Dab tsi yog lub hauv paus hloov?


Ib qho av hloov yog phau ntawv lossis hluav taws xob hloov hloov ntawm ob sab ntawm cov khoom siv hluav taws xob (xws li cov hluav taws xob hluav taws xob (tsheb npav, thiab kis cov kab). Nws cov tub ntxhais muaj nuj nqi tsis yog txiav tawm lossis txuas txuas tam sim no, tab sis cia li kom ntseeg tau cov cuab yeej rau hauv av thaum lub zog hluav taws xob rau kev saib xyuas.
Nws tshwm sim los xyuas kom ntseeg tus kheej kev nyab xeeb thiab muaj peb lub luag haujlwm tseem ceeb:
1. Kev txo tus nqi them thiab tiv thaiv hluav taws xob hluav taws xob
Tom qab lub zog hluav taws xob, siab - voltage cov khoom thiab cov kab khaws ib tus nqi loj, ua ib yam li tus neeg muaj peev xwm loj. Thaum lub tsev siv hluav taws xob kaw, nws sai sai no them rau hauv av, tiv thaiv kev tiv thaiv kev ua haujlwm los ntawm hluav taws xob.
2. Tiv thaiv kev sib tsoo fais fab txaus thiab ua kom muaj kev nyab xeeb (qhov tseem ceeb tshaj plaws)
Qhov no yog qhov tseem ceeb tshaj plaws. Yog hais tias ib tug neeg yuam kev cov khoom siv fais fab rau ib kab nyob rau hauv kev saib xyuas, lub txim yuav yog kev cuam tshuam. Kaw cov av hauv av hloov cov kab rau hauv av. Yog tias qhov no tshwm sim, ib lub luv luv luv- Circuit Cour tam sim no yuav ua rau muaj kev kub ntxhov tam sim ntawd, txiav tawm lub zog thiab tiv thaiv cov neeg ua haujlwm.
3. Kev txo inductive spurents, tshem tawm cov zais phom sij
Rau multi - Circuit Coad tau nruab rau hauv parallel, txawm tias ib qho kev paub txog cov hluav taws xob muaj peev xwm ua rau muaj kev phom sij hauv hluav taws xob hauv hluav taws xob induction. Ib qho av hloov pauv kev nyab xeeb uas cov kev tawm tsam rau hauv av.


Ua haujlwm cov ntsiab cai thiab cov qauv
Tus qauv ntawm lub pob ntseg earthing yog qhov yooj yim tab sis muaj zog:
Cov ntu:Nrog rau kev sib cuag tsiv (feem ntau yog hniav) thiab cov neeg sib cuag sib tiv tauj (cov khoom siv).
Insulating ntu:Siv cov yeeb yaj kiab lossis cov tshuaj insulators los txhawb nqa cov chaw thiab muab rwb thaiv tsev rau lub ntiaj teb.
Kev Ua Haujlwm Txheej Txheem:Feem ntau ntawm phau ntawv (ntawm kev ua haujlwm ua haujlwm lossis kov), nrog lub cev muaj zog rau kev ceeb toom lossis chaw taws teeb {}}} tswj keyboards.
Puag:Nyab xeeb tag nrho cov rooj sib txoos.
Ua haujlwm ua haujlwm:Kev ua haujlwm txheej txheem tsav kev tsiv (hniav) los koom nrog cov chaw sib txuas, tsim cov hluav taws xob hluav taws xob saum toj no thiab cov chaw hauv ntiaj teb hauv qab no.
Lub ntsiab
| Yam zoo | Earthing hloov | Disconnector (Rho Tawm) | Phab Txheem Breaker |
|---|---|---|---|
| Lub Chaw Ua Haujlwm Tseem Ceeb | Kev Ruaj Ntseg Kev Nyab Xeeb los tiv thaiv cov neeg ua haujlwm thiab khoom siv | Kev rho tawm hluav taws xob, tsim qhov tawg pom | Ua thiab tawg cov thauj khoom tam sim no thiab txhaum tam sim no |
| Lub Xeev Kev Ua Haujlwm | Ua haujlwm tsuas yog thaum are -} energized | Ua haujlwm tsuas yog tsis muaj kev thauj khoom tam sim no | Tuaj yeem ua haujlwm nyob rau hauv load tam sim no |
| Lub hom phiaj tseem ceeb | Kev xyuas xim | Kev rho tawm, kev tshem tawm | Tswj, tiv thaiv |
