Masu tuntuɓar ACAn kasu kashi AC contactors (aiki irin ƙarfin lantarki AC) da DC contactors (voltage DC), wanda ake amfani da wutar lantarki injiniya, ikon rarraba kayan aiki da wutar lantarki wurare.AC contactor bisa ka'ida yana nufin kayan aikin gida wanda ke amfani da coil don samar da filin lantarki gwargwadon adadin samar da masana'antu na yanzu don kashe mai tuntuɓar AC don sarrafa kaya.
AC contactor shi ne wutar lantarki da da'irar sarrafawa da aka saba amfani dashi azaman wutar lantarki mai sauyawa.Yana amfani da babban wurin tuntuɓar don kunnawa da kashe wutar lantarki, kuma yana amfani da farfajiyar haɗin gwiwa don aiwatar da sarrafa shirin.Babban filin tuntuɓar gabaɗaya yana da wuraren buɗewa da rufewa kawai, kuma farfajiyar haɗin gwiwa yawanci tana da nau'i-nau'i nau'i-nau'i na lamba tare da ayyukan buɗewa da rufewa kuma yawanci rufewa.Ana amfani da ƙananan masu tuntuɓar AC azaman ƙananan relays da manyan da'irori na wuta.A lamba surface na AC contactor aka yi da azurfa-tungsten gami, wanda yana da kyau lantarki watsin da thermal crack juriya.
A DC contactor ne AC contactor amfani a cikin wani DC kewaye.Ya yi daidai da mai tuntuɓar AC kuma yawanci yana da babban filin lamba.Taimaka tare da saman lamba da wuraren tuntuɓar nada.Ɗauki mai tuntuɓar DC da aka nuna a hoton a matsayin misali.Yana ɗaukar modularization kuma yana iya haɗa ayyukan taɓawa da hanyoyin taɓawa da abokan ciniki ke buƙata (sau da yawa ana kunnawa, sau da yawa kashe da canza);wannan samfurin jerin yana da babban tabawa ikon canza aiki ƙarfin lantarki da matakin hura electromagnetic filin baka kashewa , matsakaicin ikon canza ƙarfin lantarki aiki za a iya cimma 220VDC.Wannan samfurin ya dace da tsarin sarrafa tsarin sauya wutar lantarki ko software na tsarin wutar lantarki, cokali mai yatsa na lantarki, software na tsarin kayan aikin injin abin hawa na makamashi.
Siffofin tsarin da ka'idojin masu tuntuɓar DC daidai suke da na masu haɗin AC, kuma sun haɗa da ƙungiyar induction electromagnetic, software na tsarin taɓawa da kayan aiki na baka, amma ƙungiyar shigar da wutar lantarki ta bambanta.
Kullum magana, bambanci tsakanin tsarin DC contactor da AC contactor dogara a kan: baƙin ƙarfe core nada ba sauki haifar da eddy da eddy halin yanzu asara lalacewa bisa ga DC samar da wutar lantarki, don haka ba sauki don samun zafi.Domin samun sauƙin samarwa da sarrafawa, ana yin ginshiƙin baƙin ƙarfe da duk ƙaramin ƙarfe.Domin ya fi kyau yin nada zafi watsar da kyau, da nada yawanci rauni a cikin wani siririn cylindrical siffar, wanda kai tsaye tuntube da ƙarfe core, wanda yake da sauqi ga zafi watsawa.Bari mu dubi bambance-bambancen da ke tsakanin DC contactors da AC contactors.
Bambancin maɓalli shine AC contactor da DC contactor.
1. Ƙarfin baƙin ƙarfe ya bambanta: ƙarfe na ƙarfe na AC contactor zai haifar da lalacewa da asarar hasara na yanzu, yayin da mai haɗin DC ba shi da lalacewar ƙarfe.Saboda haka, baƙin ƙarfe core na AC contactor ne hada da silicon karfe faranti tare da juna insulating yadudduka, yawanci E-dimbin yawa;baƙin ƙarfe core na DC contactor an yi shi da dukan m karfe, mafi yawan su ne U-dimbin yawa.
2. Software na tsarin kashe baka ya bambanta: grid arc extinguishing kayan aiki da aka zaba don AC contactor, da kuma Magnetic hura baka kashe na'urar da aka zaba ga DC contactor.
3. Adadin jujjuyawar coil ya banbanta: yawan jujjuyawar na'uran AC kadan ne, yawan jujjuyawar na'urar wutar lantarki ta DC ya fi yawa a cikin wutar lantarki ta DC, ana raba mai tuntuɓar AC zuwa na'urar AC. kuma DC contactor aka raba zuwa wani DC kewaye.
4. Ainihin mitar aiki ya bambanta: mai tuntuɓar AC yana da babban aiki na yanzu, matsakaicin shine sau 600 / awa, kuma aikace-aikacen yana da ƙarancin farashi.Mai tuntuɓar DC na iya isa sau 2000 / awa, kuma farashin aikace-aikacen yana da inganci.
Za a iya musanya masu tuntuɓar AC da masu tuntuɓar DC?
1. A AC contactor za a iya amfani da DC contactor a cikin gaggawa, da kuma ja-in lokaci ba zai iya wuce 2 hours (saboda zafi dissipation na AC nada ya fi na DC, wanda ya ta'allaka a cikin daban-daban tsarin). .Zai fi dacewa don haɗa juriya a cikin jerin tare da coil AC, amma DC ba zai iya maye gurbin mai haɗin AC ba;
2. Yawan juyawa na AC contactor coil kadan ne, kuma adadin jujjuyawar na'urar tuntuɓar DC ɗin tana da girma.Lokacin da na yanzu na babban ikon da'irar ya yi girma (IE250A), mai tuntuɓar AC yana amfani da na'ura mai jujjuyawar iska guda biyu;
3. Relay na'ura mai juyi na DC yana da girma kuma na yanzu karami ne.Idan ba a sauƙaƙe ta hanyar haɗi zuwa wutar AC ba, da fatan za a sanya shi nan da nan.Duk da haka, na'ura mai ba da hanya tsakanin hanyoyin sadarwa AC tana da ƙaramin resistor da yawan adadin halin yanzu.Idan an haɗa ta da wutar lantarki da aka kayyade ta DC, za a lalata nada;
4. Yawan juyawa na AC contactor coil kadan ne kuma resistor kadan ne.Lokacin da nada ya shiga a madadin halin yanzu, za a sami babban juriya na induction na maganadisu, wanda ya zarce juriya na nada.Makullin ƙarfin zumuɗi na nada shine girman juriyar juriyar shigar da maganadisu.Idan halin yanzu na DC zai shiga ciki, nada zai zama kaya mai juriya zalla.A wannan lokacin, adadin na yanzu da ke wucewa ta cikin nada zai zama babba musamman, yana sa na'urar ta yi zafi ko ma ta kone.Don haka, ba za a iya amfani da masu tuntuɓar AC azaman masu tuntuɓar DC ba.
Lokacin aikawa: Afrilu-30-2022
