I-Harmonics kwinkqubo yamandla ivela kwizixhobo zombane, oko kukuthi, kwizixhobo zokuvelisa kunye nezixhobo zombane.
I-1.Umthombo we-Harmonic (umthombo we-harmonic ekupheleni konikezelo lwamandla ngokubanzi ukhomba izixhobo zombane ezifaka i-harmonic current kwigridi kawonkewonke okanye ukuvelisa i-voltage ye-harmonic kwigridi yoluntu).Ezinye izixhobo ezingabonakaliyo ziya kuvelisa i-harmonics xa zisebenza kwigridi.Ngokomzekelo, i-single-phase rectifiers, i-arc furnaces yombane, i-rectifiers, i-inverters, i-frequency converters, i-arc welding machines, izixhobo zokufudumeza induction, izixhobo ze-electromechanical kunye ne-magnetic saturation, njl. iilocomotives zombane, Lu electrolyzers, switching power supply, etc., kwaye unoluhlu olubanzi lwezicelo.Uninzi lwezixhobo zokulungisa i-thyristor zisebenzisa ulawulo lwe-phase-shift, ngoko luya kushiya i-harmonics eninzi kwigridi yamandla.Ngokweenkcukacha-manani zedatha yezobugcisa, i-harmonics eveliswa yi-akhawunti yesixhobo sokulungisa i-40% yazo zonke ii-harmonics, kwaye zidla ngokuchongwa njengowona mthombo omkhulu we-harmonics.Isixhobo soguqulo rhoqo samkela ulawulo lwesigaba, ngoko ke iiharmonics ezenziweyo zintsonkothe ngakumbi, zihlala zibandakanya ii-harmonics ezipheleleyo kunye nee-harmonics eziqhekekileyo.Ngenxa yamandla aphezulu ezixhobo zokuguqula amaza, umxholo we-harmonic owenziweyo nawo uya kwanda.Kunye nezixhobo zombane zasekhaya, kuba uninzi lwazo zinezixhobo zokulawula amandla ombane kunye nokulungisa, ziya kuvelisa i-harmonics enzulu.Ngexesha elifanayo, utshintsho lwangoku olungalinganiyo luya kubangela ukuba utshintsho lwe-waveform.Ngenxa yenani elikhulu lezixhobo zekhaya, inani elipheleleyo lee-harmonics ezenziweyo nazo zikhulu kakhulu.Uninzi lwazo lutshintsha izixhobo zokubonelela ngombane ngokusekelwe kumandla ombane we-elektroniki.
2. Inkqubo yothumelo kunye nokuhanjiswa kwayo ngokwayo iya kuvelisa i-harmonics.Umthombo oyintloko we-harmonics yi-transformer yamandla.Ngenxa yokuzaliswa kwengundoqo ye-transformer, i-magnetizing current iya kubonisa i-peak waveform, oko kukuthi, i-harmonics engaqhelekanga.Ukuphakama kwe-saturation ye-core transformer, inkulu i-harmonic yangoku kwaye iphezulu umxholo we-harmonic owenziwe.yeyesixhobo esingundoqo sentsimbi esineempawu zokugcwala kwe-ferromagnetic.
3. Umthombo wokuvelisa amandla kunzima ukufezekisa i-symmetry epheleleyo egqibeleleyo kwithekhnoloji kwindibano kunye nokuveliswa kwesigaba sesithathu sokuvala isethi ye-generator, kunye nentsimbi yentsimbi kwi-generator ayikwazi ukufana ngokupheleleyo kumgangatho kunye nokuthungwa, njl. okukhokelela kumgangatho wamandla avelisiweyo.hayi phezulu, okukhokelela kwi-harmonics.
4. Ukukhutshwa kwegesi umthombo wokukhanya kombane.Ngokomzekelo, izibane ze-fluorescent, izibane ze-sodium ezinoxinzelelo oluphezulu, izibane ze-metal halide, njl., ngenxa yokunganyaniseki kwazo, nazo ziya kubangela imisinga ye-harmonic engaqhelekanga kwigridi yamandla.Iyesixhobo esine-arc njengesixhobo sokusebenza esineempawu eziqinileyo ezingangqamananga.
Ukuze unciphise i-harmonics kwinkqubo yamandla.Ngokuqhelekileyo, inani le-pulse yesixhobo sokuguqula liyenyuka kwaye i-AC filter ifakiwe.Ukuqinisa ulawulo lwe-harmonic.Isixhobo sembuyekezo samandla ombane aphezulu naphantsi esiveliswe nguHongyan Electric, isixhobo sembuyekezo samandla ombane aphezulu naphantsi adityanisiweyo kunye nesixhobo sembuyekezo samandla ombane aphezulu naphantsi aguqukayo kunye nesihluzo esimileyo zonke zizixhobo ezinokuthenjwa kakhulu zokunciphisa iingozi ze-harmonic.
Ixesha lokuposa: Apr-13-2023