Kugawa ndi kugawa mfundo za contactors

Ma contactor ndi zinthu zofunika kwambiri m'makina amagetsi ndipo amagwiritsidwa ntchito kuwongolera kayendedwe ka magetsi mu dera. Amagwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo makina amafakitale, makina otenthetsera ndi oziziritsa mpweya, komanso zida zoyendera. Ma contactor amagawidwa malinga ndi mtundu wa mphamvu yomwe amawongolera. Magulu awiri akuluakulu ndi ma contactor a AC ndi ma contactor a DC. M'nkhaniyi, tifufuza mfundo za magulu ndi magulu a ma contactor, makamaka ma contactor a AC.

Zolumikizira za ACapangidwa kuti azilamulira alternating current (AC), mosiyana ndi ma contactor a DC, omwe apangidwa kuti azilamulira direct current (DC). Kusiyana pakati pa mitundu iwiri ya ma contactor kumadalira kwambiri dera lalikulu lomwe alumikizidwa. Ngati current mu dera lalikulu ndi AC, contactor ndi AC contactor mosasamala kanthu za voltage ya coil yowongolera. Mfundo yogawa iyi imatsimikizira kuti ma contactor amagwirizana ndi mtundu winawake wa current womwe apangidwira kuti azilamulira.

Mu gulu la AC contactor, pali mitundu iwiri ikuluikulu: electromagnetic contactor ndi vacuum contactor. Electromagnetic AC contactors amagwiritsa ntchito njira zamagetsi, machitidwe olumikizirana, zida zozimitsira arc ndi zigawo zothandizira kuti azilamulira kuyenda kwa alternating current mu main circuit. Pakati pa AC contactor pamapangidwa ndi mapepala achitsulo a silicon laminated, zomwe zimathandiza kuchepetsa eddy current ndi hysteresis zomwe zimachitika chifukwa cha alternating magnetic fields. Kuphatikiza apo, short-circuit ring imayikidwa kumapeto kwa chitsulo kuti athetse kugwedezeka ndi phokoso pamene AC current idutsa zero, kuonetsetsa kuti ntchito ikuyenda bwino komanso moyenera.

Mosiyana ndi zimenezi, ma contactor a vacuum alinso m'gulu la ma contactor a AC ndipo amapangidwira ntchito zogwiritsa ntchito mphamvu zambiri. Ma contactor awa ali ndi chipangizo chozimitsira cha ceramic arc chomwe chimayikidwa mu grid yomwe imateteza mpweya kuti usalowe m'malo omwe amapangidwa pamene contactor ikusintha ma AC circuits. Ukadaulo wapamwambawu umathandiza ma contactor a vacuum kuti azitha kugwira ntchito ndi ma AC akuluakulu molondola komanso modalirika.

Posankha cholumikizira cha AC cha ntchito inayake, ndikofunikira kuganizira mtundu ndi mphamvu ya katunduyo. Ngati makina owongolera makamaka ali ndi katundu wa AC ndipo mphamvu ya DC motor kapena DC ndi yochepa, ma contactor a AC angagwiritsidwe ntchito powongolera. Komabe, ndikofunikira kuonetsetsa kuti mulingo wamakono wa ma contactor ndi wokwanira kuthana ndi katunduyo popanda vuto lililonse.

Mwachidule, mfundo zogawa ndi kugawa ma contactor zimagwira ntchito yofunika kwambiri pakuwonetsetsa kuti makina owongolera magetsi akugwirizana komanso kugwira ntchito bwino. Ma contactor a AC amapangidwira kuwongolera mphamvu ya AC ndipo amapezeka m'mitundu yosiyanasiyana kuti agwirizane ndi mphamvu ndi ntchito zosiyanasiyana. Mwa kumvetsetsa mfundo zogawa ndikusankha contactor yoyenera pa ntchito inayake, mabizinesi amatha kuwonetsetsa kuti makina awo amagetsi akuyenda bwino komanso modalirika. Kaya ndi makina amakampani, makina otenthetsera ndi oziziritsa mpweya, kapena zida zoyendera, ma contactor a AC ndi zinthu zofunika kwambiri kuti magwiridwe antchito abwino komanso otetezeka.

Gulu la Mutai lakhala ndi zaka zoposa khumi zogwira ntchito yopanga ndi kugulitsa zinthuzosokoneza ma circuit, zolumikizira, mphamvu ziwirimaswichi osamutsa okha (ATS) ndi madera ena ofanana. Tikuyembekezera mwachidwi mwayi wogwira nanu ntchito.