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src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041284644784/1270972.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qj7p78g" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041284644784/1270972.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ke2uea8" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>深圳被動式電源pfc批發(fā)哪家好,PFC電源</p><p><span>***更新：</span>2020-12-13 02:12:58</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="a3pce7o" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市保益新能電氣有限公司</a></p><p><span>聯(lián)系人：</span>葉立民</p><p><span>郵箱: </span>1301978383@qq.com</p><p><span>電話: </span>18675588113</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.boynelectric.com</p><p><span>手機: </span>0755-21070344</p><p><span>地址: </span>大浪街道浪口社區(qū)華榮路496號德泰工業(yè)區(qū)1號廠房4層402</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="ryczl3g" class="page-proshow02"><p class="title">詳細說明</p><div id="mbdasu2" class="box"><p><p style="text-indent:25px">PFC的全稱是Power Factor Corrector，意思是功率因數(shù)校正器，它可以在交流轉(zhuǎn)換為直流時提高電源對市電的利用率，但不能減小轉(zhuǎn)換過程的電能損耗，也沒有節(jié)約電能的功能。主動式PFC電源：此外，PFC還能減少電源對市電電網(wǎng)的干擾，尤其是避免它在突然啟動時對其他電器的影響。PFC分為主動式（有源）和被動式（無源）兩種，它們是衡量電源檔次高低的一個重要因素。一般來說，功率在250W～300W的電源多采用被動式PFC，而主動式PFC則常用于400W及以上的中高類型的電源。就性能而言，主動式PFC擁有更高的功率因數(shù)（高達99%），配合好的電路設(shè)計，深圳被動式電源pfc批發(fā)哪家好，能適應(yīng)更高的電壓范圍，深圳被動式電源pfc批發(fā)哪家好。你可以通過電源散熱孔查看該產(chǎn)品采用了何種PFC電路：被動式PFC通常為一塊體積較大的電感，深圳被動式電源pfc批發(fā)哪家好，由多塊硅鋼片外部纏繞銅線而成；而主動式PFC則由電感線圈配合IC控制芯片組成。PFC的意思是功率因數(shù)校正器。深圳被動式電源pfc批發(fā)哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳被動式電源pfc批發(fā)哪家好,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041284644784/1270972.png"></div><p style="text-indent:25px">如何快速維修pfc電路：6、保護電路，在液晶采電開關(guān)電源中，除具有常見的尖峰吸收保護電路外，還設(shè)在+24V、+ 12V和+5V電壓的過壓、過載保護電路，其保護電路多采用四運算放大器LM324、四電壓比較器LM339、雙電壓比較器LM393或雙運算放大器LM358。過流過壓保護電路，在維修時可脫開不用，如果電壓恢復(fù)正常，說明保護電路引起，這時要分步斷開是哪路起作用。然后再進行維修。7、開機前，先確認有無炸件、電容鼓包現(xiàn)象，如有應(yīng)先更換并把相關(guān)的器件全部都測量一遍。建議更換所有損壞器件后試機時，zui好把原機保險絲除掉; 接上一個220V/100W的燈泡，這樣可以有效防止再次炸件。蘇州電源pfc主動式PFC通過升高輸入電壓來減少電流在流向下級電路中的電能損耗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳被動式電源pfc批發(fā)哪家好,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041733853787/2368324.png"></div><p style="text-indent:25px">主動式PFC的優(yōu)點：1、校正效果遠優(yōu)于歐洲的 EN 諧波規(guī)范，即便未來規(guī)格更趨嚴格也都能符合規(guī)定。隨著IC零件需求增加，成本將隨之降低。2、較無原料短缺的風(fēng)險。3、較被動式專業(yè)的解決方案。4、能以較低成本帶來全域電壓的高附加價值。