智能手机的屏幕是所有元件里最耗电的，所以降低屏幕亮度是降低电池损耗的最简单的办法。
A smartphone's screen consumes more energy than any other component, so the easiest way to cut down battery drain is to reduce your screen brightness.
磁性元件的损耗在开关电源中占相当大的比例，因此磁芯损耗的计算在开关电源设计中相当重要。
The losses of magnetic components occupy a considerable proportion in switching power supply, so the calculation of core loss is very important.
由于采用了较高的斩波频率和新颖的控制策略，减小了滤波元件的尺寸，并降低了IGBT的开关损耗。
With high chopping frequency and novel control strategy, the size of filter elements is reduced and switching loss of IGBTs drops.
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