青島PFC電源報(bào)價(jià) **** 深圳市保益新能電氣供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電源里主動(dòng)PFC和被動(dòng)PFC有什么區(qū)別：同樣額定功率的電源產(chǎn)品，青島PFC電源報(bào)價(jià)，主動(dòng)式PFC電源大部分有著比被動(dòng)式PFC產(chǎn)品更高的轉(zhuǎn)換效率，因?yàn)榍罢咄谧龉?、用料和架?gòu)上都會(huì)有更高的水平，品質(zhì)也會(huì)更好，青島PFC電源報(bào)價(jià)，青島PFC電"><meta name="keywords" content="青島PFC電源報(bào)價(jià),PFC電源"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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class="home-main container clearfix"><div id="yxurtkm" class="twoCol"><div id="sbi3whj" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_nengyuan/">能源</a>?<a href="http://m.cdcfah.com/cp/second-nengyuan_pdsdsb/">配電輸電設(shè)備</a>?<a href="http://m.cdcfah.com/cp/third-pdsdsb_qtpdsdsb/">其他配電輸電設(shè)備</a>?青島PFC電源報(bào)價(jià) **** 深圳市保益新能電氣供應(yīng)</p><div id="gpmj3as" class="leftbox clearfix"><h1>青島PFC電源報(bào)價(jià) **** 深圳市保益新能電氣供應(yīng)</h1><div id="thjbtvc" class="proBig"><div id="dhjwtac" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="koli238" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3sewtqx" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>青島PFC電源報(bào)價(jià),PFC電源</p><p><span>***更新：</span>2020-12-04 04:13:37</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="shzbtac" 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(jī): </span>0755-21070344</p><p><span>地址: </span>大浪街道浪口社區(qū)華榮路496號(hào)德泰工業(yè)區(qū)1號(hào)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="rqsprtq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8p8ukm8" class="box"><p><p style="text-indent:25px">電源里主動(dòng)PFC和被動(dòng)PFC有什么區(qū)別：同樣額定功率的電源產(chǎn)品，青島PFC電源報(bào)價(jià)，主動(dòng)式PFC電源大部分有著比被動(dòng)式PFC產(chǎn)品更高的轉(zhuǎn)換效率，因?yàn)榍罢咄谧龉?、用料和架?gòu)上都會(huì)有更高的水平，品質(zhì)也會(huì)更好，青島PFC電源報(bào)價(jià)，青島PFC電源報(bào)價(jià)，所以主動(dòng)式PFC電源產(chǎn)品在客觀上更省電費(fèi)。主動(dòng)式PFC電源對(duì)交流輸入電壓的適應(yīng)性也更強(qiáng)，基本上目前的寬幅電源都采用了主動(dòng)式PFC設(shè)計(jì)，這樣在電壓波動(dòng)比較大環(huán)境下，主動(dòng)式PFC電源仍然可以保持穩(wěn)定的輸出。而被動(dòng)式PFC電源對(duì)輸入電壓的穩(wěn)定性有一定的要求，電壓浮動(dòng)的適應(yīng)范圍往往不如主動(dòng)式PFC產(chǎn)品，在輸入電壓起伏較大的環(huán)境下可能無法正常工作。PFC當(dāng)中的開關(guān)穩(wěn)壓電源功能和普通的開關(guān)穩(wěn)壓電源的區(qū)別并不巨大，只是在供電上有所區(qū)別。青島PFC電源報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島PFC電源報(bào)價(jià),PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png"></div><p style="text-indent:25px">電源里主動(dòng)PFC和被動(dòng)PFC有什么區(qū)別：有源和無源的區(qū)別。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(shí)提高電源對(duì)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。此外，PFC還能減少電源對(duì)市電電網(wǎng)的干擾，尤其是避免它在突然啟動(dòng)時(shí)對(duì)其他電器的影響。PFC分為主動(dòng)式（有源）和被動(dòng)式（無源）兩種，它們是衡量電源檔次高低的一個(gè)重要因素。一般來說，功率在250W～300W的電源多采用被動(dòng)式PFC，而主動(dòng)式PFC則常用于400W及以上的中高級(jí)電源。就性能而言，主動(dòng)式PFC擁有更高的功率因數(shù)（高達(dá)99%），配合好的電路設(shè)計(jì)，能適應(yīng)更高的電壓范圍。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(dòng)式PFC通常為一塊體積較大的電感，由多塊硅鋼片外部纏繞銅線而成；而主動(dòng)式PFC則由電感線圈配合IC控制芯片組成。