Ụzọ dị iche iche iji belata harmonic

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 vfd isii 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.

dfbdn

Oge nzipu: Nov-24-2023