Yanzu zango - iri-iri da kuma na'urar

Yanzu gudun ba da sanda - a na'urar da aka saba amfani ga alama yanzu ya wuce a wasu sarrafawa kewaye. Har ila yau, an yi amfani da musaki da kewaye a taron na short haihuwarka ko overloads. Gangarowa a ɓoye zango da aka yi amfani da yawa kasa akai-akai. Irin na'urorin aka tsara don tearing lantarki kewaye a lokacin da wani m halin yanzu darajar.

Akwai su da yawa daban-daban na lantarki na'urorin irin ikon sauya. Suka sãɓã wa jũna a yi da kuma aiki ka'idojin. Idan muka magana game da abin da ake kira gargajiya kayan aiki, shi ne m anga a kan ruwa, abin da iko da lambobi da kuma nada core (yawanci baƙin ƙarfe). Lokacin da na yanzu ya wuce ta nada Halicci Magnetic filin daga a wasu girma. Game da mataki na wannan Magnetic filin ne magnetized da nada core fara jawo hankalin da armature. Saboda haka, lambobinka za a jawo.

A nada daga cikin na'ura qunshi 'yan windings, amma yana da babban diamita waya (as tsayayya da su, msl, wannan ƙarfin lantarki zango). A diamita da waya dogara a kan halin yanzu, ko fiye daidai, da girma da kiyasta halin yanzu darajar. Wannan cinma wani irin ƙarfin lantarki drop. Wannan yana da muhimmanci sosai, saboda nada an haɗa a jerin ga sarrafawa kewaye.

Wasu DC zango da daidaitacce halin yanzu tafiya. A mafi yawan lokuta, wannan da aka samu ta hanyar canza armature spring tashin hankali. Relay AC, wanda aka yi amfani don sarrafa high igiyoyin za a iya sauya ta hanyar gidajen wuta.

A mafi muhimmanci halayyar wannan m na'urar ne da mayar da martani lokaci. Na'urorin na irin wannan da cewa za a iya amfani da kariya a kan short haihuwarka da sharuddan sauyawa lokacin ba fiye da da dama dubun ƴan daƙiƙa.

M jihar gudun ba da sanda DC kewaye aikin da bata lokaci ba a lokacin da katse. Wannan gusar da yiwuwar ƙarya galaba a yanayin saukan short-lokaci yanzu ƙaruwa. Irin wannan na'ura yawanci yana da iko da aiki lokaci.

Daya daga cikin mafi kowa iri m na'urorin ne thermal gudun ba da sanda na yanzu. Yana da wani bimetallic farantin, bayar da dumama rabi sanya daga wani abu da wani babban resistivity (msl, nichrome). Farantin an hada da kayan da daban-daban coefficient na thermal fadada, wanda bends kan dumama da kuma abubuwa a kan canza inji. A mayar da martani lokaci na irin wannan na'urar sun dogara ne akan halin yanzu - da hakan shi ne, da mafi hanzari warmed up farantin, da karami martani lokaci.

An lantarki overcurrent gudun ba da sanda ga yin amfani da kusan instantaneous obalodi tuntube. lantarki gudun ba da sanda kewaye iya aiwatar da sakonni daidai da qayyadedden sigogi da kuma halaye a gaba. Za ka iya saita canja iyakar halin yanzu kuma lokaci da bata lokaci ba a lokacin da disconnecting. Irin wannan halin yanzu zango iya zama canji da kuma constants. Wadannan na'urori sau da yawa zo a cikin nau'i na gina-in ga mutane da yawa na'urorin.