An raba masu tuntuɓar zuwa masu tuntuɓar AC (voltage AC) da DC contactors (voltage DC), waɗanda ake amfani da su a cikin wutar lantarki, rarrabawa da lokutan wutar lantarki. halin yanzu don samar da filin maganadisu kuma rufe lambobin sadarwa don sarrafa kaya.
A cikin ilimin lantarki, saboda yana iya da sauri yanke ac da DC main madauki kuma yana iya kunnawa akai-akai da babban iko na yanzu (har zuwa 800A), don haka galibi ana amfani da shi a cikin motar azaman abin sarrafawa kuma ana iya amfani dashi azaman janareta na kayan aikin injin sarrafa kayan wuta. da nau'in wutar lantarki daban-daban, contactor ba zai iya kawai kunnawa da yanke da'ira ba, amma kuma suna da tasirin kariyar ƙarancin ƙarancin ƙarfin lantarki. Ƙarfin iko yana da girma, dacewa da aiki akai-akai da kuma kula da nesa, yana ɗaya daga cikin mahimman abubuwan da ke cikin tsarin kulawa ta atomatik. .
A masana'antu lantarki, akwai mutane da yawa model contactors, da kuma aiki halin yanzu bambanta a 5A-1000A, da kuma amfani ne quite tartsatsi.
Tsarin kwangila yana aiki
The aiki ka'idar na contactor ne: a lokacin da contactor nada da ake kuzari, da nada halin yanzu zai samar da Magnetic filin, da Magnetic filin sa a tsaye core samar da electromagnetic tsotsa don jawo hankalin da core, da kuma fitar da AC contactor batu mataki, sau da yawa rufe lamba. katse, sau da yawa buɗe lamba rufe, biyu suna linkage. Lokacin da nada aka powered a kashe, da electromagnetic tsotsa bace, da kuma armature da aka saki a karkashin mataki na saki spring, yin lamba. dawo, sau da yawa bude lamba yana katse, kuma sau da yawa rufaffiyar lamba yana rufe. Lambobin DC suna aiki ta wata hanya mai kama da canjin yanayin zafi.AC contactor wiring method.
1,3,5 Don samar da wutar lantarki mai mataki uku, (babban ɓangaren kewayawa)
2,4, da 6 Haɗa zuwa injin mai hawa uku
A1, A2 sune coils na contactor, wanda aka haɗa zuwa da'irar sarrafawa, da kuma motar da ke kula da kewayawa (manyan) ta hanyar sarrafa kullun na lamba (A1, A2).
13,14 yana wakiltar madaidaicin lambar sadarwa, kuma NO yana buɗewa kullum, ma'ana 13,14 an katse, kuma 13,14 yana rufe bayan kunnawa. , don cimma manufar ci gaba da aiki.
Da fari dai, manyan lambobi uku masu amfani da wutar lantarki L1, L2, L3 na contactor, sa'an nan kuma uku wayoyi daga T1, T2, T3 na contactor, sama ne babban kewaye.
Gudanar da kewayawa: daga L1 jagora zuwa maɓallin dakatar da haɗin waya (maɓallin dakatarwa sau da yawa yana rufe, maɓallin farawa sau da yawa yana buɗewa, wannan ya kamata ya sani!) Daga maɓallin tasha zuwa ƙarshen maɓallin farawa da lambar sadarwa mai lamba, sannan daga ɗayan ƙarshen ƙarshen haɗin haɗin gwiwa (wannan ɓangaren yana kulle kansa), coil A1 da coil A2 suna haɗa L2 ko L3.
Da farko, mun fara fahimtar ilimin asali da yawa na Schneider AC contactor yana da abubuwa guda biyu na asali, babban lamba da shugaban taimako, ana amfani da babban lamba don tuntuɓar kayan lantarki ko haɗa zuwa babban kewayawa, ana haɗa haɗin haɗin gwiwa zuwa sarrafawa. kewaye, ana amfani da shi don sarrafa babban kewaye.
Ana haɗa babban lambar sadarwa gabaɗaya zuwa babban kewayawa, dangane da tsari lokacin da babu buƙatu na musamman, ana haɗa haɗin haɗin gwiwa zuwa da'irar sarrafawa, gabaɗaya don zaɓar ko sau da yawa buɗe wurin tuntuɓar ko sau da yawa rufe wurin tuntuɓar. akan buƙatun madauki na sarrafawa. Gabaɗaya, idan mai tuntuɓar AC sau da yawa yana buɗewa kuma rufaffiyar lambobin sadarwa ba su isa ba, ɗauki Schneider a matsayin misali, ana iya ƙara ƙungiyar a saman. Kamar yadda aka saba buɗewa da rufaffiyar lambobi suna samuwa don amfani.
Hukunci na AC contactor sau da yawa yana buɗewa kuma sau da yawa rufe kewayon sauyawa na iya amfani da tebur na duniya, lokacin da ma'aunin tebur na duniya yana da sauti don tabbatar da madaidaicin rufaffiyar lamba, lokacin da tebur na duniya ba sauti sau da yawa buɗe lamba, danna madaidaicin. maballin sau da yawa buɗewa zai yi ringi, yawanci rufewa ba zai yi ringi ba.
Lokacin aikawa: Mayu-26-2022
