Nzira yechinyakare yeparallel mode inoshandisa manual parallel, iyo inotora nguva uye inonetsa, uye mwero we automation wakaderera, uye sarudzo yeparallel timing ine hukama hwakanaka nehunyanzvi hwekushanda hweparallel operator. Kune zvinhu zvakawanda zvevanhu, uye zviri nyore kuoneka large impulse current, iyo inokonzera kukuvara kweseti yejenareta yedhiziri uye inopfupisa hupenyu hweseti yejenareta yedhiziri. Naizvozvo, Cummins inosuma musimboti wekushanda uye dhizaini yedunhu re automatic synchronous parallel controller yeseti yejenareta yedhiziri. Iyo synchronous parallel controller ine chimiro chiri nyore, kuvimbika kwakanyanya uye kukosha kwakanyanya kweinjiniya.
Mamiriro akakodzera ekushanda kweseti yejenareta pamwe negrid yemagetsi kana seti yejenareta ndeyekuti mamiriro mana emagetsi ari kumativi ese ecircuit yakabatana, γbreaker akafanana, kureva kuti, kutevedzana kwechikamu chemagetsi kumativi ese edivi rakabatana uye divi resystem kwakafanana, voltage yakaenzana, frequency yakaenzana, uye musiyano wechikamu zero.
Kuvapo kwemusiyano wemagetsi uye musiyano wefrequency kuchaita kuti pave nekutsinhana kwesimba reactive uye simba rinoita basa kumativi ese e grid connection moment nenzvimbo yekubatanidza, uye grid kana generator set ichakanganiswa kusvika pamwero wakati. Kusiyana neizvi, kuvapo kwemusiyano wephase kuchakonzera kukuvara kwejenareta set, izvo zvichakonzera sub-synchronous resonance uye kukuvadza jenareta. Saka, automatic synchronous parallel controller yakanaka inofanira kuve nechokwadi chekuti musiyano wephase uri "zero" kuti ipedzise grid connection, uye kuti kukurumidzise maitiro ekubatanidza grid, kubvumira musiyano wakasiyana wevoltage uye musiyano wefrequency.
Module ye synchro inoshandisa analog circuit control system, inoshandisa classical PI control theory, ine mabhenefiti echimiro chiri nyore, mature circuit, good transient performance nezvimwewo. Nheyo yekushanda ndeiyi: Mushure mekugamuchira mirairo ye synchronous input, automatic synchronizer inoona ma AC voltage signals maviri pama units maviri anofanira kubatanidzwa (kana grid ne unit), inopedzisa phase comparison uye inogadzira analog DC signal yakagadziriswa. Signal inogadziriswa ne PI arithmetic circuit uye inotumirwa ku parallel end ye electronic speed control controller yeinjini, kuitira kuti mutsauko we phase pakati pe unit imwe neimwe (kana power grid) unyangarike munguva pfupi. Panguva ino, mushure mekunge synchronization detection circuit yasimbisa synchronization, output closing signal inopedzisa synchronization process.
Nguva yekutumira: Gumiguru-24-2023