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开关电源为什么要用高频的 ?
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开关电源为什么要用高频的 ?
糖葫芦mm
over 14 years ago
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呵呵我
over 14 years ago
因为高频工作状态下,变压器的电磁转换速度快,这样转换相同的能量时,单位时间内在变压器中储存的能量就可以大大降低,从而大幅度减小变压器的尺寸以及在变压器中的损耗,从而起到降低重量,提高效率。
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呵呵我
over 14 years ago
因为高频工作状态下,变压器的电磁转换速度快,这样转换相同的能量时,单位时间内在变压器中储存的能量就可以大大降低,从而大幅度减小变压器的尺寸以及在变压器中的损耗,从而起到降低重量,提高效率。
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