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二手工控電器
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樓主  發(fā)表于: 2014-12-22 13:09
[attachment=130245] [attachment=130246]在此想請教一下各位，如果在380V的交流電加熱控制中，用那個(gè)更可靠？？個(gè)人感覺(jué)用3相3個(gè)更可靠些！  
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liudongtian
我是小電工
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1樓  發(fā)表于: 2014-12-23 15:51
個(gè)人感覺(jué)都差不多吧，不過(guò)我用的比較多的是3相一個(gè)驅動(dòng)控制的，因為我需要同時(shí)接3根單向380的加熱管，單個(gè)控制的也用過(guò)，不過(guò)用在加熱管功率小一點(diǎn)的電路里面。個(gè)人覺(jué)得固態(tài)繼電器最重要的是質(zhì)量和散熱。

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