Yanayin mayar da martani na makamashi yana ba da damar ciyar da makamashin baya zuwa grid ta hanyar juyar da wutar lantarki mai sabuntawa da aka samar lokacin da aka birki motar zuwa cikin madaidaicin halin yanzu a daidai mitar grid, maimakon cinye makamashi ta hanyar resistors. Babban tsarinsa sun haɗa da:
Canjin makamashi: A cikin yanayin samar da wutar lantarki na injin lantarki, iskar stator yana haifar da juzu'i na induction halin yanzu, wanda ke ƙara ƙarfin bas ɗin DC bayan gyara ta inverter.
Inverse iko: Lokacin da motherboard ƙarfin lantarki wuce kofa (misali 1.2 sau da tasiri darajar grid irin ƙarfin lantarki), da controllable transformer (misali IGBT) canza zuwa aiki inverted jihar, reversing da DC zuwa AC zuwa wutar lantarki grid.
Daidaitawar aiki tare: da'irar sarrafawa tana gano wutar lantarki, mita da lokaci a cikin ainihin lokaci don tabbatar da cewa an daidaita ra'ayi na halin yanzu tare da grid kuma don guje wa gurɓatar jituwa.
Maɓalli da Ayyuka
Module Power
Ya ƙunshi IGBT, wanda ke sarrafa jagorar kwararar kuzari ta hanyar daidaitawar PWM don cimma gyare-gyare da sauya yanayin juyawa.
Bukatar jure manyan girgizar wuta, kamar mai sauya mitar wutar lantarki ta amfani da na'urori masu quadrant guda huɗu don tallafawa kwararar kuzarin bidirectional.
Tace zagaye
Ana tace babban matakin jituwa wanda tsarin juyawa ya haifar, yawanci yana kunshe da da'irori na LC, don tabbatar da ingancin martanin ya dace da ma'aunin grid.
Sarrafa da'ira
Tsayawa daidaita kusurwar inverter mai faɗakarwa don kula da kwanciyar hankali na motherboard (kamar rage ikon amsawa ta atomatik lokacin da wutar lantarki ya canza).
Yanayin Aikace-aikace na al'ada
Kayan aiki na ɗagawa: Lokacin fitar da kaya masu nauyi, motar tana haifar da ƙarfi, kuma sashin amsawar makamashi na iya dawo da sama da kashi 80 na makamashin da ake sabuntawa.
Tsarin elevator: Masu sauya mitar mitoci huɗu suna samun tanadin makamashi ta hanyar birki na amsawa, kamar ƙirar gyaran wutan lantarki.
Traffic Rail Traffic: Babban ra'ayi mai ƙarfi lokacin da birki na jirgin ƙasa, yana buƙatar goyan bayan daidaitawar grid.
Kwatanta birkin amfani da makamashi da birki na amsawa
Halayen Amfani da Makamashi Feedback Energy Brake
Makamashi don Juriya da Amsar Amfani da Zafi zuwa Sake Amfani da Grid
Ƙananan inganci (sharar da makamashi) Babban (yawan adana makamashi har zuwa 30%)
Ƙananan farashi (juriyar birki kawai ake buƙata) Babban farashi (hadaddun sarrafa baya da ake buƙata)
Ƙarfin da ake amfani da shi Ƙarami da matsakaici (<100kW) Babban iko (> 100kW)
Kalubalen Fasaha da Magani
Daidaituwar Grid
Wajibi ne a gano kewayon jujjuyawar wutar lantarki na grid (misali ± 20%) don guje wa ra'ayoyin da ke shafar grid.
Harmonic suppression
Rage THD (cikakken murdiya masu jituwa) zuwa <5% ta amfani da tacewa mai matakai da yawa (kamar LC+ tacewa mai aiki).
Martani mai ƙarfi
Dole ne da'irar sarrafawa ta kammala canjin yanayin cikin 10ms don hana wuce gona da iri na layin bas.