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封心絕戀
測試測量設備
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樓主  發(fā)表于: 2012-10-11 18:01
變壓器為1000W選了個(gè)50A的整流橋，變壓器變出來(lái)電壓為27.7V，整流出來(lái)后31V，是整流橋不行嗎？
sylgq
印刷包裝機電維修
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1樓  發(fā)表于: 2012-10-11 21:28
這個(gè)正常，如果加濾波的話(huà)，用萬(wàn)用表測量空載電壓會(huì )更高。

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