Njengamanje, ikhono elingcono kakhulu lokulawula i-harmonic emakethe isihlungi esisebenzayo se-APF esine-voltage ephansi esakhiwe futhi sakhiqizwa yi-Hongyan Electric.Lena ingxenye ye-elekthronikhi yamandla esekelwe ekuqaphelweni kwamanje kanye nobuchwepheshe besingeniso samanje.Ingxenye yamanje ye-harmonic ezonxeshezelwa itholakala ngokuya ngomthwalo wokuqapha we-waveform yamanje.Ngokulawula i-trigger ye-IGBT, ubuchwepheshe bokuguqulwa kokuguquguquka kobubanzi be-pulse busetshenziselwa ukwethula ama-harmonics, izingxenye ezisebenzayo kanye nama-currents ngokuphambene nesistimu yokusabalalisa amandla ukuze kuzuzwe umphumela wokuqeda ama-harmonics.Isihlungi esisebenzayo singadlula cishe ama-95%, ngaleyo ndlela sithuthukise isici sokuphepha nokuthembeka kwesistimu yokuphakelwa kwamandla, futhi sifinyelele umgomo wokuvikelwa kwemvelo, ukonga amandla kanye nokuthuthukisa ukusebenza kahle.
Ukucatshangelwa kwemithetho yenkampani yensiza kuwumshayeli obalulekile wezinkampani ukuthi zisebenzise ukubusa okuvumelanayo.Inkampani ephakela amandla kagesi iphoqelekile ukuthi ikhiqize amandla kagesi afanelekile kumakhasimende obunjiniyela bamandla.Ngakho-ke, inkampani yokuphakela amandla iphakamisa izimfuneko zokulawula ishayela kubasebenzisi abangase bangcolise igridi.Njengoba izinkampani eziningi zidinga ikhwalithi ephezulu yamandla, izinkampani zikagesi zizobeka izidingo eziqinile kumakhasimende onjiniyela bamandla.
Ngokuvamile, ukulawulwa kwe-harmonic okuyingxenye kanye nokulawulwa kwe-harmonic okuphakathi kungahlanganiswa ukuze kukhiqizwe isisombululo esingabizi kakhulu.Ukuze uthole imithwalo yomthombo we-harmonic enamandla amakhulu (njengamafurnase okungenisa imvamisa emaphakathi, iziqalisi ezithambile, njll.).), kusetshenziswa izihlungi ze-harmonic ze-ultra-high zokulawula i-harmonic yendawo ukuze kuncishiswe i-harmonic yamanje eyethulwe kugridi yamandla.Ngokulayishwa kwesistimu eqondile enamandla amancane namandla asabalalisiwe ngokuqhathaniswa, ukuphathwa okuhlangene kufanele kwenziwe ebhasini lesistimu.Ungasebenzisa isihlungi esisebenzayo se-Hongyan noma isihlungi se-passive.
Imboni yokucwenga kanye namakhemikhali yezinsimbi ezingenayo insimbi kufanele isebenzise inqubo ye-electrolysis, ngakho-ke isilungisisi samandla aphezulu sibalulekile.Abantu bathatha ukukhiqizwa kwe-hydrogen nge-electrolysis yamanzi njengesibonelo.Abantu kufanele balungiselele isethi ye-rectifier transformer kanye nekhabhinethi ye-thyristor rectifier.Indlela ye-ballast iwuhlobo lwenkanyezi ehlanekezelwe kabili enezigaba eziyisithupha.Amandla ashintshashintshayo akhiqiziwe asetshenziselwa iseli ye-electrolytic: 10KV/50HZ-rectifier transformer-phase voltage 172V*1.732 phase voltage 2160A-rectifier cabinet-AC 7200A/179V-electrolytic cell.Isiguquli esilungisa kabusha: inkanyezi elandelanayo enezigaba eziyisithupha ezibuyela emuva ebhalansile yochungechunge noma izigaba ezintathu zekholomu yesigaba sesithupha inkanyezi ehlanekezela kabili.Ivolumu yomugqa wokufaka: 1576 kVA ivolumu yohlangothi lwevalvu 2230 kVA uhlobo lwevolumu 1902 kVA thyristor rectifier ikhabethe K671-7200 A/1179 volts (amasethi amane esewonke).Isisetshenziswa sokulungisa sizodala i-pulsed current eningi, ezofaka engozini kakhulu ikhwalithi yamandla wegridi yamandla.
