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walxyfsk
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樓主  發(fā)表于: 2023-11-17 10:55
公司常用加熱管功率小，一般選擇單相加熱管，可控硅也是單相�，F有一新項目，加熱管功率6KW，電壓可選單相AC220V，或者三相AC400V；
如果選擇單相6KW加熱管電流估算27A，三相加熱管估算：15A；因為要恒溫控制，單相可控硅長(cháng)時(shí)間承受27A電流發(fā)熱厲害；
三相可控硅淘寶上有賣(mài)不知道穩定性如何，有這方面經(jīng)驗老哥幫看看，6KW加熱管選擇單相或者三相哪種方案可靠？
cythyx
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1樓  發(fā)表于: 2023-11-22 08:51
肯定電流小好啊。

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