Babban falsafar ƙira na relays ya ta'allaka ne wajen samun ƙaramin{0}} sarrafa wutar lantarki mai girma{1}}ƙara, keɓewar lantarki, da haɓaka sigina, tare da la'akari da aminci, amintacce, da buƙatun fasaha.
Masana'antu Automation: PLC kula da mota fara / tsayawa da solenoid bawul a kan / kashe; Tasha gaggawa (ESD) a cikin da'irar aminci.
Tsarin Wutar Lantarki: Canjin da'ira da kariya a cikin kabad ɗin rarraba (misali, relays masu wuce gona da iri); DC -canzawar gefe da sarrafa inverter a cikin tsarin photovoltaic;
Smart Homes: Ikon nesa na fitilu da kwandishan; tsarin ƙararrawa na tsaro.
Saurin sauyawa da saurin amsawa; yana nisantar kura-kurai na relays na gargajiya kamar su amo, tartsatsin wutar lantarki, da kamuwa da tsoma bakin lantarki; wasu ƙaƙƙarfan ƙaƙƙarfan - relays na jihohi suna haɗa ganowa da ayyukan kariya, suna ba da babban abin dogaro da tsawon rayuwar sabis; duk da haka, rashin keɓantawa na iya haifar da ɗigogi a halin yanzu a cikin da'irar aiki da ingantaccen ƙarfin lantarki, yana buƙatar la'akari da zubar da zafi na na'urar.
Relay shine canjin da ke sarrafa wutar lantarki wanda ke sarrafa babban da'irar wuta mai ƙarfi tare da ƙaramar siginar wuta, ana amfani da ita sosai wajen sarrafa sarrafa kansa, tsarin wutar lantarki, da kayan lantarki.
Ana amfani da siginar shigarwa (lantarki, maganadisu, na gani, da sauransu) don sarrafa kunnawa / kashewa ko sauyawar da'irar fitarwa, ta yadda ake samun keɓewar lantarki da haɓaka sigina.