武漢被動(dòng)式PFC電源采購主動(dòng)式PFC配合好的電路設(shè)計(jì)，能適應(yīng)更高的電壓范圍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島PFC電源報(bào)價(jià),PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041410054963/9568029.png"></div><p style="text-indent:25px">主動(dòng)式PFC的特點(diǎn)及總結(jié)：接下來我們就是看看采用主動(dòng)式PFC設(shè)計(jì)電源的功率因數(shù)變化了。這次我們選擇了游戲悍將紅紫銀效R500M電源和游戲引擎UT-450AP電源的功率因數(shù)變化來看一下。這兩款電源都采用了主動(dòng)式PFC設(shè)計(jì)，他們的功率因數(shù)zui高都超過了99%，這說明了他們?cè)诠?jié)能方面還是非常出色的。通過我們對(duì)主動(dòng)式PFC設(shè)計(jì)的分析介紹，可以得出以下幾點(diǎn)：1、主動(dòng)式PFC設(shè)計(jì)復(fù)雜，成本較高。2、主動(dòng)式PFC比被動(dòng)式PFC性能要好，更加節(jié)能。3、主動(dòng)式PFC的功率因數(shù)zui高能超過99%。4、主動(dòng)式PFC能適應(yīng)更高的電壓范圍。</p><p style="text-indent:25px">常見的PFC電路分為兩種，一種是主動(dòng)式PFC電路，另一種是被動(dòng)式PFC電路。主動(dòng)式PFC電路是一種特殊的Boost斬波電路，220V市電經(jīng)過二極管整流后不使用電容來濾波，而是直接送入主動(dòng)式PFC電路中進(jìn)行升壓，借助PFC電路來完成了濾波這個(gè)環(huán)節(jié)直接輸出高壓直流電（一般在350V以上）給開關(guān)電源電路使用。主動(dòng)式PFC的優(yōu)點(diǎn)很多，比如它改善功率因數(shù)的效果很明顯，可以將電腦電源的功率因數(shù)提高到0.98以上；其次主動(dòng)式PFC還能夠改擴(kuò)寬輸入電壓范圍，從而制成寬電壓輸入的電源。主動(dòng)式PFC的缺點(diǎn)是電路較為復(fù)雜，成本較高。被動(dòng)式PFC電路實(shí)際上只有一個(gè)大的鐵芯電感組成，這個(gè)電感串聯(lián)在整流電路與濾波電容之間，電路很簡潔，利用電感電流不能突變的原理來改善輸入交流電流的波形從而提高功率因數(shù)。它的優(yōu)點(diǎn)是成本低，電路簡單，可靠性高，電磁干擾小；缺點(diǎn)是提升功率因數(shù)的效果有限，一般只能達(dá)到0.8左右。被動(dòng)式PFC由多塊硅鋼片外部纏繞銅線而成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島PFC電源報(bào)價(jià),PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038635709246/2295771.png"></div><p style="text-indent:25px">PFC電路原理?PFC就是“功率因數(shù)”的意思，主要用來表征電子產(chǎn)品對(duì)電能的利用效率。功率因數(shù)越高，說明電能的利用效率越高。?PFC有兩種，一種是無源PFC（也稱被動(dòng)式PFC），一種是有源PFC（也稱主動(dòng)式PFC）。無源PFC一般采用電感補(bǔ)償方法使交流輸入的基波電流與電壓之間相位差減小來提高功率因數(shù)，但無源PFC的功率因數(shù)不是很高，只能達(dá)到0.7~0.8；有源PFC由電感電容及電子元器件組成，體積小，可以達(dá)到很高的功率因數(shù)，但成本要高出無源PFC一些。?有源PFC電路中往往采用高集成度的IC，采用有源PFC電路的PC電源，至少具有以下特點(diǎn)：?（1）?輸入電壓可以從90V到270V；（?2）?高于0.99的線路功率因數(shù)，并具有低損耗和高可靠等優(yōu)點(diǎn)；?（3）?IC的PFC還可用作輔助電源，因此在使用有源PFC電路中，往往不需要待機(jī)變壓器；?（4）?輸出不隨輸入電壓波動(dòng)變化，因此可獲得高度穩(wěn)定的輸出電壓；?5）?有源PFC輸出DC電壓紋波很小，且呈100Hz/120Hz（工頻2倍）的正弦波，因此采用有源PFC的電源不需要采用很大容量的濾波電容?！肮β室驍?shù)校正”，通俗的話說，就是提高有用功的比重。青島PFC電源報(bào)價(jià)</p><p style="text-indent:25px">為了提高用電設(shè)備功率因數(shù)的技術(shù)就稱為功率因數(shù)校正。青島PFC電源報(bào)價(jià)</p><p style="text-indent:25px">開關(guān)電源中的pfc是什么意思？PFC的英文全稱為“Power Factor Correction”，意思是“功率因數(shù)校正”，功率因數(shù)指的是有效功率與總耗電量（視在功率）之間的關(guān)系，也就是有效功率除以總耗電量（視在功率）的比值。基本上功率因數(shù)可以衡量電力被有效利用的程度，當(dāng)功率因數(shù)值越大，表示其電力利用率越高。功率因數(shù)是用來衡量用電設(shè)備用電效率的參數(shù)，低功率因數(shù)表示低電力效能。為了提高用電設(shè)備功率因數(shù)的技術(shù)就稱為功率因數(shù)校正。主動(dòng)式PFC則由電感電容及電子元器件組成，體積小、通過**IC去調(diào)整電流的波形，對(duì)電流電壓間的相位差進(jìn)行補(bǔ)償。主動(dòng)式PFC可以達(dá)到較高的功率因數(shù)──通?？蛇_(dá)98%以上，但成本也相對(duì)較高。此外，主動(dòng)式PFC還可用作輔助電源，因此在使用主動(dòng)式PFC電路中，往往不需要待機(jī)變壓器，而且主動(dòng)式PFC輸出直流電壓的紋波很小，這種電源不必采用很大容量的濾波電容。青島PFC電源報(bào)價(jià)</p><p style="text-indent:25px">深圳市保益新能電氣有限公司位于大浪街道浪口社區(qū)華榮路496號(hào)德泰工業(yè)區(qū)1號(hào)廠房4層402。保益新能致力于為客戶提供良好的UPS/EPS電源，雙向逆變器，安防電源，激光儲(chǔ)能電源，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于電工電氣行業(yè)的發(fā)展。保益新能秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2257563.html</p></div></div></div></div></div><div id="i82zw2j" class="page-right 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