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电感量L的大小对滤波来说效果影响较大</h3>
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<p> 在对电源滤波器实际使用过程中的低频阻流圈，它的Q值大小其实并不太重要，?strong>电感</strong>量L的大小对滤波来说却是效果影响较大的。需要我们注意的是，在对低频阻流圈的使用过程中，多通过较大直流，一般我们为了较好的防止磁饱和，就会要求其铁芯顺插，使其具有较大气隙。而如果是为了较好的防止线圈与铁芯发生击穿的现象发生，那么,二者之间的绝缘应符合要求?/p>
<p> 正因为上述情况，所以在使用前我们还真的应该进行线圈与铁芯之间绝缘电阻的检测。如果不清楚要怎么样进行检测，具体方法与变压器绝缘电阻的检测方法相同（可参阅变压器的检测）?/p>
<p> 相对来说，在对于高频线圈电感量L的测试，由于测试起来更为麻烦，我们一般都是会根据在电路使用效果而做出相对适当的调整，这样一来，才能较好的确定其<strong>电感</strong>量是否合适?/p>
<p> 而对于多个绕组的线圈，我们还要用万用表认真的检测各绕组之间线圈是否短路；对于具有铁芯和金属屏蔽罩的线圈，要仔细的测量其绕组与铁芯或金属屏蔽罩之间是否短路?/p>
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