Harmonics na usoro ike na-abịa site na ngwa eletriki, ya bụ, site na ịmepụta akụrụngwa na ngwa eletriki.
1.Harmonic isi iyi (isi iyi na ike ọkọnọ ọgwụgwụ n'ozuzu na-ezo aka na eletriki akụrụngwa na injects harmonic ugbu a n'ime ọha okporo ma ọ bụ na-emepụta harmonic voltaji na ọha okporo).Ụfọdụ ngwaọrụ ndị na-anọghị n'ịntanetị ga-emepụta ihe kwekọrọ mgbe ha na-arụ ọrụ na grid.Dị ka ihe atụ, otu-phase rectifiers, electric arc furnaces, rectifiers, inverters, ugboro converters, arc ịgbado ọkụ igwe, induction kpo oku akụrụngwa, electromechanical akụrụngwa na magnetik saturation, wdg Harmonics eme site na eletriki akụrụngwa, karịsịa rectifier thyristor akụrụngwa, na-ejikarị eme ihe na. locomotives eletriki, Lu electrolyzers, ihe na-agbanwe ọkụ, wdg, ma nwee ọtụtụ ngwa.Ọtụtụ akụrụngwa thyristor rectifier na-anabata njikwa mgbanwe oge, yabụ ọ ga-ahapụ ọtụtụ ihe kwekọrọ na grid ike.Dabere na ọnụ ọgụgụ data teknụzụ, harmonics emepụtara site na ngwaọrụ rectifier bụ 40% nke harmonics niile, a na-amatakarị ya dị ka isi iyi kachasị nke harmonics.Akụrụngwa ntụgharị ugboro ugboro na-anabatakarị njikwa oge, yabụ nkwekọ emepụtara na-adị mgbagwoju anya karịa, na-agụnyekarị harmonics integer na harmonics akụkụ.N'ihi ike dị elu nke ngwa ngbanwe ugboro ugboro, ọdịnaya kwekọrọ na-emepụta ga-abawanye.Yana akụrụngwa eletriki ụlọ, n'ihi na ihe ka ọtụtụ n'ime ha nwere ngwaọrụ na-ahazi voltaji, ha ga-ewepụtakwa ihe nkwekọ dị omimi karị.N'otu oge ahụ, mgbanwe nke ugbu a na-adịghị mma ga-emekwa ka mgbanwe nke waveform.N'ihi ọnụ ọgụgụ dị ukwuu nke ngwa ụlọ, ngụkọta nke harmonics emepụtara dịkwa oke ukwuu.Ọtụtụ n'ime ha na-agbanwe akụrụngwa ọkọnọ ike dabere na akụrụngwa eletrọnịkị ike.
2. Usoro nnyefe na nkesa n'onwe ya ga-emepụtakwa harmonics.Isi iyi nke harmonics bụ ike transformer.N'ihi saturation nke isi ihe ngbanwe, magnetizing ugbu a ga-egosi oke ebili mmiri, ya bụ, harmonics na-adịghị mma.Nke dị elu nke saturation nke isi ihe ntụgharị, na-ebuwanye ụba nke harmonic ugbu a na nke dị elu nke ọdịnaya kwekọrọ.Ọ bụ nke ngwaọrụ isi igwe nwere njirimara saturation ferromagnetic.
3. The ike ọgbọ isi iyi siri ike nweta zuru okè symmetry na nkà na ụzụ na mgbakọ na mmepụta nke atọ-phase winding nke generator set, na ígwè isi na generator enweghị ike ịbụ kpamkpam edo na àgwà na udidi, wdg. na-ebute ogo nke ike emepụtara.adịghị elu, na-akpata harmonics.
4. Isi iyi ọkụ eletrik na-agbapụta gas.Dịka ọmụmaatụ, oriọna fluorescent, oriọna sodium nwere nrụgide dị elu, oriọna halide metal, wdg, n'ihi enweghị mmasị ha siri ike, ga-emekwa ka mmiri na-adaba adaba na grid ike.Ọ bụ nke akụrụngwa nwere arc dị ka onye na-arụ ọrụ na njirimara siri ike na-enweghị atụ.
Iji gbochie harmonics na usoro ike.Ọtụtụ mgbe, a na-abawanye nọmba pulse nke ngwaọrụ ntụgharị ma tinye ihe nzacha AC.Mee ka njikwa harmonic dị ike.The elu na ala voltaji reactive ike ụgwọ ngwaọrụ emepụtara site Hongyan Electric, na elu na ala voltaji Integrated capacitor ụgwọ ngwaọrụ na elu na ala voltaji reactive ike dynamic na static nyo ụgwọ ngwaọrụ niile bụ nnọọ ntụkwasị obi akụrụngwa maka mbenata harmonic ize ndụ.
Oge nzipu: Eprel-13-2023