5、功率因素接近完美的99%，使電力利用率較佳化，對環(huán)保有益。6、因應(yīng)未來CPU發(fā)展趨勢，輸出瓦特數(shù)(電力)要求將越高，主動式PFC因成本不隨輸出瓦特數(shù)增加而上升，故擁有較好競爭力。動式PFC優(yōu)于被動式PFC，因此，選擇節(jié)能型的電源必須選擇采用主動式PFC電路設(shè)計的電源。</p><p style="text-indent:25px">FC分為被動式PFC和主動式PFC，那么主動式PFC和被動式PFC都有哪些區(qū)別呢？目前市場上功率在250W～300W的電源多采用被動式PFC，而主動式PFC則常用于400W及以上電源，他們的造型結(jié)構(gòu)也是不太一樣的。接下來我們就來看看他們各自的結(jié)構(gòu)造型吧。一般情況下，被動式PFC的電感體積較大，它由多塊硅鋼片外部纏繞銅線而成。這種設(shè)計結(jié)構(gòu)簡單，成本較低。而主動式PFC則是電感線圈，另外它還要配合有IC控制芯片，這種設(shè)計結(jié)構(gòu)復(fù)雜，成本是比較高的。被動式的主電容一般采用兩個巨大的電解電容，這種電容的生產(chǎn)成本較低，相對于主動式PFC來說，可以節(jié)省不少的生產(chǎn)成本。上面主動式PFC與被動式PFC的對比，在我們看來，好像被動式PFC的優(yōu)勢要明顯一些。不過，被動式PFC卻有著一個致命的缺陷，那就是在高功率電源中，主動式PFC要比被動式PFC省電許多。而且，它能適應(yīng)更高的電壓范圍。主動式PFC通過高頻電感線圈、開關(guān)電子管、高壓濾波電容以及控制IC等元件，組成一個電路。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳被動式電源pfc批發(fā)哪家好,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038685836223/2985647.png"></div><p style="text-indent:25px">PFC是電腦電源中的一個非常重要的參數(shù)，全稱是電腦功率因素校正，簡稱為PFC。計算機電源負責(zé)把dao交流電（AC）轉(zhuǎn)成直流電（DC）為主機提供全部電力，因此其能源轉(zhuǎn)換效率高低是一項非常重要的節(jié)能省電指標(biāo)。電源的能源轉(zhuǎn)換效率跟標(biāo)稱功率大小并無必然關(guān)系，它是電源在處理AC至DC變壓過程中，能量的剩余比例，而此效率基本取決于電源內(nèi)部的功率因素校正電路（PFC，Power Factor Correction）。PFC主要有兩種，一種叫主動式PFC，另一種叫被動式PFC。主動式PFC提升功率因素值至95%以上，被動式PFC約只能改善至75%。換句話說，主動式PFC比被動式PFC能節(jié)約更多的能源。采用主動式PFC的電源供應(yīng)器的重量，較用笨重組件的被動式PFC產(chǎn)品要輕巧許多，而產(chǎn)品走向輕薄小是未來3C市場必然趨勢。主動式PFC就是一個有源的升壓電路。深圳被動式電源pfc批發(fā)哪家好</p><p style="text-indent:25px">主動PFC為了搞定電磁干擾，EMI濾波電路要加強，電路更加復(fù)雜。深圳被動式電源pfc批發(fā)哪家好</p><p style="text-indent:25px">主動式和被動式通俗點講就是交流供電輸入電路的不同，du書zhi名稱之為功率dao校正電路，也就是說功率因素校正。而主動式相對與被動式功率因素校正就要高一些，轉(zhuǎn)換效率高，損失小。主要區(qū)別就是被動式PFC線路，被動式PFC通常是一塊體積比較大的電感，大部分的外觀都是在硅鋼片外部纏繞著銅線，然后用黃色的絕緣紙包裹著，外形和常見的小型變壓器差不多。而主動式就不一樣了，由一組比較復(fù)雜的電子線路組成，從電器元件上看，主動式PFC電路包括高頻電感線圈、開關(guān)電子管、高壓濾波電容以及控制IC等元件，組成一個可以將輸入電壓提高的電路，從而減少電流在流向下級電路過程中的電能損耗。簡單地說，主動式PFC就是一個升壓電路。。從以上簡單區(qū)別就可以看出，主動式PFC線路相對說轉(zhuǎn)換效率高，損失小，而被動式由于供電線路簡單，通俗點說比較耗電，不符合節(jié)能概念。優(yōu)點當(dāng)然著重提現(xiàn)在主動式PFC線路中，要說缺點，當(dāng)然就是價格偏高，同樣功率的主動式和被動式一般都在額定350W以上開始區(qū)分的，額定350W以內(nèi)很少有主動式PFC電源，性價比方面被動式PFC要高得多，理論上不省電。深圳被動式電源pfc批發(fā)哪家好</p><p style="text-indent:25px">深圳市保益新能電氣有限公司致力于電工電氣，是一家生產(chǎn)型公司。公司業(yè)務(wù)分為UPS/EPS電源，雙向逆變器，安防電源，激光儲能電源等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造電工電氣良好品牌。保益新能立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2379265.html</p></div></div></div></div></div><div id="2hoaxjg" class="page-right twoColRt"><div 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