Lub Cev Logic ntawm Circuit Breaker Tripping: Yuav Ua Li Cas Thermal thiab Sib Nqus Tiv Thaiv Ua Haujlwm - Blog

Lub cev qhov tseem ceeb ntawm kev mus ncig hauv Circuit Court breaker yog nyob rau hauv kev siv thermal thiab electromagnetic cuam tshuam los ntes overcurrent thiab tsav lub tripping mechanism los txiav tawm Circuit Court. Kev tiv thaiv hluav taws xob tiv thaiv overloads, thaum tiv thaiv magnetic teb nyob rau luv luv circuits; Lawv cov kev khiav hauj lwm mechanisms yog raws li nram no:

Thermal Protection (Kev tiv thaiv overload)

Lub cev Mechanism:Raws li cov thermal nyhuv ntawm hluav taws xob tam sim no. Thaum qhov tam sim no nyob rau hauv Circuit Court tshaj qhov ntsuas tus nqi rau ib lub sij hawm ncua (xws li, 1.13 mus rau 1.45 lub sij hawm lub rated tam sim no), internal heat generates intensifies.

Kev Ua Haujlwm:Thaum tshav kub kub ua rau ib daim hlab bimetallic deform thiab khoov. Thaum khoov mus txog ib qho taw tes, nws actuates lub mechanism, ua rau lubCircuit Court breakermus txawv tebchaws.

Cov yam ntxwv thiab kev ua haujlwm:Nws nthuav tawm "inverse-time" yam ntxwv- txhais tau tias qhov siab dua qhov tam sim no, lub sijhawm luv dua. Nws feem ntau yog siv los tiv thaiv cov xov hlau thiab cables, tiv thaiv kev laus los yog hluav taws kub nyhiab los ntawm cov cua sov.

Kev tiv thaiv sib nqus (luv-Circuit Protection)

Lub cev Mechanism:Raws li cov nyhuv electromagnetic ntawm hluav taws xob tam sim no. Thaum tam sim ntawd, luv luv -circuit tam sim no tshwm sim (feem ntau yog 5 mus rau 12 npaug ntawm qhov ntsuas tam sim no lossis siab dua), lub zog sib nqus hauv lub tshuab hluav taws xob electromagnetic surges tam sim ntawd.

Kev Ua Haujlwm:Lub zog hlau nplaum muaj zog kov yeej qhov kev tawm tsam ntawm lub txee- quab yuam caij nplooj ntoos hlav, ua kom lub tshuab hluav taws xob los tsim cov khoom nqus uas rub cov tub ntxhais hlau; no core ncaj qha ntaus thiab ua rau lub tripping mechanism.

Cov yam ntxwv thiab kev ua haujlwm:Nws ua haujlwm instantaneously (muab "instantaneous trip" tiv thaiv), txiav tawm Circuit Court nyob rau hauv milliseconds. Nws yog feem ntau siv los yuam cov neeg sib nrug thaum lub sijhawm luv luv, yog li tiv thaivkhoom siv hluav taws xobthiab ua kom muaj kev nyab xeeb ntawm tus kheej.

Hauv cov ntsiab lus

A Circuit Court breakermus txawv tebchaws feem ntau yog ib txwm tshwm sim los ntawm lub breaker txoj kev tiv thaiv muaj nuj nqi; nws yog ib qho kev tiv thaiv ua rau teb rau qhov ua txhaum. Nws yuav yog qhov txawv txav rau qhov system kom muaj qhov tsis ua haujlwm yam tsis muaj lub breaker tripping. Peb lub luag haujlwm yog txhawm rau txheeb xyuas tam sim thiab daws qhov txhaum kom rov qab muaj kev nyab xeeb thiab ua haujlwm zoo li qub.

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