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高頻變壓器噪音到底是如何產(chǎn)生的呢?</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(wǎng)責(zé)任編輯：<a >NSW</a></span><span>作者：<a >NSW</a></span><span>人氣??span
id="cntrHits">-</span></span><span>發(fā)表時間??015-06-09 13:31:00</span>
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<p> ??strong><a href="http://m.cmqp.com.cn/product/">高頻變壓??/a></strong>廠家晨飛的了解，變壓器的噪聲主要來源于變壓器本體和冷卻系統(tǒng)兩個方面。國內(nèi)外的研究結(jié)果表明，變壓器本體振動產(chǎn)生噪聲的根源在于以下幾個方面??/p>
<p> </p>
<p> (1) 硅鋼片的磁致伸縮引起的鐵心振動??/p>
<p> </p>
<p> (2) 硅鋼片接縫處和疊片之間存在著因漏磁而產(chǎn)生的電磁吸引力而引起鐵心的振動??/p>
<p> </p>
<p> (3) 當(dāng)繞組中有負(fù)載電流通過時，負(fù)載電流產(chǎn)生的漏磁引起線圈、油箱壁的振動??/p>
<p> </p>
<p> 變壓器噪聲的另一個主要來源是冷卻器。與變壓器本體噪聲的機(jī)理一樣，冷卻裝置的噪聲也是由于它們的振動而產(chǎn)生的，其振動的根源在于：</p>
<p> </p>
<p> (1) 冷卻風(fēng)扇和油泵在運(yùn)行時產(chǎn)生的振動??/p>
<p> </p>
<p> (2) 變壓器本體的振動通過絕緣油、管接頭及其裝配零件傳遞給冷卻裝置??使冷卻裝置的振動加劇，噪聲加大??/p>
<p> </p>
<p> 高頻變壓器噪聲產(chǎn)生的原因是多方面??其中劣質(zhì)變壓器不僅產(chǎn)生巨大噪音，給居民造成困擾，還增加了變壓器的空載損耗，與國家號召的節(jié)能環(huán)保背道而馳。因此，我們要堅決對劣質(zhì)變壓器說NO??/p>
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