Bambance-bambancen relay: manufa da iyaka

Difrele da difautomats na'urori iri ɗaya ne. Sun bambanta a cikin ƙira da ka'idar aiki. Bari mu yi la'akari dalla-dalla da fasali da bambance-bambancen su.

Siffofin asali

Difrel wata na'ura ce da ke kare masu amfani da wutar lantarki a cikin hulɗa kai tsaye tare da farfajiyar da ke gudana. Misali, waya mara rufewa, na'urar lantarki, wacce jikin ta ke da kuzari.

Bambance-bambancen gudun hijira - Na'urorin da ake buƙata don kariya daga gobara a kan kayan aiki tare da lalacewa mai lalacewa da rashin kuskuren wayar lantarki. Waɗannan RCDs suna buɗe kewaye lokacin da suke faruwa a cikin wayoyi idan rashin daidaituwa na yanzu ya faru.

Masana'antu suna samar da nau'ikan difrele guda biyu:

• AC irin. An ƙera irin wannan relays don amsawa ga yayyowar madaidaicin igiyoyin sinusoidal.
• Nau'in A. An tsara shi don shigarwa a cikin waɗancan da'irori waɗanda ke ciyar da kayan aiki waɗanda ke da masu gyara ko thyristors a cikin abun da ke ciki. Wato, inda, a cikin yanayin lalacewar insulation, yayyo na duka kai tsaye da kuma alternating current yana faruwa. Ana samun umarnin shigar irin wannan relays a cikin umarnin aiki don wasu kayan aikin gida.

Yaya difrele ya bambanta da difavtomat?

Difrele ko RCD tare da automaton daban-daban yana da wasu kamanceceniya, musamman na waje, amma ƙa'idar aiki na waɗannan na'urori sun bambanta sosai. Bambancin gudun ba da sanda ya ƙunshi nazarin vector nan take na halin yanzu a cikin lokaci - 0.

Idan jimlar vectors ɗin ba sifili ba ne, injin yana karɓar sigina don buɗe kewaye, wato, yana amsawa ga ɗigon wutar lantarki. Difavtomat yana amsa abubuwan da ake kira overcurrents waɗanda ke faruwa a lokacin yin nauyi da gajeriyar kewayawa, kodayake wasu daga cikin waɗannan na'urori kuma suna amsa ɗigogi a cikin ƙasa na yanzu, suna yin ayyukan atomatik da relay a lokaci guda.

Tun da difrele da difautomat suna kama da kamanni, yana da wahala ga mai son lantarki ya bambanta su - kuna buƙatar sanin alamun. Haka ne, da kuma shigar da na'urorin da za su iya kare kariya daga gobara kuma, a sakamakon haka, tabbatar da lafiyar rayuwa da lafiya, yana da kyau a amince da ƙwararrun masu sana'a.

Ana ɗora waɗannan raka'a bayan mitar gabatarwa a cikin rukunin lantarki akan tsayayyen dogo na DIN. A irin ƙarfin lantarki na 220 V, suna da tashoshi biyu a shigarwa da biyu a wurin fitarwa. A cikin masana'antun masana'antu da kuma wuraren da aka samar da wutar lantarki na 380 V, ana shigar da tashoshi hudu a shigarwa da fitarwa. Dole ne a yi la'akari da waɗannan nuances don ingantaccen aiki na na'urorin.