Nazari da Zaɓin Tsarin Gyaran Wuta don Fushin cikin gida mai zafi

Tun lokacin aiwatar da dumama shigarwa, nauyin daidaitattun sigogi za su canza tare da zafin jiki da narkewar cajin da buƙatun tsarin dumama, shigar da wutar lantarki mai dumama ya kamata ya iya daidaita ƙarfin kaya. Tun da jerin resonant inverters suna da hanyoyi daban-daban na daidaita wutar lantarki, muna buƙatar yin zaɓi masu dacewa a cikin tsarin ci gaba bisa ga ainihin aikace-aikacen da buƙatun aiki.

Hanyoyin daidaita wutar lantarki na tsarin za a iya raba gaba ɗaya zuwa nau’i biyu: daidaitawar wutar lantarki ta gefen DC da daidaita wutar lantarki ta gefen inverter.

Tsarin wutar lantarki na gefen DC shine daidaita ƙarfin fitarwa na inverter ta hanyar daidaita girman ƙarfin shigarwar mahaɗin inverter a gefen wutar lantarki na DC na inverter, wato yanayin ƙayyadaddun wutar lantarki (PAM). Ta wannan hanyar, za’a iya sarrafa nauyin a cikin resonance ko mitar aiki kusa da resonance ta matakan kulle lokaci.

Akwai hanyoyi guda biyu don daidaita ƙarfin wutar lantarki na induction dumama tanderun: gyare-gyare mai sarrafa lokaci ko gyaran da ba a sarrafa shi ta hanyar sara.

Tsarin wutar lantarki na gefen inverter shine canza yanayin aiki na kayan aiki na inverter ta hanyar sarrafa halaye masu sauyawa na na’urorin wutar lantarki na mahaɗin inverter a cikin ma’aunin inverter, don gane ka’idodin ikon fitarwa na inverter.

Za’a iya raba ƙarfin juzu’i na gefen wutar lantarki zuwa ƙwanƙwasa mitar bugun jini (PFM), pulse density modulation (PDM), da canjin yanayin motsi na bugun jini. Lokacin da aka karɓi tsarin daidaita wutar lantarki na gefen inverter, ana iya amfani da gyaran da ba a sarrafa ba a gefen DC, wanda ke sauƙaƙa da wutar makera induction dumama tanderu kuma yana inganta yanayin wutar lantarki gaba ɗaya. A lokaci guda, saurin amsawar daidaitawar wutar lantarki ta gefen inverter yana da sauri fiye da na gefen DC.

Gyaran da aka sarrafa lokaci-lokaci da daidaitawar wutar lantarki induction dumama tanderun yana da sauƙi kuma balagagge, kuma kulawa ya dace; inganci da amincin samar da wutar lantarki na daidaitawar wutar lantarki za a rage a cikin yanayi mai girma, kuma bai dace da aikin yau da kullun na wutar lantarki ba. Tsarin mitar bugun jini zai sami babban tasiri akan aikin aikin dumama saboda canjin mitar yayin tsarin daidaita wutar lantarki; pulse density modulation yana da rashin kwanciyar hankali na aiki a lokutan rufaffiyar madauki, kuma yana gabatar da hanyar daidaita wutar lantarki; daidaitawar wutar lantarki na lokaci mai bugun jini zai Ƙara asarar wutar lantarki, kamar amfani da maɓalli mai laushi, zai ƙara daɗaɗar tanderun dumama.

Haɗa fa’idodi da rashin amfani na waɗannan hanyoyin daidaita wutar lantarki guda biyar, haɗe tare da aikin wannan batu a cikin yanayi mai ƙarfi, zaɓi yin amfani da gyare-gyaren sarrafa lokaci na thyristor don daidaitawar wutar lantarki, da samun madaidaicin fitarwar wutar lantarki ta DC ta hanyar inverter ta hanyar daidaitawa. thyristor conduction kwana. Ta haka canza ikon fitarwa na mahaɗin inverter. Irin wannan hanyar daidaita wutar lantarki na induction dumama tanderun yana da sauƙi kuma balagagge, kuma sarrafawa ya dace.