Mai watsewar kewayawa

Mai watsewar kewayawa yana nufin na'urar da za ta iya rufewa, ɗauka da karya halin yanzu a ƙarƙashin yanayin da'irar ta al'ada kuma tana iya rufewa, ɗauka da karya halin yanzu ƙarƙashin yanayin da'ira mara kyau a cikin ƙayyadadden lokaci.An raba masu keɓewar da'ira zuwa manyan na'urori masu ɗaukar wutar lantarki da na'urori masu ƙarancin wutar lantarki gwargwadon iyawar su.

Ana iya amfani da na'urori masu watsewa don rarraba wutar lantarki, fara injinan da ba su dace ba ba da yawa ba, da kuma kare layukan samar da wutar lantarki da injina.Lokacin da suke da nauyi mai tsanani ko gajeriyar da'ira da rashin ƙarfi, za su iya yanke da'ira ta atomatik.Ayyukansa yayi daidai da fuse switch.Haɗuwa tare da overheating da underheating gudun ba da sanda, da dai sauransu. Bugu da ƙari, ba lallai ba ne don canza abubuwan da aka gyara bayan karya halin yanzu.An yi amfani da shi sosai.

Rarraba wutar lantarki wata hanya ce mai matukar mahimmanci wajen samarwa, watsawa da amfani da wutar lantarki.Tsarin rarraba wutar lantarki ya haɗa da na'urorin lantarki masu girma da ƙarancin wuta daban-daban, kuma ƙarancin wutar lantarki na'urar lantarki ce da ake amfani da ita sosai.

Ƙa'idar aiki:

Mai watsewar kewayawa gabaɗaya ya ƙunshi tsarin tuntuɓar, tsarin kashe baka, tsarin aiki, saki, da casing.

Lokacin da ɗan gajeren da'ira ya faru, filin maganadisu wanda babban halin yanzu ke haifar (gabaɗaya sau 10 zuwa 12) yana shawo kan ƙarfin lokacin bazara, sakin yana jan tsarin aiki don yin aiki, kuma sauyawa yana tafiya nan take.Lokacin da aka yi yawa, na yanzu ya zama ya fi girma, haɓakar zafi yana ƙaruwa, kuma takardar bimetallic ta lalace zuwa wani matsayi don inganta aikin na'ura (mafi girma na yanzu, ya fi guntu lokacin aiki).

Akwai nau'in lantarki, wanda ke amfani da transfoma don tattara halin yanzu na kowane lokaci kuma yana kwatanta shi da ƙimar da aka saita.Lokacin da halin yanzu ba daidai ba ne, microprocessor yana aika sigina don sanya sakin lantarki ya motsa tsarin aiki don aiki.

Ayyukan na'ura mai ba da hanya tsakanin hanyoyin sadarwa shine yankewa da kuma haɗa da'irar kaya, da kuma yanke kuskure, hana haɗarin faɗaɗawa, da tabbatar da aiki lafiya.Babban mai jujjuyawar wutar lantarki yana buƙatar karya 1500V arcs tare da halin yanzu na 1500-2000A.Ana iya shimfiɗa waɗannan baka har zuwa 2m kuma a ci gaba da ƙonewa ba tare da an kashe su ba.Don haka, kashe baka matsala ce da dole ne masu fasa wutar lantarki su warware.

Ka'idar busa baka da kashe baka shine galibi don sanyaya baka don rage rabuwar zafi.A gefe guda kuma, don tsawaita baka ta hanyar busa baka don ƙarfafa sake haɗawa da yaduwar ƙwayoyin da aka caje, kuma a lokaci guda, ƙwayoyin da aka caje a cikin tazarar baka suna busa, kuma ƙarfin dielectric na matsakaici ya dawo da sauri. .

Ana iya amfani da na'urori masu ƙarancin wutar lantarki, wanda kuma aka sani da na'urar kunna iska ta atomatik, don kunnawa da kashe na'urori masu ɗaukar nauyi, kuma ana iya amfani da su don sarrafa injin da ke farawa ba da yawa ba.Ayyukansa yayi daidai da jimlar wasu ko duk ayyukan na'urorin lantarki kamar sauya wuka, relay mai jujjuyawa, isar da wutar lantarki, gudun ba da sandar zafi da mai kare yatsan ruwa.Yana da mahimmancin kayan lantarki mai karewa a cikin hanyar sadarwar rarraba ƙarancin wuta.

