Tshawb nrhiav qhov sib txawv Vector pawg ntawm Transformers
Transformers ua lub luag haujlwm tseem ceeb hauv kev sib kis thiab kev faib hluav taws xob thoob plaws hauv kab hluav taws xob. Ib qho ntawm qhov tseem ceeb tsis tau txhais cov yam ntxwv ntawm lub transformer yog nws qhov sib piv. Lub lem ratio ntawm ib tug transformer sawv cev rau tus piv ntawm tus xov tooj ntawm lem ntawm hlau nyob rau hauv thawj winding rau tus xov tooj ntawm lem ntawm lub thib ob winding. Qhov sib piv tig txiav txim siab qhov hloov pauv ntawm qhov nruab nrab thiab theem nrab ntawm lub transformer.
Lwm qhov tseem ceeb uas txiav txim siab tus cwj pwm ntawm lub transformer yog nws pawg vector. Pawg vector ntawm lub transformer qhia txog theem hloov ntawm thawj thiab theem nrab windings. Muaj tag nrho ntawm 13 vector pawg teeb tsa, nrog rau txhua qhov teeb tsa sawv cev rau theem sib txawv. Cov pawg vector feem ntau yog YNd, Dyn, thiab YNyn.
Pawg vector ntawm transformer yog qhov tseem ceeb hauv kev ua kom ntseeg tau tias nws ua haujlwm zoo thiab nyab xeeb. Piv txwv li, hauv cov tshuab hluav taws xob uas siv cov khoom sib txuas sib txuas, nws yog ib qho tseem ceeb uas yuav tsum xaiv cov transformers nrog tib pawg vector kom tsis txhob muaj teeb meem nrog theem hloov thiab qhov tsis sib xws.
Cia peb saib ze dua ntawm qee pawg vector uas siv hauv lub zog hloov hluav taws xob:
YNd - Pawg vector no feem ntau yog siv rau cov khoom siv hluav taws xob uas muab cov tshuab hluav taws xob. Lub hauv paus thiab theem nrab windings yog nyob rau hauv Y-kev sib txuas, thaum lub ntsiab lus nruab nrab ntawm thawj winding yog grounded, thiab theem nrab yog ntab. Qhov kev teeb tsa no ua kom ntseeg tau tias lub cev muaj zog windings tsis raug rau high voltages.
Dyn - Dyn transformers yog siv rau kev nce qib thiab qib qis hauv kev siv hluav taws xob. Lub hauv paus winding yog txuas nrog nyob rau hauv ib tug delta configuration, thaum lub thib ob winding yog nyob rau hauv ib tug Y-kev twb kev txuas. Pawg vector no muaj qhov hloov pauv ntawm 30 degrees, ua rau nws tsim nyog rau lub zog hluav taws xob uas tsis muaj qhov sib npaug.
ZNyn - Pawg vector no feem ntau siv rau cov khoom siv hluav taws xob uas muab lub zog rau cov khoom siv hluav taws xob thiab lwm yam khoom siv hluav taws xob. Thawj winding yog nyob rau hauv ib tug zigzag configuration, thaum lub thib ob winding yog nyob rau hauv ib tug Y-kev twb kev txuas. Qhov kev teeb tsa no ua kom ntseeg tau tias lub tshuab hloov pauv tuaj yeem tswj tau qhov kev hloov pauv ntawm cov khoom siv hluav taws xob ntau.
Qhov sib piv thiab vector pawg ntawm transformer ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab nws qhov kev ua tau zoo thiab tsim nyog rau ib daim ntawv thov tshwj xeeb. Los ntawm kev nkag siab txog qhov muaj zog thiab kev txwv ntawm ntau pawg vector configurations, lub zog hluav taws xob engineers tuaj yeem xaiv qhov zoo transformer rau lawv cov kev xav tau tshwj xeeb.