Active harmonic sefarudzi rwechigadzirwa chemagetsi chinoshandiswa kubvisa kukanganiswa kweharmonic mumagetsi emagetsi emagetsi.Harmonic distortion inoreva kuvapo kweasingadiwi frequency wave musimba remagetsi izvo zvinogona kutungamira kunyaya yekuwedzera kupisa kwemidziyo, kuderedza kushanda zvakanaka kwehurongwa, uye kunyange kuita kuti michina ikundikane pabasa.
Active harmonic sefa inoshanda nekuona harmonic yazvino musystem uye kugadzira counter-ikozvino yehukuru hwakafanana chikamu chakapesana.Iyi counter-ikozvino inodzima iyo harmonic ikozvino uye inodzivirira kuti irege kudzoserwa musimba remagetsi.Active harmonic mafirita akagadzirirwa kukurumidza uye akarurama mumhinduro yavo yekuchinja harmonic mamiriro musimba remagetsi.
Mutoro wazvino uno unoonekwa neazvino transformer uye yakaverengerwa neiyo yemukati DSP kuti ibudise iyo harmonic zvikamu zvemutoro wazvino, uye wozotumirwa kune yemukati IGBT kuburikidza nePWM chiratidzo chekudzora inverter kuti igadzire chikamu chine mutoro harmonic saizi yazvino, uye iyo harmonic ikozvino mune yakatarisana inopinzwa mugidhi remagetsi kuti iwane chinangwa chekusefa.
Basa rekuraira ikozvino rekuona redunhu rinonyanya kuparadzanisa harmonic yezvino chikamu uye yakakosha reactive ikozvino kubva pamutoro wezvino, uyezve reverse polarity mhedzisiro yemuripo wezvino mushure mechiratidzo chekuraira.Basa remazuva ano rekutevera kudzora redunhu ndere kuverenga iyo inokonzeresa pulse yeimwe neimwe switch mudziyo muchikamu chikuru zvinoenderana nemuripo wezvino unogadzirwa nedunhu guru.Iyo pulse inoitwa padunhu guru mushure mekufambisa dunhu.Nenzira iyi, simba rekupa ikozvino rinongori nechikamu chinoshanda cheyakakosha wave, kuitira kuti uwane chinangwa chekubvisa harmonic uye reactive simba muripo.
Xi'an Noker Electric inyanzvi yesimba remhando yechigadzirwa inogadzira, inopainoshanda simba sefanezvimwe zvigadziriso.Kana uine dambudziko remhando yemagetsi, ndapota inzwa wakasununguka kutibata nesu.
Nguva yekutumira: Kubvumbi-21-2023