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老學(xué)生
梅花香自苦寒來(lái)
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樓主  發(fā)表于: 2018-05-18 11:12
最近遇到一個(gè)問(wèn)題，請各位老師給指點(diǎn)指點(diǎn)。一個(gè)加熱器，功率2.5KW，電壓110V（AC)。想把電流降下來(lái)點(diǎn)電壓不變有什么實(shí)用的好方法。
lch8478
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1樓  發(fā)表于: 2018-05-21 09:23
如果需求的加熱功率或加熱效率不變，又想在電源電壓不變的情況下負載電流降下來(lái)，只能是異想天開(kāi)

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