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.Ana rarraba masu watsewar kewayawa zuwa na'urori masu jujjuyawar wutar lantarki mai ƙarfi da ƙananan wutar lantarki gwargwadon iyawarsu.

Ana iya amfani da na'urori masu rarraba da'ira don rarraba wutar lantarki, fara injinan da ba su dace ba ba da yawa ba, da kuma kare layin 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'urorin lantarki ne da ake amfani da su sosai.

Ƙa'idar aiki:

Gabaɗaya mai watsewar kewayawa 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 girman halin 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 sa 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 layin 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 haɗuwa 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, jujjuyawar wutar lantarki, relay thermal da ma'aunin kariya.Yana da mahimmancin kayan lantarki mai karewa a cikin hanyar sadarwar rarraba ƙarancin wuta.

Ƙarƙashin ƙarancin wutar lantarki yana da fa'idodi na ayyukan 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 ƙarfin wutar lantarki ya ƙunshi tsarin 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 juzu'i na sakewar da ke gudana da kuma ɓangaren thermal na ƙaddamarwar thermal ana haɗa su a jere tare da babban kewaye, kuma an haɗa murɗa na ƙaddamarwar ƙarancin wutar lantarki a layi daya tare da wutar lantarki.Lokacin da kewayawar ke da ɗan gajeren kewayawa ko kuma ta yi nauyi sosai, ana jan ƙulla ƙuri'ar sakin da aka yi ta wuce gona da iri 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.

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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 Ƙwaƙwalwa na Ƙaƙwalwa yana aiki a ƙarƙashin yanayi na al'ada (ba tare da katsewa ba).

Ƙimar halin yanzu (A): Wannan ita ce matsakaicin ƙimar halin yanzu wanda na'urar keɓewa sanye take da na'ura mai ɗaukar nauyi na musamman zai iya jurewa mara iyaka a yanayin yanayin yanayi da masana'anta suka kayyade, kuma ba zai wuce iyakar zafin da aka ayyana ta ɓangaren 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'irar lokacin da babban kuskuren halin yanzu ya faru, kuma iyakar tafiyarsa ita ce Im.

Ƙarfin ƙwanƙwasa gajeriyar kewayawa (Icu ko Icn): Ƙimar da aka ƙididdige ɗan gajeren da'ira na na'ura mai katsewa ita ce mafi girma (wanda ake tsammani) ƙimar halin yanzu wanda mai watsewa 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.


Lokacin aikawa: Mayu-07-2022