<Nebula 630 kW Mai Canja-Ajiya mai ƙarfi (NEPCS-6301000-E101)

3.Canjin yanayi
Lokacin da aka kunna mai canzawa zuwa rufewar farko, tsarin sarrafawa zai kammala binciken kansa don tabbatar da amincin tsarin sarrafawa da firikwensin.Allon taɓawa da DSP suna farawa kullum kuma mai canzawa ya shiga yanayin rufewa.Yayin rufewa, mai canza makamashi yana toshe bugun IGBT kuma yana cire haɗin masu haɗin AC/DC.Lokacin da ake jiran aiki, mai sauya makamashi yana toshe bugun IGBT amma yana rufe masu tuntuɓar AC/DC kuma mai canzawa yana cikin jiran aiki mai zafi.
● Rufewa
Mai sauya wutar lantarki yana cikin yanayin kashewa lokacin da ba a karɓi umarni na aiki ko jadawalin da aka karɓa ba.
A yanayin kashewa, mai canzawa yana karɓar umarnin aiki daga allon taɓawa ko kwamfuta ta sama kuma yana canjawa daga yanayin kashewa zuwa yanayin aiki lokacin da yanayin aiki ya cika.A yanayin aiki, mai canzawa yana tafiya daga yanayin aiki zuwa yanayin kashewa idan an karɓi umarnin kashewa.
● Jiran aiki
A cikin yanayin jiran aiki ko yanayin aiki, mai canzawa yana karɓar umarnin jiran aiki daga allon taɓawa ko kwamfuta ta sama kuma yana shiga yanayin jiran aiki.A cikin yanayin jiran aiki, mai mu'amala da AC da DC na mai canzawa suna rufewa, mai musanya yana shiga yanayin aiki idan an karɓi umarni na aiki ko tsari.
● Gudu
Ana iya raba hanyoyin aiki zuwa yanayin aiki guda biyu: (1) yanayin aiki na kashe-gid da (2) yanayin aiki mai haɗin grid.Ana iya amfani da yanayin da aka haɗa grid don yin caji da yin caji.A cikin yanayin haɗin grid, mai canzawa yana da ikon aiwatar da ƙa'idar ingancin wutar lantarki da sarrafa wutar lantarki.A cikin yanayin kashe-grid, mai canzawa zai iya samar da ingantaccen ƙarfin lantarki da fitowar mitar zuwa kaya.
● Laifi
Lokacin da injin ya yi rauni ko yanayin waje ba su cikin kewayon halal ɗin aiki na injin, mai canzawa zai daina aiki;cire haɗin AC da DC contactors nan da nan ta yadda babban da'irar na'ura ya katse daga baturi, grid ko load, a lokacin da ya shiga wani kuskure.Injin yana shiga yanayin kuskure lokacin da aka cire wutar lantarki kuma an goge laifin.
3.Yanayin aiki
Hanyoyin aiki na mai sauya za a iya raba su zuwa hanyoyin aiki biyu: (1) yanayin aiki na kashe-grid da (2) yanayin aiki mai haɗin grid.
• Yanayin da aka haɗa Grid
A cikin yanayin haɗe-haɗe, mai canzawa zai iya yin caji da ayyukan caji.
Cajin ya haɗa da caja na yau da kullun (DC), cajin wutar lantarki akai-akai (DC), cajin wuta akai-akai (DC), cajin wuta akai-akai (AC), da sauransu.
Fitar da wutar lantarki ya haɗa da ci gaba na yau da kullun (DC), cajin wutar lantarki akai-akai (DC), wutar lantarki akai-akai (DC), ƙaddamar da wutar lantarki akai-akai (AC), da sauransu.
• Yanayin kashe-grid
A cikin yanayin kashe-grid, ana fitar da batura don samar da wutar lantarki akai-akai da mitar wutar AC wanda aka kimanta a 250kVA zuwa kaya.A cikin tsarin microgrid, ana iya cajin batura idan wutar da janareta na waje ke samarwa ya fi ƙarfin da kaya ke cinyewa.
• Canjin yanayi
A cikin yanayin da aka haɗa grid, ana iya aiwatar da sauyawa tsakanin caji da fitarwa na mai canza makamashin ajiya kai tsaye, ba tare da buƙatar shigar da yanayin jiran aiki ba.
Canjawa tsakanin yanayin caji da caji da yanayin inverter mai zaman kansa ba zai yiwu ba a gaban grid.Lura: Ban da yanayin sauyawa mara kyau.
Dole ne babu kasancewar grid don inverter mai zaman kansa yayi aiki.Lura: Ban da aiki a layi daya.
4.Basic kariya aiki
Mai juyawa mai hankali yana da ingantaccen aikin kariya, lokacin da ƙarfin shigar da wutar lantarki ko keɓantawar grid ya faru, zai iya aiki yadda yakamata don kare amintaccen aiki na mai canzawa har sai banda ya warware sannan ya ci gaba da samar da wutar lantarki.Abubuwan kariya sun haɗa da.
Kariyar juyar da polarity na baturi
• DC over-voltage/karkashin ƙarfin lantarki kariya
• DC fiye da halin yanzu
• Kariyar gefen grid akan/ƙarƙashin ƙarfin lantarki
• Gefen Grid akan kariyar yanzu
• Gefen Grid sama da/ƙarƙashin kariyar mitar
• Kariyar kuskuren module IGBT: IGBT module akan-kariya na yanzu, IGBT module akan zafin jiki
• Transformer/Inductor akan yawan zafin jiki
• Kariyar haske
• Kariyar tsibiri mara shiri
• Kariyar yanayi fiye da zafin jiki
• Kariyar gazawar lokaci (jerin lokaci mara kyau, asarar lokaci)
• Kariyar rashin daidaituwa ta wutar lantarki AC
• Kariyar gazawar fan
• AC, DC gefen babban contactor gazawar kariya
Kariyar gazawar samfurin AD
Kariyar gajeriyar kewayawa ta ciki
• Abun DC fiye da kariya