Na mkpa nke mmepụta mmepụta ihe, iji belata ibu nke usoro ma chekwaa ike, ọnụ ọgụgụ buru ibu nkeagbanwe ugboro inverter a na-eji n'oge ụlọ ọrụ mmepụta ihe.Ojiji nkeihe ntụgharị ugboro ugboro nwere ike nweta mmetụta na-azọpụta ike n'ezie, ma ọ na-ewetakwa nsogbu ndị ọzọ dị ka harmonics.Anyị zutere ebe a na-ahụkarị ebe a na-eji ọnụ ọgụgụ buru ibu nke ike inverters na-achịkwa mgbapụta mmiri.Arụ ọrụ nke ọnụ ọgụgụ buru ibu nke inverter akụrụngwa na-eduga ná njọ harmonic distortion na usoro, nke ukwuu na-emetụta mma na kwụsiri ike ọrụ nke usoro.
Site n'ụdị ebili mmiri n'ọhịa, usoro mgbagha nkwekọrịta bụ isi bụ 5, 7 harmonics.Tupu ọrụ nkeAPF, mkpokọta ndakọrịta ndakpọ ọnụego nke usoro ruru 39.5%.Mgbe ọrụ nkenzacha harmonic na-arụ ọrụ, ngụkọta harmonic distoration ọnụego nke usoro na-ebelata ka ihe dị ka 6%, ebili mmiri na-eweghachi na nkịtị, na harmonics nke ọ bụla iji na-ebelata budata.Site na ọnụ ọgụgụ 1 ruo 4, anyị nwere ike ịhụ nke ọma na mmetụta nke njikwa harmonic mgbe ejiri yanzacha na-arụ ọrụdị nnọọ doro anya ma dị irè.
Nsogbu nke harmonics dị oke njọ.Harmonics na-ebelata arụmọrụ nke mmepụta, nnyefe na itinye n'ọrụ nke ike eletriki, na-ekpo ọkụ na ngwá ọrụ eletrik, na-emepụta mkpọtụ na mkpọtụ, na-eme ka mkpuchi ahụ na-eme agadi, na-ebelata ndụ ọrụ, na ọbụna arụ ọrụ ma ọ bụ ọkụ.Harmonics nwere ike ime ka resonance mpaghara ma ọ bụ usoro resonance na sistemụ ike, nke na-ebuli ọdịnaya kwekọrọ ma mee ka capacitor na akụrụngwa ndị ọzọ na-ere ọkụ.Harmonics nwekwara ike ịkpata mmejọ nke nchekwa relay na ngwaọrụ akpaka, na-ebute ọgba aghara na nha ike eletrik.Na-abụghị sistemu ike, harmonics nwere ike ịkpata nnukwu nnyonye anya na ngwa nzikọrịta ozi na ngwa eletrọnịkị.
Nkenzacha ike na-arụ ọrụejikọrọ na ike usoro n'otu n'otu, site na mpụga nke ugbu a transformer ka sample atọ na-adọ ugbu a.Isi njikwa na-agbakọ uru nkwụghachi ụgwọ achọrọ ugbu a wee ziga iwu na IGBT, IGBT na-agbanwegharị ugboro ugboro iji kwalite arụmọrụ yanaAHFiji mebie harmonic ugbu a.
Oge nzipu: Jul-28-2023