hluav taws xob ntau.

"Zoo dua" Tsis txhais hais tias "Equal to"

Qee tus yuav nug: Puas yog nws muaj peev xwm ua kom sib npaug ntawm qhov tam sim no? Cov lus teb yog emphatic no. Luv-circuit tam sim no cuam tshuam los ntawm yam xws li kab sib chaws kev khiav hauj lwm hom, cable lengths, thiab kub, lub ntsiab lus xam qhov tseem ceeb muaj margins ntawm yuam kev; Tsis tas li ntawd, kev tsim cov kev hloov pauv muaj nyob hauv cov hluav taws xob hluav taws xob. Kev tuav cov npoo kev nyab xeeb yog qhov tseem ceeb los xyuas kom muaj kev cuam tshuam txhim khu kev qha raws li kev ua haujlwm hnyav tshaj plaws.

Yuav ua li cas xaiv yuav tsum tau ua nyob rau hauv xyaum?

Pib los ntawm kev ua haujlwm tawm qhov loj tshaj plaws luv luv -circuit tam sim no uas tuaj yeem tshwm sim ntawm qhov chaw uas lub breaker yuav raug ntsia - feem ntau, uas txhais tau hais tias lub transformer theem nrab lossis lub taub hau ntawm feeder. Thaum koj muaj tus lej ntawd, xaiv lub tshuab tawg uas nws lub peev xwm tawg tau zaum ntawm qib tom ntej. Hais tias koj qhov kev suav tuaj rau 35 kA; ces ib qho cuab yeej ntsuas ntawm 50 kA lossis siab dua yog qhov koj xav tau. Ib qho ntxiv uas tsim nyog nco ntsoov: cov tuam txhab lag luam paub qhov txawv ntawm qhov kawg ntawm qhov kawg thiab kev pab cuam tawg peev xwm. Thawj zaug tsuas yog lav tias lub breaker tuaj yeem tshem tau qhov txhaum, txawm tias nws cov kev sib cuag yuav raug puas tsuaj. Qhov thib ob xav kom lub breaker nyob twj ywm siv tau tom qab. Rau ib lub voj voog uas koj tsis tuaj yeem them taus poob, xyuas nws tawm tsam qhov kev pabcuam, tsis yog qhov kawg nkaus xwb.

Xaus

Lub ntsiab lus ntawm txoj cai no yog qhov yooj yim: cov cuab yeej tiv thaiv yuav tsum yog "tougher" dua li qhov txhaum nws tus kheej. Thaum nws los txog rau kev nyab xeeb hluav taws xob, tsis muaj chaw rau kev ua si.