Ndezvipi zvinhu zvikuru zvinoumba transformer?

Kune zvinodiwa zvehunyanzvi zvinoenderana nemarudzi akasiyana etransformers, izvo zvinogona kuratidzwa nematanho ehunyanzvi anoenderana. Semuenzaniso, maparameter makuru ehunyanzvi etransformer yesimba anosanganisira: simba rakarongwa, chiyero chevoltage nevoltage chakarongwa, frequency yakarongwa, grade yekupisa kwekushanda, kukwira kwekushisa, chiyero chekutonga kwevoltage, mashandiro ekudzivirira uye kuramba hunyoro. Kune matransformer enguva shoma, maparameter makuru ehunyanzvi ndeaya: chiyero chekuchinja, hunhu hwefrequency, kukanganiswa kusingachinji, magnetic shielding uye electrostatic shielding, kushanda zvakanaka, nezvimwewo.

Zvikamu zvikuru zve transformer zvinosanganisira chiyero chemagetsi, hunhu hwema frequency, simba rakayerwa uye kushanda zvakanaka.

()1）Kugoverwa kwemagetsi

Hukama huripo pakati pe voltage ratio n ye transformer uye ma turns ne voltage ye primary ne secondary windings ndeekuti: n=V1/V2=N1/N2 apo N1 ndiyo primary (primary) winding ye transformer, N2 ndiyo secondary (secondary) winding, V1 ndiyo voltage kumativi ese e primary winding, uye V2 ndiyo voltage kumativi ese e secondary winding. Voltage ratio n ye step-up transformer iri pasi pe 1, voltage ratio n ye step-down transformer yakakura kupfuura 1, uye voltage ratio ye isolation transformer yakaenzana ne 1.

()2）Simba rakayerwa P. Iyi parameter inowanzo shandiswa kune ma transformer emagetsi. Inoreva simba rinobuda kana transformer yemagetsi ichigona kushanda kwenguva yakareba isingapfuure tembiricha yakatarwa pasi pefrequency yekushanda yakatarwa uye voltage. Simba rakayerwa re transformer rine chekuita nenzvimbo yepakati pesimbi, dhayamita yewaya ye enamelled, nezvimwewo. Transformer ine nzvimbo yakakura yepakati pesimbi, dhayamita yakakora yewaya ye enamelled uye simba guru rekubuda.

()3）Hunhu hwemafrequency Hunhu hwemafrequency hunoreva kuti transformer ine huwandu hwakati hwemafrequency ekushanda, uye matransformer ane mafrequency akasiyana ekushanda haagone kuchinjaniswa. Kana transformer ikashanda kupfuura huwandu hwayo hwemafrequency, tembiricha inokwira kana kuti transformer haizoshande zvakajairika.

()4）Kushanda zvakanaka kunoreva chiyero chesimba rinobuda uye simba rekupinda retransformer pamutengo wakayerwa. Kukosha uku kunoenderana nesimba rinobuda retransformer, kureva kuti, simba guru rekubuda retransformer, ndiko kuwedzera kushanda zvakanaka; Kana simba rekubuda retransformer rikave diki, kushanda zvakanaka kunowedzerawo. Kukosha kwebasa retransformer kunowanzova pakati pe60% ne100%.

Pasimba rakatarwa, chiyero chesimba rinobuda nesimba rekupinda retransformer chinonzi kushanda kwetransformer, kureva

η= 100%

Kupiη Kushanda zvakanaka kwetransformer; P1 ndiyo simba rekuisa uye P2 ndiyo simba rekubudisa.

Kana simba rekuburitsa P2 re transformer rakaenzana nesimba rekupinza P1, kushanda zvakanakaη Zvakaenzana ne100%, transformer haizoburitse kurasikirwa. Asi kutaura chokwadi, hapana transformer yakadaro. Kana transformer ichitumira simba remagetsi, inogara ichiburitsa kurasikirwa, izvo zvinonyanya kusanganisira kurasikirwa nemhangura uye kurasikirwa nesimbi.

Kurasikirwa kwemhangura kunoreva kurasikirwa kunokonzerwa nekuramba kwesimbi yetransformer. Kana simba remagetsi richipiswa kuburikidza nekuramba kwesimbi, chikamu chesimba remagetsi chinoshandurwa kuita simba rekupisa uye chinorasika. Sezvo simbi inowanzo putirwa netambo yemhangura inodzivirirwa, inonzi kurasikirwa kwesimbi.

Kurasikirwa kwesimbi kwetransformer kunosanganisira zvinhu zviviri. Chimwe ndechekurasikirwa nehysteresis. Kana AC current inopfuura nepatransformer, kutungamira nehukuru hwemutsara wesimba remagineti unopfuura nepapepa resimbi resilicon retransformer zvinoshanduka zvinoenderana, zvichiita kuti mamorekuru ari mukati mepepa resimbi resilicon akwizane uye abudise simba rekupisa, nokudaro achirasikirwa nechikamu chesimba remagetsi, iro rinonzi hysteresis loss. Chimwe ndechekurasikirwa kwe eddy current, kana transformer ichishanda. Pane mutsetse wesimba remagineti unopfuura nepakati pesimbi, uye induced current inogadzirwa paplane yakatarisana nemutsara wesimba remagineti. Sezvo current iyi ichiumba loop yakavharwa uye ichitenderera muchimiro che whirlpool, inonzi eddy current. Kuvapo kwe eddy current kunoita kuti core yesimbi ipise uye ishandise simba, iro rinonzi eddy current loss.

Kushanda zvakanaka kwetransformer kwakabatana zvakanyanya nehukuru hwesimba retransformer. Kazhinji, simba guru, kurasikirwa nesimba rinobuda, uye kushanda zvakanaka kunowedzera. Kusiyana neizvi, simba shoma, kushanda zvakanaka kunowedzerawo.