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高頻變壓器設(shè)計(jì)氣隙的計(jì)算</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(shí)間??013-05-10 11:47:00</span>
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<p> 隨著家電產(chǎn)品、辦公自動(dòng)化、汽車導(dǎo)航系統(tǒng)、安全檢測(cè)系統(tǒng)和通信等高頻電子產(chǎn)品使用的普及和需求增長(zhǎng)，高頻、低損耗、小尺寸和低價(jià)位的電子電器整機(jī)產(chǎn)品作為目前市場(chǎng)上最暢銷的產(chǎn)品時(shí)，薄小、高頻款式的電子變壓器的需求量相應(yīng)的不斷增長(zhǎng)，所以，當(dāng)下游產(chǎn)品對(duì)元器件的需求提出更高更新的要求時(shí)，低頻電子變壓器的生存空間承受著巨大的壓力，很多中小型的低頻電子變壓器生產(chǎn)企業(yè)面臨破產(chǎn)或轉(zhuǎn)型??strong>高頻變壓??/strong>在這樣的背景下，開始走上市場(chǎng)，并以自己的優(yōu)勢(shì)，迅速占領(lǐng)了市場(chǎng).</p>
<p> 我們都知道高頻變壓器在設(shè)計(jì)的時(shí)候要留有一定的氣隙,一般氣隙是根據(jù)所設(shè)計(jì)的變壓器的規(guī)格來(lái)確定??氣隙是在變壓器中的作用是避免磁飽??那么在設(shè)計(jì)的時(shí)候我們應(yīng)該如何來(lái)確定氣隙的寬度呢?</p>
<p> 1. 您可以根據(jù)您所計(jì)算出來(lái)的參??確定變壓器的尺寸和材質(zhì)后,可以在廠商的資料中找??AL與氣隙值的關(guān)系曲線,再?gòu)谋碇星蟪?這樣可以得出一個(gè)很準(zhǔn)確的數(shù)??</p>
<p> 2. 還有就是一個(gè)很實(shí)用的方?? 用一般脈沖控制方??使開關(guān)電源工作起來(lái)再插入一個(gè)常用的氣隙0.5mm),并在變壓器的原旁串入一個(gè)電流探??在慢慢的調(diào)整脈沖寬度,使其在額定的輸入電壓下有額定的負(fù)??.通過(guò)觀察電流特性的形狀(注意,不能使磁芯飽??,直到達(dá)到所要求的輸出電壓和電流.要注意觀察電流波形的斜率,并調(diào)節(jié)空氣氣隙使其達(dá)到要求的斜率,這時(shí)的空氣氣隙將是一個(gè)非常準(zhǔn)確而又接近實(shí)際的辦??</p>
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