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提高電感線圈的穩(wěn)定性，應該怎樣做呢?</h3>
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<span>文章出處??a href=""><a >深圳市晨飛電子有限公??/a></a></span><span>網責任編輯：<a >NSW</a></span><span>作者：<a >NSW</a></span><span>人氣??span
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<p><span style="font-size: 14px;"> <span style="font-family: Arial, Verdana, sans-serif;">今天就來談談電感線圈的穩(wěn)定性，什么是穩(wěn)定??穩(wěn)定性是表示電感線圈參數隨環(huán)境條件變化而改變的程度??/span> </span></p>
<p> </p>
<p><span style="font-size: 14px;"> 通常用電感溫度系數aL來評定線圈的穩(wěn)定程度，它表示電感量相對溫度的穩(wěn)定性，其用下式計算:</span></p>
<p> </p>
<p><span style="font-size: 14px;"> 式中：aL--電感溫度系數 L1--室溫t1下測得的電感量 L2--正負極限溫度t2測得的電感量??/span></p>
<p> </p>
<p><span style="font-size: 14px;"> 那么怎樣可以有效地提高電感線圈的穩(wěn)定性呢?</span></p>
<p> </p>
<p><span style="font-size: 14px;"> 首先就是要做好電感線圈溫度系數。電感溫度系數主要是由于線圈導線受熱作用后膨脹，使線圈產生幾何變形而引起的??/span></p>
<p> </p>
<p><span style="font-size: 14px;"> 為了提高線圈溫度的穩(wěn)定性，可以采用熱繞方法制作線圈:</span></p>
<p> </p>
<p><span style="font-size: 14px;"> 將繞制線圈的導線通上電流，便導線變熱后再繞制線圈，這樣可以使線圈冷卻后收縮而緊貼在骨架上，不再容易發(fā)生受熱后變形，相應地提高了穩(wěn)定性??/span></p>
<p> </p>
<p><span style="font-size: 14px;"> 除了溫度外，濕度也會引起電感線圈參數的變化。例如，濕度增大時會使線圈的分布電容和損耗增大，使線圈的穩(wěn)定性降低。為了防止?jié)穸葘€圈參數的影響，在制作電感線圈時，通常均要采取防潮措施，例如采用環(huán)氧樹脂封裝或進行浸漬處理??/span></p>
<p> </p>
<p><span style="font-size: 14px;"> 看到以上內容，你應該就知道提高電感線圈的穩(wěn)定性了??</span></p>
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