Edivayisini yokulungiswa kabusha kwezigaba ezintathu zebhuloho eligcwele le-6-pulse rectifier enamandla amakhulu, ama-harmonics e-oda eliphezulu akhiqizwe i-akhawunti yokulungisa ama-25-33% yenani lama-harmonics we-oda eliphezulu, okuzodala umonakalo omkhulu kugridi yamandla, futhi izici ze-harmonics zokuhleleka okuphezulu ezikhiqizwayo ziyizikhathi ezingu-6N±1, okungukuthi, izikhathi zesici ohlangothini lwe-valve zingu-5th, 7th, 11th, 13th, 17th, 19th, 23rd, 25th, njll., kanye ne-5th kanye ne-7th ephakeme. izingxenye ze-harmonic zikhiqizwa iphuzu le-PCC ohlangothini lwenethiwekhi enkulu Isici se-harmonics esiphezulu se-harmonics ohlangothini olufanayo lwe-valve, phakathi kwayo i-oda yesi-5 inkulu, futhi i-oda yesi-7 iyancipha ngokushintshana.Ukusebenza okuhambisanayo kweqembu le-rectifier transformer enamawindi ashintshashintshayo kwesigaba kungakha ama-pulses angu-12, futhi izikhathi zesici sohlangothi lwenethiwekhi izikhathi ezingu-11, izikhathi ezingu-13, izikhathi ezingu-23, izikhathi ezingu-25, njll., kanye nezikhathi ezingu-11 nezikhathi ezingu-13 enkulu kunazo zonke.
Uma ingekho idivayisi yokuhlunga efakwe ohlangothini lwegridi noma ohlangothini lwe-valve, ingqikithi ye-pulse yamanje efakwe kugridi izodlula izinga lemboni yenkampani yethu, futhi isici samanje se-harmonic esifakwe ku-transformer eyinhloko izophinde idlule inani lokulawula izinga lemboni yenkampani yethu.Ama-harmonics aphakeme azodala izintambo zokusabalalisa, ukushisisa kwe-transformer, izisetshenziswa zesinxephezelo ezingavumelekile azikwazi ukushiya imboni, ukuwohloka kwekhwalithi yokuxhumana, ukungasebenzi kahle kokushintshwa komoya, ukuhlinza kwejeneretha nezinye izimo ezimbi.
Ngokuvamile, kunethiwekhi enkulu yamandla yesistimu, isici se-harmonics ephakeme singasuswa ngokusebenzisa amadivaysi okuhlunga ( fc ), futhi imigomo yokuphatha ingafinyelelwa.Endabeni yesistimu yegridi yamandla amancane, umgomo wokubhekana nama-harmonics aphezulu aphezulu.Ngokungeziwe ekufakeni idivayisi yesihlungi somthamo omkhulu we-passive, isihlungi esisebenzayo esinesikhundla esincane (apf) singaphinda sisetshenziselwe ukufeza izilinganiso ezidingekayo zekhwalithi yamandla.Ngamasistimu okufaka okulungisa anezindlela ezihlukile zokuxhuma, ukufakwa kwethu kwesinxephezelo sesihlungi esiphrofeshinali kunemiklamo ehlukene eqondiwe.Ngemva kokuhlolwa endaweni, “bangakwazi ukwenza ngokwezifiso” kumakhasimende futhi bakhethe uhlelo lokwelapha olufanele isimo sangempela esikusayithi.
Isikhathi sokuthumela: Apr-13-2023