Cov lus txhais ntawm cov tub rog transformer

Cov tub rog transformer yog hom khoom siv hluav taws xob siv hauv lub nkoj lub zog. Nws lub luag haujlwm tseem ceeb yog hloov kho hluav taws xob hluav taws xob thiab tswj cov hluav taws xob. Nws kho lub zog hluav taws xob voltage rau cov voltage uas xav tau los ntawm kev hloov pauv, sib ntsib ntawm cov hluav taws xob uas muaj ntau yam nkoj.