Enwere ọtụtụ ụzọ iji belata harmonic, mana enweghị ngwọta ọ bụla iji dozie nsogbu niile.Ike ọkụ dị iche iche, ibu dị iche iche, anyị chọrọ ka anyị na-enye ngwọta kachasị mma iji belata harmonic.
Tebụl dị n'okpuru atụnyere THD nke teknụzụ mbelata dị iche iche na mbụ.
| isii pulse vfd enweghị reactor/kpagbu | isii pulsed vfd Obere DC ụgbọ ala capacitor | pulse isii vfd+5% reactor/choke | 3 phase vfd arụ ọrụ n'ihu njedebe | Six pulse vfd+ passive filter | Multipulse vfd | |
| THDi a na-ahụkarị | 90--120% | 35--40% | 35--45% | 3--5% | 5--10% | 12 mkpisi: 10--12% 18 mkpụrụ akụ: 5--6% |
| Uru | Ngwọta dị mfe ma dị ọnụ ala, nke a na-anabata maka nrụnye nwere obere draịva dị ala | Ngwọta dị mfe na ọnụ ala dị ala nke na-ebute ụfọdụ mbelata nke harmonics dị ugbu a | Ngwọta ọkọlọtọ na ngwa HVAC | Kacha mma harmonic arụmọrụ nke ọ bụla nke ngwọta. Ikike ịkwalite voltaji mmepụta n'oge ọnọdụ dị ala. Ịdị n'otu isi ike ihe. Nwere ike inye breeki na-emegharị ahụ | Na-eche na oghere anụ ahụ dị, enwere ike ịgbakwunye ihe nzacha harmonic na-agafe agafe mgbe etinyere draịva ahụ, ma ọ bụrụ na ekpebie nkwekọ na ọ bụ nsogbu. | Usoro mbelata nke harmonic ọdịnala. |
| Cons | Ọdịnaya nkwekọ dị elu, akwadoghị maka nrụnye nwere nnukwu draịva dị elu. | Mgbagha voltaji dị elu, karịa pulse isii vfd nwere 5% reactor/choke. | Sistemu nwere nnukwu draịva buru ibu ma ọ bụ buru ibu, nwere ike ịchọ mbelata nkwekọ ọzọ. | Ụgbọ ala ahụ n'onwe ya na-ewepụta ọkụ karịa otu ọkọlọtọ isii pulse mbanye nwere reactor. | Ihe na-ebute ike na ibu ọkụ ọ gwụla ma agbanyụrụ capacitors nzacha nke sekit. Ihe ize ndụ nke resonances n'etiti nzacha capacitors na ndị ọzọ capacitors na usoro. | Ịrụ ọrụ nkwekọrịta kacha mma chọrọ nri ọkụ AC zuru oke na obere mgbagha n'okirikiri. O siri ezigbo ike ịtụgharị n'ọhịa. |
Site na mmepe nke teknụzụ ike IGBT na-aga n'ihu, ọkwa atọ ọhụrụnzacha na-arụ ọrụakwalitela ma jiri ya mee ihe n'ahịa.APFna-enweta akara ngosi dị ugbu a ozugbo site na ihe ntụgharị dị ugbu a dị ugbu a, wee kewaa akụkụ ahụ kwekọrọ site na sekit nchọpụta nke ime, wee mepụta ụgwọ ọrụ ugbu a na akụkụ nke ọzọ nke harmonics na sistemụ site na onye ntụgharị ike IGBT iji ghọta ọrụ nzacha. pụta harmonic.
Ụgwọ nkwụghachi ụgwọ ugbu a nkeAPFdịgasị iche n'ụzọ ziri ezi dị ka harmonics dị ike nke usoro ahụ si dị, ya mere a gaghị enwe nsogbu nkwụghachi ụgwọ.Na mgbakwunye,APFnwere ọrụ nchekwa oke ibu.Mgbe nkwekọ nke sistemu ahụ buru ibu karịa ikike nzacha, ngwaọrụ ahụ nwere ike belata mmepụta nke ikike 100% na-akpaghị aka na-enweghị oke ibu.
Oge nzipu: Nov-24-2023