Mfundo Yogwirira Ntchito ya Circuit Breaker

wowononga deranthawi zambiri imakhala ndi makina olumikizirana, chozimitsa cha arc, makina ogwiritsira ntchito, gawo laulendo, ndi chosungira.
Ntchito ya wowononga dera ndikudula ndi kulumikiza dera lonyamula katundu, ndikudula dera lolakwika, kuti ateteze kufalikira kwa ngozi ndikuonetsetsa kuti ntchitoyo ikuyenda bwino.Wowononga dera lapamwamba kwambiri amafunika kuthyola 1500V, ndipo panopa ndi 1500-2000A arc, ndipo ma arcswa amatha kutambasulidwa mpaka 2m ndikupitirizabe kuyaka popanda kuzimitsa.Chifukwa chake, kuzimitsa kwa arc ndivuto lomwe liyenera kuthetsedwa pamagetsi othamanga kwambiri.
Otsika-voltage circuit breakers, yomwe imadziwikanso kuti automaticmasiwichi mpweya, angagwiritsidwe ntchito kuyatsa ndi kuzimitsa mabwalo onyamula katundu, ndipo angagwiritsidwenso ntchito kuwongolera ma mota omwe amayamba pafupipafupi.Ntchito yake ndi yofanana ndi kuchuluka kwa zina kapena ntchito zonse za switch ya mpeni, relay yopitilira apo, kutayika kwamagetsi, kutumizirana matenthedwe ndi chitetezo chotayikira.Ndichida chofunikira chodzitchinjiriza pamagetsi otsika amagetsi.
Zowononga magetsi otsika zimakhala ndi ntchito zingapo zoteteza (zowonjezera,dera lalifupi, chitetezo chopanda mphamvu, etc.), mtengo wosinthika, mphamvu yowonongeka, ntchito yabwino, chitetezo, etc., kotero amagwiritsidwa ntchito kwambiri.Kapangidwe ndi mfundo yogwirira ntchito: Low-voltage circuit breaker imapangidwa ndi makina ogwiritsira ntchito, zolumikizira, zida zodzitetezera (zotulutsa zosiyanasiyana), makina ozimitsa a arc ndi zina zotero.
Kulumikizana kwakukulu kwa otsika-voltage circuit breaker kumatsekedwa pamanja kapena magetsi.Kulumikizana kwakukulu kukatsekedwa, makina oyenda mwaulere amatseka cholumikizira chachikulu pamalo otsekedwa.The koyilo ya kumasulidwa kwa overcurrent ndi thermal element of the thermal release zimalumikizidwa mu mndandanda ndimain circuit,ndipo koyilo ya kumasulidwa kwa undervoltage imalumikizidwa molumikizana ndi magetsi.Dera likakhala laling'ono kapena litalemedwa kwambiri, cholumikizira chaposachedwa chimakokera mkati kuti chiwongolero chaulele chigwire ntchito, ndipo cholumikizira chachikulu chimadula gawo lalikulu.Dongosolo likadzaza, gawo lotenthetsera la kutulutsa kwamafuta limatulutsa kutentha kuti lipindike pepala la bimetal, ndikukankhira njira yotulutsa yaulere kuti igwire.Pamene dera likuphwanyidwa, mphamvu ya kumasulidwa kwa undervoltage imatulutsidwa.Komanso imayatsa makina oyenda mwaulere.Kutulutsidwa kwa shunt kumagwiritsidwa ntchito poyang'anira kutali.Panthawi yogwira ntchito bwino, koyilo yake imazimitsidwa.Mukafunika kuwongolera mtunda, dinani batani loyambira kuti mupatse mphamvu koyilo.