Muab cov kab tshuab ntim khoom hnyav tsis siv neeg txij li xyoo 2012
Muaj ntau yam ua rau
a: xyuas lub tshuab nqus tsev hauv lub tshuab transformer ua peb peb huab kom feem ntau ua haujlwm.
2: kev siv cov tshuab relay sijhawm,
saib txhua yam uas hais txog
tsis kub hnyiab.
3: siv cov tshuab circuit board, xws li lub transformer tsis muaj teeb meem, yog tias muaj qee yam tsis ncaj ncees lawm nrog lub circuit board xav tau hloov lub circuit board.
cov lus teb zoo tshaj plaws
muaj ntau yam ua rau
a: xyuas seb lub tshuab nqus tsev transformer ua haujlwm sab hauv puas yog
feem ntau.
tsis kub hnyiab.
2: siv lub tshuab ntawm lub sijhawm relay, lub relay yog
3: siv lub tshuab hluav taws xob, tsis muaj teeb meem, xws li lub rooj tsavxwm ntawm lub transformer muaj teeb meem, yuav tsum hloov lub voj voog yog tias lub twj tso kua mis lub sijhawm relay yog lub vaj huam sib luag tswj hwm relay yuav puas tsuaj. Yog tias nws yog lub khoos phis tawj tswj hwm, qhov ntawd yog lub khoos phis tawj tsis zoo, thov hloov. Lub tshuab nqus tsev twj tso kua mis puas tsuaj, feem ntau cov chaw tsim khoom muab kev lees paub (Tau kawg yog qhov chaw tsim khoom ib txwm muaj), hloov lossis kho.
lub rooj tsavxwm.
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