3 theem 6 kwv transformers yog tsim nyob rau hauv Tuam Tshoj fais fab transformer Hoobkas nyob rau hauv loj npaum li cas. ‘3 theem’ hais txog peb kab nyob, uas yog sib cais los ntawm 120 degrees ntawm hluav taws xob lub kaum sab xis hauv theem. ‘6 kva‘ txhais tau hais tias qhov kev pabcuam hluav taws xob yog 6KV, yuav tsum tau nqis mus rau qis qis xws li 400V, 120V thiab lwm yam.