Ƙarƙashin ƙarancin wutar lantarki yana da fa'idodi na ayyuka masu kariya da yawa (yawanci, gajeriyar kewayawa, kariyar ƙarfin lantarki, da sauransu), ƙimar aikin daidaitacce, babban ƙarfin karya, aiki mai dacewa, da aminci, don haka ana amfani da su sosai.Tsari da ƙa'idar aiki Ƙarƙashin wutar lantarki ya ƙunshi injin aiki, lambobin sadarwa, na'urorin kariya (saki iri-iri), da tsarin kashe baka.

Babban lambobin sadarwa na ƙananan wutar lantarki masu rarraba wutar lantarki ana sarrafa su da hannu ko kuma an rufe su ta hanyar lantarki.Bayan an rufe babban lamba, tsarin tafiya kyauta yana kulle babban lamba a cikin rufaffiyar wuri.Ƙunƙarar jujjuyawar jujjuyawar juzu'i da ma'aunin zafin jiki na fitarwar thermal ana haɗa su a cikin jeri tare da babban kewayawa, kuma ana haɗa murɗa na sakin ƙarancin wutar lantarki a layi daya tare da samar da wutar lantarki.Lokacin da kewayawar ke da ɗan gajeren kewayawa ko kuma an yi nauyi sosai, an jawo ƙwaƙƙwaran abin da ke fitowa daga sama don yin aikin tafiye-tafiye na kyauta, kuma babbar hanyar sadarwa tana katse haɗin babban kewaye.Lokacin da da'irar ta cika da yawa, ɓangaren thermal na sakin zafi zai yi zafi ya lanƙwasa bimetal, yana tura tsarin sakin kyauta don aiki.Lokacin da kewayawa ba ta da ƙarfi, an sake sakin ƙugiya na ƙarancin wutar lantarki.Hakanan kunna tsarin tafiya kyauta.Ana amfani da sakin shunt don sarrafa nesa.Yayin aiki na yau da kullun, ana kashe nadar sa.Lokacin da ake buƙatar sarrafa nisa, danna maɓallin farawa don ƙarfafa coil.

Babban fasali:

Siffofin na'urar kashe wutar lantarki sun haɗa da: ƙimar ƙarfin lantarki Ue;rated halin yanzu In;kariya mai yawa (Ir ko Irth) da kariyar gajeriyar kewayawa (Im) tarwatsa kewayon saitin yanzu;rated short-circuit breaking current (Ma'aikacin da'ira Icu; Mai watsewar gida Icn ) Jira.

Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa na Ƙaƙwalwa ) ke aiki da shi ke aiki a ƙarƙashin yanayi na yau da kullum (marasa yankewa).

Ƙimar halin yanzu (A): Wannan ita ce matsakaicin ƙimar halin yanzu wanda na'urar keɓewar da'ira sanye take da na'urar tafi da gidanka ta musamman za ta iya jurewa mara iyaka a yanayin yanayin yanayi da masana'anta suka kayyade, kuma ba zai wuce iyakar zafin jiki da aka ayyana ta bangaren ɗaukar hoto na yanzu ba.

Tafiyar gudun ba da hanya ta gajeriyar ƙimar saitin yanzu (Im): Ana amfani da gudun ba da sanda na gajeriyar hanya (nan take ko gajeriyar jinkiri) don saurin ɓata mai watsewar da'ira lokacin da babban kuskuren halin yanzu ya auku, kuma iyakar tafiyarsa ita ce Im.

Ƙarfin karya gajeriyar kewayawa (Icu ko Icn): Ƙimar da aka ƙididdige ɗan gajeren da'ira na na'ura mai watsewa ita ce mafi girma (wanda ake tsammani) ƙimar halin yanzu wanda mai watsewar zai iya karya ba tare da ya lalace ba.Ƙimar halin yanzu da aka bayar a cikin ma'auni shine ƙimar rms na ɓangaren AC na kuskuren halin yanzu, kuma sashin wucin gadi na DC (wanda koyaushe yana faruwa a cikin mafi munin yanayi gajere) ana ɗauka ba zero ba yayin ƙididdige ƙimar daidaitaccen ƙimar. .Ana ba da ƙididdige ƙimar da'ira na masana'antu (Icu) da ƙimar da'ira ta gida (Icn) a cikin kA rms.

Ƙarfin karya gajeriyar kewayawa (Ics): Ƙarfin da aka ƙididdige ƙarfin mai watsewar kewayawa ya kasu zuwa nau'i biyu: ƙididdiga na ƙarshe na ƙarfin karya gajeriyar kewayawa da ƙididdige ƙarfin karya gajeriyar kewayawa.